./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-17.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 6031d7dbf9253742754a9f33e4106b11959f7720644c83778bf015fc3b49fed8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:18:09,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:18:09,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:18:09,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:18:09,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:18:09,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:18:09,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:18:09,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:18:09,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:18:09,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:18:09,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:18:09,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:18:09,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:18:09,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:18:09,654 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:18:09,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:18:09,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:18:09,655 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:18:09,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:18:09,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:18:09,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:18:09,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:18:09,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:18:09,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:18:09,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:18:09,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:18:09,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:18:09,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:18:09,662 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:18:09,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:18:09,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:18:09,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:18:09,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:18:09,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:18:09,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:18:09,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:18:09,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:18:09,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:18:09,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:18:09,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:18:09,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:18:09,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:18:09,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6031d7dbf9253742754a9f33e4106b11959f7720644c83778bf015fc3b49fed8 [2024-11-16 17:18:09,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:18:09,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:18:09,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:18:09,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:18:09,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:18:09,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-17.i [2024-11-16 17:18:11,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:18:11,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:18:11,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-17.i [2024-11-16 17:18:11,647 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e601f34/605cdc4b96354b07a99ba31b0d77615e/FLAG5e4978da2 [2024-11-16 17:18:11,661 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e601f34/605cdc4b96354b07a99ba31b0d77615e [2024-11-16 17:18:11,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:18:11,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:18:11,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:18:11,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:18:11,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:18:11,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:18:11" (1/1) ... [2024-11-16 17:18:11,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f07457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:11, skipping insertion in model container [2024-11-16 17:18:11,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:18:11" (1/1) ... [2024-11-16 17:18:11,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:18:11,900 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-17.i[916,929] [2024-11-16 17:18:12,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:18:12,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:18:12,096 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-17.i[916,929] [2024-11-16 17:18:12,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:18:12,183 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:18:12,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12 WrapperNode [2024-11-16 17:18:12,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:18:12,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:18:12,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:18:12,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:18:12,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,326 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 363 [2024-11-16 17:18:12,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:18:12,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:18:12,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:18:12,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:18:12,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,426 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]. [2024-11-16 17:18:12,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:18:12,491 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:18:12,491 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:18:12,491 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:18:12,494 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:18:12,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:18:12,531 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) [2024-11-16 17:18:12,535 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 [2024-11-16 17:18:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:18:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:18:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:18:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:18:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:18:12,710 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:18:12,713 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:18:13,416 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L349: havoc property_#t~bitwise32#1; [2024-11-16 17:18:13,465 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-16 17:18:13,466 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:18:13,494 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:18:13,495 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:18:13,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:18:13 BoogieIcfgContainer [2024-11-16 17:18:13,495 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:18:13,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:18:13,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:18:13,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:18:13,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:18:11" (1/3) ... [2024-11-16 17:18:13,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ae6974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:18:13, skipping insertion in model container [2024-11-16 17:18:13,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12" (2/3) ... [2024-11-16 17:18:13,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ae6974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:18:13, skipping insertion in model container [2024-11-16 17:18:13,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:18:13" (3/3) ... [2024-11-16 17:18:13,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-17.i [2024-11-16 17:18:13,523 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:18:13,524 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:18:13,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:18:13,613 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;@6c3e1c0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:18:13,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:18:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 103 states have (on average 1.4563106796116505) internal successors, (150), 104 states have internal predecessors, (150), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-16 17:18:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:13,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:13,644 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:13,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:13,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:13,651 INFO L85 PathProgramCache]: Analyzing trace with hash -867450585, now seen corresponding path program 1 times [2024-11-16 17:18:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608304881] [2024-11-16 17:18:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:14,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:14,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608304881] [2024-11-16 17:18:14,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608304881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:14,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:14,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:18:14,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405758174] [2024-11-16 17:18:14,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:14,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:18:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:14,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:18:14,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:18:14,498 INFO L87 Difference]: Start difference. First operand has 153 states, 103 states have (on average 1.4563106796116505) internal successors, (150), 104 states have internal predecessors, (150), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-16 17:18:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:14,546 INFO L93 Difference]: Finished difference Result 298 states and 528 transitions. [2024-11-16 17:18:14,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:18:14,550 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) Word has length 313 [2024-11-16 17:18:14,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:14,563 INFO L225 Difference]: With dead ends: 298 [2024-11-16 17:18:14,563 INFO L226 Difference]: Without dead ends: 148 [2024-11-16 17:18:14,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:18:14,574 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:14,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:18:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-16 17:18:14,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-16 17:18:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 states have internal predecessors, (142), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-16 17:18:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 236 transitions. [2024-11-16 17:18:14,649 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 236 transitions. Word has length 313 [2024-11-16 17:18:14,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:14,652 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 236 transitions. [2024-11-16 17:18:14,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-16 17:18:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 236 transitions. [2024-11-16 17:18:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:14,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:14,661 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:14,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:18:14,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:14,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:14,662 INFO L85 PathProgramCache]: Analyzing trace with hash -766464414, now seen corresponding path program 1 times [2024-11-16 17:18:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:14,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160411664] [2024-11-16 17:18:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:14,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:15,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:15,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160411664] [2024-11-16 17:18:15,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160411664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:15,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:15,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:15,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259643193] [2024-11-16 17:18:15,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:15,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:15,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:15,572 INFO L87 Difference]: Start difference. First operand 148 states and 236 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-16 17:18:15,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:15,713 INFO L93 Difference]: Finished difference Result 438 states and 702 transitions. [2024-11-16 17:18:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:15,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 313 [2024-11-16 17:18:15,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:15,722 INFO L225 Difference]: With dead ends: 438 [2024-11-16 17:18:15,723 INFO L226 Difference]: Without dead ends: 293 [2024-11-16 17:18:15,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:15,728 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 228 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:15,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 636 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-16 17:18:15,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 157. [2024-11-16 17:18:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 108 states have (on average 1.4351851851851851) internal successors, (155), 108 states have internal predecessors, (155), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-16 17:18:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 249 transitions. [2024-11-16 17:18:15,768 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 249 transitions. Word has length 313 [2024-11-16 17:18:15,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:15,771 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 249 transitions. [2024-11-16 17:18:15,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-16 17:18:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2024-11-16 17:18:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:15,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:15,781 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:15,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:18:15,781 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:15,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1610936285, now seen corresponding path program 1 times [2024-11-16 17:18:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:15,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167459722] [2024-11-16 17:18:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:27,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:27,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167459722] [2024-11-16 17:18:27,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167459722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:27,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:27,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 17:18:27,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896360215] [2024-11-16 17:18:27,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:27,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 17:18:27,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:27,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 17:18:27,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-16 17:18:27,620 INFO L87 Difference]: Start difference. First operand 157 states and 249 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-16 17:18:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:31,036 INFO L93 Difference]: Finished difference Result 712 states and 1131 transitions. [2024-11-16 17:18:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 17:18:31,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 313 [2024-11-16 17:18:31,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:31,041 INFO L225 Difference]: With dead ends: 712 [2024-11-16 17:18:31,044 INFO L226 Difference]: Without dead ends: 558 [2024-11-16 17:18:31,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-11-16 17:18:31,046 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1134 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:31,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 1428 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 17:18:31,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-16 17:18:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 303. [2024-11-16 17:18:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.4320388349514563) internal successors, (295), 206 states have internal predecessors, (295), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-16 17:18:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 483 transitions. [2024-11-16 17:18:31,102 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 483 transitions. Word has length 313 [2024-11-16 17:18:31,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:31,104 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 483 transitions. [2024-11-16 17:18:31,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-16 17:18:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 483 transitions. [2024-11-16 17:18:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:31,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:31,110 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:31,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 17:18:31,111 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:31,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:31,112 INFO L85 PathProgramCache]: Analyzing trace with hash 606821668, now seen corresponding path program 1 times [2024-11-16 17:18:31,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:31,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715097476] [2024-11-16 17:18:31,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:31,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:31,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:31,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715097476] [2024-11-16 17:18:31,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715097476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:31,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:31,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:18:31,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812290441] [2024-11-16 17:18:31,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:31,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:18:31,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:31,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:18:31,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:18:31,649 INFO L87 Difference]: Start difference. First operand 303 states and 483 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-16 17:18:32,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:32,235 INFO L93 Difference]: Finished difference Result 712 states and 1129 transitions. [2024-11-16 17:18:32,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:18:32,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 313 [2024-11-16 17:18:32,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:32,243 INFO L225 Difference]: With dead ends: 712 [2024-11-16 17:18:32,243 INFO L226 Difference]: Without dead ends: 558 [2024-11-16 17:18:32,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:18:32,247 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 255 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:32,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1040 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 17:18:32,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-16 17:18:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 551. [2024-11-16 17:18:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 360 states have (on average 1.4) internal successors, (504), 361 states have internal predecessors, (504), 185 states have call successors, (185), 5 states have call predecessors, (185), 5 states have return successors, (185), 184 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-16 17:18:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 874 transitions. [2024-11-16 17:18:32,314 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 874 transitions. Word has length 313 [2024-11-16 17:18:32,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:32,317 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 874 transitions. [2024-11-16 17:18:32,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-16 17:18:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 874 transitions. [2024-11-16 17:18:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:32,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:32,321 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:32,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 17:18:32,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:32,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:32,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1190129691, now seen corresponding path program 1 times [2024-11-16 17:18:32,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:32,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480334982] [2024-11-16 17:18:32,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:33,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480334982] [2024-11-16 17:18:33,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480334982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:33,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:33,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 17:18:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509311442] [2024-11-16 17:18:33,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:33,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 17:18:33,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:33,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 17:18:33,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:18:33,829 INFO L87 Difference]: Start difference. First operand 551 states and 874 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-16 17:18:35,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:35,837 INFO L93 Difference]: Finished difference Result 1650 states and 2613 transitions. [2024-11-16 17:18:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 17:18:35,838 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 313 [2024-11-16 17:18:35,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:35,848 INFO L225 Difference]: With dead ends: 1650 [2024-11-16 17:18:35,848 INFO L226 Difference]: Without dead ends: 1252 [2024-11-16 17:18:35,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-16 17:18:35,855 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 693 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:35,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 2084 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 17:18:35,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-11-16 17:18:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 962. [2024-11-16 17:18:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 678 states have (on average 1.4542772861356932) internal successors, (986), 680 states have internal predecessors, (986), 276 states have call successors, (276), 7 states have call predecessors, (276), 7 states have return successors, (276), 274 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-16 17:18:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1538 transitions. [2024-11-16 17:18:36,023 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1538 transitions. Word has length 313 [2024-11-16 17:18:36,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:36,023 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1538 transitions. [2024-11-16 17:18:36,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-16 17:18:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1538 transitions. [2024-11-16 17:18:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:36,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:36,028 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:36,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 17:18:36,029 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:36,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1865672830, now seen corresponding path program 1 times [2024-11-16 17:18:36,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:36,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404018362] [2024-11-16 17:18:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:36,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:44,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:44,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404018362] [2024-11-16 17:18:44,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404018362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:44,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:44,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 17:18:44,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558038428] [2024-11-16 17:18:44,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:44,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 17:18:44,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:44,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 17:18:44,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-16 17:18:44,636 INFO L87 Difference]: Start difference. First operand 962 states and 1538 transitions. Second operand has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 3 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-16 17:18:51,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:51,478 INFO L93 Difference]: Finished difference Result 1982 states and 3108 transitions. [2024-11-16 17:18:51,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 17:18:51,479 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 3 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 313 [2024-11-16 17:18:51,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:51,487 INFO L225 Difference]: With dead ends: 1982 [2024-11-16 17:18:51,488 INFO L226 Difference]: Without dead ends: 1828 [2024-11-16 17:18:51,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2024-11-16 17:18:51,490 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1943 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:51,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 1918 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-16 17:18:51,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2024-11-16 17:18:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1016. [2024-11-16 17:18:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 732 states have (on average 1.4685792349726776) internal successors, (1075), 734 states have internal predecessors, (1075), 276 states have call successors, (276), 7 states have call predecessors, (276), 7 states have return successors, (276), 274 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-16 17:18:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1627 transitions. [2024-11-16 17:18:51,594 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1627 transitions. Word has length 313 [2024-11-16 17:18:51,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:51,595 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1627 transitions. [2024-11-16 17:18:51,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 3 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-16 17:18:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1627 transitions. [2024-11-16 17:18:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:18:51,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:51,598 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:51,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 17:18:51,599 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:51,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash 21867714, now seen corresponding path program 1 times [2024-11-16 17:18:51,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:51,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186405980] [2024-11-16 17:18:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:18:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:18:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:18:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:18:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:18:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:18:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:18:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:18:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:18:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:18:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:18:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:18:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:18:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:18:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:18:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:18:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:18:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:18:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:18:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:18:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:18:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:18:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:18:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:18:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:18:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:18:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:18:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:18:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:18:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:18:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:18:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:18:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:18:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:18:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:18:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:18:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:18:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:18:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:18:58,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:58,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186405980] [2024-11-16 17:18:58,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186405980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:58,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:58,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 17:18:58,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979989945] [2024-11-16 17:18:58,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:58,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 17:18:58,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:58,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 17:18:58,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-16 17:18:58,327 INFO L87 Difference]: Start difference. First operand 1016 states and 1627 transitions. Second operand has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-16 17:19:06,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:19:06,049 INFO L93 Difference]: Finished difference Result 3372 states and 5315 transitions. [2024-11-16 17:19:06,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 17:19:06,050 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 313 [2024-11-16 17:19:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:19:06,065 INFO L225 Difference]: With dead ends: 3372 [2024-11-16 17:19:06,066 INFO L226 Difference]: Without dead ends: 3218 [2024-11-16 17:19:06,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2024-11-16 17:19:06,071 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 2561 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 3038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:19:06,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 2636 Invalid, 3038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-16 17:19:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2024-11-16 17:19:06,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 2269. [2024-11-16 17:19:06,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 1652 states have (on average 1.460048426150121) internal successors, (2412), 1662 states have internal predecessors, (2412), 597 states have call successors, (597), 19 states have call predecessors, (597), 19 states have return successors, (597), 587 states have call predecessors, (597), 597 states have call successors, (597) [2024-11-16 17:19:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3606 transitions. [2024-11-16 17:19:06,424 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3606 transitions. Word has length 313 [2024-11-16 17:19:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:19:06,426 INFO L471 AbstractCegarLoop]: Abstraction has 2269 states and 3606 transitions. [2024-11-16 17:19:06,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-16 17:19:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3606 transitions. [2024-11-16 17:19:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-16 17:19:06,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:19:06,429 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:19:06,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 17:19:06,430 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:19:06,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:19:06,430 INFO L85 PathProgramCache]: Analyzing trace with hash -232868831, now seen corresponding path program 1 times [2024-11-16 17:19:06,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:19:06,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963777574] [2024-11-16 17:19:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:19:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:19:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:19:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:19:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:19:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:19:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:19:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:19:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:19:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 17:19:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 17:19:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 17:19:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 17:19:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:19:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:19:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 17:19:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:19:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 17:19:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:19:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 17:19:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:19:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 17:19:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:19:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 17:19:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:19:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 17:19:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:19:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 17:19:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:19:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:19:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:19:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:19:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:19:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 17:19:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:19:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 17:19:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:19:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 17:19:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:19:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:19:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 17:19:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:19:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 17:19:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 17:19:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 17:19:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 17:19:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-16 17:19:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 17:19:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-16 17:19:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-16 17:19:15,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:19:15,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963777574] [2024-11-16 17:19:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963777574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:19:15,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:19:15,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 17:19:15,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322940305] [2024-11-16 17:19:15,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:19:15,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 17:19:15,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:19:15,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 17:19:15,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-16 17:19:15,663 INFO L87 Difference]: Start difference. First operand 2269 states and 3606 transitions. Second operand has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 4 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47)