./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.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 5210195513b04a67efdbde16013e554cd917c380644440c8ab9e15436a32073d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:51:48,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:51:48,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:51:48,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:51:48,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:51:48,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:51:48,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:51:48,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:51:48,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:51:48,743 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:51:48,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:51:48,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:51:48,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:51:48,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:51:48,744 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:51:48,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:51:48,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:51:48,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:51:48,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:51:48,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:51:48,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:51:48,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:51:48,748 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:51:48,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:51:48,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:51:48,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:51:48,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:51:48,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:51:48,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:51:48,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:51:48,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5210195513b04a67efdbde16013e554cd917c380644440c8ab9e15436a32073d [2024-11-16 12:51:48,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:51:49,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:51:49,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:51:49,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:51:49,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:51:49,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i [2024-11-16 12:51:50,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:51:50,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:51:50,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i [2024-11-16 12:51:50,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e589beba/45f96b509ade4abcbf7dde05e402df4c/FLAG7aba75862 [2024-11-16 12:51:50,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e589beba/45f96b509ade4abcbf7dde05e402df4c [2024-11-16 12:51:50,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:51:50,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:51:50,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:51:50,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:51:50,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:51:50,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:51:50" (1/1) ... [2024-11-16 12:51:50,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fda6ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:50, skipping insertion in model container [2024-11-16 12:51:50,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:51:50" (1/1) ... [2024-11-16 12:51:50,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:51:50,965 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i[916,929] [2024-11-16 12:51:51,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:51:51,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:51:51,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-66.i[916,929] [2024-11-16 12:51:51,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:51:51,159 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:51:51,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51 WrapperNode [2024-11-16 12:51:51,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:51:51,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:51:51,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:51:51,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:51:51,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,225 INFO L138 Inliner]: procedures = 26, calls = 66, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 309 [2024-11-16 12:51:51,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:51:51,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:51:51,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:51:51,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:51:51,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,271 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 12:51:51,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:51:51,313 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:51:51,314 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:51:51,314 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:51:51,315 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (1/1) ... [2024-11-16 12:51:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:51:51,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:51:51,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 12:51:51,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 12:51:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:51:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:51:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:51:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:51:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:51:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:51:51,504 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:51:51,506 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:51:51,879 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-16 12:51:51,880 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:51:51,900 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:51:51,900 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:51:51,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:51:51 BoogieIcfgContainer [2024-11-16 12:51:51,901 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:51:51,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:51:51,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:51:51,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:51:51,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:51:50" (1/3) ... [2024-11-16 12:51:51,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf1aff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:51:51, skipping insertion in model container [2024-11-16 12:51:51,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:51" (2/3) ... [2024-11-16 12:51:51,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf1aff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:51:51, skipping insertion in model container [2024-11-16 12:51:51,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:51:51" (3/3) ... [2024-11-16 12:51:51,908 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-66.i [2024-11-16 12:51:51,921 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:51:51,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:51:51,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:51:51,977 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;@73d3668, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:51:51,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:51:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 86 states have (on average 1.430232558139535) internal successors, (123), 87 states have internal predecessors, (123), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 12:51:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:51:52,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:51:52,054 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:51:52,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:51:52,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:51:52,066 INFO L85 PathProgramCache]: Analyzing trace with hash -151079102, now seen corresponding path program 1 times [2024-11-16 12:51:52,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:51:52,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062452980] [2024-11-16 12:51:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:51:52,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:51:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:51:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:51:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:51:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:51:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:51:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:51:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:51:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:51:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:51:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:51:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:51:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:51:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:51:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:51:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:51:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:51:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:51:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:51:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:51:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:51:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:51:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:51:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:51:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:51:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:51:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:51:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:51:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:51:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:51:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:51:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:51:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:51:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:51:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:51:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:51:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:51:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:51:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:51:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:51:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:51:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:51:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:51:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:51:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:51:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:51:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:51:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:51:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:51:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:51:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:51:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:51:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:51:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:51:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:51:52,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:51:52,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062452980] [2024-11-16 12:51:52,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062452980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:51:52,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:51:52,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:51:52,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211570794] [2024-11-16 12:51:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:51:52,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:51:52,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:51:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:51:52,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:51:52,838 INFO L87 Difference]: Start difference. First operand has 142 states, 86 states have (on average 1.430232558139535) internal successors, (123), 87 states have internal predecessors, (123), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-16 12:51:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:51:52,893 INFO L93 Difference]: Finished difference Result 276 states and 504 transitions. [2024-11-16 12:51:52,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:51:52,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 2 states have call successors, (53) Word has length 330 [2024-11-16 12:51:52,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:51:52,906 INFO L225 Difference]: With dead ends: 276 [2024-11-16 12:51:52,906 INFO L226 Difference]: Without dead ends: 137 [2024-11-16 12:51:52,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:51:52,916 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:51:52,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:51:52,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-16 12:51:52,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-16 12:51:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.4024390243902438) internal successors, (115), 82 states have internal predecessors, (115), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 12:51:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 221 transitions. [2024-11-16 12:51:52,975 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 221 transitions. Word has length 330 [2024-11-16 12:51:52,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:51:52,975 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 221 transitions. [2024-11-16 12:51:52,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-16 12:51:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2024-11-16 12:51:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:51:52,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:51:52,981 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:51:52,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:51:52,982 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:51:52,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:51:52,982 INFO L85 PathProgramCache]: Analyzing trace with hash 437590659, now seen corresponding path program 1 times [2024-11-16 12:51:52,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:51:52,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761487998] [2024-11-16 12:51:52,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:51:52,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:51:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:51:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:51:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:51:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:51:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:51:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:51:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:51:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:51:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:51:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:51:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:51:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:51:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:51:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:51:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:51:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:51:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:51:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:51:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:51:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:51:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:51:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:51:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:51:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:51:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:51:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:51:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:51:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:51:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:51:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:51:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:51:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:51:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:51:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:51:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:51:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:51:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:51:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:51:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:51:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:51:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:51:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:51:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:51:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:51:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:51:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:51:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:51:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:51:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:51:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:51:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:51:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:51:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:51:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:51:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:51:58,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:51:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761487998] [2024-11-16 12:51:58,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761487998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:51:58,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:51:58,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 12:51:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713963389] [2024-11-16 12:51:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:51:58,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 12:51:58,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:51:58,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 12:51:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:51:58,086 INFO L87 Difference]: Start difference. First operand 137 states and 221 transitions. Second operand has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:51:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:51:59,052 INFO L93 Difference]: Finished difference Result 405 states and 616 transitions. [2024-11-16 12:51:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 12:51:59,053 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:51:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:51:59,056 INFO L225 Difference]: With dead ends: 405 [2024-11-16 12:51:59,056 INFO L226 Difference]: Without dead ends: 271 [2024-11-16 12:51:59,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:51:59,058 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 196 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:51:59,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 2092 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:51:59,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-16 12:51:59,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 183. [2024-11-16 12:51:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 123 states have (on average 1.4146341463414633) internal successors, (174), 124 states have internal predecessors, (174), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-16 12:51:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 288 transitions. [2024-11-16 12:51:59,078 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 288 transitions. Word has length 330 [2024-11-16 12:51:59,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:51:59,079 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 288 transitions. [2024-11-16 12:51:59,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:51:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 288 transitions. [2024-11-16 12:51:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:51:59,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:51:59,085 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:51:59,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:51:59,085 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:51:59,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:51:59,086 INFO L85 PathProgramCache]: Analyzing trace with hash 466219810, now seen corresponding path program 1 times [2024-11-16 12:51:59,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:51:59,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498207035] [2024-11-16 12:51:59,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:51:59,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:51:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:03,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:03,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498207035] [2024-11-16 12:52:03,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498207035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:03,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:03,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 12:52:03,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641048570] [2024-11-16 12:52:03,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:03,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 12:52:03,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:03,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 12:52:03,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-16 12:52:03,208 INFO L87 Difference]: Start difference. First operand 183 states and 288 transitions. Second operand has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:04,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:04,225 INFO L93 Difference]: Finished difference Result 271 states and 390 transitions. [2024-11-16 12:52:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 12:52:04,225 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:04,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:04,229 INFO L225 Difference]: With dead ends: 271 [2024-11-16 12:52:04,232 INFO L226 Difference]: Without dead ends: 268 [2024-11-16 12:52:04,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-16 12:52:04,233 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 235 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:04,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1293 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:52:04,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-16 12:52:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 183. [2024-11-16 12:52:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 123 states have (on average 1.4146341463414633) internal successors, (174), 124 states have internal predecessors, (174), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-16 12:52:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 288 transitions. [2024-11-16 12:52:04,256 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 288 transitions. Word has length 330 [2024-11-16 12:52:04,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:04,257 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 288 transitions. [2024-11-16 12:52:04,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 288 transitions. [2024-11-16 12:52:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:04,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:04,261 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:04,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:52:04,262 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:04,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:04,262 INFO L85 PathProgramCache]: Analyzing trace with hash 241077154, now seen corresponding path program 1 times [2024-11-16 12:52:04,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:04,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774299774] [2024-11-16 12:52:04,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:07,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:07,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774299774] [2024-11-16 12:52:07,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774299774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:07,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:07,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 12:52:07,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253383064] [2024-11-16 12:52:07,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:07,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 12:52:07,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:07,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 12:52:07,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:52:07,724 INFO L87 Difference]: Start difference. First operand 183 states and 288 transitions. Second operand has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:08,442 INFO L93 Difference]: Finished difference Result 279 states and 399 transitions. [2024-11-16 12:52:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 12:52:08,442 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:08,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:08,444 INFO L225 Difference]: With dead ends: 279 [2024-11-16 12:52:08,444 INFO L226 Difference]: Without dead ends: 276 [2024-11-16 12:52:08,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:52:08,445 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 185 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:08,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 1475 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:52:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-16 12:52:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 187. [2024-11-16 12:52:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 127 states have (on average 1.4173228346456692) internal successors, (180), 128 states have internal predecessors, (180), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-16 12:52:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 294 transitions. [2024-11-16 12:52:08,471 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 294 transitions. Word has length 330 [2024-11-16 12:52:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:08,472 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 294 transitions. [2024-11-16 12:52:08,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 294 transitions. [2024-11-16 12:52:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:08,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:08,476 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:08,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:52:08,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:08,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:08,477 INFO L85 PathProgramCache]: Analyzing trace with hash 269706305, now seen corresponding path program 1 times [2024-11-16 12:52:08,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:08,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983500233] [2024-11-16 12:52:08,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:12,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983500233] [2024-11-16 12:52:12,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983500233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:12,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:12,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 12:52:12,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419670814] [2024-11-16 12:52:12,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:12,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 12:52:12,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 12:52:12,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-16 12:52:12,889 INFO L87 Difference]: Start difference. First operand 187 states and 294 transitions. Second operand has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:13,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:13,753 INFO L93 Difference]: Finished difference Result 276 states and 396 transitions. [2024-11-16 12:52:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 12:52:13,754 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:13,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:13,756 INFO L225 Difference]: With dead ends: 276 [2024-11-16 12:52:13,756 INFO L226 Difference]: Without dead ends: 273 [2024-11-16 12:52:13,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-16 12:52:13,757 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 205 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:13,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1530 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:52:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-16 12:52:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 183. [2024-11-16 12:52:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 123 states have (on average 1.4146341463414633) internal successors, (174), 124 states have internal predecessors, (174), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-16 12:52:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 288 transitions. [2024-11-16 12:52:13,771 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 288 transitions. Word has length 330 [2024-11-16 12:52:13,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:13,772 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 288 transitions. [2024-11-16 12:52:13,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 288 transitions. [2024-11-16 12:52:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:13,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:13,774 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:13,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:52:13,774 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:13,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:13,775 INFO L85 PathProgramCache]: Analyzing trace with hash 144187652, now seen corresponding path program 1 times [2024-11-16 12:52:13,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:13,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563953477] [2024-11-16 12:52:13,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:13,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:13,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:13,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563953477] [2024-11-16 12:52:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563953477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:13,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:13,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 12:52:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093681063] [2024-11-16 12:52:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:13,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 12:52:13,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 12:52:13,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:52:13,902 INFO L87 Difference]: Start difference. First operand 183 states and 288 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:13,951 INFO L93 Difference]: Finished difference Result 524 states and 830 transitions. [2024-11-16 12:52:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 12:52:13,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:13,959 INFO L225 Difference]: With dead ends: 524 [2024-11-16 12:52:13,960 INFO L226 Difference]: Without dead ends: 344 [2024-11-16 12:52:13,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:52:13,961 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 208 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:13,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 623 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:52:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-16 12:52:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 341. [2024-11-16 12:52:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 222 states have (on average 1.3738738738738738) internal successors, (305), 224 states have internal predecessors, (305), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-16 12:52:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 533 transitions. [2024-11-16 12:52:13,990 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 533 transitions. Word has length 330 [2024-11-16 12:52:13,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:13,991 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 533 transitions. [2024-11-16 12:52:13,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 533 transitions. [2024-11-16 12:52:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:13,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:13,994 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:13,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 12:52:13,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:13,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:13,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1663266811, now seen corresponding path program 1 times [2024-11-16 12:52:13,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:13,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860970827] [2024-11-16 12:52:13,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:13,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:14,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:14,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860970827] [2024-11-16 12:52:14,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860970827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:14,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:14,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:52:14,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266105524] [2024-11-16 12:52:14,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:14,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:52:14,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:14,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:52:14,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:52:14,240 INFO L87 Difference]: Start difference. First operand 341 states and 533 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:14,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:14,482 INFO L93 Difference]: Finished difference Result 1015 states and 1576 transitions. [2024-11-16 12:52:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:52:14,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:14,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:14,487 INFO L225 Difference]: With dead ends: 1015 [2024-11-16 12:52:14,487 INFO L226 Difference]: Without dead ends: 677 [2024-11-16 12:52:14,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:52:14,488 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 138 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:14,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 661 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:52:14,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-16 12:52:14,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 628. [2024-11-16 12:52:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 395 states have (on average 1.3645569620253164) internal successors, (539), 398 states have internal predecessors, (539), 224 states have call successors, (224), 8 states have call predecessors, (224), 8 states have return successors, (224), 221 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-16 12:52:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 987 transitions. [2024-11-16 12:52:14,543 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 987 transitions. Word has length 330 [2024-11-16 12:52:14,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:14,543 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 987 transitions. [2024-11-16 12:52:14,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 987 transitions. [2024-11-16 12:52:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:14,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:14,545 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:14,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 12:52:14,545 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:14,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:14,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1859780316, now seen corresponding path program 1 times [2024-11-16 12:52:14,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:14,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515821743] [2024-11-16 12:52:14,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:14,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:16,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:16,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515821743] [2024-11-16 12:52:16,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515821743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:16,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:16,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:52:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022760016] [2024-11-16 12:52:16,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:16,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:52:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:16,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:52:16,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:52:16,559 INFO L87 Difference]: Start difference. First operand 628 states and 987 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:17,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:17,379 INFO L93 Difference]: Finished difference Result 787 states and 1167 transitions. [2024-11-16 12:52:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 12:52:17,379 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:17,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:17,384 INFO L225 Difference]: With dead ends: 787 [2024-11-16 12:52:17,384 INFO L226 Difference]: Without dead ends: 784 [2024-11-16 12:52:17,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:52:17,385 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 364 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:17,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1235 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 12:52:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-16 12:52:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 686. [2024-11-16 12:52:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 442 states have (on average 1.3438914027149322) internal successors, (594), 447 states have internal predecessors, (594), 232 states have call successors, (232), 11 states have call predecessors, (232), 11 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-16 12:52:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1058 transitions. [2024-11-16 12:52:17,450 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1058 transitions. Word has length 330 [2024-11-16 12:52:17,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:17,450 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 1058 transitions. [2024-11-16 12:52:17,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1058 transitions. [2024-11-16 12:52:17,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:17,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:17,452 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:17,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:52:17,453 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:17,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1831151165, now seen corresponding path program 1 times [2024-11-16 12:52:17,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:17,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566622524] [2024-11-16 12:52:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:17,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:20,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:20,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566622524] [2024-11-16 12:52:20,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566622524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:20,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:20,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 12:52:20,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234749157] [2024-11-16 12:52:20,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:20,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 12:52:20,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:20,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 12:52:20,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:52:20,607 INFO L87 Difference]: Start difference. First operand 686 states and 1058 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:22,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:22,225 INFO L93 Difference]: Finished difference Result 784 states and 1164 transitions. [2024-11-16 12:52:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 12:52:22,225 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 330 [2024-11-16 12:52:22,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:22,231 INFO L225 Difference]: With dead ends: 784 [2024-11-16 12:52:22,231 INFO L226 Difference]: Without dead ends: 781 [2024-11-16 12:52:22,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-16 12:52:22,234 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 325 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:22,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1515 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 12:52:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-16 12:52:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 686. [2024-11-16 12:52:22,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 442 states have (on average 1.3438914027149322) internal successors, (594), 447 states have internal predecessors, (594), 232 states have call successors, (232), 11 states have call predecessors, (232), 11 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-16 12:52:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1058 transitions. [2024-11-16 12:52:22,298 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1058 transitions. Word has length 330 [2024-11-16 12:52:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:22,299 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 1058 transitions. [2024-11-16 12:52:22,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-16 12:52:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1058 transitions. [2024-11-16 12:52:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-16 12:52:22,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:22,302 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 12:52:22,302 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:22,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash -67967966, now seen corresponding path program 1 times [2024-11-16 12:52:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975980906] [2024-11-16 12:52:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-16 12:52:22,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:22,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975980906] [2024-11-16 12:52:22,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975980906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:52:22,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:52:22,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:52:22,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674562201] [2024-11-16 12:52:22,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:52:22,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:52:22,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:52:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:52:22,721 INFO L87 Difference]: Start difference. First operand 686 states and 1058 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-16 12:52:23,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:23,052 INFO L93 Difference]: Finished difference Result 1255 states and 1916 transitions. [2024-11-16 12:52:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:52:23,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 330 [2024-11-16 12:52:23,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:23,059 INFO L225 Difference]: With dead ends: 1255 [2024-11-16 12:52:23,059 INFO L226 Difference]: Without dead ends: 694 [2024-11-16 12:52:23,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:52:23,061 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 194 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:23,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 430 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:52:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-16 12:52:23,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2024-11-16 12:52:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 434 states have (on average 1.3202764976958525) internal successors, (573), 439 states have internal predecessors, (573), 236 states have call successors, (236), 13 states have call predecessors, (236), 13 states have return successors, (236), 231 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-16 12:52:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1045 transitions. [2024-11-16 12:52:23,121 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1045 transitions. Word has length 330 [2024-11-16 12:52:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:23,122 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 1045 transitions. [2024-11-16 12:52:23,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-16 12:52:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1045 transitions. [2024-11-16 12:52:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-16 12:52:23,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:23,123 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:23,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 12:52:23,123 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:23,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1590473176, now seen corresponding path program 1 times [2024-11-16 12:52:23,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:23,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819366118] [2024-11-16 12:52:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:52:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:52:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:52:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:52:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:52:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:52:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:52:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:52:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:52:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:52:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:52:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:52:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:52:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:52:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:52:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:52:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:52:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:52:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:52:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:52:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:52:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:52:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:52:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:52:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:52:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:52:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:52:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:52:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:52:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:52:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:52:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:52:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:52:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:52:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:52:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:52:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:52:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:52:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:52:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:52:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:52:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:52:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:52:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-16 12:52:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 12:52:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 12:52:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 12:52:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 12:52:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 12:52:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 12:52:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 12:52:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 12:52:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 12:52:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 162 proven. 144 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2024-11-16 12:52:27,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:52:27,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819366118] [2024-11-16 12:52:27,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819366118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:52:27,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850858592] [2024-11-16 12:52:27,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:27,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:52:27,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:52:27,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 12:52:27,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 12:52:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:27,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-16 12:52:27,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:52:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 3351 proven. 309 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2024-11-16 12:52:29,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 12:52:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 411 proven. 339 refuted. 0 times theorem prover too weak. 4762 trivial. 0 not checked. [2024-11-16 12:52:31,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850858592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 12:52:31,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 12:52:31,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 19] total 47 [2024-11-16 12:52:31,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219040819] [2024-11-16 12:52:31,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 12:52:31,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-16 12:52:31,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:52:31,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-16 12:52:31,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=1746, Unknown=0, NotChecked=0, Total=2162 [2024-11-16 12:52:31,053 INFO L87 Difference]: Start difference. First operand 684 states and 1045 transitions. Second operand has 47 states, 44 states have (on average 3.8863636363636362) internal successors, (171), 44 states have internal predecessors, (171), 17 states have call successors, (132), 6 states have call predecessors, (132), 14 states have return successors, (133), 17 states have call predecessors, (133), 17 states have call successors, (133) [2024-11-16 12:52:55,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:52:55,239 INFO L93 Difference]: Finished difference Result 10416 states and 14719 transitions. [2024-11-16 12:52:55,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-11-16 12:52:55,241 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 44 states have (on average 3.8863636363636362) internal successors, (171), 44 states have internal predecessors, (171), 17 states have call successors, (132), 6 states have call predecessors, (132), 14 states have return successors, (133), 17 states have call predecessors, (133), 17 states have call successors, (133) Word has length 331 [2024-11-16 12:52:55,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:52:55,282 INFO L225 Difference]: With dead ends: 10416 [2024-11-16 12:52:55,282 INFO L226 Difference]: Without dead ends: 9836 [2024-11-16 12:52:55,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 306 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41827 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=19255, Invalid=75301, Unknown=0, NotChecked=0, Total=94556 [2024-11-16 12:52:55,299 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 7425 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 5051 mSolverCounterSat, 5351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7425 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 10402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5351 IncrementalHoareTripleChecker+Valid, 5051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:52:55,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7425 Valid, 4218 Invalid, 10402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5351 Valid, 5051 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-11-16 12:52:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9836 states. [2024-11-16 12:52:55,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9836 to 1951. [2024-11-16 12:52:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1353 states have (on average 1.3096821877309681) internal successors, (1772), 1371 states have internal predecessors, (1772), 509 states have call successors, (509), 88 states have call predecessors, (509), 88 states have return successors, (509), 491 states have call predecessors, (509), 509 states have call successors, (509) [2024-11-16 12:52:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2790 transitions. [2024-11-16 12:52:55,717 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2790 transitions. Word has length 331 [2024-11-16 12:52:55,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:52:55,718 INFO L471 AbstractCegarLoop]: Abstraction has 1951 states and 2790 transitions. [2024-11-16 12:52:55,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 44 states have (on average 3.8863636363636362) internal successors, (171), 44 states have internal predecessors, (171), 17 states have call successors, (132), 6 states have call predecessors, (132), 14 states have return successors, (133), 17 states have call predecessors, (133), 17 states have call successors, (133) [2024-11-16 12:52:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2790 transitions. [2024-11-16 12:52:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-16 12:52:55,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:52:55,720 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:52:55,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 12:52:55,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-16 12:52:55,925 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:52:55,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:52:55,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1430220886, now seen corresponding path program 1 times [2024-11-16 12:52:55,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:52:55,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816250403] [2024-11-16 12:52:55,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:55,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:52:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 12:52:56,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81622074] [2024-11-16 12:52:56,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:52:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:52:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:52:56,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 12:52:56,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 12:52:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:52:56,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-16 12:52:56,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:53:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 1399 proven. 648 refuted. 0 times theorem prover too weak. 3465 trivial. 0 not checked. [2024-11-16 12:53:02,737 INFO L311 TraceCheckSpWp]: Computing backward predicates...