./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.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_fillercode_fillercodestructure_filler-ps-ci_file-86.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 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:00:26,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:00:26,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:00:26,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:00:26,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:00:26,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:00:26,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:00:26,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:00:26,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:00:26,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:00:26,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:00:26,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:00:26,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:00:26,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:00:26,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:00:26,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:00:26,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:00:26,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:00:26,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:00:26,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:00:26,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:00:26,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:00:26,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:00:26,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:00:26,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:00:26,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:00:26,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:00:26,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:00:26,308 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:00:26,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:00:26,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:00:26,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:00:26,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:00:26,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:00:26,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:00:26,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:00:26,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:00:26,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:00:26,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:00:26,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:00:26,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:00:26,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:00:26,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 [2024-11-16 15:00:26,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:00:26,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:00:26,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:00:26,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:00:26,609 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:00:26,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-16 15:00:28,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:00:28,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:00:28,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-16 15:00:28,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2032b46aa/8838a0a1d2124ca69f62dd6d2ae1548e/FLAGe2467270c [2024-11-16 15:00:28,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2032b46aa/8838a0a1d2124ca69f62dd6d2ae1548e [2024-11-16 15:00:28,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:00:28,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:00:28,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:00:28,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:00:28,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:00:28,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0b66f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28, skipping insertion in model container [2024-11-16 15:00:28,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:00:28,549 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_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-16 15:00:28,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:00:28,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:00:28,635 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_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-16 15:00:28,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:00:28,698 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:00:28,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28 WrapperNode [2024-11-16 15:00:28,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:00:28,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:00:28,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:00:28,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:00:28,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,772 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2024-11-16 15:00:28,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:00:28,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:00:28,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:00:28,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:00:28,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,814 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 15:00:28,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:00:28,863 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:00:28,864 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:00:28,864 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:00:28,865 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (1/1) ... [2024-11-16 15:00:28,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:00:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:00:28,899 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 15:00:28,902 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 15:00:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:00:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:00:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:00:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:00:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:00:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:00:29,093 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:00:29,095 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:00:29,572 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-16 15:00:29,572 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:00:29,599 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:00:29,599 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:00:29,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:00:29 BoogieIcfgContainer [2024-11-16 15:00:29,600 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:00:29,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:00:29,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:00:29,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:00:29,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:00:28" (1/3) ... [2024-11-16 15:00:29,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782a784b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:00:29, skipping insertion in model container [2024-11-16 15:00:29,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:00:28" (2/3) ... [2024-11-16 15:00:29,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782a784b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:00:29, skipping insertion in model container [2024-11-16 15:00:29,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:00:29" (3/3) ... [2024-11-16 15:00:29,613 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-16 15:00:29,632 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:00:29,632 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:00:29,694 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:00:29,705 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;@241c625f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:00:29,706 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:00:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 72 states have internal predecessors, (104), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 15:00:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 15:00:29,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:29,728 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:29,728 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:29,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:29,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2124305891, now seen corresponding path program 1 times [2024-11-16 15:00:29,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:29,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181329117] [2024-11-16 15:00:29,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:30,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:30,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181329117] [2024-11-16 15:00:30,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181329117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:30,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:30,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:00:30,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572855589] [2024-11-16 15:00:30,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:30,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:00:30,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:30,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:00:30,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:00:30,350 INFO L87 Difference]: Start difference. First operand has 101 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 72 states have internal predecessors, (104), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 15:00:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:30,398 INFO L93 Difference]: Finished difference Result 194 states and 336 transitions. [2024-11-16 15:00:30,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:00:30,404 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-16 15:00:30,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:30,414 INFO L225 Difference]: With dead ends: 194 [2024-11-16 15:00:30,415 INFO L226 Difference]: Without dead ends: 96 [2024-11-16 15:00:30,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 15:00:30,426 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:30,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:00:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-16 15:00:30,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-16 15:00:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 15:00:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 149 transitions. [2024-11-16 15:00:30,476 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 149 transitions. Word has length 177 [2024-11-16 15:00:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:30,476 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 149 transitions. [2024-11-16 15:00:30,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 15:00:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2024-11-16 15:00:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 15:00:30,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:30,483 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:30,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:00:30,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:30,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:30,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2141654116, now seen corresponding path program 1 times [2024-11-16 15:00:30,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:30,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253872303] [2024-11-16 15:00:30,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:30,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:30,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:30,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253872303] [2024-11-16 15:00:30,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253872303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:30,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:30,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:00:30,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674355980] [2024-11-16 15:00:30,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:30,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:00:30,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:30,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:00:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:00:30,950 INFO L87 Difference]: Start difference. First operand 96 states and 149 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:31,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:31,028 INFO L93 Difference]: Finished difference Result 190 states and 297 transitions. [2024-11-16 15:00:31,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:00:31,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 15:00:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:31,035 INFO L225 Difference]: With dead ends: 190 [2024-11-16 15:00:31,035 INFO L226 Difference]: Without dead ends: 97 [2024-11-16 15:00:31,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 15:00:31,043 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:31,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:00:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-16 15:00:31,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-16 15:00:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 15:00:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 150 transitions. [2024-11-16 15:00:31,109 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 150 transitions. Word has length 177 [2024-11-16 15:00:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:31,112 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 150 transitions. [2024-11-16 15:00:31,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2024-11-16 15:00:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 15:00:31,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:31,118 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:31,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:00:31,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:31,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:31,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1308841309, now seen corresponding path program 1 times [2024-11-16 15:00:31,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:31,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606398063] [2024-11-16 15:00:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:31,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:31,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:31,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606398063] [2024-11-16 15:00:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606398063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:31,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:31,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:00:31,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391391752] [2024-11-16 15:00:31,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:31,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:00:31,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:31,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:00:31,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:00:31,567 INFO L87 Difference]: Start difference. First operand 97 states and 150 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:31,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:31,855 INFO L93 Difference]: Finished difference Result 287 states and 446 transitions. [2024-11-16 15:00:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:00:31,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 15:00:31,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:31,860 INFO L225 Difference]: With dead ends: 287 [2024-11-16 15:00:31,862 INFO L226 Difference]: Without dead ends: 193 [2024-11-16 15:00:31,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:00:31,864 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 152 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:31,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 495 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:00:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-16 15:00:31,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 171. [2024-11-16 15:00:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.394736842105263) internal successors, (159), 114 states have internal predecessors, (159), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 15:00:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 267 transitions. [2024-11-16 15:00:31,896 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 267 transitions. Word has length 177 [2024-11-16 15:00:31,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:31,898 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 267 transitions. [2024-11-16 15:00:31,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 267 transitions. [2024-11-16 15:00:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 15:00:31,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:31,901 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:31,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:00:31,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:31,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:31,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1478574178, now seen corresponding path program 1 times [2024-11-16 15:00:31,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:31,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183570712] [2024-11-16 15:00:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:31,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:37,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:38,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:38,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:38,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183570712] [2024-11-16 15:00:38,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183570712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:38,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:38,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 15:00:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707947637] [2024-11-16 15:00:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:38,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 15:00:38,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 15:00:38,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:00:38,025 INFO L87 Difference]: Start difference. First operand 171 states and 267 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:41,286 INFO L93 Difference]: Finished difference Result 350 states and 529 transitions. [2024-11-16 15:00:41,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 15:00:41,288 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 15:00:41,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:41,291 INFO L225 Difference]: With dead ends: 350 [2024-11-16 15:00:41,294 INFO L226 Difference]: Without dead ends: 256 [2024-11-16 15:00:41,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-16 15:00:41,297 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 414 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:41,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 853 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 15:00:41,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-16 15:00:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 188. [2024-11-16 15:00:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.3893129770992367) internal successors, (182), 131 states have internal predecessors, (182), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 15:00:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 290 transitions. [2024-11-16 15:00:41,324 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 290 transitions. Word has length 177 [2024-11-16 15:00:41,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:41,325 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 290 transitions. [2024-11-16 15:00:41,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 290 transitions. [2024-11-16 15:00:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 15:00:41,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:41,331 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:41,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:00:41,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:41,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:41,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1349491459, now seen corresponding path program 1 times [2024-11-16 15:00:41,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:41,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066789354] [2024-11-16 15:00:41,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:41,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:41,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:41,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066789354] [2024-11-16 15:00:41,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066789354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:41,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:41,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:00:41,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198670269] [2024-11-16 15:00:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:41,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:00:41,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:41,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:00:41,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:00:41,454 INFO L87 Difference]: Start difference. First operand 188 states and 290 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:41,504 INFO L93 Difference]: Finished difference Result 375 states and 582 transitions. [2024-11-16 15:00:41,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:00:41,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 15:00:41,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:41,507 INFO L225 Difference]: With dead ends: 375 [2024-11-16 15:00:41,508 INFO L226 Difference]: Without dead ends: 281 [2024-11-16 15:00:41,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 15:00:41,509 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 141 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:41,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 291 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:00:41,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-16 15:00:41,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 278. [2024-11-16 15:00:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:00:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 430 transitions. [2024-11-16 15:00:41,531 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 430 transitions. Word has length 177 [2024-11-16 15:00:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:41,532 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 430 transitions. [2024-11-16 15:00:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 430 transitions. [2024-11-16 15:00:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 15:00:41,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:41,534 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:41,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:00:41,535 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:41,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash -164449590, now seen corresponding path program 1 times [2024-11-16 15:00:41,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:41,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651335523] [2024-11-16 15:00:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:41,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:48,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:48,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651335523] [2024-11-16 15:00:48,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651335523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:48,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:48,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 15:00:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084855985] [2024-11-16 15:00:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:48,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 15:00:48,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 15:00:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-16 15:00:48,459 INFO L87 Difference]: Start difference. First operand 278 states and 430 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:51,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:51,102 INFO L93 Difference]: Finished difference Result 337 states and 497 transitions. [2024-11-16 15:00:51,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 15:00:51,103 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 15:00:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:51,106 INFO L225 Difference]: With dead ends: 337 [2024-11-16 15:00:51,106 INFO L226 Difference]: Without dead ends: 334 [2024-11-16 15:00:51,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2024-11-16 15:00:51,108 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 313 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:51,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1029 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:00:51,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-16 15:00:51,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 279. [2024-11-16 15:00:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.3865979381443299) internal successors, (269), 194 states have internal predecessors, (269), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:00:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 431 transitions. [2024-11-16 15:00:51,145 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 431 transitions. Word has length 178 [2024-11-16 15:00:51,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:51,147 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 431 transitions. [2024-11-16 15:00:51,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:00:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 431 transitions. [2024-11-16 15:00:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 15:00:51,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:51,149 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:51,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:00:51,149 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:51,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1242317779, now seen corresponding path program 1 times [2024-11-16 15:00:51,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:51,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843089725] [2024-11-16 15:00:51,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:51,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:00:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:00:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:00:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:00:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:00:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:00:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:00:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:00:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:00:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:00:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:00:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:00:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:00:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:00:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:00:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:00:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:00:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:00:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:00:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:00:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:00:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:00:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:00:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:00:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:00:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:00:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:00:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:00:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:00:51,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:00:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843089725] [2024-11-16 15:00:51,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843089725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:00:51,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:00:51,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:00:51,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111241961] [2024-11-16 15:00:51,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:00:51,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:00:51,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:00:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:00:51,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:00:51,665 INFO L87 Difference]: Start difference. First operand 279 states and 431 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-16 15:00:51,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:00:51,738 INFO L93 Difference]: Finished difference Result 474 states and 733 transitions. [2024-11-16 15:00:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:00:51,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 178 [2024-11-16 15:00:51,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:00:51,742 INFO L225 Difference]: With dead ends: 474 [2024-11-16 15:00:51,742 INFO L226 Difference]: Without dead ends: 287 [2024-11-16 15:00:51,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:00:51,746 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 155 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:00:51,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 256 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:00:51,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-16 15:00:51,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2024-11-16 15:00:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.3711340206185567) internal successors, (266), 194 states have internal predecessors, (266), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:00:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 428 transitions. [2024-11-16 15:00:51,766 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 428 transitions. Word has length 178 [2024-11-16 15:00:51,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:00:51,770 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 428 transitions. [2024-11-16 15:00:51,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-16 15:00:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 428 transitions. [2024-11-16 15:00:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 15:00:51,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:00:51,772 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:51,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:00:51,772 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:00:51,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:00:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash 500492556, now seen corresponding path program 1 times [2024-11-16 15:00:51,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:00:51,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286364908] [2024-11-16 15:00:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:00:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:00:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:01:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:01:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:01:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:01:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:01:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:01:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:01:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:01:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:01:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:01:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:01:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:01:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:01:00,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:00,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286364908] [2024-11-16 15:01:00,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286364908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:00,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:00,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 15:01:00,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308136703] [2024-11-16 15:01:00,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:00,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 15:01:00,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:00,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 15:01:00,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-16 15:01:00,190 INFO L87 Difference]: Start difference. First operand 279 states and 428 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:05,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:05,036 INFO L93 Difference]: Finished difference Result 337 states and 492 transitions. [2024-11-16 15:01:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 15:01:05,038 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 15:01:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:05,041 INFO L225 Difference]: With dead ends: 337 [2024-11-16 15:01:05,041 INFO L226 Difference]: Without dead ends: 334 [2024-11-16 15:01:05,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2024-11-16 15:01:05,044 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 298 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:05,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1025 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 15:01:05,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-16 15:01:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 279. [2024-11-16 15:01:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.3711340206185567) internal successors, (266), 194 states have internal predecessors, (266), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:01:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 428 transitions. [2024-11-16 15:01:05,069 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 428 transitions. Word has length 178 [2024-11-16 15:01:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:05,070 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 428 transitions. [2024-11-16 15:01:05,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 428 transitions. [2024-11-16 15:01:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 15:01:05,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:05,072 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:05,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 15:01:05,072 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:05,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash 809419566, now seen corresponding path program 1 times [2024-11-16 15:01:05,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:05,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807828139] [2024-11-16 15:01:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:05,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:01:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:01:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:01:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:01:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:01:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:01:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:01:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:01:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:01:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:01:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:01:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:01:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:01:05,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807828139] [2024-11-16 15:01:05,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807828139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:05,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:05,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:01:05,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740984905] [2024-11-16 15:01:05,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:05,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:01:05,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:05,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:01:05,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:01:05,333 INFO L87 Difference]: Start difference. First operand 279 states and 428 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:05,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:05,405 INFO L93 Difference]: Finished difference Result 620 states and 943 transitions. [2024-11-16 15:01:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:01:05,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 15:01:05,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:05,410 INFO L225 Difference]: With dead ends: 620 [2024-11-16 15:01:05,410 INFO L226 Difference]: Without dead ends: 436 [2024-11-16 15:01:05,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:01:05,413 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 99 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:05,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 345 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:01:05,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-16 15:01:05,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 372. [2024-11-16 15:01:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 287 states have (on average 1.4425087108013936) internal successors, (414), 287 states have internal predecessors, (414), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:01:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 576 transitions. [2024-11-16 15:01:05,446 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 576 transitions. Word has length 178 [2024-11-16 15:01:05,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:05,447 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 576 transitions. [2024-11-16 15:01:05,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 576 transitions. [2024-11-16 15:01:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 15:01:05,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:05,449 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:05,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 15:01:05,450 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:05,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:05,450 INFO L85 PathProgramCache]: Analyzing trace with hash 742412813, now seen corresponding path program 1 times [2024-11-16 15:01:05,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629106663] [2024-11-16 15:01:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:01:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:01:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:01:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:01:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:01:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:01:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:01:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:01:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:01:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:01:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:01:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:01:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:01:11,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:11,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629106663] [2024-11-16 15:01:11,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629106663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:11,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:11,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 15:01:11,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949507182] [2024-11-16 15:01:11,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:11,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 15:01:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:11,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 15:01:11,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-16 15:01:11,577 INFO L87 Difference]: Start difference. First operand 372 states and 576 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:14,965 INFO L93 Difference]: Finished difference Result 713 states and 1070 transitions. [2024-11-16 15:01:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 15:01:14,966 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 15:01:14,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:14,970 INFO L225 Difference]: With dead ends: 713 [2024-11-16 15:01:14,970 INFO L226 Difference]: Without dead ends: 451 [2024-11-16 15:01:14,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2024-11-16 15:01:14,972 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 383 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:14,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1344 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 15:01:14,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-16 15:01:14,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 383. [2024-11-16 15:01:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 298 states have (on average 1.4328859060402686) internal successors, (427), 298 states have internal predecessors, (427), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:01:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 589 transitions. [2024-11-16 15:01:15,000 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 589 transitions. Word has length 178 [2024-11-16 15:01:15,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:15,001 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 589 transitions. [2024-11-16 15:01:15,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 589 transitions. [2024-11-16 15:01:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 15:01:15,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:15,003 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:15,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 15:01:15,004 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:15,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:15,004 INFO L85 PathProgramCache]: Analyzing trace with hash 545899308, now seen corresponding path program 1 times [2024-11-16 15:01:15,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:15,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584741824] [2024-11-16 15:01:15,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:15,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:01:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:01:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:01:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:01:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:01:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:01:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:01:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:01:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:01:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:01:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:01:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:01:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:01:19,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:19,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584741824] [2024-11-16 15:01:19,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584741824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:19,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:19,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 15:01:19,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217544512] [2024-11-16 15:01:19,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:19,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 15:01:19,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:19,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 15:01:19,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:01:19,736 INFO L87 Difference]: Start difference. First operand 383 states and 589 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:23,853 INFO L93 Difference]: Finished difference Result 446 states and 659 transitions. [2024-11-16 15:01:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 15:01:23,854 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 15:01:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:23,857 INFO L225 Difference]: With dead ends: 446 [2024-11-16 15:01:23,857 INFO L226 Difference]: Without dead ends: 443 [2024-11-16 15:01:23,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-16 15:01:23,859 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 371 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:23,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1517 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 15:01:23,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-16 15:01:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 383. [2024-11-16 15:01:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 298 states have (on average 1.4328859060402686) internal successors, (427), 298 states have internal predecessors, (427), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:01:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 589 transitions. [2024-11-16 15:01:23,887 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 589 transitions. Word has length 178 [2024-11-16 15:01:23,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:23,889 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 589 transitions. [2024-11-16 15:01:23,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 589 transitions. [2024-11-16 15:01:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 15:01:23,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:23,891 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:23,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 15:01:23,891 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:23,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:23,892 INFO L85 PathProgramCache]: Analyzing trace with hash 597636800, now seen corresponding path program 1 times [2024-11-16 15:01:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:23,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831963062] [2024-11-16 15:01:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:23,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:01:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:01:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:01:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:01:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:01:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:01:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:01:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:01:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:01:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:01:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 15:01:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 15:01:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 15:01:33,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831963062] [2024-11-16 15:01:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831963062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:33,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:33,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 15:01:33,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902905268] [2024-11-16 15:01:33,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:33,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 15:01:33,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:33,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 15:01:33,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:01:33,284 INFO L87 Difference]: Start difference. First operand 383 states and 589 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:39,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:39,465 INFO L93 Difference]: Finished difference Result 476 states and 695 transitions. [2024-11-16 15:01:39,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 15:01:39,466 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179 [2024-11-16 15:01:39,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:39,468 INFO L225 Difference]: With dead ends: 476 [2024-11-16 15:01:39,469 INFO L226 Difference]: Without dead ends: 473 [2024-11-16 15:01:39,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=318, Invalid=804, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 15:01:39,471 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 271 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:39,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 988 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 15:01:39,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-16 15:01:39,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 387. [2024-11-16 15:01:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 302 states have (on average 1.4304635761589404) internal successors, (432), 302 states have internal predecessors, (432), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 15:01:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 594 transitions. [2024-11-16 15:01:39,505 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 594 transitions. Word has length 179 [2024-11-16 15:01:39,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:39,506 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 594 transitions. [2024-11-16 15:01:39,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 15:01:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 594 transitions. [2024-11-16 15:01:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 15:01:39,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:39,509 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:39,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 15:01:39,509 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:39,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:39,510 INFO L85 PathProgramCache]: Analyzing trace with hash 401123295, now seen corresponding path program 1 times [2024-11-16 15:01:39,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:39,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468273308] [2024-11-16 15:01:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:39,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat