./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.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 f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:28:20,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:28:20,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:28:21,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:28:21,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:28:21,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:28:21,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:28:21,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:28:21,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:28:21,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:28:21,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:28:21,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:28:21,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:28:21,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:28:21,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:28:21,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:28:21,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:28:21,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:28:21,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:28:21,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:28:21,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:28:21,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:28:21,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:28:21,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:28:21,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:28:21,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:28:21,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:28:21,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:28:21,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:28:21,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:28:21,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:28:21,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:28:21,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:28:21,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:28:21,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:28:21,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:28:21,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:28:21,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:28:21,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:28:21,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:28:21,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:28:21,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:28:21,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 [2024-11-12 01:28:21,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:28:21,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:28:21,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:28:21,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:28:21,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:28:21,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-11-12 01:28:22,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:28:22,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:28:22,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-11-12 01:28:22,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9dc83494/c27df894aea24a80aa1fce9bd35efbb5/FLAGa3cb7d400 [2024-11-12 01:28:22,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9dc83494/c27df894aea24a80aa1fce9bd35efbb5 [2024-11-12 01:28:22,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:28:22,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:28:22,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:28:22,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:28:22,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:28:22,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:28:22" (1/1) ... [2024-11-12 01:28:22,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@989141e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:22, skipping insertion in model container [2024-11-12 01:28:22,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:28:22" (1/1) ... [2024-11-12 01:28:22,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:28:23,016 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_codestructure_steplocals_file-64.i[917,930] [2024-11-12 01:28:23,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:28:23,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:28:23,098 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_codestructure_steplocals_file-64.i[917,930] [2024-11-12 01:28:23,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:28:23,152 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:28:23,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23 WrapperNode [2024-11-12 01:28:23,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:28:23,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:28:23,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:28:23,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:28:23,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,204 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2024-11-12 01:28:23,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:28:23,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:28:23,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:28:23,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:28:23,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,242 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:28:23,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:28:23,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:28:23,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:28:23,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:28:23,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (1/1) ... [2024-11-12 01:28:23,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:28:23,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:28:23,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:28:23,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:28:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:28:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:28:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:28:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:28:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:28:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:28:23,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:28:23,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:28:23,749 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 01:28:23,750 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:28:23,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:28:23,769 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:28:23,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:28:23 BoogieIcfgContainer [2024-11-12 01:28:23,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:28:23,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:28:23,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:28:23,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:28:23,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:28:22" (1/3) ... [2024-11-12 01:28:23,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b693040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:28:23, skipping insertion in model container [2024-11-12 01:28:23,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:28:23" (2/3) ... [2024-11-12 01:28:23,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b693040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:28:23, skipping insertion in model container [2024-11-12 01:28:23,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:28:23" (3/3) ... [2024-11-12 01:28:23,781 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-64.i [2024-11-12 01:28:23,796 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:28:23,797 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:28:23,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:28:23,870 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;@5c5ca961, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:28:23,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:28:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 58 states have internal predecessors, (74), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 01:28:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-12 01:28:23,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:28:23,898 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:28:23,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:28:23,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:28:23,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1327010774, now seen corresponding path program 1 times [2024-11-12 01:28:23,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:28:23,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838486390] [2024-11-12 01:28:23,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:28:23,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:28:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:28:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:28:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:28:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:28:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:28:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:28:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:28:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:28:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:28:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:28:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:28:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:28:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:28:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:28:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:28:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:28:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:28:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:28:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:28:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:28:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:28:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:28:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:28:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:28:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:28:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:28:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:28:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:28:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:28:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:28:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:28:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:28:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:28:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:28:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:28:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 01:28:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:28:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 01:28:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:28:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 01:28:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:28:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 01:28:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:28:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:28:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 01:28:24,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:28:24,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838486390] [2024-11-12 01:28:24,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838486390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:28:24,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:28:24,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:28:24,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644013175] [2024-11-12 01:28:24,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:28:24,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:28:24,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:28:24,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:28:24,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:28:24,424 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 58 states have internal predecessors, (74), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 01:28:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:28:24,450 INFO L93 Difference]: Finished difference Result 201 states and 362 transitions. [2024-11-12 01:28:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:28:24,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 264 [2024-11-12 01:28:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:28:24,459 INFO L225 Difference]: With dead ends: 201 [2024-11-12 01:28:24,461 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 01:28:24,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:28:24,470 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:28:24,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:28:24,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 01:28:24,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 01:28:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 01:28:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 155 transitions. [2024-11-12 01:28:24,525 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 155 transitions. Word has length 264 [2024-11-12 01:28:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:28:24,526 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 155 transitions. [2024-11-12 01:28:24,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 01:28:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2024-11-12 01:28:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-12 01:28:24,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:28:24,530 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:28:24,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:28:24,530 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:28:24,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:28:24,531 INFO L85 PathProgramCache]: Analyzing trace with hash -772451286, now seen corresponding path program 1 times [2024-11-12 01:28:24,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:28:24,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835541885] [2024-11-12 01:28:24,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:28:24,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:28:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:28:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:28:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:28:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:28:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:28:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:28:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:28:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:28:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:28:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:28:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:28:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:28:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:28:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:28:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:28:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:28:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:28:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:28:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:28:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:28:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:28:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:28:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:28:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:28:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:28:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:28:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:28:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:28:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:28:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:28:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:28:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:28:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:28:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:28:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:28:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 01:28:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:28:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 01:28:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:28:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 01:28:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:28:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 01:28:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:28:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:28:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 01:28:25,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:28:25,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835541885] [2024-11-12 01:28:25,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835541885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:28:25,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:28:25,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:28:25,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235444544] [2024-11-12 01:28:25,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:28:25,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:28:25,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:28:25,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:28:25,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:28:25,154 INFO L87 Difference]: Start difference. First operand 100 states and 155 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:25,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:28:25,323 INFO L93 Difference]: Finished difference Result 245 states and 373 transitions. [2024-11-12 01:28:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 01:28:25,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-12 01:28:25,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:28:25,326 INFO L225 Difference]: With dead ends: 245 [2024-11-12 01:28:25,327 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:28:25,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 01:28:25,328 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 55 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:28:25,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 541 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:28:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:28:25,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2024-11-12 01:28:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 01:28:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-11-12 01:28:25,341 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 264 [2024-11-12 01:28:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:28:25,342 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-11-12 01:28:25,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-11-12 01:28:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-12 01:28:25,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:28:25,345 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:28:25,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:28:25,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:28:25,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:28:25,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1793519640, now seen corresponding path program 1 times [2024-11-12 01:28:25,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:28:25,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376317927] [2024-11-12 01:28:25,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:28:25,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:28:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:28:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:28:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:28:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:28:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:28:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:28:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:28:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:28:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:28:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:28:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:28:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:28:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:28:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:28:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:28:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:28:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:28:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:28:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:28:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:28:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:28:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:28:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:28:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:28:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:28:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:28:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:28:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:28:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:28:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:28:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:28:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:28:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:28:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:28:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:28:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 01:28:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:28:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 01:28:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:28:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 01:28:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:28:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 01:28:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:28:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:28:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 01:28:26,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:28:26,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376317927] [2024-11-12 01:28:26,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376317927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:28:26,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:28:26,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:28:26,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611826909] [2024-11-12 01:28:26,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:28:26,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:28:26,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:28:26,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:28:26,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:28:26,474 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:26,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:28:26,699 INFO L93 Difference]: Finished difference Result 258 states and 392 transitions. [2024-11-12 01:28:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 01:28:26,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-12 01:28:26,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:28:26,702 INFO L225 Difference]: With dead ends: 258 [2024-11-12 01:28:26,702 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:28:26,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 01:28:26,707 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 54 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:28:26,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 570 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 01:28:26,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:28:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2024-11-12 01:28:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 01:28:26,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-11-12 01:28:26,724 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 264 [2024-11-12 01:28:26,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:28:26,728 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-11-12 01:28:26,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-11-12 01:28:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-12 01:28:26,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:28:26,730 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:28:26,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:28:26,732 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:28:26,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:28:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1674785578, now seen corresponding path program 1 times [2024-11-12 01:28:26,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:28:26,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159828162] [2024-11-12 01:28:26,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:28:26,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:28:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:28:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:28:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:28:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:28:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:28:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:28:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:28:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:28:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:28:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:28:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:28:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:28:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:28:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:28:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:28:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:28:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:28:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:28:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:28:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:28:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:28:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:28:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:28:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:28:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:28:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:28:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:28:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:28:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:28:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:28:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:28:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:26,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:28:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:28:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:28:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:28:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 01:28:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:28:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 01:28:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:28:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 01:28:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:28:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 01:28:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:28:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:28:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 01:28:27,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:28:27,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159828162] [2024-11-12 01:28:27,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159828162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:28:27,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:28:27,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:28:27,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590877407] [2024-11-12 01:28:27,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:28:27,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:28:27,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:28:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:28:27,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:28:27,025 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:28:27,100 INFO L93 Difference]: Finished difference Result 258 states and 392 transitions. [2024-11-12 01:28:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 01:28:27,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-12 01:28:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:28:27,103 INFO L225 Difference]: With dead ends: 258 [2024-11-12 01:28:27,103 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:28:27,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 01:28:27,104 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 72 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:28:27,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 493 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:28:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:28:27,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2024-11-12 01:28:27,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 01:28:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-11-12 01:28:27,114 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 264 [2024-11-12 01:28:27,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:28:27,115 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-11-12 01:28:27,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-11-12 01:28:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-12 01:28:27,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:28:27,117 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:28:27,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:28:27,118 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:28:27,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:28:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash 653717224, now seen corresponding path program 1 times [2024-11-12 01:28:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:28:27,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510198348] [2024-11-12 01:28:27,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:28:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:28:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:28:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:28:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:28:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:28:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:28:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:28:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:28:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:28:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:28:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:28:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:28:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:28:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:28:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:28:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:28:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:28:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:28:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:28:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:28:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:28:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:28:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:28:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:28:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:28:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:28:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:28:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:28:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:28:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:28:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:28:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:28:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:28:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:28:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:28:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:28:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 01:28:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:28:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 01:28:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:28:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 01:28:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:28:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 01:28:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:28:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 01:28:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:28:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 01:28:27,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:28:27,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510198348] [2024-11-12 01:28:27,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510198348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:28:27,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:28:27,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:28:27,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381565216] [2024-11-12 01:28:27,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:28:27,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:28:27,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:28:27,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:28:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:28:27,372 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:28:27,443 INFO L93 Difference]: Finished difference Result 258 states and 391 transitions. [2024-11-12 01:28:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 01:28:27,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-12 01:28:27,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:28:27,445 INFO L225 Difference]: With dead ends: 258 [2024-11-12 01:28:27,446 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:28:27,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 01:28:27,447 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 56 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:28:27,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 543 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:28:27,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:28:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 100. [2024-11-12 01:28:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 01:28:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-12 01:28:27,466 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 264 [2024-11-12 01:28:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:28:27,466 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-12 01:28:27,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 01:28:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-12 01:28:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-12 01:28:27,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:28:27,469 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:28:27,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 01:28:27,469 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:28:27,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:28:27,470 INFO L85 PathProgramCache]: Analyzing trace with hash 155202213, now seen corresponding path program 1 times [2024-11-12 01:28:27,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:28:27,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241070832] [2024-11-12 01:28:27,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:28:27,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:28:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat