./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_amount500_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-72.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 f1d9b1e41dffeaea131d798bbdfd7596d256be5a23994dc1bad36ef03f5ad100 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:47:58,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:47:58,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:47:58,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:47:58,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:47:58,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:47:58,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:47:58,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:47:58,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:47:58,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:47:58,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:47:58,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:47:58,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:47:58,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:47:58,388 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:47:58,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:47:58,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:47:58,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:47:58,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:47:58,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:47:58,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:47:58,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:47:58,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:47:58,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:47:58,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:47:58,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:47:58,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:47:58,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:47:58,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:47:58,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:47:58,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:47:58,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:47:58,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:47:58,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:47:58,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:47:58,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:47:58,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:47:58,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:47:58,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:47:58,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:47:58,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:47:58,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:47:58,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1d9b1e41dffeaea131d798bbdfd7596d256be5a23994dc1bad36ef03f5ad100 [2024-10-24 10:47:58,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:47:58,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:47:58,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:47:58,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:47:58,633 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:47:58,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-72.i [2024-10-24 10:48:00,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:48:00,262 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:48:00,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-72.i [2024-10-24 10:48:00,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8d72c2b/65ab80b0b79e47e082d37af191754ea9/FLAGcc827312e [2024-10-24 10:48:00,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8d72c2b/65ab80b0b79e47e082d37af191754ea9 [2024-10-24 10:48:00,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:48:00,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:48:00,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:48:00,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:48:00,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:48:00,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:00,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7fb9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00, skipping insertion in model container [2024-10-24 10:48:00,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:00,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:48:00,521 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-72.i[916,929] [2024-10-24 10:48:00,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:48:00,819 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:48:00,828 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-72.i[916,929] [2024-10-24 10:48:00,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:48:00,925 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:48:00,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00 WrapperNode [2024-10-24 10:48:00,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:48:00,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:48:00,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:48:00,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:48:00,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:00,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,014 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 636 [2024-10-24 10:48:01,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:48:01,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:48:01,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:48:01,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:48:01,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,032 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,124 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 10:48:01,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:48:01,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:48:01,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:48:01,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:48:01,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (1/1) ... [2024-10-24 10:48:01,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:48:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:01,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 10:48:01,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 10:48:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:48:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:48:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:48:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:48:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:48:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:48:01,398 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:48:01,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:48:02,314 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-10-24 10:48:02,314 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:48:02,374 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:48:02,376 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:48:02,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:02 BoogieIcfgContainer [2024-10-24 10:48:02,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:48:02,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:48:02,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:48:02,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:48:02,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:48:00" (1/3) ... [2024-10-24 10:48:02,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114ef492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:02, skipping insertion in model container [2024-10-24 10:48:02,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:00" (2/3) ... [2024-10-24 10:48:02,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114ef492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:02, skipping insertion in model container [2024-10-24 10:48:02,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:02" (3/3) ... [2024-10-24 10:48:02,385 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-72.i [2024-10-24 10:48:02,400 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:48:02,400 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:48:02,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:48:02,479 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;@2a9804ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:48:02,479 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:48:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 186 states have (on average 1.586021505376344) internal successors, (295), 187 states have internal predecessors, (295), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-24 10:48:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-24 10:48:02,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:02,513 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:02,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:02,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:02,519 INFO L85 PathProgramCache]: Analyzing trace with hash -750509550, now seen corresponding path program 1 times [2024-10-24 10:48:02,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:02,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154233702] [2024-10-24 10:48:02,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:02,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:03,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:03,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154233702] [2024-10-24 10:48:03,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154233702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:03,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:03,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:48:03,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229970867] [2024-10-24 10:48:03,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:03,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:48:03,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:03,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:48:03,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:48:03,464 INFO L87 Difference]: Start difference. First operand has 252 states, 186 states have (on average 1.586021505376344) internal successors, (295), 187 states have internal predecessors, (295), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-24 10:48:03,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:03,539 INFO L93 Difference]: Finished difference Result 501 states and 903 transitions. [2024-10-24 10:48:03,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:48:03,542 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) Word has length 438 [2024-10-24 10:48:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:03,552 INFO L225 Difference]: With dead ends: 501 [2024-10-24 10:48:03,552 INFO L226 Difference]: Without dead ends: 250 [2024-10-24 10:48:03,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:48:03,561 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:03,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 413 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:03,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-10-24 10:48:03,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2024-10-24 10:48:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 185 states have (on average 1.5675675675675675) internal successors, (290), 185 states have internal predecessors, (290), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-24 10:48:03,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 416 transitions. [2024-10-24 10:48:03,629 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 416 transitions. Word has length 438 [2024-10-24 10:48:03,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:03,630 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 416 transitions. [2024-10-24 10:48:03,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-24 10:48:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 416 transitions. [2024-10-24 10:48:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-24 10:48:03,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:03,641 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:03,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:48:03,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:03,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:03,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1291415876, now seen corresponding path program 1 times [2024-10-24 10:48:03,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:03,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584066963] [2024-10-24 10:48:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:04,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:04,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584066963] [2024-10-24 10:48:04,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584066963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:04,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:04,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:04,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384354685] [2024-10-24 10:48:04,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:04,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:04,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:04,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:04,191 INFO L87 Difference]: Start difference. First operand 250 states and 416 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:04,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:04,281 INFO L93 Difference]: Finished difference Result 745 states and 1240 transitions. [2024-10-24 10:48:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:04,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 438 [2024-10-24 10:48:04,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:04,288 INFO L225 Difference]: With dead ends: 745 [2024-10-24 10:48:04,290 INFO L226 Difference]: Without dead ends: 496 [2024-10-24 10:48:04,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:04,294 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 396 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:04,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 840 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-10-24 10:48:04,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 271. [2024-10-24 10:48:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 206 states have (on average 1.5728155339805825) internal successors, (324), 206 states have internal predecessors, (324), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-24 10:48:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 450 transitions. [2024-10-24 10:48:04,331 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 450 transitions. Word has length 438 [2024-10-24 10:48:04,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:04,335 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 450 transitions. [2024-10-24 10:48:04,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 450 transitions. [2024-10-24 10:48:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-24 10:48:04,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:04,341 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:04,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:48:04,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:04,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:04,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1415567808, now seen corresponding path program 1 times [2024-10-24 10:48:04,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:04,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468000301] [2024-10-24 10:48:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:05,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:05,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468000301] [2024-10-24 10:48:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468000301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:05,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:05,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770048633] [2024-10-24 10:48:05,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:05,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:05,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:05,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:05,250 INFO L87 Difference]: Start difference. First operand 271 states and 450 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:05,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:05,585 INFO L93 Difference]: Finished difference Result 812 states and 1349 transitions. [2024-10-24 10:48:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:05,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 438 [2024-10-24 10:48:05,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:05,592 INFO L225 Difference]: With dead ends: 812 [2024-10-24 10:48:05,593 INFO L226 Difference]: Without dead ends: 542 [2024-10-24 10:48:05,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:05,597 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 450 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:05,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1229 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-24 10:48:05,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 377. [2024-10-24 10:48:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 248 states have (on average 1.4838709677419355) internal successors, (368), 248 states have internal predecessors, (368), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-24 10:48:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 620 transitions. [2024-10-24 10:48:05,644 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 620 transitions. Word has length 438 [2024-10-24 10:48:05,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:05,646 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 620 transitions. [2024-10-24 10:48:05,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 620 transitions. [2024-10-24 10:48:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:05,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:05,652 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:05,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:48:05,653 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:05,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:05,654 INFO L85 PathProgramCache]: Analyzing trace with hash -635989381, now seen corresponding path program 1 times [2024-10-24 10:48:05,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:05,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431132066] [2024-10-24 10:48:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:05,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:06,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:06,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431132066] [2024-10-24 10:48:06,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431132066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:06,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:06,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:06,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113351641] [2024-10-24 10:48:06,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:06,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:06,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:06,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:06,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:06,553 INFO L87 Difference]: Start difference. First operand 377 states and 620 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:06,802 INFO L93 Difference]: Finished difference Result 812 states and 1348 transitions. [2024-10-24 10:48:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:06,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:06,807 INFO L225 Difference]: With dead ends: 812 [2024-10-24 10:48:06,807 INFO L226 Difference]: Without dead ends: 542 [2024-10-24 10:48:06,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:06,809 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 302 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:06,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1221 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:06,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-24 10:48:06,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 391. [2024-10-24 10:48:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 262 states have (on average 1.4885496183206106) internal successors, (390), 262 states have internal predecessors, (390), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-24 10:48:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 642 transitions. [2024-10-24 10:48:06,833 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 642 transitions. Word has length 439 [2024-10-24 10:48:06,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:06,834 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 642 transitions. [2024-10-24 10:48:06,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 642 transitions. [2024-10-24 10:48:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:06,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:06,839 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:06,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:48:06,839 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:06,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:06,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1747935357, now seen corresponding path program 1 times [2024-10-24 10:48:06,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:06,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068542234] [2024-10-24 10:48:06,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:06,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:07,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:07,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068542234] [2024-10-24 10:48:07,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068542234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:07,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:07,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:07,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840130451] [2024-10-24 10:48:07,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:07,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:07,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:07,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:07,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:07,787 INFO L87 Difference]: Start difference. First operand 391 states and 642 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:08,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:08,147 INFO L93 Difference]: Finished difference Result 957 states and 1565 transitions. [2024-10-24 10:48:08,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:08,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:08,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:08,151 INFO L225 Difference]: With dead ends: 957 [2024-10-24 10:48:08,151 INFO L226 Difference]: Without dead ends: 687 [2024-10-24 10:48:08,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:08,153 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 394 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:08,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1130 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:08,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-10-24 10:48:08,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 584. [2024-10-24 10:48:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 423 states have (on average 1.529550827423168) internal successors, (647), 424 states have internal predecessors, (647), 156 states have call successors, (156), 4 states have call predecessors, (156), 4 states have return successors, (156), 155 states have call predecessors, (156), 156 states have call successors, (156) [2024-10-24 10:48:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 959 transitions. [2024-10-24 10:48:08,190 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 959 transitions. Word has length 439 [2024-10-24 10:48:08,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:08,191 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 959 transitions. [2024-10-24 10:48:08,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 959 transitions. [2024-10-24 10:48:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:08,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:08,196 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:08,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:48:08,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:08,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:08,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1888483967, now seen corresponding path program 1 times [2024-10-24 10:48:08,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:08,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630293646] [2024-10-24 10:48:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:08,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:09,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:09,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630293646] [2024-10-24 10:48:09,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630293646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:09,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:09,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:09,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553480954] [2024-10-24 10:48:09,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:09,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:09,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:09,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:09,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:09,428 INFO L87 Difference]: Start difference. First operand 584 states and 959 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:09,503 INFO L93 Difference]: Finished difference Result 1043 states and 1722 transitions. [2024-10-24 10:48:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:09,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:09,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:09,509 INFO L225 Difference]: With dead ends: 1043 [2024-10-24 10:48:09,509 INFO L226 Difference]: Without dead ends: 584 [2024-10-24 10:48:09,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:09,511 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 0 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:09,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 799 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-10-24 10:48:09,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2024-10-24 10:48:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 423 states have (on average 1.524822695035461) internal successors, (645), 424 states have internal predecessors, (645), 156 states have call successors, (156), 4 states have call predecessors, (156), 4 states have return successors, (156), 155 states have call predecessors, (156), 156 states have call successors, (156) [2024-10-24 10:48:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 957 transitions. [2024-10-24 10:48:09,547 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 957 transitions. Word has length 439 [2024-10-24 10:48:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:09,548 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 957 transitions. [2024-10-24 10:48:09,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 957 transitions. [2024-10-24 10:48:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:09,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:09,552 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:09,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 10:48:09,552 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:09,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:09,553 INFO L85 PathProgramCache]: Analyzing trace with hash -478210627, now seen corresponding path program 1 times [2024-10-24 10:48:09,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:09,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821718705] [2024-10-24 10:48:09,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:09,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:10,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:10,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821718705] [2024-10-24 10:48:10,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821718705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:10,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:10,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:10,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677426622] [2024-10-24 10:48:10,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:10,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:10,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:10,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:10,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:10,844 INFO L87 Difference]: Start difference. First operand 584 states and 957 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-24 10:48:11,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:11,527 INFO L93 Difference]: Finished difference Result 1961 states and 3240 transitions. [2024-10-24 10:48:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:11,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 439 [2024-10-24 10:48:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:11,535 INFO L225 Difference]: With dead ends: 1961 [2024-10-24 10:48:11,536 INFO L226 Difference]: Without dead ends: 1502 [2024-10-24 10:48:11,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:11,539 INFO L432 NwaCegarLoop]: 408 mSDtfsCounter, 928 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:11,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1847 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 10:48:11,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-10-24 10:48:11,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1117. [2024-10-24 10:48:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 861 states have (on average 1.5714285714285714) internal successors, (1353), 863 states have internal predecessors, (1353), 249 states have call successors, (249), 6 states have call predecessors, (249), 6 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-10-24 10:48:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1851 transitions. [2024-10-24 10:48:11,711 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1851 transitions. Word has length 439 [2024-10-24 10:48:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:11,711 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1851 transitions. [2024-10-24 10:48:11,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-24 10:48:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1851 transitions. [2024-10-24 10:48:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:11,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:11,719 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:11,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 10:48:11,719 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:11,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash -203451013, now seen corresponding path program 1 times [2024-10-24 10:48:11,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:11,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518530951] [2024-10-24 10:48:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:11,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:12,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:12,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518530951] [2024-10-24 10:48:12,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518530951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:12,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:12,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634410784] [2024-10-24 10:48:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:12,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:12,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:12,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:12,863 INFO L87 Difference]: Start difference. First operand 1117 states and 1851 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:13,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:13,089 INFO L93 Difference]: Finished difference Result 2258 states and 3754 transitions. [2024-10-24 10:48:13,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:13,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:13,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:13,095 INFO L225 Difference]: With dead ends: 2258 [2024-10-24 10:48:13,096 INFO L226 Difference]: Without dead ends: 1266 [2024-10-24 10:48:13,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:13,101 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 331 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:13,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1202 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:13,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-10-24 10:48:13,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1117. [2024-10-24 10:48:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 861 states have (on average 1.5679442508710801) internal successors, (1350), 863 states have internal predecessors, (1350), 249 states have call successors, (249), 6 states have call predecessors, (249), 6 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-10-24 10:48:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1848 transitions. [2024-10-24 10:48:13,197 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1848 transitions. Word has length 439 [2024-10-24 10:48:13,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:13,198 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1848 transitions. [2024-10-24 10:48:13,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1848 transitions. [2024-10-24 10:48:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:13,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:13,206 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:13,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 10:48:13,206 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:13,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:13,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2030283211, now seen corresponding path program 1 times [2024-10-24 10:48:13,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:13,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786136532] [2024-10-24 10:48:13,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:13,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:14,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:14,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786136532] [2024-10-24 10:48:14,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786136532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:14,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:14,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:14,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529122664] [2024-10-24 10:48:14,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:14,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:14,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:14,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:14,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:14,276 INFO L87 Difference]: Start difference. First operand 1117 states and 1848 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:14,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:14,508 INFO L93 Difference]: Finished difference Result 2119 states and 3507 transitions. [2024-10-24 10:48:14,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:14,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:14,514 INFO L225 Difference]: With dead ends: 2119 [2024-10-24 10:48:14,514 INFO L226 Difference]: Without dead ends: 1127 [2024-10-24 10:48:14,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:14,518 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 690 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:14,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 879 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:14,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-10-24 10:48:14,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 887. [2024-10-24 10:48:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 691 states have (on average 1.5817655571635312) internal successors, (1093), 691 states have internal predecessors, (1093), 189 states have call successors, (189), 6 states have call predecessors, (189), 6 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-24 10:48:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1471 transitions. [2024-10-24 10:48:14,609 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1471 transitions. Word has length 439 [2024-10-24 10:48:14,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:14,609 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1471 transitions. [2024-10-24 10:48:14,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1471 transitions. [2024-10-24 10:48:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:14,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:14,613 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:14,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 10:48:14,613 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:14,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:14,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1612886605, now seen corresponding path program 1 times [2024-10-24 10:48:14,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:14,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871759666] [2024-10-24 10:48:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:14,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:15,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:15,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871759666] [2024-10-24 10:48:15,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871759666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:15,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:15,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:15,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189834999] [2024-10-24 10:48:15,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:15,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:15,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:15,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:15,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:15,530 INFO L87 Difference]: Start difference. First operand 887 states and 1471 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:15,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:15,678 INFO L93 Difference]: Finished difference Result 1931 states and 3201 transitions. [2024-10-24 10:48:15,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:15,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:15,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:15,683 INFO L225 Difference]: With dead ends: 1931 [2024-10-24 10:48:15,683 INFO L226 Difference]: Without dead ends: 1169 [2024-10-24 10:48:15,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:15,685 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 153 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:15,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1393 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:15,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-10-24 10:48:15,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1165. [2024-10-24 10:48:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 955 states have (on average 1.5884816753926703) internal successors, (1517), 957 states have internal predecessors, (1517), 201 states have call successors, (201), 8 states have call predecessors, (201), 8 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) [2024-10-24 10:48:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1919 transitions. [2024-10-24 10:48:15,755 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1919 transitions. Word has length 439 [2024-10-24 10:48:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:15,755 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1919 transitions. [2024-10-24 10:48:15,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1919 transitions. [2024-10-24 10:48:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:15,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:15,758 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:15,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 10:48:15,758 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:15,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:15,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1350907207, now seen corresponding path program 1 times [2024-10-24 10:48:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:15,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017448302] [2024-10-24 10:48:15,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:15,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:16,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:16,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017448302] [2024-10-24 10:48:16,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017448302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:16,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:16,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:16,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410389471] [2024-10-24 10:48:16,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:16,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:16,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:16,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:16,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:16,467 INFO L87 Difference]: Start difference. First operand 1165 states and 1919 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:16,814 INFO L93 Difference]: Finished difference Result 4041 states and 6621 transitions. [2024-10-24 10:48:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:16,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:16,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:16,828 INFO L225 Difference]: With dead ends: 4041 [2024-10-24 10:48:16,828 INFO L226 Difference]: Without dead ends: 3001 [2024-10-24 10:48:16,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:16,831 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 999 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 2199 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:16,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 2199 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2024-10-24 10:48:16,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 1235. [2024-10-24 10:48:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1025 states have (on average 1.5951219512195123) internal successors, (1635), 1027 states have internal predecessors, (1635), 201 states have call successors, (201), 8 states have call predecessors, (201), 8 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) [2024-10-24 10:48:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 2037 transitions. [2024-10-24 10:48:16,957 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 2037 transitions. Word has length 439 [2024-10-24 10:48:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:16,957 INFO L471 AbstractCegarLoop]: Abstraction has 1235 states and 2037 transitions. [2024-10-24 10:48:16,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 2037 transitions. [2024-10-24 10:48:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:16,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:16,960 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:16,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:48:16,960 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:16,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:16,961 INFO L85 PathProgramCache]: Analyzing trace with hash 389256757, now seen corresponding path program 1 times [2024-10-24 10:48:16,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:16,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395686557] [2024-10-24 10:48:16,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:17,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:17,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395686557] [2024-10-24 10:48:17,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395686557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:17,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:17,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:17,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209058804] [2024-10-24 10:48:17,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:17,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:17,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:17,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:17,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:17,970 INFO L87 Difference]: Start difference. First operand 1235 states and 2037 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:18,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:18,292 INFO L93 Difference]: Finished difference Result 3314 states and 5458 transitions. [2024-10-24 10:48:18,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:18,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 439 [2024-10-24 10:48:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:18,301 INFO L225 Difference]: With dead ends: 3314 [2024-10-24 10:48:18,302 INFO L226 Difference]: Without dead ends: 2204 [2024-10-24 10:48:18,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:18,305 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 448 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:18,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1263 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:18,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2024-10-24 10:48:18,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 1708. [2024-10-24 10:48:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1498 states have (on average 1.624165554072096) internal successors, (2433), 1500 states have internal predecessors, (2433), 201 states have call successors, (201), 8 states have call predecessors, (201), 8 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) [2024-10-24 10:48:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2835 transitions. [2024-10-24 10:48:18,406 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2835 transitions. Word has length 439 [2024-10-24 10:48:18,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:18,406 INFO L471 AbstractCegarLoop]: Abstraction has 1708 states and 2835 transitions. [2024-10-24 10:48:18,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2835 transitions. [2024-10-24 10:48:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-10-24 10:48:18,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:18,410 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:18,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 10:48:18,410 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:18,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:18,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1893879003, now seen corresponding path program 1 times [2024-10-24 10:48:18,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:18,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935905392] [2024-10-24 10:48:18,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:18,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 3 proven. 183 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:21,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:21,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935905392] [2024-10-24 10:48:21,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935905392] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:21,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935772897] [2024-10-24 10:48:21,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:21,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:21,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:21,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:21,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 10:48:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 10:48:22,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 4289 proven. 216 refuted. 0 times theorem prover too weak. 3307 trivial. 0 not checked. [2024-10-24 10:48:23,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 150 proven. 219 refuted. 0 times theorem prover too weak. 7443 trivial. 0 not checked. [2024-10-24 10:48:23,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935772897] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:23,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:23,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 10] total 20 [2024-10-24 10:48:23,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526880280] [2024-10-24 10:48:23,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:23,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 10:48:23,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:23,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 10:48:23,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-10-24 10:48:23,805 INFO L87 Difference]: Start difference. First operand 1708 states and 2835 transitions. Second operand has 20 states, 20 states have (on average 17.5) internal successors, (350), 20 states have internal predecessors, (350), 6 states have call successors, (163), 3 states have call predecessors, (163), 7 states have return successors, (165), 6 states have call predecessors, (165), 6 states have call successors, (165) [2024-10-24 10:48:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:25,870 INFO L93 Difference]: Finished difference Result 5362 states and 8742 transitions. [2024-10-24 10:48:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-24 10:48:25,870 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 17.5) internal successors, (350), 20 states have internal predecessors, (350), 6 states have call successors, (163), 3 states have call predecessors, (163), 7 states have return successors, (165), 6 states have call predecessors, (165), 6 states have call successors, (165) Word has length 440 [2024-10-24 10:48:25,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:25,884 INFO L225 Difference]: With dead ends: 5362 [2024-10-24 10:48:25,885 INFO L226 Difference]: Without dead ends: 3779 [2024-10-24 10:48:25,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1049 GetRequests, 998 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=675, Invalid=2081, Unknown=0, NotChecked=0, Total=2756 [2024-10-24 10:48:25,890 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 1387 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:25,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1711 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 10:48:25,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3779 states. [2024-10-24 10:48:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3779 to 3159. [2024-10-24 10:48:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3159 states, 2870 states have (on average 1.589547038327526) internal successors, (4562), 2876 states have internal predecessors, (4562), 257 states have call successors, (257), 31 states have call predecessors, (257), 31 states have return successors, (257), 251 states have call predecessors, (257), 257 states have call successors, (257) [2024-10-24 10:48:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 5076 transitions. [2024-10-24 10:48:26,036 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 5076 transitions. Word has length 440 [2024-10-24 10:48:26,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:26,037 INFO L471 AbstractCegarLoop]: Abstraction has 3159 states and 5076 transitions. [2024-10-24 10:48:26,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 17.5) internal successors, (350), 20 states have internal predecessors, (350), 6 states have call successors, (163), 3 states have call predecessors, (163), 7 states have return successors, (165), 6 states have call predecessors, (165), 6 states have call successors, (165) [2024-10-24 10:48:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 5076 transitions. [2024-10-24 10:48:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-24 10:48:26,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:26,041 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:26,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 10:48:26,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 10:48:26,248 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:26,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1429691912, now seen corresponding path program 1 times [2024-10-24 10:48:26,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527929270] [2024-10-24 10:48:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:26,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:26,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527929270] [2024-10-24 10:48:26,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527929270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:26,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:26,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:26,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138395276] [2024-10-24 10:48:26,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:26,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:26,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:26,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:26,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:26,550 INFO L87 Difference]: Start difference. First operand 3159 states and 5076 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:26,713 INFO L93 Difference]: Finished difference Result 7779 states and 12524 transitions. [2024-10-24 10:48:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:26,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 441 [2024-10-24 10:48:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:26,738 INFO L225 Difference]: With dead ends: 7779 [2024-10-24 10:48:26,739 INFO L226 Difference]: Without dead ends: 4765 [2024-10-24 10:48:26,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:26,745 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 332 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:26,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1009 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:26,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2024-10-24 10:48:26,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 4641. [2024-10-24 10:48:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4641 states, 4264 states have (on average 1.5928705440900564) internal successors, (6792), 4274 states have internal predecessors, (6792), 329 states have call successors, (329), 47 states have call predecessors, (329), 47 states have return successors, (329), 319 states have call predecessors, (329), 329 states have call successors, (329) [2024-10-24 10:48:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4641 states to 4641 states and 7450 transitions. [2024-10-24 10:48:27,019 INFO L78 Accepts]: Start accepts. Automaton has 4641 states and 7450 transitions. Word has length 441 [2024-10-24 10:48:27,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:27,020 INFO L471 AbstractCegarLoop]: Abstraction has 4641 states and 7450 transitions. [2024-10-24 10:48:27,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4641 states and 7450 transitions. [2024-10-24 10:48:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-24 10:48:27,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:27,028 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:27,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 10:48:27,028 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:27,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash -868992134, now seen corresponding path program 1 times [2024-10-24 10:48:27,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:27,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900068005] [2024-10-24 10:48:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:27,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 9 proven. 177 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:29,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900068005] [2024-10-24 10:48:29,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900068005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752639821] [2024-10-24 10:48:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:29,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:29,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:29,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 10:48:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 10:48:29,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 3962 proven. 96 refuted. 0 times theorem prover too weak. 3754 trivial. 0 not checked. [2024-10-24 10:48:30,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 90 proven. 96 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752639821] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:30,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:30,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-24 10:48:30,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383327074] [2024-10-24 10:48:30,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:30,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 10:48:30,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:30,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 10:48:30,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:48:30,515 INFO L87 Difference]: Start difference. First operand 4641 states and 7450 transitions. Second operand has 8 states, 8 states have (on average 24.375) internal successors, (195), 8 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2024-10-24 10:48:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:31,080 INFO L93 Difference]: Finished difference Result 8039 states and 12691 transitions. [2024-10-24 10:48:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 10:48:31,081 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 8 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) Word has length 441 [2024-10-24 10:48:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:31,095 INFO L225 Difference]: With dead ends: 8039 [2024-10-24 10:48:31,095 INFO L226 Difference]: Without dead ends: 3543 [2024-10-24 10:48:31,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1020 GetRequests, 1004 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2024-10-24 10:48:31,102 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 452 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:31,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 806 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:31,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2024-10-24 10:48:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3459. [2024-10-24 10:48:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 3066 states have (on average 1.532289628180039) internal successors, (4698), 3076 states have internal predecessors, (4698), 329 states have call successors, (329), 63 states have call predecessors, (329), 63 states have return successors, (329), 319 states have call predecessors, (329), 329 states have call successors, (329) [2024-10-24 10:48:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 5356 transitions. [2024-10-24 10:48:31,278 INFO L78 Accepts]: Start accepts. Automaton has 3459 states and 5356 transitions. Word has length 441 [2024-10-24 10:48:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:31,279 INFO L471 AbstractCegarLoop]: Abstraction has 3459 states and 5356 transitions. [2024-10-24 10:48:31,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 8 states have internal predecessors, (195), 3 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2024-10-24 10:48:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 5356 transitions. [2024-10-24 10:48:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-10-24 10:48:31,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:31,283 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:31,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 10:48:31,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 10:48:31,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:31,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash -633132738, now seen corresponding path program 1 times [2024-10-24 10:48:31,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:31,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504387360] [2024-10-24 10:48:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:31,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:32,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:32,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504387360] [2024-10-24 10:48:32,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504387360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:32,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:32,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:32,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719222833] [2024-10-24 10:48:32,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:32,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:32,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:32,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:32,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:32,239 INFO L87 Difference]: Start difference. First operand 3459 states and 5356 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:32,620 INFO L93 Difference]: Finished difference Result 7163 states and 11000 transitions. [2024-10-24 10:48:32,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:32,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 442 [2024-10-24 10:48:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:32,633 INFO L225 Difference]: With dead ends: 7163 [2024-10-24 10:48:32,634 INFO L226 Difference]: Without dead ends: 3857 [2024-10-24 10:48:32,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:32,640 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 228 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:32,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 824 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:32,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2024-10-24 10:48:32,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 2931. [2024-10-24 10:48:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2538 states have (on average 1.5122143420015761) internal successors, (3838), 2548 states have internal predecessors, (3838), 329 states have call successors, (329), 63 states have call predecessors, (329), 63 states have return successors, (329), 319 states have call predecessors, (329), 329 states have call successors, (329) [2024-10-24 10:48:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 4496 transitions. [2024-10-24 10:48:32,814 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 4496 transitions. Word has length 442 [2024-10-24 10:48:32,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:32,815 INFO L471 AbstractCegarLoop]: Abstraction has 2931 states and 4496 transitions. [2024-10-24 10:48:32,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 4496 transitions. [2024-10-24 10:48:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-10-24 10:48:32,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:32,819 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:32,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 10:48:32,819 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:32,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:32,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1672937168, now seen corresponding path program 1 times [2024-10-24 10:48:32,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:32,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751575756] [2024-10-24 10:48:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:32,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:33,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:33,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751575756] [2024-10-24 10:48:33,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751575756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:33,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:33,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:33,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334376725] [2024-10-24 10:48:33,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:33,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:33,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:33,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:33,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:33,531 INFO L87 Difference]: Start difference. First operand 2931 states and 4496 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:33,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:33,780 INFO L93 Difference]: Finished difference Result 7259 states and 11186 transitions. [2024-10-24 10:48:33,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:33,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 443 [2024-10-24 10:48:33,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:33,794 INFO L225 Difference]: With dead ends: 7259 [2024-10-24 10:48:33,794 INFO L226 Difference]: Without dead ends: 4481 [2024-10-24 10:48:33,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:33,799 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 347 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:33,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 986 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2024-10-24 10:48:33,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 2751. [2024-10-24 10:48:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 2406 states have (on average 1.5336658354114714) internal successors, (3690), 2410 states have internal predecessors, (3690), 293 states have call successors, (293), 51 states have call predecessors, (293), 51 states have return successors, (293), 289 states have call predecessors, (293), 293 states have call successors, (293) [2024-10-24 10:48:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4276 transitions. [2024-10-24 10:48:33,949 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4276 transitions. Word has length 443 [2024-10-24 10:48:33,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:33,950 INFO L471 AbstractCegarLoop]: Abstraction has 2751 states and 4276 transitions. [2024-10-24 10:48:33,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4276 transitions. [2024-10-24 10:48:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-10-24 10:48:33,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:33,953 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:33,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 10:48:33,953 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:33,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:33,954 INFO L85 PathProgramCache]: Analyzing trace with hash -442843478, now seen corresponding path program 1 times [2024-10-24 10:48:33,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:33,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635954546] [2024-10-24 10:48:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:33,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 21 proven. 165 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:35,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:35,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635954546] [2024-10-24 10:48:35,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635954546] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:35,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940370072] [2024-10-24 10:48:35,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:35,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:35,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:35,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:35,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 10:48:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:36,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 10:48:36,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 5532 proven. 102 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-10-24 10:48:37,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 84 proven. 102 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:37,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940370072] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:37,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:37,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-24 10:48:37,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677274728] [2024-10-24 10:48:37,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:37,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 10:48:37,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:37,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 10:48:37,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-10-24 10:48:37,764 INFO L87 Difference]: Start difference. First operand 2751 states and 4276 transitions. Second operand has 19 states, 19 states have (on average 18.68421052631579) internal successors, (355), 19 states have internal predecessors, (355), 8 states have call successors, (159), 4 states have call predecessors, (159), 7 states have return successors, (160), 8 states have call predecessors, (160), 8 states have call successors, (160) [2024-10-24 10:48:39,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:39,346 INFO L93 Difference]: Finished difference Result 6165 states and 9504 transitions. [2024-10-24 10:48:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-24 10:48:39,347 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 18.68421052631579) internal successors, (355), 19 states have internal predecessors, (355), 8 states have call successors, (159), 4 states have call predecessors, (159), 7 states have return successors, (160), 8 states have call predecessors, (160), 8 states have call successors, (160) Word has length 443 [2024-10-24 10:48:39,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:39,360 INFO L225 Difference]: With dead ends: 6165 [2024-10-24 10:48:39,360 INFO L226 Difference]: Without dead ends: 2557 [2024-10-24 10:48:39,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 1001 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=462, Invalid=1260, Unknown=0, NotChecked=0, Total=1722 [2024-10-24 10:48:39,367 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1387 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:39,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 1464 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 10:48:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2024-10-24 10:48:39,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 1297. [2024-10-24 10:48:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1072 states have (on average 1.4645522388059702) internal successors, (1570), 1072 states have internal predecessors, (1570), 189 states have call successors, (189), 35 states have call predecessors, (189), 35 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-24 10:48:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1948 transitions. [2024-10-24 10:48:39,475 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1948 transitions. Word has length 443 [2024-10-24 10:48:39,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:39,475 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1948 transitions. [2024-10-24 10:48:39,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.68421052631579) internal successors, (355), 19 states have internal predecessors, (355), 8 states have call successors, (159), 4 states have call predecessors, (159), 7 states have return successors, (160), 8 states have call predecessors, (160), 8 states have call successors, (160) [2024-10-24 10:48:39,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1948 transitions. [2024-10-24 10:48:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-10-24 10:48:39,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:39,478 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:39,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 10:48:39,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 10:48:39,679 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:39,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash 579725870, now seen corresponding path program 1 times [2024-10-24 10:48:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:39,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454366005] [2024-10-24 10:48:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 84 proven. 102 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:41,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:41,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454366005] [2024-10-24 10:48:41,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454366005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:41,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560231699] [2024-10-24 10:48:41,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:41,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:41,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:41,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:41,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 10:48:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:41,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 10:48:41,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 5628 proven. 102 refuted. 0 times theorem prover too weak. 2082 trivial. 0 not checked. [2024-10-24 10:48:42,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 84 proven. 102 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-24 10:48:43,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560231699] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:43,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 23 [2024-10-24 10:48:43,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071302576] [2024-10-24 10:48:43,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:43,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-24 10:48:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:43,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-24 10:48:43,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-10-24 10:48:43,163 INFO L87 Difference]: Start difference. First operand 1297 states and 1948 transitions. Second operand has 23 states, 23 states have (on average 14.826086956521738) internal successors, (341), 23 states have internal predecessors, (341), 9 states have call successors, (145), 4 states have call predecessors, (145), 7 states have return successors, (145), 9 states have call predecessors, (145), 9 states have call successors, (145) [2024-10-24 10:48:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:44,665 INFO L93 Difference]: Finished difference Result 2975 states and 4425 transitions. [2024-10-24 10:48:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 10:48:44,666 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 14.826086956521738) internal successors, (341), 23 states have internal predecessors, (341), 9 states have call successors, (145), 4 states have call predecessors, (145), 7 states have return successors, (145), 9 states have call predecessors, (145), 9 states have call successors, (145) Word has length 443 [2024-10-24 10:48:44,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:44,672 INFO L225 Difference]: With dead ends: 2975 [2024-10-24 10:48:44,673 INFO L226 Difference]: Without dead ends: 1839 [2024-10-24 10:48:44,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1031 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=292, Invalid=830, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 10:48:44,676 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1682 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:44,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 1912 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 10:48:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2024-10-24 10:48:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1061. [2024-10-24 10:48:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 833 states have (on average 1.424969987995198) internal successors, (1187), 833 states have internal predecessors, (1187), 189 states have call successors, (189), 38 states have call predecessors, (189), 38 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-24 10:48:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1565 transitions. [2024-10-24 10:48:44,794 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1565 transitions. Word has length 443 [2024-10-24 10:48:44,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:44,794 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1565 transitions. [2024-10-24 10:48:44,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.826086956521738) internal successors, (341), 23 states have internal predecessors, (341), 9 states have call successors, (145), 4 states have call predecessors, (145), 7 states have return successors, (145), 9 states have call predecessors, (145), 9 states have call successors, (145) [2024-10-24 10:48:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1565 transitions. [2024-10-24 10:48:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-10-24 10:48:44,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:44,797 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:44,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 10:48:44,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:44,998 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:44,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1669697505, now seen corresponding path program 1 times [2024-10-24 10:48:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:44,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013895289] [2024-10-24 10:48:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:45,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:46,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:46,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013895289] [2024-10-24 10:48:46,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013895289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:46,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:46,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:48:46,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038590661] [2024-10-24 10:48:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:46,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:48:46,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:46,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:48:46,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:46,048 INFO L87 Difference]: Start difference. First operand 1061 states and 1565 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:46,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:46,309 INFO L93 Difference]: Finished difference Result 2685 states and 4039 transitions. [2024-10-24 10:48:46,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 10:48:46,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 444 [2024-10-24 10:48:46,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:46,316 INFO L225 Difference]: With dead ends: 2685 [2024-10-24 10:48:46,316 INFO L226 Difference]: Without dead ends: 1671 [2024-10-24 10:48:46,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:46,320 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 617 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:46,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 1361 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:46,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-10-24 10:48:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1171. [2024-10-24 10:48:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 943 states have (on average 1.4390243902439024) internal successors, (1357), 943 states have internal predecessors, (1357), 189 states have call successors, (189), 38 states have call predecessors, (189), 38 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-24 10:48:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1735 transitions. [2024-10-24 10:48:46,420 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1735 transitions. Word has length 444 [2024-10-24 10:48:46,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:46,421 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1735 transitions. [2024-10-24 10:48:46,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1735 transitions. [2024-10-24 10:48:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-10-24 10:48:46,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:46,423 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:46,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 10:48:46,424 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:46,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1364258335, now seen corresponding path program 1 times [2024-10-24 10:48:46,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:46,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349677775] [2024-10-24 10:48:46,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-24 10:48:47,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:47,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349677775] [2024-10-24 10:48:47,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349677775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:47,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:47,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288932248] [2024-10-24 10:48:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:47,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:47,288 INFO L87 Difference]: Start difference. First operand 1171 states and 1735 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:47,451 INFO L93 Difference]: Finished difference Result 2450 states and 3663 transitions. [2024-10-24 10:48:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 444 [2024-10-24 10:48:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:47,456 INFO L225 Difference]: With dead ends: 2450 [2024-10-24 10:48:47,456 INFO L226 Difference]: Without dead ends: 1455 [2024-10-24 10:48:47,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:47,459 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 424 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:47,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 990 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:47,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2024-10-24 10:48:47,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1171. [2024-10-24 10:48:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 943 states have (on average 1.432661717921527) internal successors, (1351), 943 states have internal predecessors, (1351), 189 states have call successors, (189), 38 states have call predecessors, (189), 38 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-24 10:48:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1729 transitions. [2024-10-24 10:48:47,555 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1729 transitions. Word has length 444 [2024-10-24 10:48:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:47,555 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1729 transitions. [2024-10-24 10:48:47,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-24 10:48:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1729 transitions. [2024-10-24 10:48:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-10-24 10:48:47,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:47,557 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:47,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 10:48:47,558 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:47,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:47,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1808159009, now seen corresponding path program 1 times [2024-10-24 10:48:47,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:47,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22894876] [2024-10-24 10:48:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:48:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:48:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:48:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:48:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:48:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:48:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:48:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:48:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:48:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 10:48:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 10:48:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 10:48:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 10:48:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 10:48:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:48:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:48:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:48:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:48:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 10:48:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:48:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 10:48:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 10:48:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 10:48:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 10:48:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 10:48:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 10:48:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 10:48:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 10:48:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 10:48:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-24 10:48:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-24 10:48:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 10:48:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 10:48:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-24 10:48:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 10:48:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 258 proven. 108 refuted. 0 times theorem prover too weak. 7446 trivial. 0 not checked. [2024-10-24 10:48:49,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:49,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22894876] [2024-10-24 10:48:49,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22894876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:49,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720838798] [2024-10-24 10:48:49,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:49,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:49,953 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:49,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 10:48:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:50,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 10:48:50,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 4860 proven. 180 refuted. 0 times theorem prover too weak. 2772 trivial. 0 not checked. [2024-10-24 10:48:51,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:49:04,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720838798] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:49:04,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 10:49:04,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 16 [2024-10-24 10:49:04,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686725073] [2024-10-24 10:49:04,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 10:49:04,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 10:49:04,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:04,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 10:49:04,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=251, Unknown=3, NotChecked=0, Total=306 [2024-10-24 10:49:04,097 INFO L87 Difference]: Start difference. First operand 1171 states and 1729 transitions. Second operand has 16 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 7 states have call successors, (93), 4 states have call predecessors, (93), 6 states have return successors, (94), 6 states have call predecessors, (94), 7 states have call successors, (94) [2024-10-24 10:49:08,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]