./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.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_fillercode_fillercodestructure_filler-pr-cn_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56df4eb5f1ce718ca5531ff4f8afda450f18f02286533668c4676eba9d6cba09 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:43:36,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:43:37,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:43:37,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:43:37,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:43:37,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:43:37,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:43:37,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:43:37,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:43:37,095 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:43:37,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:43:37,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:43:37,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:43:37,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:43:37,098 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:43:37,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:43:37,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:43:37,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:43:37,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:43:37,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:43:37,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:43:37,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:43:37,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:43:37,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:43:37,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:43:37,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:43:37,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:43:37,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:43:37,106 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:43:37,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:43:37,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:43:37,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:43:37,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:43:37,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:43:37,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:43:37,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:43:37,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:43:37,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:43:37,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:43:37,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:43:37,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:43:37,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:43:37,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56df4eb5f1ce718ca5531ff4f8afda450f18f02286533668c4676eba9d6cba09 [2024-11-10 05:43:37,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:43:37,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:43:37,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:43:37,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:43:37,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:43:37,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i [2024-11-10 05:43:39,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:43:39,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:43:39,256 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i [2024-11-10 05:43:39,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ee2b413/d85a3857563748f389527d88fc5fc000/FLAG6c127d395 [2024-11-10 05:43:39,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ee2b413/d85a3857563748f389527d88fc5fc000 [2024-11-10 05:43:39,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:43:39,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:43:39,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:43:39,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:43:39,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:43:39,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312df628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39, skipping insertion in model container [2024-11-10 05:43:39,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:43:39,527 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i[919,932] [2024-11-10 05:43:39,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:43:39,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:43:39,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i[919,932] [2024-11-10 05:43:39,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:43:39,773 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:43:39,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39 WrapperNode [2024-11-10 05:43:39,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:43:39,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:43:39,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:43:39,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:43:39,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,869 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-11-10 05:43:39,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:43:39,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:43:39,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:43:39,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:43:39,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,926 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 05:43:39,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,942 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:43:39,964 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:43:39,964 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:43:39,964 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:43:39,965 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (1/1) ... [2024-11-10 05:43:39,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:43:40,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:43:40,035 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 05:43:40,041 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 05:43:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:43:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:43:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:43:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:43:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:43:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:43:40,173 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:43:40,175 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:43:40,741 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 05:43:40,742 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:43:40,776 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:43:40,778 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:43:40,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:43:40 BoogieIcfgContainer [2024-11-10 05:43:40,779 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:43:40,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:43:40,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:43:40,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:43:40,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:43:39" (1/3) ... [2024-11-10 05:43:40,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483d74c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:43:40, skipping insertion in model container [2024-11-10 05:43:40,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:43:39" (2/3) ... [2024-11-10 05:43:40,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483d74c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:43:40, skipping insertion in model container [2024-11-10 05:43:40,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:43:40" (3/3) ... [2024-11-10 05:43:40,793 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i [2024-11-10 05:43:40,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:43:40,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:43:40,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:43:40,886 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;@1710e9e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:43:40,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:43:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 72 states have (on average 1.4583333333333333) internal successors, (105), 73 states have internal predecessors, (105), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 05:43:40,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 05:43:40,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:43:40,915 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:40,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:43:40,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:43:40,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1376017869, now seen corresponding path program 1 times [2024-11-10 05:43:40,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:43:40,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051310033] [2024-11-10 05:43:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:43:40,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:43:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:43:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:43:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:43:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:43:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:43:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:43:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:43:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:43:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:43:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:43:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:43:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:43:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:43:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:43:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:43:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:43:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:43:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:43:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:43:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:43:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:43:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:43:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:43:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:43:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:43:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:43:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:43:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:43:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:43:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:43:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:43:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:43:41,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:43:41,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051310033] [2024-11-10 05:43:41,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051310033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:43:41,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:43:41,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:43:41,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619186421] [2024-11-10 05:43:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:43:41,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:43:41,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:43:41,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:43:41,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:43:41,620 INFO L87 Difference]: Start difference. First operand has 106 states, 72 states have (on average 1.4583333333333333) internal successors, (105), 73 states have internal predecessors, (105), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:43:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:43:41,669 INFO L93 Difference]: Finished difference Result 204 states and 358 transitions. [2024-11-10 05:43:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:43:41,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-11-10 05:43:41,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:43:41,679 INFO L225 Difference]: With dead ends: 204 [2024-11-10 05:43:41,679 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 05:43:41,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 05:43:41,686 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:43:41,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:43:41,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 05:43:41,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-10 05:43:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 05:43:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-10 05:43:41,734 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 198 [2024-11-10 05:43:41,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:43:41,735 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-10 05:43:41,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:43:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-10 05:43:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 05:43:41,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:43:41,741 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:41,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:43:41,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:43:41,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:43:41,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1883065836, now seen corresponding path program 1 times [2024-11-10 05:43:41,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:43:41,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227054248] [2024-11-10 05:43:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:43:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:43:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:43:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:43:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:43:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:43:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:43:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:43:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:43:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:43:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:43:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:43:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:43:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:43:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:43:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:43:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:43:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:43:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:43:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:43:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:43:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:43:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:43:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:43:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:43:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:43:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:43:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:43:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:43:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:43:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:43:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:43:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:43:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:43:42,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:43:42,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227054248] [2024-11-10 05:43:42,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227054248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:43:42,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:43:42,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:43:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432068562] [2024-11-10 05:43:42,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:43:42,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:43:42,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:43:42,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:43:42,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:43:42,336 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:42,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:43:42,398 INFO L93 Difference]: Finished difference Result 200 states and 315 transitions. [2024-11-10 05:43:42,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:43:42,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-10 05:43:42,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:43:42,405 INFO L225 Difference]: With dead ends: 200 [2024-11-10 05:43:42,406 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 05:43:42,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:43:42,412 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:43:42,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:43:42,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 05:43:42,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-10 05:43:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 69 states have internal predecessors, (97), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 05:43:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 159 transitions. [2024-11-10 05:43:42,425 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 159 transitions. Word has length 198 [2024-11-10 05:43:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:43:42,428 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 159 transitions. [2024-11-10 05:43:42,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2024-11-10 05:43:42,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 05:43:42,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:43:42,435 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:42,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:43:42,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:43:42,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:43:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1901367283, now seen corresponding path program 1 times [2024-11-10 05:43:42,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:43:42,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905994374] [2024-11-10 05:43:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:43:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:43:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:43:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:43:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:43:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:43:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:43:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:43:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:43:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:43:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:43:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:43:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:43:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:43:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:43:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:43:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:43:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:43:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:43:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:43:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:43:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:43:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:43:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:43:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:43:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:43:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:43:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:43:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:43:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:43:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:43:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:43:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:43:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:43:42,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:43:42,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905994374] [2024-11-10 05:43:42,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905994374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:43:42,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:43:42,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:43:42,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889323186] [2024-11-10 05:43:42,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:43:42,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:43:42,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:43:42,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:43:42,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:43:42,959 INFO L87 Difference]: Start difference. First operand 102 states and 159 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:43:43,272 INFO L93 Difference]: Finished difference Result 302 states and 473 transitions. [2024-11-10 05:43:43,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:43:43,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-10 05:43:43,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:43:43,276 INFO L225 Difference]: With dead ends: 302 [2024-11-10 05:43:43,277 INFO L226 Difference]: Without dead ends: 203 [2024-11-10 05:43:43,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 05:43:43,279 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 156 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:43:43,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 524 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:43:43,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-10 05:43:43,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 156. [2024-11-10 05:43:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 91 states have internal predecessors, (119), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 05:43:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 243 transitions. [2024-11-10 05:43:43,311 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 243 transitions. Word has length 198 [2024-11-10 05:43:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:43:43,312 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 243 transitions. [2024-11-10 05:43:43,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 243 transitions. [2024-11-10 05:43:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 05:43:43,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:43:43,317 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:43,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:43:43,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:43:43,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:43:43,318 INFO L85 PathProgramCache]: Analyzing trace with hash -136689006, now seen corresponding path program 1 times [2024-11-10 05:43:43,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:43:43,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378285948] [2024-11-10 05:43:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:43:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:43:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:43:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:43:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:43:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:43:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:43:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:43:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:43:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:43:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:43:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:43:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:43:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:43:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:43:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:43:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:43:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:43:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:43:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:43:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:43:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:43:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:43:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:43:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:43:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:43:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:43:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:43:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:43:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:43:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:43:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:43:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:43:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:43:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:43:51,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378285948] [2024-11-10 05:43:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378285948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:43:51,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:43:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 05:43:51,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653379359] [2024-11-10 05:43:51,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:43:51,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 05:43:51,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:43:51,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 05:43:51,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-10 05:43:51,012 INFO L87 Difference]: Start difference. First operand 156 states and 243 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:52,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:43:52,564 INFO L93 Difference]: Finished difference Result 409 states and 632 transitions. [2024-11-10 05:43:52,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 05:43:52,565 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-10 05:43:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:43:52,569 INFO L225 Difference]: With dead ends: 409 [2024-11-10 05:43:52,571 INFO L226 Difference]: Without dead ends: 310 [2024-11-10 05:43:52,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2024-11-10 05:43:52,574 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 538 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 05:43:52,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1186 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 05:43:52,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-10 05:43:52,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 198. [2024-11-10 05:43:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 133 states have (on average 1.3834586466165413) internal successors, (184), 133 states have internal predecessors, (184), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 05:43:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 308 transitions. [2024-11-10 05:43:52,603 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 308 transitions. Word has length 198 [2024-11-10 05:43:52,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:43:52,604 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 308 transitions. [2024-11-10 05:43:52,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 308 transitions. [2024-11-10 05:43:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 05:43:52,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:43:52,607 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:52,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:43:52,608 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:43:52,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:43:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1370862803, now seen corresponding path program 1 times [2024-11-10 05:43:52,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:43:52,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597652225] [2024-11-10 05:43:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:43:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:43:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:43:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:43:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:43:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:43:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:43:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:43:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:43:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:43:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:43:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:43:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:43:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:43:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:43:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:43:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:43:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:43:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:43:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:43:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:43:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:43:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:43:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:43:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:43:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:43:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:43:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:43:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:43:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:43:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:43:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:43:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:43:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:43:52,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:43:52,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597652225] [2024-11-10 05:43:52,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597652225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:43:52,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:43:52,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:43:52,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761134444] [2024-11-10 05:43:52,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:43:52,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:43:52,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:43:52,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:43:52,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:43:52,813 INFO L87 Difference]: Start difference. First operand 198 states and 308 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:52,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:43:52,893 INFO L93 Difference]: Finished difference Result 395 states and 618 transitions. [2024-11-10 05:43:52,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:43:52,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-10 05:43:52,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:43:52,900 INFO L225 Difference]: With dead ends: 395 [2024-11-10 05:43:52,900 INFO L226 Difference]: Without dead ends: 296 [2024-11-10 05:43:52,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:43:52,902 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 150 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:43:52,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 344 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:43:52,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-10 05:43:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 293. [2024-11-10 05:43:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3826530612244898) internal successors, (271), 196 states have internal predecessors, (271), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:43:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 457 transitions. [2024-11-10 05:43:52,941 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 457 transitions. Word has length 198 [2024-11-10 05:43:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:43:52,942 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 457 transitions. [2024-11-10 05:43:52,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:43:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 457 transitions. [2024-11-10 05:43:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 05:43:52,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:43:52,945 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:52,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:43:52,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:43:52,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:43:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1412463888, now seen corresponding path program 1 times [2024-11-10 05:43:52,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:43:52,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142471050] [2024-11-10 05:43:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:43:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:43:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:43:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:43:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:44:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:44:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:44:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:44:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:44:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:44:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:44:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:44:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:44:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:44:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:44:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:44:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:44:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:44:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:44:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:44:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:44:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:44:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:44:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:44:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:44:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:44:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:44:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:44:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:44:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:44:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:44:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:44:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:44:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:44:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:44:00,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:44:00,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142471050] [2024-11-10 05:44:00,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142471050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:44:00,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:44:00,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:44:00,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574159271] [2024-11-10 05:44:00,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:44:00,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:44:00,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:44:00,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:44:00,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:44:00,192 INFO L87 Difference]: Start difference. First operand 293 states and 457 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:44:03,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:44:03,713 INFO L93 Difference]: Finished difference Result 389 states and 588 transitions. [2024-11-10 05:44:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 05:44:03,714 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 05:44:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:44:03,717 INFO L225 Difference]: With dead ends: 389 [2024-11-10 05:44:03,718 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 05:44:03,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2024-11-10 05:44:03,720 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 582 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 05:44:03,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 1272 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 05:44:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 05:44:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 294. [2024-11-10 05:44:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.380710659898477) internal successors, (272), 197 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:44:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 458 transitions. [2024-11-10 05:44:03,758 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 458 transitions. Word has length 199 [2024-11-10 05:44:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:44:03,759 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 458 transitions. [2024-11-10 05:44:03,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:44:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2024-11-10 05:44:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 05:44:03,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:44:03,762 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:03,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 05:44:03,762 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:44:03,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:44:03,763 INFO L85 PathProgramCache]: Analyzing trace with hash -466639379, now seen corresponding path program 1 times [2024-11-10 05:44:03,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:44:03,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498479430] [2024-11-10 05:44:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:44:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:44:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:03,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:44:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:44:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:44:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:44:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:44:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:44:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:44:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:44:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:44:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:44:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:44:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:44:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:44:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:44:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:44:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:44:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:44:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:44:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:44:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:44:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:44:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:44:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:44:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:44:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:44:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:44:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:44:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:44:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:44:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:44:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:44:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:44:04,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:44:04,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498479430] [2024-11-10 05:44:04,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498479430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:44:04,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:44:04,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:44:04,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440797627] [2024-11-10 05:44:04,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:44:04,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:44:04,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:44:04,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:44:04,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:44:04,064 INFO L87 Difference]: Start difference. First operand 294 states and 458 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:44:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:44:04,129 INFO L93 Difference]: Finished difference Result 511 states and 792 transitions. [2024-11-10 05:44:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:44:04,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 05:44:04,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:44:04,133 INFO L225 Difference]: With dead ends: 511 [2024-11-10 05:44:04,133 INFO L226 Difference]: Without dead ends: 314 [2024-11-10 05:44:04,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:44:04,135 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 68 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:44:04,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 316 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:44:04,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-10 05:44:04,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2024-11-10 05:44:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 203 states have (on average 1.354679802955665) internal successors, (275), 203 states have internal predecessors, (275), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:44:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 461 transitions. [2024-11-10 05:44:04,173 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 461 transitions. Word has length 199 [2024-11-10 05:44:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:44:04,174 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 461 transitions. [2024-11-10 05:44:04,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:44:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 461 transitions. [2024-11-10 05:44:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 05:44:04,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:44:04,177 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:04,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 05:44:04,178 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:44:04,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:44:04,178 INFO L85 PathProgramCache]: Analyzing trace with hash 2020873454, now seen corresponding path program 1 times [2024-11-10 05:44:04,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:44:04,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935281520] [2024-11-10 05:44:04,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:44:04,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:44:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:44:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:44:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:44:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:44:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:44:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:44:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:44:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:44:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:44:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:44:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:44:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:44:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:44:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:44:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:44:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:44:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:44:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:44:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:44:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:44:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:44:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:44:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:44:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:44:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:44:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:44:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:44:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:44:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:44:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:44:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:44:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:44:10,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:44:10,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935281520] [2024-11-10 05:44:10,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935281520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:44:10,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:44:10,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 05:44:10,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624899774] [2024-11-10 05:44:10,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:44:10,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 05:44:10,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:44:10,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 05:44:10,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-10 05:44:10,120 INFO L87 Difference]: Start difference. First operand 302 states and 461 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:44:14,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:44:14,389 INFO L93 Difference]: Finished difference Result 397 states and 589 transitions. [2024-11-10 05:44:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 05:44:14,391 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2024-11-10 05:44:14,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:44:14,393 INFO L225 Difference]: With dead ends: 397 [2024-11-10 05:44:14,394 INFO L226 Difference]: Without dead ends: 394 [2024-11-10 05:44:14,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2024-11-10 05:44:14,396 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 816 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:44:14,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1355 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-10 05:44:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-10 05:44:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 302. [2024-11-10 05:44:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 203 states have (on average 1.354679802955665) internal successors, (275), 203 states have internal predecessors, (275), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:44:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 461 transitions. [2024-11-10 05:44:14,429 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 461 transitions. Word has length 199 [2024-11-10 05:44:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:44:14,430 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 461 transitions. [2024-11-10 05:44:14,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:44:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 461 transitions. [2024-11-10 05:44:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 05:44:14,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:44:14,432 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:14,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 05:44:14,432 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:44:14,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:44:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash 597964289, now seen corresponding path program 1 times [2024-11-10 05:44:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:44:14,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557174982] [2024-11-10 05:44:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:44:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:44:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:44:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:44:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:44:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:44:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:44:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:44:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:44:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:44:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:44:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:44:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:44:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:44:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:44:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:44:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:44:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:44:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:44:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:44:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:44:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:44:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:44:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:44:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:44:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:44:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:44:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:44:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:44:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:44:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:44:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:44:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:44:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:44:21,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:44:21,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557174982] [2024-11-10 05:44:21,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557174982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:44:21,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:44:21,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 05:44:21,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890186016] [2024-11-10 05:44:21,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:44:21,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 05:44:21,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:44:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 05:44:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-10 05:44:21,153 INFO L87 Difference]: Start difference. First operand 302 states and 461 transitions. Second operand has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-10 05:44:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:44:28,844 INFO L93 Difference]: Finished difference Result 432 states and 636 transitions. [2024-11-10 05:44:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 05:44:28,847 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 199 [2024-11-10 05:44:28,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:44:28,851 INFO L225 Difference]: With dead ends: 432 [2024-11-10 05:44:28,852 INFO L226 Difference]: Without dead ends: 429 [2024-11-10 05:44:28,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=328, Invalid=862, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 05:44:28,854 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 601 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:44:28,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1671 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-10 05:44:28,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-10 05:44:28,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 321. [2024-11-10 05:44:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 222 states have (on average 1.3693693693693694) internal successors, (304), 222 states have internal predecessors, (304), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:44:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 490 transitions. [2024-11-10 05:44:28,881 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 490 transitions. Word has length 199 [2024-11-10 05:44:28,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:44:28,882 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 490 transitions. [2024-11-10 05:44:28,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-10 05:44:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 490 transitions. [2024-11-10 05:44:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 05:44:28,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:44:28,884 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:28,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 05:44:28,885 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:44:28,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:44:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash 304561282, now seen corresponding path program 1 times [2024-11-10 05:44:28,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:44:28,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455309469] [2024-11-10 05:44:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:44:28,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:44:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:44:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:44:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:44:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:44:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:44:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:44:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:44:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:44:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:44:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:44:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:44:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:44:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:44:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:44:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:44:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:44:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:44:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:44:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:44:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:44:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:44:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:44:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:44:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:44:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:44:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:44:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:44:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:44:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:44:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:44:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:44:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:44:33,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:44:33,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455309469] [2024-11-10 05:44:33,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455309469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:44:33,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:44:33,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 05:44:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413785280] [2024-11-10 05:44:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:44:33,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 05:44:33,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:44:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 05:44:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-10 05:44:33,708 INFO L87 Difference]: Start difference. First operand 321 states and 490 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:44:37,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:44:37,011 INFO L93 Difference]: Finished difference Result 424 states and 628 transitions. [2024-11-10 05:44:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 05:44:37,013 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-10 05:44:37,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:44:37,016 INFO L225 Difference]: With dead ends: 424 [2024-11-10 05:44:37,016 INFO L226 Difference]: Without dead ends: 421 [2024-11-10 05:44:37,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 05:44:37,018 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 593 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:44:37,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 1211 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 05:44:37,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-10 05:44:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 321. [2024-11-10 05:44:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 222 states have (on average 1.3693693693693694) internal successors, (304), 222 states have internal predecessors, (304), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:44:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 490 transitions. [2024-11-10 05:44:37,043 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 490 transitions. Word has length 199 [2024-11-10 05:44:37,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:44:37,044 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 490 transitions. [2024-11-10 05:44:37,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:44:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 490 transitions. [2024-11-10 05:44:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 05:44:37,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:44:37,046 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:37,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 05:44:37,047 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:44:37,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:44:37,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1047462932, now seen corresponding path program 1 times [2024-11-10 05:44:37,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:44:37,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642215878] [2024-11-10 05:44:37,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:44:37,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:44:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:44:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:44:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:44:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:44:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:44:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:44:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:44:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:44:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:44:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:44:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:44:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:44:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:44:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:44:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:44:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:44:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:44:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:44:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:44:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:44:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:44:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:44:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:44:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:44:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:44:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:44:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:44:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:44:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 05:44:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:44:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 05:44:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:44:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:44:40,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:44:40,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642215878] [2024-11-10 05:44:40,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642215878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:44:40,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:44:40,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 05:44:40,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185882855] [2024-11-10 05:44:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:44:40,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 05:44:40,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:44:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 05:44:40,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-10 05:44:40,569 INFO L87 Difference]: Start difference. First operand 321 states and 490 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:44:42,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:44:42,445 INFO L93 Difference]: Finished difference Result 409 states and 606 transitions. [2024-11-10 05:44:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 05:44:42,447 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2024-11-10 05:44:42,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:44:42,449 INFO L225 Difference]: With dead ends: 409 [2024-11-10 05:44:42,449 INFO L226 Difference]: Without dead ends: 406 [2024-11-10 05:44:42,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=377, Invalid=1105, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 05:44:42,451 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 734 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:44:42,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1554 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 05:44:42,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-10 05:44:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 318. [2024-11-10 05:44:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 219 states have (on average 1.36986301369863) internal successors, (300), 219 states have internal predecessors, (300), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 05:44:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 486 transitions. [2024-11-10 05:44:42,474 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 486 transitions. Word has length 200 [2024-11-10 05:44:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:44:42,475 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 486 transitions. [2024-11-10 05:44:42,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:44:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 486 transitions. [2024-11-10 05:44:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 05:44:42,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:44:42,478 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:42,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 05:44:42,478 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:44:42,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:44:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash 774455458, now seen corresponding path program 1 times [2024-11-10 05:44:42,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:44:42,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127269435] [2024-11-10 05:44:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:44:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:44:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat