./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-96.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 569b7b70ffce685c43ef1e1873a16a7ab7979c99918cf4e931b631a44259c89c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:12:26,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:12:26,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:12:26,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:12:26,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:12:26,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:12:26,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:12:26,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:12:26,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:12:26,952 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:12:26,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:12:26,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:12:26,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:12:26,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:12:26,953 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:12:26,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:12:26,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:12:26,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:12:26,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:12:26,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:12:26,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:12:26,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:12:26,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:12:26,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:12:26,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:12:26,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:12:26,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:12:26,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:12:26,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:12:26,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:12:26,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:12:26,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:12:26,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:12:26,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:12:26,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:12:26,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:12:26,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:12:26,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:12:26,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:12:26,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:12:26,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:12:26,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:12:26,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 569b7b70ffce685c43ef1e1873a16a7ab7979c99918cf4e931b631a44259c89c [2024-10-13 05:12:27,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:12:27,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:12:27,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:12:27,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:12:27,190 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:12:27,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-96.i [2024-10-13 05:12:28,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:12:28,591 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:12:28,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-96.i [2024-10-13 05:12:28,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9383aece5/3826fc3d7a9e435487dd83f33bce65f9/FLAG1f476635c [2024-10-13 05:12:28,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9383aece5/3826fc3d7a9e435487dd83f33bce65f9 [2024-10-13 05:12:28,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:12:28,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:12:28,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:12:28,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:12:28,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:12:28,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:12:28" (1/1) ... [2024-10-13 05:12:28,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c78b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:28, skipping insertion in model container [2024-10-13 05:12:28,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:12:28" (1/1) ... [2024-10-13 05:12:29,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:12:29,143 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-96.i[916,929] [2024-10-13 05:12:29,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:12:29,344 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:12:29,354 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-96.i[916,929] [2024-10-13 05:12:29,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:12:29,418 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:12:29,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29 WrapperNode [2024-10-13 05:12:29,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:12:29,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:12:29,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:12:29,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:12:29,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,505 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 442 [2024-10-13 05:12:29,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:12:29,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:12:29,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:12:29,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:12:29,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,567 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 05:12:29,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:12:29,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:12:29,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:12:29,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:12:29,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (1/1) ... [2024-10-13 05:12:29,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:12:29,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:29,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 05:12:29,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 05:12:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:12:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:12:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:12:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:12:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:12:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:12:29,799 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:12:29,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:12:30,453 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-10-13 05:12:30,453 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:12:30,496 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:12:30,498 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:12:30,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:12:30 BoogieIcfgContainer [2024-10-13 05:12:30,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:12:30,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:12:30,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:12:30,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:12:30,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:12:28" (1/3) ... [2024-10-13 05:12:30,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f62adbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:12:30, skipping insertion in model container [2024-10-13 05:12:30,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:12:29" (2/3) ... [2024-10-13 05:12:30,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f62adbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:12:30, skipping insertion in model container [2024-10-13 05:12:30,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:12:30" (3/3) ... [2024-10-13 05:12:30,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-96.i [2024-10-13 05:12:30,519 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:12:30,519 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:12:30,584 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:12:30,589 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;@11d42825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:12:30,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:12:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 132 states have (on average 1.5378787878787878) internal successors, (203), 133 states have internal predecessors, (203), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 05:12:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 05:12:30,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:30,619 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:30,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:30,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:30,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1181277779, now seen corresponding path program 1 times [2024-10-13 05:12:30,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:30,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524005294] [2024-10-13 05:12:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:31,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:31,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524005294] [2024-10-13 05:12:31,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524005294] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:31,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:12:31,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:12:31,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087937230] [2024-10-13 05:12:31,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:31,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:12:31,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:31,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:12:31,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:12:31,509 INFO L87 Difference]: Start difference. First operand has 173 states, 132 states have (on average 1.5378787878787878) internal successors, (203), 133 states have internal predecessors, (203), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:31,617 INFO L93 Difference]: Finished difference Result 509 states and 902 transitions. [2024-10-13 05:12:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:12:31,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 269 [2024-10-13 05:12:31,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:31,633 INFO L225 Difference]: With dead ends: 509 [2024-10-13 05:12:31,634 INFO L226 Difference]: Without dead ends: 337 [2024-10-13 05:12:31,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:12:31,642 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 261 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:31,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 649 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:12:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-10-13 05:12:31,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 173. [2024-10-13 05:12:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 133 states have (on average 1.4887218045112782) internal successors, (198), 133 states have internal predecessors, (198), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 05:12:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 274 transitions. [2024-10-13 05:12:31,706 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 274 transitions. Word has length 269 [2024-10-13 05:12:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:31,709 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 274 transitions. [2024-10-13 05:12:31,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 274 transitions. [2024-10-13 05:12:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 05:12:31,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:31,717 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:31,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:12:31,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:31,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:31,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2084330219, now seen corresponding path program 1 times [2024-10-13 05:12:31,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:31,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197996513] [2024-10-13 05:12:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:32,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:32,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197996513] [2024-10-13 05:12:32,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197996513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:32,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:12:32,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:12:32,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407302849] [2024-10-13 05:12:32,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:32,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:12:32,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:32,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:12:32,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:12:32,190 INFO L87 Difference]: Start difference. First operand 173 states and 274 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:32,285 INFO L93 Difference]: Finished difference Result 517 states and 820 transitions. [2024-10-13 05:12:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:12:32,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 269 [2024-10-13 05:12:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:32,288 INFO L225 Difference]: With dead ends: 517 [2024-10-13 05:12:32,288 INFO L226 Difference]: Without dead ends: 345 [2024-10-13 05:12:32,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:12:32,290 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 258 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:32,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 494 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:12:32,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-13 05:12:32,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2024-10-13 05:12:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 264 states have (on average 1.4848484848484849) internal successors, (392), 264 states have internal predecessors, (392), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 05:12:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 544 transitions. [2024-10-13 05:12:32,327 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 544 transitions. Word has length 269 [2024-10-13 05:12:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:32,328 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 544 transitions. [2024-10-13 05:12:32,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 544 transitions. [2024-10-13 05:12:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-13 05:12:32,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:32,333 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:32,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:12:32,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:32,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:32,334 INFO L85 PathProgramCache]: Analyzing trace with hash 524311760, now seen corresponding path program 1 times [2024-10-13 05:12:32,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:32,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438670133] [2024-10-13 05:12:32,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:32,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:32,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:32,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438670133] [2024-10-13 05:12:32,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438670133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:32,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:12:32,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:12:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078098984] [2024-10-13 05:12:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:32,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:12:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:32,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:12:32,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:12:32,912 INFO L87 Difference]: Start difference. First operand 343 states and 544 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:33,085 INFO L93 Difference]: Finished difference Result 935 states and 1480 transitions. [2024-10-13 05:12:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:12:33,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 270 [2024-10-13 05:12:33,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:33,093 INFO L225 Difference]: With dead ends: 935 [2024-10-13 05:12:33,093 INFO L226 Difference]: Without dead ends: 593 [2024-10-13 05:12:33,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:12:33,097 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 192 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:33,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 796 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:12:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-10-13 05:12:33,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2024-10-13 05:12:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 480 states have (on average 1.5083333333333333) internal successors, (724), 482 states have internal predecessors, (724), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 932 transitions. [2024-10-13 05:12:33,145 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 932 transitions. Word has length 270 [2024-10-13 05:12:33,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:33,147 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 932 transitions. [2024-10-13 05:12:33,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 932 transitions. [2024-10-13 05:12:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-13 05:12:33,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:33,154 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:33,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:12:33,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:33,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:33,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1842382834, now seen corresponding path program 1 times [2024-10-13 05:12:33,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:33,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692777739] [2024-10-13 05:12:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:33,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:33,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692777739] [2024-10-13 05:12:33,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692777739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:33,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:12:33,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:12:33,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718054823] [2024-10-13 05:12:33,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:33,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:12:33,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:33,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:12:33,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:12:33,632 INFO L87 Difference]: Start difference. First operand 589 states and 932 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:33,697 INFO L93 Difference]: Finished difference Result 1263 states and 1998 transitions. [2024-10-13 05:12:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:12:33,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 270 [2024-10-13 05:12:33,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:33,703 INFO L225 Difference]: With dead ends: 1263 [2024-10-13 05:12:33,704 INFO L226 Difference]: Without dead ends: 675 [2024-10-13 05:12:33,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:12:33,711 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 238 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:33,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 493 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:12:33,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-10-13 05:12:33,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 589. [2024-10-13 05:12:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 480 states have (on average 1.4916666666666667) internal successors, (716), 482 states have internal predecessors, (716), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 924 transitions. [2024-10-13 05:12:33,762 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 924 transitions. Word has length 270 [2024-10-13 05:12:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:33,763 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 924 transitions. [2024-10-13 05:12:33,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 924 transitions. [2024-10-13 05:12:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-10-13 05:12:33,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:33,766 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:33,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:12:33,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:33,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:33,766 INFO L85 PathProgramCache]: Analyzing trace with hash -957459059, now seen corresponding path program 1 times [2024-10-13 05:12:33,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:33,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213279062] [2024-10-13 05:12:33,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:33,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213279062] [2024-10-13 05:12:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213279062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:12:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:12:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327619576] [2024-10-13 05:12:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:34,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:12:34,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:12:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:12:34,729 INFO L87 Difference]: Start difference. First operand 589 states and 924 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:35,265 INFO L93 Difference]: Finished difference Result 1655 states and 2582 transitions. [2024-10-13 05:12:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:12:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 271 [2024-10-13 05:12:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:35,271 INFO L225 Difference]: With dead ends: 1655 [2024-10-13 05:12:35,271 INFO L226 Difference]: Without dead ends: 1067 [2024-10-13 05:12:35,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:12:35,274 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 428 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:35,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 870 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 05:12:35,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-13 05:12:35,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 837. [2024-10-13 05:12:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 726 states have (on average 1.4931129476584022) internal successors, (1084), 728 states have internal predecessors, (1084), 104 states have call successors, (104), 6 states have call predecessors, (104), 6 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1292 transitions. [2024-10-13 05:12:35,341 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1292 transitions. Word has length 271 [2024-10-13 05:12:35,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:35,341 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1292 transitions. [2024-10-13 05:12:35,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1292 transitions. [2024-10-13 05:12:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-10-13 05:12:35,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:35,346 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:35,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:12:35,346 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:35,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:35,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2143294703, now seen corresponding path program 1 times [2024-10-13 05:12:35,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:35,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032228092] [2024-10-13 05:12:35,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:36,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:36,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032228092] [2024-10-13 05:12:36,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032228092] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:36,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473417390] [2024-10-13 05:12:36,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:36,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:36,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:12:36,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 05:12:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:36,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 05:12:36,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:12:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:36,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 05:12:36,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473417390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:36,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 05:12:36,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-10-13 05:12:36,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739242496] [2024-10-13 05:12:36,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:36,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:12:36,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:36,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:12:36,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 05:12:36,489 INFO L87 Difference]: Start difference. First operand 837 states and 1292 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:36,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:36,943 INFO L93 Difference]: Finished difference Result 2421 states and 3742 transitions. [2024-10-13 05:12:36,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 05:12:36,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 271 [2024-10-13 05:12:36,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:36,951 INFO L225 Difference]: With dead ends: 2421 [2024-10-13 05:12:36,951 INFO L226 Difference]: Without dead ends: 1585 [2024-10-13 05:12:36,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-13 05:12:36,954 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 224 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:36,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 958 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:12:36,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2024-10-13 05:12:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1273. [2024-10-13 05:12:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1162 states have (on average 1.5180722891566265) internal successors, (1764), 1164 states have internal predecessors, (1764), 104 states have call successors, (104), 6 states have call predecessors, (104), 6 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1972 transitions. [2024-10-13 05:12:37,031 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1972 transitions. Word has length 271 [2024-10-13 05:12:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:37,031 INFO L471 AbstractCegarLoop]: Abstraction has 1273 states and 1972 transitions. [2024-10-13 05:12:37,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1972 transitions. [2024-10-13 05:12:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-13 05:12:37,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:37,037 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:37,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 05:12:37,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 05:12:37,238 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:37,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:37,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1132159855, now seen corresponding path program 1 times [2024-10-13 05:12:37,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:37,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731304313] [2024-10-13 05:12:37,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:37,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 96 proven. 15 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:38,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731304313] [2024-10-13 05:12:38,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731304313] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888626950] [2024-10-13 05:12:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:38,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:38,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:38,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:12:38,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 05:12:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:38,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 05:12:38,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:12:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:38,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 05:12:38,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888626950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:38,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 05:12:38,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-13 05:12:38,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294714910] [2024-10-13 05:12:38,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:38,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:12:38,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:38,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:12:38,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-13 05:12:38,677 INFO L87 Difference]: Start difference. First operand 1273 states and 1972 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:39,031 INFO L93 Difference]: Finished difference Result 2865 states and 4426 transitions. [2024-10-13 05:12:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 05:12:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 272 [2024-10-13 05:12:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:39,038 INFO L225 Difference]: With dead ends: 2865 [2024-10-13 05:12:39,038 INFO L226 Difference]: Without dead ends: 1593 [2024-10-13 05:12:39,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-13 05:12:39,042 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 222 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:39,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 845 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:12:39,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2024-10-13 05:12:39,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1281. [2024-10-13 05:12:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1170 states have (on average 1.5213675213675213) internal successors, (1780), 1172 states have internal predecessors, (1780), 104 states have call successors, (104), 6 states have call predecessors, (104), 6 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1988 transitions. [2024-10-13 05:12:39,116 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1988 transitions. Word has length 272 [2024-10-13 05:12:39,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:39,117 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 1988 transitions. [2024-10-13 05:12:39,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:39,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1988 transitions. [2024-10-13 05:12:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-13 05:12:39,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:39,120 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:39,135 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 05:12:39,320 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 05:12:39,321 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:39,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash 180043519, now seen corresponding path program 1 times [2024-10-13 05:12:39,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:39,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451866656] [2024-10-13 05:12:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:39,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 96 proven. 15 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:40,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451866656] [2024-10-13 05:12:40,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451866656] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874040106] [2024-10-13 05:12:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:40,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:40,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:40,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:12:40,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 05:12:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:40,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 05:12:40,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:12:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2024-10-13 05:12:40,451 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 05:12:40,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874040106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:40,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 05:12:40,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 12 [2024-10-13 05:12:40,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52909631] [2024-10-13 05:12:40,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:40,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 05:12:40,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:40,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 05:12:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 05:12:40,453 INFO L87 Difference]: Start difference. First operand 1281 states and 1988 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 05:12:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:41,100 INFO L93 Difference]: Finished difference Result 2219 states and 3406 transitions. [2024-10-13 05:12:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 05:12:41,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 272 [2024-10-13 05:12:41,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:41,104 INFO L225 Difference]: With dead ends: 2219 [2024-10-13 05:12:41,105 INFO L226 Difference]: Without dead ends: 939 [2024-10-13 05:12:41,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2024-10-13 05:12:41,107 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 362 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:41,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1101 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:12:41,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-10-13 05:12:41,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 837. [2024-10-13 05:12:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 724 states have (on average 1.4558011049723756) internal successors, (1054), 726 states have internal predecessors, (1054), 104 states have call successors, (104), 8 states have call predecessors, (104), 8 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1262 transitions. [2024-10-13 05:12:41,198 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1262 transitions. Word has length 272 [2024-10-13 05:12:41,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:41,198 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1262 transitions. [2024-10-13 05:12:41,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 05:12:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1262 transitions. [2024-10-13 05:12:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-13 05:12:41,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:41,202 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:41,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 05:12:41,402 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 05:12:41,403 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:41,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash -588314228, now seen corresponding path program 1 times [2024-10-13 05:12:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801959991] [2024-10-13 05:12:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:42,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:42,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801959991] [2024-10-13 05:12:42,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801959991] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:42,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333381486] [2024-10-13 05:12:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:42,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:42,042 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:12:42,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 05:12:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:42,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 05:12:42,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:12:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1137 proven. 81 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-10-13 05:12:42,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:12:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:42,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333381486] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:12:42,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:12:42,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 05:12:42,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813185580] [2024-10-13 05:12:42,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:12:42,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 05:12:42,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:42,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 05:12:42,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-13 05:12:42,771 INFO L87 Difference]: Start difference. First operand 837 states and 1262 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 11 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-10-13 05:12:43,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:43,426 INFO L93 Difference]: Finished difference Result 1789 states and 2681 transitions. [2024-10-13 05:12:43,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 05:12:43,427 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 11 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 273 [2024-10-13 05:12:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:43,433 INFO L225 Difference]: With dead ends: 1789 [2024-10-13 05:12:43,433 INFO L226 Difference]: Without dead ends: 953 [2024-10-13 05:12:43,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-10-13 05:12:43,435 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 735 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:43,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 764 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 05:12:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-10-13 05:12:43,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 845. [2024-10-13 05:12:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 728 states have (on average 1.4478021978021978) internal successors, (1054), 730 states have internal predecessors, (1054), 104 states have call successors, (104), 12 states have call predecessors, (104), 12 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 05:12:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1262 transitions. [2024-10-13 05:12:43,500 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1262 transitions. Word has length 273 [2024-10-13 05:12:43,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:43,500 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1262 transitions. [2024-10-13 05:12:43,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 11 states have internal predecessors, (130), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-10-13 05:12:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1262 transitions. [2024-10-13 05:12:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-13 05:12:43,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:43,503 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:43,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 05:12:43,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:43,708 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:43,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 115681140, now seen corresponding path program 1 times [2024-10-13 05:12:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:43,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670472256] [2024-10-13 05:12:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:44,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:44,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670472256] [2024-10-13 05:12:44,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670472256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:12:44,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:12:44,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:12:44,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731842292] [2024-10-13 05:12:44,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:44,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:12:44,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:44,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:12:44,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:12:44,357 INFO L87 Difference]: Start difference. First operand 845 states and 1262 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:44,709 INFO L93 Difference]: Finished difference Result 2535 states and 3786 transitions. [2024-10-13 05:12:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:12:44,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 274 [2024-10-13 05:12:44,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:44,716 INFO L225 Difference]: With dead ends: 2535 [2024-10-13 05:12:44,716 INFO L226 Difference]: Without dead ends: 1691 [2024-10-13 05:12:44,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 05:12:44,718 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 355 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:44,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1139 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:12:44,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2024-10-13 05:12:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1687. [2024-10-13 05:12:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1454 states have (on average 1.4456671251719395) internal successors, (2102), 1458 states have internal predecessors, (2102), 208 states have call successors, (208), 24 states have call predecessors, (208), 24 states have return successors, (208), 204 states have call predecessors, (208), 208 states have call successors, (208) [2024-10-13 05:12:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2518 transitions. [2024-10-13 05:12:44,833 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2518 transitions. Word has length 274 [2024-10-13 05:12:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:44,834 INFO L471 AbstractCegarLoop]: Abstraction has 1687 states and 2518 transitions. [2024-10-13 05:12:44,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2518 transitions. [2024-10-13 05:12:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-13 05:12:44,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:44,838 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:44,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 05:12:44,838 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:44,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:44,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1933706702, now seen corresponding path program 1 times [2024-10-13 05:12:44,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:44,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999997096] [2024-10-13 05:12:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 96 proven. 15 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:45,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:45,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999997096] [2024-10-13 05:12:45,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999997096] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:45,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816887324] [2024-10-13 05:12:45,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:45,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:45,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:45,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:12:45,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 05:12:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:45,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 05:12:45,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:12:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1137 proven. 81 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-10-13 05:12:46,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:12:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:12:47,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816887324] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:47,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-13 05:12:47,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 9] total 17 [2024-10-13 05:12:47,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049632128] [2024-10-13 05:12:47,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:12:47,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:12:47,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:12:47,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:12:47,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-13 05:12:47,122 INFO L87 Difference]: Start difference. First operand 1687 states and 2518 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:12:48,244 INFO L93 Difference]: Finished difference Result 5329 states and 7989 transitions. [2024-10-13 05:12:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 05:12:48,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 274 [2024-10-13 05:12:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:12:48,261 INFO L225 Difference]: With dead ends: 5329 [2024-10-13 05:12:48,261 INFO L226 Difference]: Without dead ends: 3643 [2024-10-13 05:12:48,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 616 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2024-10-13 05:12:48,266 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 399 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 05:12:48,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 801 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 05:12:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2024-10-13 05:12:48,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 2007. [2024-10-13 05:12:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1774 states have (on average 1.4735062006764374) internal successors, (2614), 1778 states have internal predecessors, (2614), 208 states have call successors, (208), 24 states have call predecessors, (208), 24 states have return successors, (208), 204 states have call predecessors, (208), 208 states have call successors, (208) [2024-10-13 05:12:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 3030 transitions. [2024-10-13 05:12:48,469 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 3030 transitions. Word has length 274 [2024-10-13 05:12:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:12:48,470 INFO L471 AbstractCegarLoop]: Abstraction has 2007 states and 3030 transitions. [2024-10-13 05:12:48,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:12:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 3030 transitions. [2024-10-13 05:12:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-13 05:12:48,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:12:48,473 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:12:48,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 05:12:48,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 05:12:48,678 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:12:48,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:12:48,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1851787504, now seen corresponding path program 1 times [2024-10-13 05:12:48,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:12:48,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046528939] [2024-10-13 05:12:48,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:48,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:12:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:12:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:12:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:12:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 05:12:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:12:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:12:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:12:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:12:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:12:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:12:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:12:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:12:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:12:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:12:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 05:12:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:12:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 05:12:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:12:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 05:12:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 05:12:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 05:12:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:12:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:12:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:12:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:12:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:12:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:12:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:12:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:12:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 05:12:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 05:12:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 05:12:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 05:12:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 05:12:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 05:12:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 05:12:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 05:12:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 05:12:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 96 proven. 15 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 05:12:49,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:12:49,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046528939] [2024-10-13 05:12:49,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046528939] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:12:49,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066621233] [2024-10-13 05:12:49,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:12:49,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:12:49,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:12:49,534 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:12:49,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 05:12:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:12:49,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 05:12:49,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:12:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 2191 proven. 141 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-13 05:12:59,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:13:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 249 proven. 75 refuted. 0 times theorem prover too weak. 2488 trivial. 0 not checked. [2024-10-13 05:13:00,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066621233] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:13:00,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:13:00,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 16] total 36 [2024-10-13 05:13:00,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456786032] [2024-10-13 05:13:00,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:13:00,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-13 05:13:00,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:13:00,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-13 05:13:00,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1047, Unknown=1, NotChecked=0, Total=1260 [2024-10-13 05:13:00,348 INFO L87 Difference]: Start difference. First operand 2007 states and 3030 transitions. Second operand has 36 states, 35 states have (on average 6.9714285714285715) internal successors, (244), 34 states have internal predecessors, (244), 11 states have call successors, (86), 6 states have call predecessors, (86), 12 states have return successors, (88), 11 states have call predecessors, (88), 11 states have call successors, (88) [2024-10-13 05:13:08,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:14,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:16,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:28,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:33,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:37,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:42,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:43,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:47,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 05:13:56,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]