./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.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 743733c75edc203d6a3698a34f61f0abb7399fbb75a2d96375820580e8166eb4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:46:36,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:46:36,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:46:36,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:46:36,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:46:36,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:46:36,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:46:36,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:46:36,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:46:36,608 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:46:36,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:46:36,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:46:36,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:46:36,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:46:36,613 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:46:36,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:46:36,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:46:36,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:46:36,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:46:36,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:46:36,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:46:36,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:46:36,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:46:36,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:46:36,615 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:46:36,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:46:36,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:46:36,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:46:36,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:46:36,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:46:36,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:46:36,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:46:36,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:46:36,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:46:36,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:46:36,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:46:36,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:46:36,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:46:36,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:46:36,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:46:36,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:46:36,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:46:36,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 743733c75edc203d6a3698a34f61f0abb7399fbb75a2d96375820580e8166eb4 [2024-11-12 05:46:36,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:46:36,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:46:36,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:46:36,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:46:36,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:46:36,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i [2024-11-12 05:46:38,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:46:38,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:46:38,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i [2024-11-12 05:46:38,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f27cc55/dbb8faf637be4e2d92bc1dad9929828e/FLAGed5b1760c [2024-11-12 05:46:38,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f27cc55/dbb8faf637be4e2d92bc1dad9929828e [2024-11-12 05:46:38,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:46:38,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:46:38,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:46:38,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:46:38,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:46:38,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:38,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513af221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38, skipping insertion in model container [2024-11-12 05:46:38,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:38,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:46:38,840 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_loopvsstraightlinecode_50-1loop_file-81.i[915,928] [2024-11-12 05:46:38,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:46:38,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:46:38,926 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_loopvsstraightlinecode_50-1loop_file-81.i[915,928] [2024-11-12 05:46:38,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:46:38,977 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:46:38,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38 WrapperNode [2024-11-12 05:46:38,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:46:38,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:46:38,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:46:38,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:46:38,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:38,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,033 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-11-12 05:46:39,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:46:39,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:46:39,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:46:39,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:46:39,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,064 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 05:46:39,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:46:39,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:46:39,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:46:39,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:46:39,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (1/1) ... [2024-11-12 05:46:39,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:46:39,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:46:39,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 05:46:39,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 05:46:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:46:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:46:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:46:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:46:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:46:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:46:39,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:46:39,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:46:39,517 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-12 05:46:39,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:46:39,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:46:39,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:46:39,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:46:39 BoogieIcfgContainer [2024-11-12 05:46:39,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:46:39,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:46:39,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:46:39,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:46:39,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:46:38" (1/3) ... [2024-11-12 05:46:39,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2151f87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:46:39, skipping insertion in model container [2024-11-12 05:46:39,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:46:38" (2/3) ... [2024-11-12 05:46:39,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2151f87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:46:39, skipping insertion in model container [2024-11-12 05:46:39,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:46:39" (3/3) ... [2024-11-12 05:46:39,544 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-81.i [2024-11-12 05:46:39,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:46:39,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:46:39,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:46:39,632 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;@1918db2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:46:39,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:46:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 50 states have internal predecessors, (67), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 05:46:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:46:39,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:46:39,651 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:46:39,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:46:39,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:46:39,658 INFO L85 PathProgramCache]: Analyzing trace with hash -165450164, now seen corresponding path program 1 times [2024-11-12 05:46:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:46:39,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820372584] [2024-11-12 05:46:39,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:46:39,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:46:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:39,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:46:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:46:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:46:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:46:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:46:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:46:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:46:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:46:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:46:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:46:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:46:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:46:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:46:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:46:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:46:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:46:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:46:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:46:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:46:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:46:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:46:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:46:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:46:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:46:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:46:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:46:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:46:40,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:46:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820372584] [2024-11-12 05:46:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820372584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:46:40,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:46:40,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 05:46:40,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642026649] [2024-11-12 05:46:40,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:46:40,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 05:46:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:46:40,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 05:46:40,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:46:40,122 INFO L87 Difference]: Start difference. First operand has 78 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 50 states have internal predecessors, (67), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:46:40,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:46:40,143 INFO L93 Difference]: Finished difference Result 153 states and 261 transitions. [2024-11-12 05:46:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 05:46:40,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-12 05:46:40,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:46:40,151 INFO L225 Difference]: With dead ends: 153 [2024-11-12 05:46:40,152 INFO L226 Difference]: Without dead ends: 74 [2024-11-12 05:46:40,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:46:40,159 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:46:40,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:46:40,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-12 05:46:40,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-12 05:46:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 05:46:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2024-11-12 05:46:40,205 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 163 [2024-11-12 05:46:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:46:40,205 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2024-11-12 05:46:40,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:46:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2024-11-12 05:46:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:46:40,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:46:40,209 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:46:40,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:46:40,209 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:46:40,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:46:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash 618594188, now seen corresponding path program 1 times [2024-11-12 05:46:40,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:46:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088305929] [2024-11-12 05:46:40,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:46:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:46:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:46:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:46:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:46:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:46:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:46:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:46:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:46:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:46:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:46:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:46:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:46:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:46:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:46:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:46:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:46:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:46:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:46:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:46:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:46:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:46:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:46:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:46:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:46:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:46:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:46:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:46:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:46:49,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:46:49,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088305929] [2024-11-12 05:46:49,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088305929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:46:49,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:46:49,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 05:46:49,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943648260] [2024-11-12 05:46:49,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:46:49,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 05:46:49,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:46:49,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 05:46:49,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:46:49,837 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:46:52,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:46:52,506 INFO L93 Difference]: Finished difference Result 329 states and 488 transitions. [2024-11-12 05:46:52,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:46:52,507 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 05:46:52,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:46:52,512 INFO L225 Difference]: With dead ends: 329 [2024-11-12 05:46:52,512 INFO L226 Difference]: Without dead ends: 258 [2024-11-12 05:46:52,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 05:46:52,515 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 698 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:46:52,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 526 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 05:46:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-12 05:46:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 133. [2024-11-12 05:46:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 78 states have internal predecessors, (100), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:46:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 204 transitions. [2024-11-12 05:46:52,552 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 204 transitions. Word has length 163 [2024-11-12 05:46:52,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:46:52,554 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 204 transitions. [2024-11-12 05:46:52,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:46:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 204 transitions. [2024-11-12 05:46:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:46:52,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:46:52,556 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:46:52,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:46:52,556 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:46:52,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:46:52,557 INFO L85 PathProgramCache]: Analyzing trace with hash 225567178, now seen corresponding path program 1 times [2024-11-12 05:46:52,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:46:52,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117264890] [2024-11-12 05:46:52,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:46:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:46:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:46:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:46:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:46:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:46:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:46:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:46:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:46:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:46:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:46:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:46:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:46:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:46:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:46:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:46:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:46:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:46:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:46:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:46:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:46:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:46:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:46:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:46:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:46:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:46:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:46:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:46:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:46:52,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:46:52,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117264890] [2024-11-12 05:46:52,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117264890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:46:52,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:46:52,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:46:52,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903997255] [2024-11-12 05:46:52,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:46:52,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:46:52,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:46:52,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:46:52,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:46:52,750 INFO L87 Difference]: Start difference. First operand 133 states and 204 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:46:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:46:52,804 INFO L93 Difference]: Finished difference Result 240 states and 363 transitions. [2024-11-12 05:46:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:46:52,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 05:46:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:46:52,806 INFO L225 Difference]: With dead ends: 240 [2024-11-12 05:46:52,806 INFO L226 Difference]: Without dead ends: 169 [2024-11-12 05:46:52,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:46:52,808 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 43 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:46:52,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 327 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:46:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-12 05:46:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2024-11-12 05:46:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 107 states have internal predecessors, (137), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:46:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 249 transitions. [2024-11-12 05:46:52,823 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 249 transitions. Word has length 163 [2024-11-12 05:46:52,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:46:52,824 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 249 transitions. [2024-11-12 05:46:52,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:46:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 249 transitions. [2024-11-12 05:46:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:46:52,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:46:52,826 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:46:52,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:46:52,826 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:46:52,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:46:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1319658766, now seen corresponding path program 1 times [2024-11-12 05:46:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:46:52,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158555642] [2024-11-12 05:46:52,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:46:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:46:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:46:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:46:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:46:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:46:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:46:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:46:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:46:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:46:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:46:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:46:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:46:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:46:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:46:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:46:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:46:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:46:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:46:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:46:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:46:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:46:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:46:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:46:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:46:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:46:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:46:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:46:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:46:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:46:59,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:46:59,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158555642] [2024-11-12 05:46:59,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158555642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:46:59,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:46:59,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 05:46:59,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414742489] [2024-11-12 05:46:59,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:46:59,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 05:46:59,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:46:59,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 05:46:59,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:46:59,551 INFO L87 Difference]: Start difference. First operand 166 states and 249 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:01,562 INFO L93 Difference]: Finished difference Result 381 states and 555 transitions. [2024-11-12 05:47:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:47:01,563 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 05:47:01,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:01,566 INFO L225 Difference]: With dead ends: 381 [2024-11-12 05:47:01,566 INFO L226 Difference]: Without dead ends: 277 [2024-11-12 05:47:01,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 05:47:01,568 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 430 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:01,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 509 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 05:47:01,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-12 05:47:01,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 166. [2024-11-12 05:47:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 107 states have internal predecessors, (137), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:47:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 249 transitions. [2024-11-12 05:47:01,598 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 249 transitions. Word has length 163 [2024-11-12 05:47:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:01,599 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 249 transitions. [2024-11-12 05:47:01,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 249 transitions. [2024-11-12 05:47:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:47:01,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:01,600 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:01,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 05:47:01,600 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:01,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash 876759626, now seen corresponding path program 1 times [2024-11-12 05:47:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:01,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710957412] [2024-11-12 05:47:01,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:02,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:02,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710957412] [2024-11-12 05:47:02,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710957412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:02,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:02,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:47:02,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150241390] [2024-11-12 05:47:02,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:02,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:47:02,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:02,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:47:02,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:47:02,585 INFO L87 Difference]: Start difference. First operand 166 states and 249 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:47:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:03,444 INFO L93 Difference]: Finished difference Result 403 states and 593 transitions. [2024-11-12 05:47:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:47:03,445 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-12 05:47:03,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:03,448 INFO L225 Difference]: With dead ends: 403 [2024-11-12 05:47:03,448 INFO L226 Difference]: Without dead ends: 299 [2024-11-12 05:47:03,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:47:03,450 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 316 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:03,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 553 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:47:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-12 05:47:03,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 170. [2024-11-12 05:47:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:47:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-12 05:47:03,483 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-12 05:47:03,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:03,484 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-12 05:47:03,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:47:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-12 05:47:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:47:03,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:03,486 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:03,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:47:03,486 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:03,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash -392523062, now seen corresponding path program 1 times [2024-11-12 05:47:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:03,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035524875] [2024-11-12 05:47:03,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:09,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:09,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035524875] [2024-11-12 05:47:09,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035524875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:09,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:09,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:47:09,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085626736] [2024-11-12 05:47:09,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:09,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:47:09,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:09,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:47:09,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:47:09,719 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:10,858 INFO L93 Difference]: Finished difference Result 346 states and 503 transitions. [2024-11-12 05:47:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:47:10,859 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 05:47:10,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:10,860 INFO L225 Difference]: With dead ends: 346 [2024-11-12 05:47:10,860 INFO L226 Difference]: Without dead ends: 242 [2024-11-12 05:47:10,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 05:47:10,861 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 191 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:10,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 474 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:47:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-12 05:47:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 171. [2024-11-12 05:47:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:47:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-12 05:47:10,883 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-12 05:47:10,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:10,883 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-12 05:47:10,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-12 05:47:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:47:10,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:10,885 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:10,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:47:10,885 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:10,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:10,886 INFO L85 PathProgramCache]: Analyzing trace with hash 308541516, now seen corresponding path program 1 times [2024-11-12 05:47:10,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:10,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441449436] [2024-11-12 05:47:10,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:10,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:17,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:17,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441449436] [2024-11-12 05:47:17,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441449436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:17,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:17,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:47:17,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109369710] [2024-11-12 05:47:17,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:17,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:47:17,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:17,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:47:17,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:47:17,523 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:18,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:18,046 INFO L93 Difference]: Finished difference Result 326 states and 478 transitions. [2024-11-12 05:47:18,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:47:18,047 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 05:47:18,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:18,049 INFO L225 Difference]: With dead ends: 326 [2024-11-12 05:47:18,049 INFO L226 Difference]: Without dead ends: 212 [2024-11-12 05:47:18,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:47:18,050 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 139 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:18,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 400 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:47:18,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-12 05:47:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 170. [2024-11-12 05:47:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:47:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-12 05:47:18,073 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-12 05:47:18,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:18,075 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-12 05:47:18,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-12 05:47:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 05:47:18,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:18,077 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:18,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:47:18,077 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:18,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:18,077 INFO L85 PathProgramCache]: Analyzing trace with hash -134357624, now seen corresponding path program 1 times [2024-11-12 05:47:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804771546] [2024-11-12 05:47:18,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:18,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:18,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804771546] [2024-11-12 05:47:18,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804771546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:18,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:18,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 05:47:18,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743593606] [2024-11-12 05:47:18,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:18,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 05:47:18,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 05:47:18,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:47:18,536 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:18,892 INFO L93 Difference]: Finished difference Result 339 states and 501 transitions. [2024-11-12 05:47:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 05:47:18,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 05:47:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:18,894 INFO L225 Difference]: With dead ends: 339 [2024-11-12 05:47:18,894 INFO L226 Difference]: Without dead ends: 225 [2024-11-12 05:47:18,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:47:18,895 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 103 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:18,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 445 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 05:47:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-12 05:47:18,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 170. [2024-11-12 05:47:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:47:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-12 05:47:18,911 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-12 05:47:18,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:18,911 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-12 05:47:18,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-12 05:47:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:18,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:18,913 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:18,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 05:47:18,913 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:18,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:18,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1824725714, now seen corresponding path program 1 times [2024-11-12 05:47:18,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:18,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947174746] [2024-11-12 05:47:18,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:18,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:19,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:19,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947174746] [2024-11-12 05:47:19,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947174746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:19,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:19,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:47:19,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864588894] [2024-11-12 05:47:19,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:19,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:47:19,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:19,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:47:19,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:47:19,083 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:19,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:19,138 INFO L93 Difference]: Finished difference Result 310 states and 454 transitions. [2024-11-12 05:47:19,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:47:19,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:47:19,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:19,140 INFO L225 Difference]: With dead ends: 310 [2024-11-12 05:47:19,141 INFO L226 Difference]: Without dead ends: 196 [2024-11-12 05:47:19,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:47:19,142 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 63 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:19,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 320 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:47:19,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-12 05:47:19,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2024-11-12 05:47:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 107 states have internal predecessors, (138), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 242 transitions. [2024-11-12 05:47:19,160 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 242 transitions. Word has length 164 [2024-11-12 05:47:19,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:19,160 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 242 transitions. [2024-11-12 05:47:19,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2024-11-12 05:47:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:19,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:19,162 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:19,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 05:47:19,162 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:19,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1431698704, now seen corresponding path program 1 times [2024-11-12 05:47:19,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:19,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868646340] [2024-11-12 05:47:19,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:23,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:23,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868646340] [2024-11-12 05:47:23,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868646340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:23,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:23,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 05:47:23,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479307975] [2024-11-12 05:47:23,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:23,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 05:47:23,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:23,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 05:47:23,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:47:23,429 INFO L87 Difference]: Start difference. First operand 164 states and 242 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:47:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:24,441 INFO L93 Difference]: Finished difference Result 370 states and 532 transitions. [2024-11-12 05:47:24,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:47:24,442 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-12 05:47:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:24,443 INFO L225 Difference]: With dead ends: 370 [2024-11-12 05:47:24,443 INFO L226 Difference]: Without dead ends: 269 [2024-11-12 05:47:24,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2024-11-12 05:47:24,444 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 317 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:24,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 585 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:47:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-12 05:47:24,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 174. [2024-11-12 05:47:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.2991452991452992) internal successors, (152), 117 states have internal predecessors, (152), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 256 transitions. [2024-11-12 05:47:24,462 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 256 transitions. Word has length 164 [2024-11-12 05:47:24,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:24,463 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 256 transitions. [2024-11-12 05:47:24,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:47:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 256 transitions. [2024-11-12 05:47:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:24,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:24,464 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:24,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 05:47:24,464 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:24,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2132763282, now seen corresponding path program 1 times [2024-11-12 05:47:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:24,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950569512] [2024-11-12 05:47:24,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:30,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:30,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950569512] [2024-11-12 05:47:30,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950569512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:30,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:30,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:47:30,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458432063] [2024-11-12 05:47:30,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:30,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:47:30,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:30,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:47:30,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:47:30,313 INFO L87 Difference]: Start difference. First operand 174 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:31,126 INFO L93 Difference]: Finished difference Result 319 states and 463 transitions. [2024-11-12 05:47:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:47:31,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:47:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:31,129 INFO L225 Difference]: With dead ends: 319 [2024-11-12 05:47:31,129 INFO L226 Difference]: Without dead ends: 218 [2024-11-12 05:47:31,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 05:47:31,130 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 89 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:31,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 525 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:47:31,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-12 05:47:31,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 172. [2024-11-12 05:47:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 115 states have (on average 1.3043478260869565) internal successors, (150), 115 states have internal predecessors, (150), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 254 transitions. [2024-11-12 05:47:31,148 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 254 transitions. Word has length 164 [2024-11-12 05:47:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:31,148 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 254 transitions. [2024-11-12 05:47:31,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 254 transitions. [2024-11-12 05:47:31,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:31,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:31,149 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:31,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 05:47:31,149 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:31,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1190377904, now seen corresponding path program 1 times [2024-11-12 05:47:31,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:31,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537659340] [2024-11-12 05:47:31,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:35,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:35,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537659340] [2024-11-12 05:47:35,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537659340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:35,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:35,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 05:47:35,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457115427] [2024-11-12 05:47:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:35,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 05:47:35,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:35,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 05:47:35,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:47:35,755 INFO L87 Difference]: Start difference. First operand 172 states and 254 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:37,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:37,244 INFO L93 Difference]: Finished difference Result 433 states and 620 transitions. [2024-11-12 05:47:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:47:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:47:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:37,247 INFO L225 Difference]: With dead ends: 433 [2024-11-12 05:47:37,247 INFO L226 Difference]: Without dead ends: 324 [2024-11-12 05:47:37,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 05:47:37,249 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 506 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:37,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 510 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:47:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-12 05:47:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 176. [2024-11-12 05:47:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 119 states have internal predecessors, (156), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 260 transitions. [2024-11-12 05:47:37,270 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 260 transitions. Word has length 164 [2024-11-12 05:47:37,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:37,271 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 260 transitions. [2024-11-12 05:47:37,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 260 transitions. [2024-11-12 05:47:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:37,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:37,273 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:37,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 05:47:37,273 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:37,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:37,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1583404914, now seen corresponding path program 1 times [2024-11-12 05:47:37,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:37,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248007855] [2024-11-12 05:47:37,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:41,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:41,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248007855] [2024-11-12 05:47:41,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248007855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:41,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:41,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 05:47:41,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234428173] [2024-11-12 05:47:41,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:41,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 05:47:41,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 05:47:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:47:41,764 INFO L87 Difference]: Start difference. First operand 176 states and 260 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:42,559 INFO L93 Difference]: Finished difference Result 411 states and 590 transitions. [2024-11-12 05:47:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:47:42,561 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:47:42,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:42,563 INFO L225 Difference]: With dead ends: 411 [2024-11-12 05:47:42,563 INFO L226 Difference]: Without dead ends: 302 [2024-11-12 05:47:42,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-11-12 05:47:42,564 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 271 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:42,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 591 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:47:42,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-12 05:47:42,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 176. [2024-11-12 05:47:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 119 states have internal predecessors, (156), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 260 transitions. [2024-11-12 05:47:42,581 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 260 transitions. Word has length 164 [2024-11-12 05:47:42,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:42,582 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 260 transitions. [2024-11-12 05:47:42,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 260 transitions. [2024-11-12 05:47:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:42,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:42,583 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:42,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 05:47:42,583 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:42,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:42,584 INFO L85 PathProgramCache]: Analyzing trace with hash -489313326, now seen corresponding path program 1 times [2024-11-12 05:47:42,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:42,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221800793] [2024-11-12 05:47:42,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:42,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:46,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:46,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221800793] [2024-11-12 05:47:46,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221800793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:46,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:46,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 05:47:46,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104233293] [2024-11-12 05:47:46,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:46,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 05:47:46,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:46,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 05:47:46,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:47:46,646 INFO L87 Difference]: Start difference. First operand 176 states and 260 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:47,632 INFO L93 Difference]: Finished difference Result 406 states and 584 transitions. [2024-11-12 05:47:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:47:47,633 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:47:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:47,634 INFO L225 Difference]: With dead ends: 406 [2024-11-12 05:47:47,634 INFO L226 Difference]: Without dead ends: 297 [2024-11-12 05:47:47,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 05:47:47,636 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 430 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:47,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 518 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:47:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-12 05:47:47,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 177. [2024-11-12 05:47:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.3166666666666667) internal successors, (158), 120 states have internal predecessors, (158), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 262 transitions. [2024-11-12 05:47:47,652 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 262 transitions. Word has length 164 [2024-11-12 05:47:47,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:47,652 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 262 transitions. [2024-11-12 05:47:47,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:47:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2024-11-12 05:47:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:47,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:47,654 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:47,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 05:47:47,654 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:47,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:47,654 INFO L85 PathProgramCache]: Analyzing trace with hash -882340336, now seen corresponding path program 1 times [2024-11-12 05:47:47,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:47,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454159412] [2024-11-12 05:47:47,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:47,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:53,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454159412] [2024-11-12 05:47:53,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454159412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:53,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:53,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 05:47:53,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523338225] [2024-11-12 05:47:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:53,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 05:47:53,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:53,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 05:47:53,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:47:53,198 INFO L87 Difference]: Start difference. First operand 177 states and 262 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:47:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:47:54,533 INFO L93 Difference]: Finished difference Result 393 states and 566 transitions. [2024-11-12 05:47:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 05:47:54,534 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-12 05:47:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:47:54,535 INFO L225 Difference]: With dead ends: 393 [2024-11-12 05:47:54,535 INFO L226 Difference]: Without dead ends: 284 [2024-11-12 05:47:54,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-12 05:47:54,536 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 250 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:47:54,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 678 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:47:54,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-12 05:47:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 176. [2024-11-12 05:47:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 119 states have internal predecessors, (156), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:47:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 260 transitions. [2024-11-12 05:47:54,556 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 260 transitions. Word has length 164 [2024-11-12 05:47:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:47:54,557 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 260 transitions. [2024-11-12 05:47:54,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 05:47:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 260 transitions. [2024-11-12 05:47:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:47:54,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:47:54,558 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:47:54,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 05:47:54,559 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:47:54,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:47:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2093472142, now seen corresponding path program 1 times [2024-11-12 05:47:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:47:54,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439558533] [2024-11-12 05:47:54,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:47:54,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:47:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:47:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:47:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:47:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:47:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:47:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:47:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:47:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:47:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:47:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:47:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:47:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:47:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:47:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:47:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:47:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:47:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:47:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:47:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:47:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:47:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:47:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:47:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:47:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:47:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:47:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:47:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:47:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:47:59,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:47:59,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439558533] [2024-11-12 05:47:59,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439558533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:47:59,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:47:59,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:47:59,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22368026] [2024-11-12 05:47:59,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:47:59,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:47:59,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:47:59,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:47:59,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:47:59,674 INFO L87 Difference]: Start difference. First operand 176 states and 260 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:48:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:48:00,198 INFO L93 Difference]: Finished difference Result 400 states and 577 transitions. [2024-11-12 05:48:00,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:48:00,198 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:48:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:48:00,200 INFO L225 Difference]: With dead ends: 400 [2024-11-12 05:48:00,200 INFO L226 Difference]: Without dead ends: 291 [2024-11-12 05:48:00,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:48:00,201 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 180 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:48:00,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 469 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:48:00,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-12 05:48:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 178. [2024-11-12 05:48:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.322314049586777) internal successors, (160), 121 states have internal predecessors, (160), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:48:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 264 transitions. [2024-11-12 05:48:00,218 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 264 transitions. Word has length 164 [2024-11-12 05:48:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:48:00,218 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 264 transitions. [2024-11-12 05:48:00,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:48:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 264 transitions. [2024-11-12 05:48:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:48:00,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:48:00,219 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:48:00,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 05:48:00,219 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:48:00,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:48:00,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1700445132, now seen corresponding path program 1 times [2024-11-12 05:48:00,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:48:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976564880] [2024-11-12 05:48:00,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:48:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:48:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:48:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:48:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:48:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:48:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:48:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:48:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:48:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:48:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:48:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:48:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:48:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:48:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:48:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:48:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:48:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:48:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:48:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:48:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:48:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:48:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:48:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:48:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:48:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:48:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:48:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:48:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:48:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 05:48:00,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:48:00,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976564880] [2024-11-12 05:48:00,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976564880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:48:00,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:48:00,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 05:48:00,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560646746] [2024-11-12 05:48:00,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:48:00,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 05:48:00,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:48:00,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 05:48:00,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:48:00,706 INFO L87 Difference]: Start difference. First operand 178 states and 264 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:48:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:48:01,241 INFO L93 Difference]: Finished difference Result 372 states and 540 transitions. [2024-11-12 05:48:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:48:01,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 05:48:01,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:48:01,244 INFO L225 Difference]: With dead ends: 372 [2024-11-12 05:48:01,244 INFO L226 Difference]: Without dead ends: 261 [2024-11-12 05:48:01,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:48:01,245 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 188 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:48:01,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 426 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:48:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-12 05:48:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 179. [2024-11-12 05:48:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 122 states have internal predecessors, (162), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 05:48:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 266 transitions. [2024-11-12 05:48:01,276 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 266 transitions. Word has length 164 [2024-11-12 05:48:01,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:48:01,277 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 266 transitions. [2024-11-12 05:48:01,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 05:48:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 266 transitions. [2024-11-12 05:48:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 05:48:01,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:48:01,278 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:48:01,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 05:48:01,278 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:48:01,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:48:01,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1500430576, now seen corresponding path program 1 times [2024-11-12 05:48:01,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:48:01,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401201482] [2024-11-12 05:48:01,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:48:01,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:48:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat