./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_loopvsstraightlinecode_100-while_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.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 a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:00:57,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:00:57,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 04:00:57,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:00:57,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:00:57,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:00:57,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:00:57,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:00:57,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:00:57,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:00:57,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:00:57,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:00:57,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:00:57,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:00:57,545 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:00:57,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:00:57,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:00:57,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:00:57,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 04:00:57,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:00:57,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:00:57,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:00:57,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:00:57,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:00:57,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:00:57,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:00:57,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:00:57,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:00:57,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:00:57,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:00:57,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:00:57,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:00:57,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:00:57,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:00:57,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:00:57,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:00:57,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 04:00:57,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 04:00:57,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:00:57,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:00:57,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:00:57,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:00:57,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 [2024-10-13 04:00:57,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:00:57,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:00:57,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:00:57,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:00:57,887 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:00:57,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-10-13 04:00:59,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:00:59,563 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:00:59,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-10-13 04:00:59,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffdcd6793/23a46ae1c3724e2ebf874908b62c47b4/FLAG45ba9591d [2024-10-13 04:00:59,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffdcd6793/23a46ae1c3724e2ebf874908b62c47b4 [2024-10-13 04:00:59,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:00:59,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:00:59,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:00:59,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:00:59,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:00:59,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:59" (1/1) ... [2024-10-13 04:00:59,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1293c468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:00:59, skipping insertion in model container [2024-10-13 04:00:59,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:00:59" (1/1) ... [2024-10-13 04:00:59,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:00:59,821 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_loopvsstraightlinecode_100-while_file-68.i[916,929] [2024-10-13 04:00:59,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:00:59,942 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:00:59,952 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_loopvsstraightlinecode_100-while_file-68.i[916,929] [2024-10-13 04:00:59,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:01:00,017 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:01:00,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00 WrapperNode [2024-10-13 04:01:00,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:01:00,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:01:00,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:01:00,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:01:00,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,096 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2024-10-13 04:01:00,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:01:00,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:01:00,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:01:00,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:01:00,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,140 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 04:01:00,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:01:00,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:01:00,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:01:00,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:01:00,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (1/1) ... [2024-10-13 04:01:00,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:01:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:01:00,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 04:01:00,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 04:01:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:01:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:01:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:01:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 04:01:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:01:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:01:00,480 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:01:00,482 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:01:01,126 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-10-13 04:01:01,126 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:01:01,164 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:01:01,167 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:01:01,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:01 BoogieIcfgContainer [2024-10-13 04:01:01,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:01:01,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:01:01,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:01:01,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:01:01,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:00:59" (1/3) ... [2024-10-13 04:01:01,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521eb101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:01, skipping insertion in model container [2024-10-13 04:01:01,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:01:00" (2/3) ... [2024-10-13 04:01:01,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521eb101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:01:01, skipping insertion in model container [2024-10-13 04:01:01,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:01:01" (3/3) ... [2024-10-13 04:01:01,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-68.i [2024-10-13 04:01:01,193 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:01:01,194 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:01:01,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:01:01,265 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;@3e5c147b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:01:01,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:01:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 115 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 04:01:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-13 04:01:01,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:01,293 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:01,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:01,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:01,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1844385975, now seen corresponding path program 1 times [2024-10-13 04:01:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:01,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282304754] [2024-10-13 04:01:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:01,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:01:02,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:02,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282304754] [2024-10-13 04:01:02,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282304754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:01:02,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:01:02,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 04:01:02,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085204388] [2024-10-13 04:01:02,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:01:02,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 04:01:02,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:02,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 04:01:02,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:01:02,047 INFO L87 Difference]: Start difference. First operand has 157 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 115 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:01:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:02,102 INFO L93 Difference]: Finished difference Result 311 states and 536 transitions. [2024-10-13 04:01:02,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 04:01:02,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 265 [2024-10-13 04:01:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:02,116 INFO L225 Difference]: With dead ends: 311 [2024-10-13 04:01:02,116 INFO L226 Difference]: Without dead ends: 155 [2024-10-13 04:01:02,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:01:02,123 INFO L432 NwaCegarLoop]: 241 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, 241 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:02,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:01:02,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-13 04:01:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-13 04:01:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 113 states have (on average 1.4513274336283186) internal successors, (164), 113 states have internal predecessors, (164), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 04:01:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2024-10-13 04:01:02,186 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 265 [2024-10-13 04:01:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:02,187 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2024-10-13 04:01:02,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:01:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2024-10-13 04:01:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-13 04:01:02,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:02,193 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:02,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 04:01:02,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:02,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2037065221, now seen corresponding path program 1 times [2024-10-13 04:01:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:02,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878931388] [2024-10-13 04:01:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:01:02,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:02,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878931388] [2024-10-13 04:01:02,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878931388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:01:02,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:01:02,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 04:01:02,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210662233] [2024-10-13 04:01:02,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:01:02,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 04:01:02,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:02,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 04:01:02,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:01:02,799 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:01:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:02,858 INFO L93 Difference]: Finished difference Result 309 states and 487 transitions. [2024-10-13 04:01:02,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 04:01:02,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 265 [2024-10-13 04:01:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:02,862 INFO L225 Difference]: With dead ends: 309 [2024-10-13 04:01:02,862 INFO L226 Difference]: Without dead ends: 155 [2024-10-13 04:01:02,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:01:02,865 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:02,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:01:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-13 04:01:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-13 04:01:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 113 states have (on average 1.4424778761061947) internal successors, (163), 113 states have internal predecessors, (163), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 04:01:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 243 transitions. [2024-10-13 04:01:02,880 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 243 transitions. Word has length 265 [2024-10-13 04:01:02,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:02,884 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 243 transitions. [2024-10-13 04:01:02,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:01:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 243 transitions. [2024-10-13 04:01:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-13 04:01:02,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:02,894 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:02,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 04:01:02,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:02,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:02,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1413896573, now seen corresponding path program 1 times [2024-10-13 04:01:02,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:02,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706305900] [2024-10-13 04:01:02,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:02,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:01:05,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:05,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706305900] [2024-10-13 04:01:05,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706305900] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:01:05,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:01:05,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 04:01:05,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927464740] [2024-10-13 04:01:05,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:01:05,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 04:01:05,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:05,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 04:01:05,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 04:01:05,127 INFO L87 Difference]: Start difference. First operand 155 states and 243 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:01:06,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:06,120 INFO L93 Difference]: Finished difference Result 467 states and 723 transitions. [2024-10-13 04:01:06,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 04:01:06,122 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 265 [2024-10-13 04:01:06,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:06,129 INFO L225 Difference]: With dead ends: 467 [2024-10-13 04:01:06,129 INFO L226 Difference]: Without dead ends: 313 [2024-10-13 04:01:06,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 04:01:06,132 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 638 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:06,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 482 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 04:01:06,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-13 04:01:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 290. [2024-10-13 04:01:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 244 states have (on average 1.4877049180327868) internal successors, (363), 245 states have internal predecessors, (363), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 04:01:06,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 449 transitions. [2024-10-13 04:01:06,179 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 449 transitions. Word has length 265 [2024-10-13 04:01:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:06,182 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 449 transitions. [2024-10-13 04:01:06,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:01:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 449 transitions. [2024-10-13 04:01:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-13 04:01:06,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:06,188 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:06,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 04:01:06,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:06,192 INFO L85 PathProgramCache]: Analyzing trace with hash 392828219, now seen corresponding path program 1 times [2024-10-13 04:01:06,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:06,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138114646] [2024-10-13 04:01:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:01:06,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138114646] [2024-10-13 04:01:06,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138114646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:01:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578381708] [2024-10-13 04:01:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:06,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:01:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:01:06,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:01:06,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 04:01:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:06,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 04:01:07,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:01:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-10-13 04:01:07,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:01:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-10-13 04:01:08,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578381708] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:01:08,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:01:08,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-10-13 04:01:08,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642340929] [2024-10-13 04:01:08,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:01:08,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 04:01:08,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:08,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 04:01:08,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-13 04:01:08,470 INFO L87 Difference]: Start difference. First operand 290 states and 449 transitions. Second operand has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-10-13 04:01:09,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:09,196 INFO L93 Difference]: Finished difference Result 543 states and 833 transitions. [2024-10-13 04:01:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 04:01:09,198 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 265 [2024-10-13 04:01:09,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:09,203 INFO L225 Difference]: With dead ends: 543 [2024-10-13 04:01:09,204 INFO L226 Difference]: Without dead ends: 254 [2024-10-13 04:01:09,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-10-13 04:01:09,207 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 912 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:09,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 458 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 04:01:09,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-13 04:01:09,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2024-10-13 04:01:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 203 states have (on average 1.3694581280788178) internal successors, (278), 204 states have internal predecessors, (278), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 04:01:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 364 transitions. [2024-10-13 04:01:09,249 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 364 transitions. Word has length 265 [2024-10-13 04:01:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:09,250 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 364 transitions. [2024-10-13 04:01:09,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-10-13 04:01:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 364 transitions. [2024-10-13 04:01:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 04:01:09,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:09,257 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:09,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 04:01:09,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:01:09,462 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:09,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:09,463 INFO L85 PathProgramCache]: Analyzing trace with hash 710086497, now seen corresponding path program 1 times [2024-10-13 04:01:09,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:09,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761922395] [2024-10-13 04:01:09,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:09,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:15,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:01:16,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:16,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761922395] [2024-10-13 04:01:16,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761922395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:01:16,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:01:16,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 04:01:16,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827171609] [2024-10-13 04:01:16,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:01:16,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 04:01:16,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 04:01:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:01:16,059 INFO L87 Difference]: Start difference. First operand 252 states and 364 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:01:18,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:18,736 INFO L93 Difference]: Finished difference Result 1005 states and 1427 transitions. [2024-10-13 04:01:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 04:01:18,737 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 267 [2024-10-13 04:01:18,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:18,746 INFO L225 Difference]: With dead ends: 1005 [2024-10-13 04:01:18,748 INFO L226 Difference]: Without dead ends: 754 [2024-10-13 04:01:18,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-10-13 04:01:18,750 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 2166 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:18,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 895 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-13 04:01:18,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-10-13 04:01:18,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 548. [2024-10-13 04:01:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 461 states have (on average 1.3926247288503253) internal successors, (642), 464 states have internal predecessors, (642), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 04:01:18,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 794 transitions. [2024-10-13 04:01:18,800 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 794 transitions. Word has length 267 [2024-10-13 04:01:18,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:18,801 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 794 transitions. [2024-10-13 04:01:18,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:01:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 794 transitions. [2024-10-13 04:01:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 04:01:18,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:18,805 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:18,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 04:01:18,806 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:18,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:18,807 INFO L85 PathProgramCache]: Analyzing trace with hash -301030753, now seen corresponding path program 1 times [2024-10-13 04:01:18,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:18,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638979515] [2024-10-13 04:01:18,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:01:20,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:20,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638979515] [2024-10-13 04:01:20,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638979515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:01:20,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:01:20,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 04:01:20,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996077253] [2024-10-13 04:01:20,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:01:20,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 04:01:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:20,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 04:01:20,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:01:20,447 INFO L87 Difference]: Start difference. First operand 548 states and 794 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:01:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:22,144 INFO L93 Difference]: Finished difference Result 1390 states and 1996 transitions. [2024-10-13 04:01:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 04:01:22,145 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 267 [2024-10-13 04:01:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:22,151 INFO L225 Difference]: With dead ends: 1390 [2024-10-13 04:01:22,152 INFO L226 Difference]: Without dead ends: 835 [2024-10-13 04:01:22,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-10-13 04:01:22,154 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 682 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:22,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 794 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 04:01:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-10-13 04:01:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 610. [2024-10-13 04:01:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 523 states have (on average 1.3996175908221797) internal successors, (732), 526 states have internal predecessors, (732), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 04:01:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 884 transitions. [2024-10-13 04:01:22,204 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 884 transitions. Word has length 267 [2024-10-13 04:01:22,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:22,206 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 884 transitions. [2024-10-13 04:01:22,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:01:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 884 transitions. [2024-10-13 04:01:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 04:01:22,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:22,209 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:22,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 04:01:22,210 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:22,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:22,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1322099107, now seen corresponding path program 1 times [2024-10-13 04:01:22,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:22,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590370219] [2024-10-13 04:01:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:22,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:01:22,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:22,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590370219] [2024-10-13 04:01:22,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590370219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:01:22,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167633904] [2024-10-13 04:01:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:22,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:01:22,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:01:22,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:01:22,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 04:01:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:23,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 04:01:23,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:01:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-10-13 04:01:23,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:01:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:01:24,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167633904] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:01:24,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:01:24,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 16 [2024-10-13 04:01:24,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518437955] [2024-10-13 04:01:24,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:01:24,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 04:01:24,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:24,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 04:01:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-13 04:01:24,557 INFO L87 Difference]: Start difference. First operand 610 states and 884 transitions. Second operand has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 4 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2024-10-13 04:01:25,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:25,894 INFO L93 Difference]: Finished difference Result 1633 states and 2337 transitions. [2024-10-13 04:01:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 04:01:25,894 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 4 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) Word has length 267 [2024-10-13 04:01:25,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:25,900 INFO L225 Difference]: With dead ends: 1633 [2024-10-13 04:01:25,901 INFO L226 Difference]: Without dead ends: 1021 [2024-10-13 04:01:25,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=376, Invalid=1106, Unknown=0, NotChecked=0, Total=1482 [2024-10-13 04:01:25,904 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 974 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:25,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 812 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 04:01:25,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-10-13 04:01:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 889. [2024-10-13 04:01:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 718 states have (on average 1.3467966573816157) internal successors, (967), 723 states have internal predecessors, (967), 146 states have call successors, (146), 24 states have call predecessors, (146), 24 states have return successors, (146), 141 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-13 04:01:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1259 transitions. [2024-10-13 04:01:26,000 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1259 transitions. Word has length 267 [2024-10-13 04:01:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:26,002 INFO L471 AbstractCegarLoop]: Abstraction has 889 states and 1259 transitions. [2024-10-13 04:01:26,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 4 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2024-10-13 04:01:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1259 transitions. [2024-10-13 04:01:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 04:01:26,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:26,006 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:26,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 04:01:26,210 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,SelfDestructingSolverStorable6 [2024-10-13 04:01:26,211 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:26,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:26,212 INFO L85 PathProgramCache]: Analyzing trace with hash -521660654, now seen corresponding path program 1 times [2024-10-13 04:01:26,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:26,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231461322] [2024-10-13 04:01:26,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:26,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:01:26,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:26,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231461322] [2024-10-13 04:01:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231461322] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:01:26,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14544954] [2024-10-13 04:01:26,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:26,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:01:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:01:26,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:01:26,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 04:01:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:26,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 04:01:26,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:01:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-10-13 04:01:27,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:01:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:01:27,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14544954] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:01:27,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:01:27,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-10-13 04:01:27,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991954101] [2024-10-13 04:01:27,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:01:27,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 04:01:27,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:27,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 04:01:27,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 04:01:27,582 INFO L87 Difference]: Start difference. First operand 889 states and 1259 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 3 states have call successors, (98), 2 states have call predecessors, (98), 4 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) [2024-10-13 04:01:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:01:29,088 INFO L93 Difference]: Finished difference Result 2709 states and 3775 transitions. [2024-10-13 04:01:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-13 04:01:29,090 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 3 states have call successors, (98), 2 states have call predecessors, (98), 4 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) Word has length 268 [2024-10-13 04:01:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:01:29,103 INFO L225 Difference]: With dead ends: 2709 [2024-10-13 04:01:29,103 INFO L226 Difference]: Without dead ends: 1821 [2024-10-13 04:01:29,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 617 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=615, Invalid=2355, Unknown=0, NotChecked=0, Total=2970 [2024-10-13 04:01:29,108 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 2498 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:01:29,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2500 Valid, 863 Invalid, 1381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [842 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 04:01:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2024-10-13 04:01:29,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1651. [2024-10-13 04:01:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1274 states have (on average 1.3076923076923077) internal successors, (1666), 1284 states have internal predecessors, (1666), 312 states have call successors, (312), 64 states have call predecessors, (312), 64 states have return successors, (312), 302 states have call predecessors, (312), 312 states have call successors, (312) [2024-10-13 04:01:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2290 transitions. [2024-10-13 04:01:29,320 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2290 transitions. Word has length 268 [2024-10-13 04:01:29,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:01:29,321 INFO L471 AbstractCegarLoop]: Abstraction has 1651 states and 2290 transitions. [2024-10-13 04:01:29,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 3 states have call successors, (98), 2 states have call predecessors, (98), 4 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) [2024-10-13 04:01:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2290 transitions. [2024-10-13 04:01:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 04:01:29,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:01:29,325 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:01:29,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 04:01:29,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:01:29,526 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:01:29,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:01:29,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1498359741, now seen corresponding path program 1 times [2024-10-13 04:01:29,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:01:29,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950291938] [2024-10-13 04:01:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:01:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:01:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:01:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:01:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:01:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:01:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:01:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:01:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:01:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:01:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:01:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:01:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:01:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:01:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:01:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:01:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:01:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:01:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:01:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:01:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:01:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:01:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:01:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:01:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:01:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:01:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:01:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:01:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:01:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:01:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:01:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:01:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:01:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:01:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:01:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:01:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:01:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:01:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:01:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:01:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:01:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:01:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:01:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:01:49,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:01:49,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950291938] [2024-10-13 04:01:49,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950291938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:01:49,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:01:49,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-13 04:01:49,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785167674] [2024-10-13 04:01:49,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:01:49,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 04:01:49,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:01:49,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 04:01:49,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-10-13 04:01:49,625 INFO L87 Difference]: Start difference. First operand 1651 states and 2290 transitions. Second operand has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-10-13 04:02:01,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:02:01,954 INFO L93 Difference]: Finished difference Result 5023 states and 6909 transitions. [2024-10-13 04:02:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 04:02:01,956 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 269 [2024-10-13 04:02:01,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:02:01,973 INFO L225 Difference]: With dead ends: 5023 [2024-10-13 04:02:01,973 INFO L226 Difference]: Without dead ends: 3365 [2024-10-13 04:02:01,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2024-10-13 04:02:01,986 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 3473 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 2679 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 2933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 2679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:02:01,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 1111 Invalid, 2933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 2679 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-10-13 04:02:01,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2024-10-13 04:02:02,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 1893. [2024-10-13 04:02:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1893 states, 1498 states have (on average 1.3104138851802403) internal successors, (1963), 1509 states have internal predecessors, (1963), 316 states have call successors, (316), 78 states have call predecessors, (316), 78 states have return successors, (316), 305 states have call predecessors, (316), 316 states have call successors, (316) [2024-10-13 04:02:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2595 transitions. [2024-10-13 04:02:02,288 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2595 transitions. Word has length 269 [2024-10-13 04:02:02,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:02:02,289 INFO L471 AbstractCegarLoop]: Abstraction has 1893 states and 2595 transitions. [2024-10-13 04:02:02,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-10-13 04:02:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2595 transitions. [2024-10-13 04:02:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 04:02:02,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:02:02,292 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:02:02,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 04:02:02,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:02:02,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:02:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash 552624257, now seen corresponding path program 1 times [2024-10-13 04:02:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:02:02,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949192038] [2024-10-13 04:02:02,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:02:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:02:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:02:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:02:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:02:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:02:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:02:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:02:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:02:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:02:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:02:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:02:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:02:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:02:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:02:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:02:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:02:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:02:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:02:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:02:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:02:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:02:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:02:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:02:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:02:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:02:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:02:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:02:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:02:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:02:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:02:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:02:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:02:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:02:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:02:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:02:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:02:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:02:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:02:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:02:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:02:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:02:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:02:04,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:02:04,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949192038] [2024-10-13 04:02:04,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949192038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:02:04,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:02:04,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 04:02:04,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306268857] [2024-10-13 04:02:04,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:02:04,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 04:02:04,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:02:04,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 04:02:04,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-13 04:02:04,525 INFO L87 Difference]: Start difference. First operand 1893 states and 2595 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:02:06,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:02:06,270 INFO L93 Difference]: Finished difference Result 5430 states and 7414 transitions. [2024-10-13 04:02:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 04:02:06,271 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-10-13 04:02:06,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:02:06,281 INFO L225 Difference]: With dead ends: 5430 [2024-10-13 04:02:06,282 INFO L226 Difference]: Without dead ends: 3573 [2024-10-13 04:02:06,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-13 04:02:06,286 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 1099 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:02:06,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 732 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 04:02:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3573 states. [2024-10-13 04:02:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3573 to 2110. [2024-10-13 04:02:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 1715 states have (on average 1.3177842565597668) internal successors, (2260), 1726 states have internal predecessors, (2260), 316 states have call successors, (316), 78 states have call predecessors, (316), 78 states have return successors, (316), 305 states have call predecessors, (316), 316 states have call successors, (316) [2024-10-13 04:02:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2892 transitions. [2024-10-13 04:02:06,535 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2892 transitions. Word has length 269 [2024-10-13 04:02:06,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:02:06,535 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2892 transitions. [2024-10-13 04:02:06,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:02:06,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2892 transitions. [2024-10-13 04:02:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 04:02:06,538 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:02:06,538 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:02:06,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 04:02:06,539 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:02:06,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:02:06,540 INFO L85 PathProgramCache]: Analyzing trace with hash -838828219, now seen corresponding path program 1 times [2024-10-13 04:02:06,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:02:06,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609695266] [2024-10-13 04:02:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:02:06,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:02:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:02:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:02:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:02:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:02:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:02:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:02:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:02:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:02:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:02:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:02:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:02:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:02:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:02:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:02:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:02:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:02:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:02:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:02:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:02:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:02:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:02:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:02:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:02:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:02:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:02:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:02:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:02:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:02:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:02:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:02:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:02:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:02:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:02:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:02:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:02:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:02:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:02:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:02:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:02:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:02:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:02:06,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:02:06,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609695266] [2024-10-13 04:02:06,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609695266] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:02:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535196413] [2024-10-13 04:02:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:02:06,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:02:06,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:02:07,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:02:07,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 04:02:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:07,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 04:02:07,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:02:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2015 proven. 180 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2024-10-13 04:02:07,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:02:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-10-13 04:02:08,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535196413] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:02:08,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:02:08,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 24 [2024-10-13 04:02:08,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319168110] [2024-10-13 04:02:08,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:02:08,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-13 04:02:08,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:02:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-13 04:02:08,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-13 04:02:08,228 INFO L87 Difference]: Start difference. First operand 2110 states and 2892 transitions. Second operand has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 22 states have internal predecessors, (157), 9 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 9 states have call predecessors, (109), 9 states have call successors, (109) [2024-10-13 04:02:09,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:02:09,899 INFO L93 Difference]: Finished difference Result 4933 states and 6674 transitions. [2024-10-13 04:02:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-13 04:02:09,900 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 22 states have internal predecessors, (157), 9 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 9 states have call predecessors, (109), 9 states have call successors, (109) Word has length 269 [2024-10-13 04:02:09,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:02:09,914 INFO L225 Difference]: With dead ends: 4933 [2024-10-13 04:02:09,914 INFO L226 Difference]: Without dead ends: 2875 [2024-10-13 04:02:09,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=830, Invalid=1822, Unknown=0, NotChecked=0, Total=2652 [2024-10-13 04:02:09,921 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1532 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:02:09,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 903 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 04:02:09,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2875 states. [2024-10-13 04:02:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2875 to 2530. [2024-10-13 04:02:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 2131 states have (on average 1.3176912247771) internal successors, (2808), 2146 states have internal predecessors, (2808), 303 states have call successors, (303), 95 states have call predecessors, (303), 95 states have return successors, (303), 288 states have call predecessors, (303), 303 states have call successors, (303) [2024-10-13 04:02:10,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3414 transitions. [2024-10-13 04:02:10,207 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3414 transitions. Word has length 269 [2024-10-13 04:02:10,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:02:10,208 INFO L471 AbstractCegarLoop]: Abstraction has 2530 states and 3414 transitions. [2024-10-13 04:02:10,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 22 states have internal predecessors, (157), 9 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 9 states have call predecessors, (109), 9 states have call successors, (109) [2024-10-13 04:02:10,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3414 transitions. [2024-10-13 04:02:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 04:02:10,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:02:10,213 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:02:10,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 04:02:10,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:02:10,414 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:02:10,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:02:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1287308698, now seen corresponding path program 1 times [2024-10-13 04:02:10,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:02:10,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152099823] [2024-10-13 04:02:10,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:02:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:02:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:02:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:02:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat