./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.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 11fbe230916924754384b4d5f209e2f8e8933dc585a70287035d014e0032f60d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:17:03,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:17:03,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:17:03,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:17:03,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:17:03,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:17:03,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:17:03,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:17:03,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:17:03,145 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:17:03,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:17:03,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:17:03,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:17:03,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:17:03,148 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:17:03,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:17:03,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:17:03,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:17:03,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:17:03,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:17:03,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:17:03,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:17:03,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:17:03,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:17:03,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:17:03,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:17:03,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:17:03,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:17:03,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:17:03,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:17:03,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:17:03,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:17:03,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:17:03,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:17:03,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:17:03,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:17:03,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:17:03,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:17:03,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:17:03,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:17:03,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:17:03,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:17:03,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11fbe230916924754384b4d5f209e2f8e8933dc585a70287035d014e0032f60d [2024-11-12 06:17:03,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:17:03,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:17:03,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:17:03,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:17:03,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:17:03,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i [2024-11-12 06:17:05,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:17:05,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:17:05,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i [2024-11-12 06:17:05,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac324d120/12d9f06dbbdd479faecc563bbc67386a/FLAGffc5369cf [2024-11-12 06:17:05,285 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac324d120/12d9f06dbbdd479faecc563bbc67386a [2024-11-12 06:17:05,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:17:05,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:17:05,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:17:05,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:17:05,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:17:05,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa8450f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05, skipping insertion in model container [2024-11-12 06:17:05,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:17:05,603 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i[916,929] [2024-11-12 06:17:05,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:17:05,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:17:05,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i[916,929] [2024-11-12 06:17:05,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:17:05,870 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:17:05,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05 WrapperNode [2024-11-12 06:17:05,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:17:05,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:17:05,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:17:05,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:17:05,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,939 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2024-11-12 06:17:05,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:17:05,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:17:05,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:17:05,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:17:05,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,998 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:17:05,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:05,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:06,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:06,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:06,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:06,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:06,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:17:06,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:17:06,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:17:06,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:17:06,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (1/1) ... [2024-11-12 06:17:06,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:17:06,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:06,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:17:06,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:17:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:17:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:17:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:17:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:17:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:17:06,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:17:06,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:17:06,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:17:07,239 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-12 06:17:07,240 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:17:07,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:17:07,270 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:17:07,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:17:07 BoogieIcfgContainer [2024-11-12 06:17:07,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:17:07,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:17:07,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:17:07,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:17:07,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:17:05" (1/3) ... [2024-11-12 06:17:07,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afa8b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:17:07, skipping insertion in model container [2024-11-12 06:17:07,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:17:05" (2/3) ... [2024-11-12 06:17:07,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afa8b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:17:07, skipping insertion in model container [2024-11-12 06:17:07,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:17:07" (3/3) ... [2024-11-12 06:17:07,316 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-24.i [2024-11-12 06:17:07,334 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:17:07,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:17:07,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:17:07,429 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;@26abd55c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:17:07,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:17:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 136 states have internal predecessors, (205), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 06:17:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-12 06:17:07,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:07,460 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:07,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:07,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:07,469 INFO L85 PathProgramCache]: Analyzing trace with hash 999308583, now seen corresponding path program 1 times [2024-11-12 06:17:07,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:07,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334445615] [2024-11-12 06:17:07,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 06:17:08,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:08,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334445615] [2024-11-12 06:17:08,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334445615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:08,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:08,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:17:08,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513587832] [2024-11-12 06:17:08,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:08,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:17:08,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:08,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:17:08,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:17:08,880 INFO L87 Difference]: Start difference. First operand has 182 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 136 states have internal predecessors, (205), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:09,328 INFO L93 Difference]: Finished difference Result 533 states and 958 transitions. [2024-11-12 06:17:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:17:09,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 298 [2024-11-12 06:17:09,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:09,351 INFO L225 Difference]: With dead ends: 533 [2024-11-12 06:17:09,353 INFO L226 Difference]: Without dead ends: 354 [2024-11-12 06:17:09,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:17:09,366 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 219 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:09,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 827 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:17:09,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-12 06:17:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 263. [2024-11-12 06:17:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 172 states have internal predecessors, (243), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 06:17:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 419 transitions. [2024-11-12 06:17:09,492 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 419 transitions. Word has length 298 [2024-11-12 06:17:09,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:09,497 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 419 transitions. [2024-11-12 06:17:09,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 419 transitions. [2024-11-12 06:17:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-12 06:17:09,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:09,509 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:09,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:17:09,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:09,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1950101936, now seen corresponding path program 1 times [2024-11-12 06:17:09,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:09,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400824227] [2024-11-12 06:17:09,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 06:17:09,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:09,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400824227] [2024-11-12 06:17:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400824227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:09,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:09,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:17:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970113326] [2024-11-12 06:17:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:09,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:17:09,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:09,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:17:09,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:17:09,944 INFO L87 Difference]: Start difference. First operand 263 states and 419 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:10,086 INFO L93 Difference]: Finished difference Result 597 states and 955 transitions. [2024-11-12 06:17:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:17:10,087 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 299 [2024-11-12 06:17:10,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:10,094 INFO L225 Difference]: With dead ends: 597 [2024-11-12 06:17:10,094 INFO L226 Difference]: Without dead ends: 422 [2024-11-12 06:17:10,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:17:10,101 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 250 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:10,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 676 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:17:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-12 06:17:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 318. [2024-11-12 06:17:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 227 states have (on average 1.4361233480176212) internal successors, (326), 227 states have internal predecessors, (326), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 06:17:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 502 transitions. [2024-11-12 06:17:10,155 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 502 transitions. Word has length 299 [2024-11-12 06:17:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:10,156 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 502 transitions. [2024-11-12 06:17:10,157 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 502 transitions. [2024-11-12 06:17:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-12 06:17:10,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:10,166 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:10,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:17:10,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:10,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:10,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1250126474, now seen corresponding path program 1 times [2024-11-12 06:17:10,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:10,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741330853] [2024-11-12 06:17:10,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 06:17:10,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:10,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741330853] [2024-11-12 06:17:10,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741330853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:10,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:17:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549257207] [2024-11-12 06:17:10,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:10,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:17:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:17:10,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:17:10,469 INFO L87 Difference]: Start difference. First operand 318 states and 502 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:10,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:10,590 INFO L93 Difference]: Finished difference Result 652 states and 1028 transitions. [2024-11-12 06:17:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:17:10,591 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 299 [2024-11-12 06:17:10,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:10,601 INFO L225 Difference]: With dead ends: 652 [2024-11-12 06:17:10,602 INFO L226 Difference]: Without dead ends: 422 [2024-11-12 06:17:10,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:17:10,604 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 248 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:10,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 500 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:17:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-12 06:17:10,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 318. [2024-11-12 06:17:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 06:17:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 492 transitions. [2024-11-12 06:17:10,645 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 492 transitions. Word has length 299 [2024-11-12 06:17:10,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:10,646 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 492 transitions. [2024-11-12 06:17:10,646 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 492 transitions. [2024-11-12 06:17:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 06:17:10,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:10,651 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:10,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:17:10,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:10,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:10,652 INFO L85 PathProgramCache]: Analyzing trace with hash 103102257, now seen corresponding path program 1 times [2024-11-12 06:17:10,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:10,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752962690] [2024-11-12 06:17:10,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 06:17:11,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752962690] [2024-11-12 06:17:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752962690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:11,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:11,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:17:11,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726951978] [2024-11-12 06:17:11,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:11,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:17:11,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:11,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:17:11,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:17:11,159 INFO L87 Difference]: Start difference. First operand 318 states and 492 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:11,227 INFO L93 Difference]: Finished difference Result 779 states and 1205 transitions. [2024-11-12 06:17:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:17:11,228 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 300 [2024-11-12 06:17:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:11,232 INFO L225 Difference]: With dead ends: 779 [2024-11-12 06:17:11,232 INFO L226 Difference]: Without dead ends: 549 [2024-11-12 06:17:11,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:17:11,234 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 187 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:11,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 535 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:17:11,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-12 06:17:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 545. [2024-11-12 06:17:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 409 states have (on average 1.41320293398533) internal successors, (578), 409 states have internal predecessors, (578), 132 states have call successors, (132), 3 states have call predecessors, (132), 3 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 06:17:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 842 transitions. [2024-11-12 06:17:11,285 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 842 transitions. Word has length 300 [2024-11-12 06:17:11,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:11,286 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 842 transitions. [2024-11-12 06:17:11,287 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 06:17:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 842 transitions. [2024-11-12 06:17:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 06:17:11,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:11,291 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:11,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:17:11,291 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:11,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:11,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2140881041, now seen corresponding path program 1 times [2024-11-12 06:17:11,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:11,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559977373] [2024-11-12 06:17:11,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:11,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 06:17:13,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:13,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559977373] [2024-11-12 06:17:13,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559977373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:13,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:13,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 06:17:13,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148243160] [2024-11-12 06:17:13,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:13,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 06:17:13,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:13,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 06:17:13,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 06:17:13,879 INFO L87 Difference]: Start difference. First operand 545 states and 842 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-12 06:17:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:14,832 INFO L93 Difference]: Finished difference Result 1495 states and 2294 transitions. [2024-11-12 06:17:14,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 06:17:14,833 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 300 [2024-11-12 06:17:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:14,841 INFO L225 Difference]: With dead ends: 1495 [2024-11-12 06:17:14,841 INFO L226 Difference]: Without dead ends: 1039 [2024-11-12 06:17:14,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-12 06:17:14,845 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 825 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:14,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 1583 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 06:17:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-12 06:17:14,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 899. [2024-11-12 06:17:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 735 states have (on average 1.4489795918367347) internal successors, (1065), 737 states have internal predecessors, (1065), 158 states have call successors, (158), 5 states have call predecessors, (158), 5 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-12 06:17:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1381 transitions. [2024-11-12 06:17:14,944 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1381 transitions. Word has length 300 [2024-11-12 06:17:14,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:14,945 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1381 transitions. [2024-11-12 06:17:14,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-12 06:17:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1381 transitions. [2024-11-12 06:17:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 06:17:14,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:14,953 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:14,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 06:17:14,955 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:14,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2078841427, now seen corresponding path program 1 times [2024-11-12 06:17:14,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:14,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831639149] [2024-11-12 06:17:14,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 39 proven. 90 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-11-12 06:17:16,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:16,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831639149] [2024-11-12 06:17:16,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831639149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:17:16,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011082350] [2024-11-12 06:17:16,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:16,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:17:16,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:16,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:17:16,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:17:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:16,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 06:17:16,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:17:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1629 proven. 90 refuted. 0 times theorem prover too weak. 2065 trivial. 0 not checked. [2024-11-12 06:17:17,518 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:17:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 39 proven. 90 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-11-12 06:17:17,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011082350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:17:17,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:17:17,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-11-12 06:17:17,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911359616] [2024-11-12 06:17:17,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:17:17,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 06:17:17,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:17,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 06:17:17,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-12 06:17:17,948 INFO L87 Difference]: Start difference. First operand 899 states and 1381 transitions. Second operand has 16 states, 15 states have (on average 11.2) internal successors, (168), 16 states have internal predecessors, (168), 6 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 6 states have call successors, (132) [2024-11-12 06:17:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:19,166 INFO L93 Difference]: Finished difference Result 1807 states and 2764 transitions. [2024-11-12 06:17:19,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 06:17:19,167 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.2) internal successors, (168), 16 states have internal predecessors, (168), 6 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 6 states have call successors, (132) Word has length 300 [2024-11-12 06:17:19,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:19,176 INFO L225 Difference]: With dead ends: 1807 [2024-11-12 06:17:19,176 INFO L226 Difference]: Without dead ends: 1151 [2024-11-12 06:17:19,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2024-11-12 06:17:19,183 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 977 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:19,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 2071 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 06:17:19,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-12 06:17:19,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 703. [2024-11-12 06:17:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 566 states have (on average 1.4505300353356891) internal successors, (821), 566 states have internal predecessors, (821), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 06:17:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1085 transitions. [2024-11-12 06:17:19,267 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1085 transitions. Word has length 300 [2024-11-12 06:17:19,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:19,269 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1085 transitions. [2024-11-12 06:17:19,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.2) internal successors, (168), 16 states have internal predecessors, (168), 6 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 6 states have call successors, (132) [2024-11-12 06:17:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1085 transitions. [2024-11-12 06:17:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 06:17:19,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:19,275 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:19,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 06:17:19,475 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 [2024-11-12 06:17:19,476 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:19,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash 782278957, now seen corresponding path program 1 times [2024-11-12 06:17:19,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:19,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310539898] [2024-11-12 06:17:19,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:19,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 06:17:20,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:20,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310539898] [2024-11-12 06:17:20,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310539898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:20,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:20,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:17:20,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553620805] [2024-11-12 06:17:20,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:20,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:17:20,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:20,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:17:20,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:17:20,770 INFO L87 Difference]: Start difference. First operand 703 states and 1085 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 06:17:21,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:21,109 INFO L93 Difference]: Finished difference Result 1647 states and 2543 transitions. [2024-11-12 06:17:21,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:17:21,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 300 [2024-11-12 06:17:21,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:21,118 INFO L225 Difference]: With dead ends: 1647 [2024-11-12 06:17:21,118 INFO L226 Difference]: Without dead ends: 1159 [2024-11-12 06:17:21,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:17:21,122 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 228 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:21,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 960 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:17:21,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-11-12 06:17:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1013. [2024-11-12 06:17:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 786 states have (on average 1.4236641221374047) internal successors, (1119), 786 states have internal predecessors, (1119), 220 states have call successors, (220), 6 states have call predecessors, (220), 6 states have return successors, (220), 220 states have call predecessors, (220), 220 states have call successors, (220) [2024-11-12 06:17:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1559 transitions. [2024-11-12 06:17:21,221 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1559 transitions. Word has length 300 [2024-11-12 06:17:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:21,221 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1559 transitions. [2024-11-12 06:17:21,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 06:17:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1559 transitions. [2024-11-12 06:17:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 06:17:21,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:21,227 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:21,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 06:17:21,227 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:21,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash 844318571, now seen corresponding path program 1 times [2024-11-12 06:17:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:21,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999646478] [2024-11-12 06:17:21,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 81 proven. 171 refuted. 0 times theorem prover too weak. 3532 trivial. 0 not checked. [2024-11-12 06:17:25,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:25,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999646478] [2024-11-12 06:17:25,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999646478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:17:25,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965539152] [2024-11-12 06:17:25,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:25,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:17:25,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:25,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:17:25,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 06:17:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:25,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 06:17:25,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:17:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2596 proven. 111 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2024-11-12 06:17:27,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:17:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 141 proven. 114 refuted. 0 times theorem prover too weak. 3529 trivial. 0 not checked. [2024-11-12 06:17:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965539152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:17:29,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:17:29,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 37 [2024-11-12 06:17:29,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375220849] [2024-11-12 06:17:29,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:17:29,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-12 06:17:29,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:29,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-12 06:17:29,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1142, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 06:17:29,045 INFO L87 Difference]: Start difference. First operand 1013 states and 1559 transitions. Second operand has 37 states, 33 states have (on average 6.636363636363637) internal successors, (219), 36 states have internal predecessors, (219), 15 states have call successors, (132), 6 states have call predecessors, (132), 10 states have return successors, (132), 11 states have call predecessors, (132), 15 states have call successors, (132) [2024-11-12 06:17:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:42,151 INFO L93 Difference]: Finished difference Result 7229 states and 10784 transitions. [2024-11-12 06:17:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-12 06:17:42,152 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 33 states have (on average 6.636363636363637) internal successors, (219), 36 states have internal predecessors, (219), 15 states have call successors, (132), 6 states have call predecessors, (132), 10 states have return successors, (132), 11 states have call predecessors, (132), 15 states have call successors, (132) Word has length 300 [2024-11-12 06:17:42,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:42,189 INFO L225 Difference]: With dead ends: 7229 [2024-11-12 06:17:42,189 INFO L226 Difference]: Without dead ends: 6317 [2024-11-12 06:17:42,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4997 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=2660, Invalid=12592, Unknown=0, NotChecked=0, Total=15252 [2024-11-12 06:17:42,200 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 6881 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 2233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6932 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 5748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2233 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:42,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6932 Valid, 3339 Invalid, 5748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2233 Valid, 3515 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-12 06:17:42,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6317 states. [2024-11-12 06:17:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6317 to 2431. [2024-11-12 06:17:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2431 states, 1951 states have (on average 1.4085084572014352) internal successors, (2748), 1955 states have internal predecessors, (2748), 448 states have call successors, (448), 31 states have call predecessors, (448), 31 states have return successors, (448), 444 states have call predecessors, (448), 448 states have call successors, (448) [2024-11-12 06:17:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3644 transitions. [2024-11-12 06:17:42,605 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3644 transitions. Word has length 300 [2024-11-12 06:17:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:42,606 INFO L471 AbstractCegarLoop]: Abstraction has 2431 states and 3644 transitions. [2024-11-12 06:17:42,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 33 states have (on average 6.636363636363637) internal successors, (219), 36 states have internal predecessors, (219), 15 states have call successors, (132), 6 states have call predecessors, (132), 10 states have return successors, (132), 11 states have call predecessors, (132), 15 states have call successors, (132) [2024-11-12 06:17:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3644 transitions. [2024-11-12 06:17:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-12 06:17:42,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:42,613 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:42,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 06:17:42,816 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,SelfDestructingSolverStorable7 [2024-11-12 06:17:42,817 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:42,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:42,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1793529643, now seen corresponding path program 1 times [2024-11-12 06:17:42,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:42,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031811763] [2024-11-12 06:17:42,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:42,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 06:17:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 06:17:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 06:17:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 06:17:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 06:17:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:17:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 06:17:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 06:17:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 06:17:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 06:17:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 06:17:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 06:17:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 06:17:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:17:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 06:17:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:17:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 06:17:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:17:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 06:17:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:17:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:17:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:17:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:17:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:17:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 06:17:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 06:17:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 51 proven. 78 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-11-12 06:17:44,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:44,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031811763] [2024-11-12 06:17:44,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031811763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:17:44,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135417563] [2024-11-12 06:17:44,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:44,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:17:44,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:44,359 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) [2024-11-12 06:17:44,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 06:17:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:44,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-12 06:17:44,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:17:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2001 proven. 324 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2024-11-12 06:17:46,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:18:01,739 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 06:18:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 156 proven. 342 refuted. 0 times theorem prover too weak. 3286 trivial. 0 not checked. [2024-11-12 06:18:08,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135417563] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:18:08,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:18:08,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 17] total 39 [2024-11-12 06:18:08,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847420122] [2024-11-12 06:18:08,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:18:08,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-12 06:18:08,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:18:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-12 06:18:08,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 06:18:08,550 INFO L87 Difference]: Start difference. First operand 2431 states and 3644 transitions. Second operand has 39 states, 36 states have (on average 5.888888888888889) internal successors, (212), 35 states have internal predecessors, (212), 13 states have call successors, (132), 6 states have call predecessors, (132), 13 states have return successors, (132), 12 states have call predecessors, (132), 13 states have call successors, (132)