./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.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 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:05:25,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:05:25,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 16:05:25,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:05:25,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:05:25,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:05:25,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:05:25,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:05:25,283 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:05:25,284 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:05:25,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:05:25,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:05:25,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:05:25,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:05:25,288 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:05:25,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:05:25,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:05:25,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:05:25,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 16:05:25,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:05:25,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:05:25,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:05:25,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:05:25,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:05:25,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:05:25,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:05:25,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:05:25,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:05:25,296 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:05:25,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:05:25,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:05:25,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:05:25,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:05:25,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:05:25,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:05:25,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:05:25,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 16:05:25,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 16:05:25,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:05:25,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:05:25,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:05:25,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:05:25,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53755642d89d6037be376831b03479fef7eeb8c5758e8107a832bfc0071676df [2024-11-16 16:05:25,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:05:25,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:05:25,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:05:25,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:05:25,572 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:05:25,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2024-11-16 16:05:27,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:05:27,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:05:27,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i [2024-11-16 16:05:27,258 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e96af0f3/a7045bb499be481f84427d33714813fb/FLAG14a6b615d [2024-11-16 16:05:27,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e96af0f3/a7045bb499be481f84427d33714813fb [2024-11-16 16:05:27,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:05:27,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:05:27,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:05:27,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:05:27,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:05:27,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:05:27" (1/1) ... [2024-11-16 16:05:27,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714e389a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:27, skipping insertion in model container [2024-11-16 16:05:27,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:05:27" (1/1) ... [2024-11-16 16:05:27,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:05:27,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2024-11-16 16:05:27,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:05:27,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:05:27,972 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-88.i[916,929] [2024-11-16 16:05:28,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:05:28,031 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:05:28,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28 WrapperNode [2024-11-16 16:05:28,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:05:28,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:05:28,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:05:28,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:05:28,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,091 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 285 [2024-11-16 16:05:28,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:05:28,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:05:28,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:05:28,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:05:28,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,164 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 16:05:28,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,186 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:05:28,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:05:28,210 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:05:28,210 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:05:28,211 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (1/1) ... [2024-11-16 16:05:28,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:05:28,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:05:28,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 16:05:28,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 16:05:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:05:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:05:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:05:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 16:05:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:05:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:05:28,379 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:05:28,380 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:05:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: havoc property_#t~ite24#1;havoc property_#t~bitwise23#1;havoc property_#t~short25#1;havoc property_#t~ite27#1;havoc property_#t~bitwise26#1;havoc property_#t~short28#1;havoc property_#t~bitwise29#1;havoc property_#t~short30#1; [2024-11-16 16:05:28,921 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-16 16:05:28,922 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:05:28,949 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:05:28,952 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 16:05:28,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:05:28 BoogieIcfgContainer [2024-11-16 16:05:28,952 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:05:28,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:05:28,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:05:28,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:05:28,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:05:27" (1/3) ... [2024-11-16 16:05:28,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e3b581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:05:28, skipping insertion in model container [2024-11-16 16:05:28,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:05:28" (2/3) ... [2024-11-16 16:05:28,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e3b581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:05:28, skipping insertion in model container [2024-11-16 16:05:28,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:05:28" (3/3) ... [2024-11-16 16:05:28,964 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-88.i [2024-11-16 16:05:28,982 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:05:28,984 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:05:29,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:05:29,060 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;@2b0c47ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:05:29,061 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:05:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 89 states have (on average 1.4157303370786516) internal successors, (126), 90 states have internal predecessors, (126), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 16:05:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-16 16:05:29,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:29,081 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:29,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:29,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:29,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1731993201, now seen corresponding path program 1 times [2024-11-16 16:05:29,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:29,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350836492] [2024-11-16 16:05:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:29,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:29,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:29,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350836492] [2024-11-16 16:05:29,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350836492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:29,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:29,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 16:05:29,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273254026] [2024-11-16 16:05:29,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:29,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 16:05:29,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:29,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 16:05:29,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:05:29,588 INFO L87 Difference]: Start difference. First operand has 120 states, 89 states have (on average 1.4157303370786516) internal successors, (126), 90 states have internal predecessors, (126), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-16 16:05:29,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:29,628 INFO L93 Difference]: Finished difference Result 236 states and 388 transitions. [2024-11-16 16:05:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 16:05:29,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 193 [2024-11-16 16:05:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:29,639 INFO L225 Difference]: With dead ends: 236 [2024-11-16 16:05:29,639 INFO L226 Difference]: Without dead ends: 115 [2024-11-16 16:05:29,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:05:29,645 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:29,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 16:05:29,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-16 16:05:29,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-16 16:05:29,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 85 states have (on average 1.388235294117647) internal successors, (118), 85 states have internal predecessors, (118), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 16:05:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 174 transitions. [2024-11-16 16:05:29,696 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 174 transitions. Word has length 193 [2024-11-16 16:05:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:29,697 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 174 transitions. [2024-11-16 16:05:29,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-16 16:05:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2024-11-16 16:05:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-16 16:05:29,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:29,702 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:29,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 16:05:29,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:29,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:29,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1026099283, now seen corresponding path program 1 times [2024-11-16 16:05:29,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:29,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663140721] [2024-11-16 16:05:29,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:30,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:30,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663140721] [2024-11-16 16:05:30,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663140721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:30,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:30,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:05:30,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416170162] [2024-11-16 16:05:30,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:30,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:05:30,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:30,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:05:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:05:30,500 INFO L87 Difference]: Start difference. First operand 115 states and 174 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:30,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:30,743 INFO L93 Difference]: Finished difference Result 381 states and 575 transitions. [2024-11-16 16:05:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:05:30,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 193 [2024-11-16 16:05:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:30,748 INFO L225 Difference]: With dead ends: 381 [2024-11-16 16:05:30,748 INFO L226 Difference]: Without dead ends: 269 [2024-11-16 16:05:30,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:05:30,750 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 255 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:30,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 472 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:05:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-16 16:05:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 220. [2024-11-16 16:05:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 161 states have (on average 1.3664596273291925) internal successors, (220), 161 states have internal predecessors, (220), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 16:05:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 332 transitions. [2024-11-16 16:05:30,788 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 332 transitions. Word has length 193 [2024-11-16 16:05:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:30,789 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 332 transitions. [2024-11-16 16:05:30,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 332 transitions. [2024-11-16 16:05:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 16:05:30,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:30,792 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:30,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 16:05:30,793 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:30,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:30,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1817375258, now seen corresponding path program 1 times [2024-11-16 16:05:30,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:30,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249569198] [2024-11-16 16:05:30,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:30,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:31,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:31,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249569198] [2024-11-16 16:05:31,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249569198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:31,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:31,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:05:31,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930510921] [2024-11-16 16:05:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:31,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:05:31,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:05:31,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:05:31,528 INFO L87 Difference]: Start difference. First operand 220 states and 332 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:32,002 INFO L93 Difference]: Finished difference Result 590 states and 888 transitions. [2024-11-16 16:05:32,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:05:32,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-16 16:05:32,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:32,007 INFO L225 Difference]: With dead ends: 590 [2024-11-16 16:05:32,007 INFO L226 Difference]: Without dead ends: 373 [2024-11-16 16:05:32,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:05:32,013 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 110 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:32,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 532 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:05:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-16 16:05:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 286. [2024-11-16 16:05:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 198 states have internal predecessors, (264), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 16:05:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 432 transitions. [2024-11-16 16:05:32,073 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 432 transitions. Word has length 194 [2024-11-16 16:05:32,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:32,076 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 432 transitions. [2024-11-16 16:05:32,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 432 transitions. [2024-11-16 16:05:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 16:05:32,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:32,082 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:32,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 16:05:32,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:32,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:32,083 INFO L85 PathProgramCache]: Analyzing trace with hash -220681031, now seen corresponding path program 1 times [2024-11-16 16:05:32,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:32,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942758635] [2024-11-16 16:05:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:32,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:33,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:33,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942758635] [2024-11-16 16:05:33,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942758635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:33,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:33,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 16:05:33,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075922776] [2024-11-16 16:05:33,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:33,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 16:05:33,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:33,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 16:05:33,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 16:05:33,020 INFO L87 Difference]: Start difference. First operand 286 states and 432 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:34,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:34,319 INFO L93 Difference]: Finished difference Result 968 states and 1462 transitions. [2024-11-16 16:05:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:05:34,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-16 16:05:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:34,327 INFO L225 Difference]: With dead ends: 968 [2024-11-16 16:05:34,327 INFO L226 Difference]: Without dead ends: 751 [2024-11-16 16:05:34,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:05:34,329 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 491 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:34,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 747 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 16:05:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-16 16:05:34,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 411. [2024-11-16 16:05:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 294 states have (on average 1.3605442176870748) internal successors, (400), 294 states have internal predecessors, (400), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-16 16:05:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 624 transitions. [2024-11-16 16:05:34,442 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 624 transitions. Word has length 194 [2024-11-16 16:05:34,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:34,443 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 624 transitions. [2024-11-16 16:05:34,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 624 transitions. [2024-11-16 16:05:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 16:05:34,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:34,447 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:34,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 16:05:34,448 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:34,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash -731215208, now seen corresponding path program 1 times [2024-11-16 16:05:34,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:34,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577823802] [2024-11-16 16:05:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:34,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:34,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577823802] [2024-11-16 16:05:34,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577823802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:34,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:34,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 16:05:34,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285027630] [2024-11-16 16:05:34,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:34,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 16:05:34,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:34,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 16:05:34,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 16:05:34,944 INFO L87 Difference]: Start difference. First operand 411 states and 624 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:35,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:35,862 INFO L93 Difference]: Finished difference Result 1316 states and 1998 transitions. [2024-11-16 16:05:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 16:05:35,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-16 16:05:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:35,868 INFO L225 Difference]: With dead ends: 1316 [2024-11-16 16:05:35,868 INFO L226 Difference]: Without dead ends: 974 [2024-11-16 16:05:35,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 16:05:35,873 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 612 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:35,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 727 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 16:05:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-11-16 16:05:35,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 538. [2024-11-16 16:05:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 392 states have (on average 1.3801020408163265) internal successors, (541), 392 states have internal predecessors, (541), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-16 16:05:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 821 transitions. [2024-11-16 16:05:35,981 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 821 transitions. Word has length 194 [2024-11-16 16:05:35,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:35,981 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 821 transitions. [2024-11-16 16:05:35,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 821 transitions. [2024-11-16 16:05:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-16 16:05:35,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:35,984 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:35,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 16:05:35,985 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:35,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:35,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1402824437, now seen corresponding path program 1 times [2024-11-16 16:05:35,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:35,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478590951] [2024-11-16 16:05:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:35,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:36,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:36,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478590951] [2024-11-16 16:05:36,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478590951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:36,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:36,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:05:36,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237561031] [2024-11-16 16:05:36,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:36,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:05:36,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:36,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:05:36,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:05:36,258 INFO L87 Difference]: Start difference. First operand 538 states and 821 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:36,714 INFO L93 Difference]: Finished difference Result 1458 states and 2227 transitions. [2024-11-16 16:05:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:05:36,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-16 16:05:36,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:36,721 INFO L225 Difference]: With dead ends: 1458 [2024-11-16 16:05:36,721 INFO L226 Difference]: Without dead ends: 989 [2024-11-16 16:05:36,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:05:36,724 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 168 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:36,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 453 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 16:05:36,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-16 16:05:36,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2024-11-16 16:05:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 724 states have (on average 1.3715469613259668) internal successors, (993), 724 states have internal predecessors, (993), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-16 16:05:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1497 transitions. [2024-11-16 16:05:36,901 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1497 transitions. Word has length 195 [2024-11-16 16:05:36,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:36,902 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1497 transitions. [2024-11-16 16:05:36,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1497 transitions. [2024-11-16 16:05:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-16 16:05:36,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:36,904 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:36,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 16:05:36,904 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:36,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:36,905 INFO L85 PathProgramCache]: Analyzing trace with hash 354479516, now seen corresponding path program 1 times [2024-11-16 16:05:36,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:36,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240985869] [2024-11-16 16:05:36,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:36,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:37,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:37,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240985869] [2024-11-16 16:05:37,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240985869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:37,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:37,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 16:05:37,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935140549] [2024-11-16 16:05:37,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:37,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 16:05:37,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:37,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 16:05:37,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:05:37,062 INFO L87 Difference]: Start difference. First operand 986 states and 1497 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:37,316 INFO L93 Difference]: Finished difference Result 1981 states and 3013 transitions. [2024-11-16 16:05:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 16:05:37,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 196 [2024-11-16 16:05:37,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:37,327 INFO L225 Difference]: With dead ends: 1981 [2024-11-16 16:05:37,327 INFO L226 Difference]: Without dead ends: 1066 [2024-11-16 16:05:37,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:05:37,331 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 19 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:37,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 290 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 16:05:37,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-11-16 16:05:37,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 986. [2024-11-16 16:05:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 724 states have (on average 1.3660220994475138) internal successors, (989), 724 states have internal predecessors, (989), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-16 16:05:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1493 transitions. [2024-11-16 16:05:37,487 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1493 transitions. Word has length 196 [2024-11-16 16:05:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:37,488 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1493 transitions. [2024-11-16 16:05:37,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1493 transitions. [2024-11-16 16:05:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-16 16:05:37,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:37,490 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:37,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 16:05:37,491 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:37,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:37,491 INFO L85 PathProgramCache]: Analyzing trace with hash -420931302, now seen corresponding path program 1 times [2024-11-16 16:05:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502148822] [2024-11-16 16:05:37,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:37,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-16 16:05:38,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:38,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502148822] [2024-11-16 16:05:38,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502148822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:05:38,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771528510] [2024-11-16 16:05:38,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:38,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:05:38,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:05:38,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 16:05:38,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 16:05:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:38,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 16:05:38,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:05:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:38,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 16:05:38,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771528510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:38,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 16:05:38,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-16 16:05:38,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814181091] [2024-11-16 16:05:38,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:38,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:05:38,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:38,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:05:38,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:05:38,488 INFO L87 Difference]: Start difference. First operand 986 states and 1493 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:39,165 INFO L93 Difference]: Finished difference Result 2633 states and 3991 transitions. [2024-11-16 16:05:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:05:39,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-16 16:05:39,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:39,175 INFO L225 Difference]: With dead ends: 2633 [2024-11-16 16:05:39,175 INFO L226 Difference]: Without dead ends: 1714 [2024-11-16 16:05:39,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-16 16:05:39,178 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 278 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:39,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 954 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:05:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-11-16 16:05:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1436. [2024-11-16 16:05:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1058 states have (on average 1.3487712665406428) internal successors, (1427), 1058 states have internal predecessors, (1427), 364 states have call successors, (364), 13 states have call predecessors, (364), 13 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-16 16:05:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2155 transitions. [2024-11-16 16:05:39,464 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2155 transitions. Word has length 197 [2024-11-16 16:05:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:39,464 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 2155 transitions. [2024-11-16 16:05:39,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2155 transitions. [2024-11-16 16:05:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-16 16:05:39,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:39,469 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:39,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 16:05:39,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:05:39,670 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:39,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:39,670 INFO L85 PathProgramCache]: Analyzing trace with hash -382563982, now seen corresponding path program 1 times [2024-11-16 16:05:39,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:39,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959810643] [2024-11-16 16:05:39,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:39,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:40,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:40,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959810643] [2024-11-16 16:05:40,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959810643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:40,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:40,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 16:05:40,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845725212] [2024-11-16 16:05:40,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:40,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 16:05:40,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:40,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 16:05:40,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 16:05:40,731 INFO L87 Difference]: Start difference. First operand 1436 states and 2155 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:42,737 INFO L93 Difference]: Finished difference Result 2906 states and 4354 transitions. [2024-11-16 16:05:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 16:05:42,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-16 16:05:42,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:42,751 INFO L225 Difference]: With dead ends: 2906 [2024-11-16 16:05:42,751 INFO L226 Difference]: Without dead ends: 1541 [2024-11-16 16:05:42,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-16 16:05:42,757 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 380 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:42,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1002 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 16:05:42,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-16 16:05:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1437. [2024-11-16 16:05:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1059 states have (on average 1.348441926345609) internal successors, (1428), 1059 states have internal predecessors, (1428), 364 states have call successors, (364), 13 states have call predecessors, (364), 13 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-16 16:05:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 2156 transitions. [2024-11-16 16:05:42,981 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 2156 transitions. Word has length 197 [2024-11-16 16:05:42,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:42,985 INFO L471 AbstractCegarLoop]: Abstraction has 1437 states and 2156 transitions. [2024-11-16 16:05:42,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2156 transitions. [2024-11-16 16:05:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 16:05:42,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:42,988 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:42,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 16:05:42,989 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:42,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:42,989 INFO L85 PathProgramCache]: Analyzing trace with hash -77548269, now seen corresponding path program 1 times [2024-11-16 16:05:42,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:42,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188687613] [2024-11-16 16:05:42,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:42,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:43,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188687613] [2024-11-16 16:05:43,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188687613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:43,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:43,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 16:05:43,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843628353] [2024-11-16 16:05:43,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:43,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 16:05:43,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:43,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 16:05:43,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:05:43,401 INFO L87 Difference]: Start difference. First operand 1437 states and 2156 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:44,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:44,405 INFO L93 Difference]: Finished difference Result 3306 states and 4902 transitions. [2024-11-16 16:05:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 16:05:44,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 198 [2024-11-16 16:05:44,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:44,417 INFO L225 Difference]: With dead ends: 3306 [2024-11-16 16:05:44,418 INFO L226 Difference]: Without dead ends: 1940 [2024-11-16 16:05:44,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-16 16:05:44,422 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 412 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:44,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 544 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 16:05:44,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-16 16:05:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1871. [2024-11-16 16:05:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1432 states have (on average 1.3470670391061452) internal successors, (1929), 1438 states have internal predecessors, (1929), 418 states have call successors, (418), 20 states have call predecessors, (418), 20 states have return successors, (418), 412 states have call predecessors, (418), 418 states have call successors, (418) [2024-11-16 16:05:44,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2765 transitions. [2024-11-16 16:05:44,702 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2765 transitions. Word has length 198 [2024-11-16 16:05:44,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:44,703 INFO L471 AbstractCegarLoop]: Abstraction has 1871 states and 2765 transitions. [2024-11-16 16:05:44,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2765 transitions. [2024-11-16 16:05:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 16:05:44,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:44,706 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:44,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 16:05:44,707 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:44,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash -206630988, now seen corresponding path program 1 times [2024-11-16 16:05:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:44,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104055350] [2024-11-16 16:05:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-16 16:05:45,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:45,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104055350] [2024-11-16 16:05:45,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104055350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:05:45,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864711499] [2024-11-16 16:05:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:45,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:05:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:05:45,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 16:05:45,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 16:05:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:45,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 16:05:45,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:05:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 283 proven. 3 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2024-11-16 16:05:45,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:05:46,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 6 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2024-11-16 16:05:46,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864711499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 16:05:46,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 16:05:46,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-16 16:05:46,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264876227] [2024-11-16 16:05:46,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 16:05:46,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 16:05:46,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:46,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 16:05:46,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-16 16:05:46,098 INFO L87 Difference]: Start difference. First operand 1871 states and 2765 transitions. Second operand has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-16 16:05:46,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:46,838 INFO L93 Difference]: Finished difference Result 2918 states and 4238 transitions. [2024-11-16 16:05:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 16:05:46,839 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 198 [2024-11-16 16:05:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:46,849 INFO L225 Difference]: With dead ends: 2918 [2024-11-16 16:05:46,849 INFO L226 Difference]: Without dead ends: 1127 [2024-11-16 16:05:46,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2024-11-16 16:05:46,853 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 702 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:46,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 415 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 16:05:46,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-11-16 16:05:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1059. [2024-11-16 16:05:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 810 states have (on average 1.3135802469135802) internal successors, (1064), 813 states have internal predecessors, (1064), 223 states have call successors, (223), 25 states have call predecessors, (223), 25 states have return successors, (223), 220 states have call predecessors, (223), 223 states have call successors, (223) [2024-11-16 16:05:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1510 transitions. [2024-11-16 16:05:47,086 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1510 transitions. Word has length 198 [2024-11-16 16:05:47,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:47,088 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1510 transitions. [2024-11-16 16:05:47,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-16 16:05:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1510 transitions. [2024-11-16 16:05:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 16:05:47,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:47,090 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:47,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 16:05:47,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-16 16:05:47,292 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:47,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1384634997, now seen corresponding path program 1 times [2024-11-16 16:05:47,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:47,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112322102] [2024-11-16 16:05:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:47,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:47,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:47,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112322102] [2024-11-16 16:05:47,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112322102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:47,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:47,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:05:47,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921646119] [2024-11-16 16:05:47,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:47,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:05:47,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:47,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:05:47,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:05:47,662 INFO L87 Difference]: Start difference. First operand 1059 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:48,723 INFO L93 Difference]: Finished difference Result 3019 states and 4314 transitions. [2024-11-16 16:05:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:05:48,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 198 [2024-11-16 16:05:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:48,734 INFO L225 Difference]: With dead ends: 3019 [2024-11-16 16:05:48,734 INFO L226 Difference]: Without dead ends: 2048 [2024-11-16 16:05:48,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 16:05:48,737 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 284 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:48,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 738 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 16:05:48,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-16 16:05:49,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1478. [2024-11-16 16:05:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1157 states have (on average 1.3163353500432151) internal successors, (1523), 1161 states have internal predecessors, (1523), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 284 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-16 16:05:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2099 transitions. [2024-11-16 16:05:49,025 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2099 transitions. Word has length 198 [2024-11-16 16:05:49,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:49,025 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 2099 transitions. [2024-11-16 16:05:49,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2099 transitions. [2024-11-16 16:05:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 16:05:49,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:49,028 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:49,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 16:05:49,028 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:49,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:49,029 INFO L85 PathProgramCache]: Analyzing trace with hash -282077409, now seen corresponding path program 1 times [2024-11-16 16:05:49,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:49,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872966300] [2024-11-16 16:05:49,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:49,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:50,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:50,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872966300] [2024-11-16 16:05:50,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872966300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:50,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:50,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:05:50,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317161906] [2024-11-16 16:05:50,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:50,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:05:50,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:50,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:05:50,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:05:50,221 INFO L87 Difference]: Start difference. First operand 1478 states and 2099 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:51,174 INFO L93 Difference]: Finished difference Result 3261 states and 4613 transitions. [2024-11-16 16:05:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 16:05:51,175 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 198 [2024-11-16 16:05:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:51,185 INFO L225 Difference]: With dead ends: 3261 [2024-11-16 16:05:51,186 INFO L226 Difference]: Without dead ends: 1871 [2024-11-16 16:05:51,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-16 16:05:51,192 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 146 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:51,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 776 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 16:05:51,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-11-16 16:05:51,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1580. [2024-11-16 16:05:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1259 states have (on average 1.318506751389992) internal successors, (1660), 1263 states have internal predecessors, (1660), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 284 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-16 16:05:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2236 transitions. [2024-11-16 16:05:51,597 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2236 transitions. Word has length 198 [2024-11-16 16:05:51,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:51,598 INFO L471 AbstractCegarLoop]: Abstraction has 1580 states and 2236 transitions. [2024-11-16 16:05:51,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2236 transitions. [2024-11-16 16:05:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 16:05:51,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:51,601 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:51,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 16:05:51,601 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:51,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:51,602 INFO L85 PathProgramCache]: Analyzing trace with hash -427378960, now seen corresponding path program 1 times [2024-11-16 16:05:51,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:51,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979482490] [2024-11-16 16:05:51,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:51,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:05:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 16:05:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 16:05:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 16:05:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 16:05:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 16:05:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 16:05:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 16:05:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 16:05:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 16:05:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 16:05:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 16:05:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 16:05:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 16:05:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:05:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:05:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:05:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:05:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:05:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:05:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:05:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:05:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:05:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:05:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 16:05:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:05:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 16:05:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:05:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-16 16:05:52,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:05:52,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979482490] [2024-11-16 16:05:52,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979482490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:05:52,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:05:52,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 16:05:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833307622] [2024-11-16 16:05:52,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:05:52,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 16:05:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:05:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 16:05:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 16:05:52,236 INFO L87 Difference]: Start difference. First operand 1580 states and 2236 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:53,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:05:53,285 INFO L93 Difference]: Finished difference Result 3267 states and 4619 transitions. [2024-11-16 16:05:53,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:05:53,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 199 [2024-11-16 16:05:53,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:05:53,300 INFO L225 Difference]: With dead ends: 3267 [2024-11-16 16:05:53,300 INFO L226 Difference]: Without dead ends: 1877 [2024-11-16 16:05:53,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:05:53,305 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 328 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:05:53,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 578 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 16:05:53,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-16 16:05:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1567. [2024-11-16 16:05:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1246 states have (on average 1.312199036918138) internal successors, (1635), 1250 states have internal predecessors, (1635), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 284 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-16 16:05:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2211 transitions. [2024-11-16 16:05:53,629 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2211 transitions. Word has length 199 [2024-11-16 16:05:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:05:53,630 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 2211 transitions. [2024-11-16 16:05:53,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-16 16:05:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2211 transitions. [2024-11-16 16:05:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 16:05:53,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:05:53,632 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:05:53,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 16:05:53,633 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:05:53,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:05:53,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1142056483, now seen corresponding path program 1 times [2024-11-16 16:05:53,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:05:53,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683691650] [2024-11-16 16:05:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:05:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 16:05:53,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [133673229] [2024-11-16 16:05:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:05:53,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:05:53,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:05:53,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 16:05:53,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 16:05:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:05:55,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-16 16:05:55,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:05:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 947 proven. 180 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-16 16:05:58,631 INFO L311 TraceCheckSpWp]: Computing backward predicates...