./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 023d838f 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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:51:12,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:51:12,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:51:12,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:51:12,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:51:12,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:51:12,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:51:12,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:51:12,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:51:12,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:51:12,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:51:12,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:51:12,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:51:12,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:51:12,984 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:51:12,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:51:12,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:51:12,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:51:12,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:51:12,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:51:12,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:51:12,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:51:12,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:51:12,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:51:12,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:51:12,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:51:12,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:51:12,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:51:12,990 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:51:12,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:51:12,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:51:12,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:51:12,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:51:12,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:51:12,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:51:12,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:51:12,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:51:12,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:51:12,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:51:12,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:51:12,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:51:12,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:51:12,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 743733c75edc203d6a3698a34f61f0abb7399fbb75a2d96375820580e8166eb4 [2024-11-10 07:51:13,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:51:13,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:51:13,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:51:13,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:51:13,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:51:13,235 INFO L431 ainManager$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 [2024-11-10 07:51:14,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:51:14,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:51:14,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-81.i [2024-11-10 07:51:14,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560879709/0ef2dfbeab484801a4b904224443e1d4/FLAG5e915c583 [2024-11-10 07:51:15,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560879709/0ef2dfbeab484801a4b904224443e1d4 [2024-11-10 07:51:15,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:51:15,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:51:15,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:51:15,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:51:15,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:51:15,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afe22a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15, skipping insertion in model container [2024-11-10 07:51:15,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:51:15,471 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] [2024-11-10 07:51:15,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:51:15,535 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:51:15,545 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] [2024-11-10 07:51:15,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:51:15,604 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:51:15,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15 WrapperNode [2024-11-10 07:51:15,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:51:15,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:51:15,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:51:15,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:51:15,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,685 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-11-10 07:51:15,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:51:15,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:51:15,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:51:15,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:51:15,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,723 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]. [2024-11-10 07:51:15,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:51:15,740 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:51:15,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:51:15,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:51:15,741 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (1/1) ... [2024-11-10 07:51:15,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:51:15,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:51:15,772 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) [2024-11-10 07:51:15,778 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 [2024-11-10 07:51:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:51:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:51:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:51:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:51:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:51:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:51:15,879 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:51:15,881 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:51:16,140 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2024-11-10 07:51:16,166 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-10 07:51:16,166 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:51:16,181 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:51:16,182 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:51:16,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:51:16 BoogieIcfgContainer [2024-11-10 07:51:16,182 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:51:16,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:51:16,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:51:16,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:51:16,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:51:15" (1/3) ... [2024-11-10 07:51:16,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72487e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:51:16, skipping insertion in model container [2024-11-10 07:51:16,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:51:15" (2/3) ... [2024-11-10 07:51:16,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72487e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:51:16, skipping insertion in model container [2024-11-10 07:51:16,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:51:16" (3/3) ... [2024-11-10 07:51:16,189 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-81.i [2024-11-10 07:51:16,201 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:51:16,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:51:16,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:51:16,258 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;@4e97c21e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:51:16,259 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:51:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 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) [2024-11-10 07:51:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 07:51:16,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:16,275 INFO L215 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, 1] [2024-11-10 07:51:16,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:16,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2057663756, now seen corresponding path program 1 times [2024-11-10 07:51:16,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:16,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489265297] [2024-11-10 07:51:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:16,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:16,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489265297] [2024-11-10 07:51:16,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489265297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:16,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:16,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:51:16,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934077782] [2024-11-10 07:51:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:16,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:51:16,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:51:16,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:51:16,739 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2024-11-10 07:51:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:51:16,764 INFO L93 Difference]: Finished difference Result 156 states and 264 transitions. [2024-11-10 07:51:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:51:16,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 165 [2024-11-10 07:51:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:51:16,799 INFO L225 Difference]: With dead ends: 156 [2024-11-10 07:51:16,799 INFO L226 Difference]: Without dead ends: 75 [2024-11-10 07:51:16,802 INFO L431 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 [2024-11-10 07:51:16,805 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:51:16,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:51:16,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-10 07:51:16,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-10 07:51:16,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 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) [2024-11-10 07:51:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-10 07:51:16,892 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 165 [2024-11-10 07:51:16,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:51:16,892 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-10 07:51:16,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2024-11-10 07:51:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-10 07:51:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 07:51:16,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:16,895 INFO L215 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, 1] [2024-11-10 07:51:16,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:51:16,896 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:16,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:16,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1505089108, now seen corresponding path program 1 times [2024-11-10 07:51:16,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:16,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694430789] [2024-11-10 07:51:16,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:27,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:27,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694430789] [2024-11-10 07:51:27,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694430789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:27,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:27,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:51:27,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768272958] [2024-11-10 07:51:27,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:27,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:51:27,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:27,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:51:27,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:51:27,489 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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) [2024-11-10 07:51:29,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:51:29,546 INFO L93 Difference]: Finished difference Result 241 states and 352 transitions. [2024-11-10 07:51:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:51:29,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 165 [2024-11-10 07:51:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:51:29,549 INFO L225 Difference]: With dead ends: 241 [2024-11-10 07:51:29,550 INFO L226 Difference]: Without dead ends: 169 [2024-11-10 07:51:29,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-10 07:51:29,551 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 305 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:51:29,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 500 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:51:29,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-10 07:51:29,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 88. [2024-11-10 07:51:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 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) [2024-11-10 07:51:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 133 transitions. [2024-11-10 07:51:29,564 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 133 transitions. Word has length 165 [2024-11-10 07:51:29,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:51:29,566 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 133 transitions. [2024-11-10 07:51:29,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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) [2024-11-10 07:51:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2024-11-10 07:51:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 07:51:29,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:29,569 INFO L215 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, 1] [2024-11-10 07:51:29,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:51:29,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:29,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:29,570 INFO L85 PathProgramCache]: Analyzing trace with hash -291862251, now seen corresponding path program 1 times [2024-11-10 07:51:29,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:29,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033672624] [2024-11-10 07:51:29,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:29,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:29,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033672624] [2024-11-10 07:51:29,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033672624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:29,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:29,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:51:29,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736230157] [2024-11-10 07:51:29,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:29,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:51:29,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:29,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:51:29,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:51:29,799 INFO L87 Difference]: Start difference. First operand 88 states and 133 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-10 07:51:29,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:51:29,851 INFO L93 Difference]: Finished difference Result 207 states and 309 transitions. [2024-11-10 07:51:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:51:29,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 165 [2024-11-10 07:51:29,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:51:29,853 INFO L225 Difference]: With dead ends: 207 [2024-11-10 07:51:29,853 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 07:51:29,854 INFO L431 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 [2024-11-10 07:51:29,855 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 44 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:51:29,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 326 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:51:29,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 07:51:29,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2024-11-10 07:51:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 86 states have internal predecessors, (113), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 07:51:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 173 transitions. [2024-11-10 07:51:29,865 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 173 transitions. Word has length 165 [2024-11-10 07:51:29,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:51:29,866 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 173 transitions. [2024-11-10 07:51:29,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-10 07:51:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 173 transitions. [2024-11-10 07:51:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 07:51:29,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:29,869 INFO L215 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, 1] [2024-11-10 07:51:29,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:51:29,869 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:29,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:29,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1634171827, now seen corresponding path program 1 times [2024-11-10 07:51:29,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:29,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124154594] [2024-11-10 07:51:29,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:37,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:37,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124154594] [2024-11-10 07:51:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124154594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:37,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:37,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:51:37,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641747887] [2024-11-10 07:51:37,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:37,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:51:37,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:37,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:51:37,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:51:37,214 INFO L87 Difference]: Start difference. First operand 118 states and 173 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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) [2024-11-10 07:51:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:51:39,765 INFO L93 Difference]: Finished difference Result 418 states and 604 transitions. [2024-11-10 07:51:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 07:51:39,766 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 165 [2024-11-10 07:51:39,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:51:39,774 INFO L225 Difference]: With dead ends: 418 [2024-11-10 07:51:39,774 INFO L226 Difference]: Without dead ends: 303 [2024-11-10 07:51:39,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2024-11-10 07:51:39,777 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 582 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:51:39,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 538 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 07:51:39,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-10 07:51:39,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 169. [2024-11-10 07:51:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 109 states have (on average 1.2935779816513762) internal successors, (141), 110 states have internal predecessors, (141), 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) [2024-11-10 07:51:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 253 transitions. [2024-11-10 07:51:39,808 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 253 transitions. Word has length 165 [2024-11-10 07:51:39,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:51:39,809 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 253 transitions. [2024-11-10 07:51:39,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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) [2024-11-10 07:51:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 253 transitions. [2024-11-10 07:51:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 07:51:39,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:39,811 INFO L215 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, 1] [2024-11-10 07:51:39,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:51:39,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:39,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1211686101, now seen corresponding path program 1 times [2024-11-10 07:51:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:39,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967741761] [2024-11-10 07:51:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:40,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:40,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967741761] [2024-11-10 07:51:40,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967741761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:40,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:40,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:51:40,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096012794] [2024-11-10 07:51:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:40,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:51:40,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:40,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:51:40,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:51:40,331 INFO L87 Difference]: Start difference. First operand 169 states and 253 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-10 07:51:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:51:40,688 INFO L93 Difference]: Finished difference Result 342 states and 505 transitions. [2024-11-10 07:51:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:51:40,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 165 [2024-11-10 07:51:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:51:40,691 INFO L225 Difference]: With dead ends: 342 [2024-11-10 07:51:40,691 INFO L226 Difference]: Without dead ends: 227 [2024-11-10 07:51:40,692 INFO L431 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 [2024-11-10 07:51:40,693 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 106 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:51:40,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 443 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:51:40,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-10 07:51:40,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 175. [2024-11-10 07:51:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 115 states have (on average 1.2869565217391303) internal successors, (148), 116 states have internal predecessors, (148), 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) [2024-11-10 07:51:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 260 transitions. [2024-11-10 07:51:40,710 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 260 transitions. Word has length 165 [2024-11-10 07:51:40,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:51:40,711 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 260 transitions. [2024-11-10 07:51:40,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-10 07:51:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 260 transitions. [2024-11-10 07:51:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 07:51:40,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:40,712 INFO L215 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, 1] [2024-11-10 07:51:40,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:51:40,713 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:40,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:40,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1153243660, now seen corresponding path program 1 times [2024-11-10 07:51:40,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:40,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294224156] [2024-11-10 07:51:40,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:40,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:49,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:49,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294224156] [2024-11-10 07:51:49,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294224156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:49,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:49,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 07:51:49,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545143195] [2024-11-10 07:51:49,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:49,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 07:51:49,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:49,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 07:51:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:51:49,961 INFO L87 Difference]: Start difference. First operand 175 states and 260 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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) [2024-11-10 07:51:52,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:51:52,230 INFO L93 Difference]: Finished difference Result 363 states and 529 transitions. [2024-11-10 07:51:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 07:51:52,230 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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 165 [2024-11-10 07:51:52,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:51:52,232 INFO L225 Difference]: With dead ends: 363 [2024-11-10 07:51:52,232 INFO L226 Difference]: Without dead ends: 248 [2024-11-10 07:51:52,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-10 07:51:52,233 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 184 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:51:52,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 517 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 07:51:52,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-10 07:51:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2024-11-10 07:51:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 114 states have internal predecessors, (146), 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) [2024-11-10 07:51:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 258 transitions. [2024-11-10 07:51:52,250 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 258 transitions. Word has length 165 [2024-11-10 07:51:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:51:52,251 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 258 transitions. [2024-11-10 07:51:52,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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) [2024-11-10 07:51:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2024-11-10 07:51:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:51:52,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:51:52,252 INFO L215 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, 1, 1] [2024-11-10 07:51:52,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:51:52,253 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:51:52,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:51:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash -910832791, now seen corresponding path program 1 times [2024-11-10 07:51:52,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:51:52,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894018239] [2024-11-10 07:51:52,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:51:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:51:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:51:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:51:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:51:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:51:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:51:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:51:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:51:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:51:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:51:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:51:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:51:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:51:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:51:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:51:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:51:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:51:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:51:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:51:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:51:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:51:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:51:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:51:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:51:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:51:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:51:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:51:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:51:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:51:59,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:51:59,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894018239] [2024-11-10 07:51:59,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894018239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:51:59,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:51:59,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 07:51:59,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092198845] [2024-11-10 07:51:59,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:51:59,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 07:51:59,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:51:59,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 07:51:59,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:51:59,212 INFO L87 Difference]: Start difference. First operand 173 states and 258 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2024-11-10 07:52:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:00,749 INFO L93 Difference]: Finished difference Result 501 states and 718 transitions. [2024-11-10 07:52:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 07:52:00,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:00,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:00,751 INFO L225 Difference]: With dead ends: 501 [2024-11-10 07:52:00,751 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 07:52:00,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2024-11-10 07:52:00,753 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 484 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:00,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 577 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:52:00,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 07:52:00,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 178. [2024-11-10 07:52:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 118 states have (on average 1.305084745762712) internal successors, (154), 119 states have internal predecessors, (154), 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) [2024-11-10 07:52:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 266 transitions. [2024-11-10 07:52:00,771 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 266 transitions. Word has length 166 [2024-11-10 07:52:00,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:00,772 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 266 transitions. [2024-11-10 07:52:00,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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) [2024-11-10 07:52:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 266 transitions. [2024-11-10 07:52:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:00,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:00,773 INFO L215 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, 1, 1] [2024-11-10 07:52:00,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:52:00,774 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:00,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1587183146, now seen corresponding path program 1 times [2024-11-10 07:52:00,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:00,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87086034] [2024-11-10 07:52:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:00,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:07,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:07,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87086034] [2024-11-10 07:52:07,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87086034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:07,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:07,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:52:07,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922438657] [2024-11-10 07:52:07,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:07,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:52:07,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:07,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:52:07,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:52:07,365 INFO L87 Difference]: Start difference. First operand 178 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-11-10 07:52:07,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:07,871 INFO L93 Difference]: Finished difference Result 438 states and 635 transitions. [2024-11-10 07:52:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:52:07,872 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:07,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:07,880 INFO L225 Difference]: With dead ends: 438 [2024-11-10 07:52:07,882 INFO L226 Difference]: Without dead ends: 323 [2024-11-10 07:52:07,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:52:07,883 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 179 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:07,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 522 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:52:07,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-10 07:52:07,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 193. [2024-11-10 07:52:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 133 states have (on average 1.3233082706766917) internal successors, (176), 134 states have internal predecessors, (176), 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) [2024-11-10 07:52:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2024-11-10 07:52:07,907 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 166 [2024-11-10 07:52:07,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:07,908 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2024-11-10 07:52:07,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-11-10 07:52:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2024-11-10 07:52:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:07,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:07,910 INFO L215 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, 1, 1] [2024-11-10 07:52:07,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 07:52:07,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:07,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:07,911 INFO L85 PathProgramCache]: Analyzing trace with hash -781750072, now seen corresponding path program 1 times [2024-11-10 07:52:07,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:07,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301795394] [2024-11-10 07:52:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:13,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:13,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301795394] [2024-11-10 07:52:13,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301795394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:13,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:13,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:52:13,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881694887] [2024-11-10 07:52:13,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:13,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:52:13,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:13,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:52:13,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:52:13,315 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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) [2024-11-10 07:52:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:15,014 INFO L93 Difference]: Finished difference Result 496 states and 717 transitions. [2024-11-10 07:52:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:52:15,015 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:15,017 INFO L225 Difference]: With dead ends: 496 [2024-11-10 07:52:15,017 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 07:52:15,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-10 07:52:15,018 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 490 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:15,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 642 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:52:15,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 07:52:15,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 194. [2024-11-10 07:52:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 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) [2024-11-10 07:52:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-10 07:52:15,033 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-10 07:52:15,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:15,033 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-10 07:52:15,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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) [2024-11-10 07:52:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-10 07:52:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:15,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:15,034 INFO L215 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, 1, 1] [2024-11-10 07:52:15,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:52:15,035 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:15,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1716265865, now seen corresponding path program 1 times [2024-11-10 07:52:15,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:15,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49361961] [2024-11-10 07:52:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:15,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:20,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:20,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49361961] [2024-11-10 07:52:20,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49361961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:20,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:20,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:52:20,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121245701] [2024-11-10 07:52:20,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:20,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:52:20,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:20,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:52:20,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:52:20,718 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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) [2024-11-10 07:52:22,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:22,934 INFO L93 Difference]: Finished difference Result 434 states and 633 transitions. [2024-11-10 07:52:22,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 07:52:22,934 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:22,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:22,936 INFO L225 Difference]: With dead ends: 434 [2024-11-10 07:52:22,936 INFO L226 Difference]: Without dead ends: 306 [2024-11-10 07:52:22,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-10 07:52:22,937 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 287 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:22,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 561 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:52:22,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-10 07:52:22,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 194. [2024-11-10 07:52:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 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) [2024-11-10 07:52:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-10 07:52:22,957 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-10 07:52:22,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:22,958 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-10 07:52:22,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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) [2024-11-10 07:52:22,958 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-10 07:52:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:22,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:22,959 INFO L215 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, 1, 1] [2024-11-10 07:52:22,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 07:52:22,959 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:22,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:22,960 INFO L85 PathProgramCache]: Analyzing trace with hash 596719018, now seen corresponding path program 1 times [2024-11-10 07:52:22,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:22,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934238691] [2024-11-10 07:52:22,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:22,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:27,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:27,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934238691] [2024-11-10 07:52:27,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934238691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:27,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:27,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 07:52:27,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164986402] [2024-11-10 07:52:27,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:27,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 07:52:27,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:27,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 07:52:27,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 07:52:27,552 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 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) [2024-11-10 07:52:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:28,403 INFO L93 Difference]: Finished difference Result 465 states and 671 transitions. [2024-11-10 07:52:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:52:28,404 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:28,405 INFO L225 Difference]: With dead ends: 465 [2024-11-10 07:52:28,405 INFO L226 Difference]: Without dead ends: 337 [2024-11-10 07:52:28,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:52:28,406 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 145 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:28,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 548 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 07:52:28,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-10 07:52:28,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 194. [2024-11-10 07:52:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 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) [2024-11-10 07:52:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-10 07:52:28,425 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-10 07:52:28,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:28,426 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-10 07:52:28,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 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) [2024-11-10 07:52:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-10 07:52:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:28,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:28,428 INFO L215 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, 1, 1] [2024-11-10 07:52:28,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 07:52:28,428 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:28,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 725801737, now seen corresponding path program 1 times [2024-11-10 07:52:28,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:28,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200889332] [2024-11-10 07:52:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:32,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:32,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200889332] [2024-11-10 07:52:32,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200889332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:32,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:32,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:52:32,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49395412] [2024-11-10 07:52:32,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:32,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:52:32,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:32,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:52:32,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:52:32,058 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-11-10 07:52:32,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:32,455 INFO L93 Difference]: Finished difference Result 419 states and 611 transitions. [2024-11-10 07:52:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:52:32,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:32,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:32,458 INFO L225 Difference]: With dead ends: 419 [2024-11-10 07:52:32,458 INFO L226 Difference]: Without dead ends: 291 [2024-11-10 07:52:32,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:52:32,459 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 274 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:32,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 379 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:52:32,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-10 07:52:32,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 190. [2024-11-10 07:52:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 130 states have (on average 1.323076923076923) internal successors, (172), 131 states have internal predecessors, (172), 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) [2024-11-10 07:52:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 284 transitions. [2024-11-10 07:52:32,477 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 284 transitions. Word has length 166 [2024-11-10 07:52:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:32,477 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 284 transitions. [2024-11-10 07:52:32,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-11-10 07:52:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 284 transitions. [2024-11-10 07:52:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:32,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:32,478 INFO L215 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, 1, 1] [2024-11-10 07:52:32,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 07:52:32,479 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:32,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:32,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1421366968, now seen corresponding path program 1 times [2024-11-10 07:52:32,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:32,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469082156] [2024-11-10 07:52:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:32,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:32,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469082156] [2024-11-10 07:52:32,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469082156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:32,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:32,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:52:32,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501512777] [2024-11-10 07:52:32,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:32,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:52:32,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:32,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:52:32,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:52:32,622 INFO L87 Difference]: Start difference. First operand 190 states and 284 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-10 07:52:32,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:32,684 INFO L93 Difference]: Finished difference Result 347 states and 509 transitions. [2024-11-10 07:52:32,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:52:32,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:32,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:32,686 INFO L225 Difference]: With dead ends: 347 [2024-11-10 07:52:32,686 INFO L226 Difference]: Without dead ends: 218 [2024-11-10 07:52:32,686 INFO L431 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 [2024-11-10 07:52:32,687 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 63 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:32,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 329 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:52:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-10 07:52:32,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2024-11-10 07:52:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 119 states have (on average 1.319327731092437) internal successors, (157), 119 states have internal predecessors, (157), 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) [2024-11-10 07:52:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 261 transitions. [2024-11-10 07:52:32,701 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 261 transitions. Word has length 166 [2024-11-10 07:52:32,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:32,701 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 261 transitions. [2024-11-10 07:52:32,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-10 07:52:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 261 transitions. [2024-11-10 07:52:32,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:32,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:32,702 INFO L215 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, 1, 1] [2024-11-10 07:52:32,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 07:52:32,703 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:32,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:32,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1076648969, now seen corresponding path program 1 times [2024-11-10 07:52:32,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:32,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854525897] [2024-11-10 07:52:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:32,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:52:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:52:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 07:52:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:52:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 07:52:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:52:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 07:52:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:52:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 07:52:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:52:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 07:52:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:52:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 07:52:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:52:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 07:52:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:52:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 07:52:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:52:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 07:52:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:52:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 07:52:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:52:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 07:52:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:52:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:52:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 07:52:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:52:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:52:37,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:52:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854525897] [2024-11-10 07:52:37,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854525897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:52:37,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:52:37,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:52:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310965409] [2024-11-10 07:52:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:52:37,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:52:37,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:52:37,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:52:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:52:37,519 INFO L87 Difference]: Start difference. First operand 176 states and 261 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-11-10 07:52:38,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:52:38,269 INFO L93 Difference]: Finished difference Result 353 states and 512 transitions. [2024-11-10 07:52:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:52:38,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 166 [2024-11-10 07:52:38,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:52:38,278 INFO L225 Difference]: With dead ends: 353 [2024-11-10 07:52:38,278 INFO L226 Difference]: Without dead ends: 242 [2024-11-10 07:52:38,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:52:38,279 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 257 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:52:38,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 418 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:52:38,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-10 07:52:38,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 178. [2024-11-10 07:52:38,297 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) [2024-11-10 07:52:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 264 transitions. [2024-11-10 07:52:38,299 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 264 transitions. Word has length 166 [2024-11-10 07:52:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:52:38,299 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 264 transitions. [2024-11-10 07:52:38,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-11-10 07:52:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 264 transitions. [2024-11-10 07:52:38,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 07:52:38,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:52:38,300 INFO L215 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, 1, 1] [2024-11-10 07:52:38,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 07:52:38,300 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:52:38,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:52:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1205731688, now seen corresponding path program 1 times [2024-11-10 07:52:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:52:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670905134] [2024-11-10 07:52:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:52:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:52:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat