./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-29.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 e794586f9f3740a193d413dfe816851463e703edc20a79bd19788c3a0505333b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:23:33,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:23:33,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:23:33,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:23:33,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:23:33,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:23:33,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:23:33,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:23:33,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:23:33,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:23:33,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:23:33,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:23:33,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:23:33,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:23:33,732 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:23:33,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:23:33,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:23:33,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:23:33,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:23:33,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:23:33,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:23:33,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:23:33,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:23:33,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:23:33,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:23:33,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:23:33,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:23:33,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:23:33,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:23:33,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:23:33,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:23:33,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:23:33,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:23:33,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:23:33,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:23:33,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:23:33,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:23:33,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:23:33,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:23:33,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:23:33,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:23:33,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:23:33,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e794586f9f3740a193d413dfe816851463e703edc20a79bd19788c3a0505333b [2024-10-24 10:23:33,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:23:33,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:23:33,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:23:33,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:23:33,956 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:23:33,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-29.i [2024-10-24 10:23:35,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:23:35,393 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:23:35,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-29.i [2024-10-24 10:23:35,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ffef688/6708ad88ff284e27be7bb3b02e9d621e/FLAGae158a678 [2024-10-24 10:23:35,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3ffef688/6708ad88ff284e27be7bb3b02e9d621e [2024-10-24 10:23:35,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:23:35,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:23:35,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:23:35,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:23:35,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:23:35,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:23:35" (1/1) ... [2024-10-24 10:23:35,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13aed175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:35, skipping insertion in model container [2024-10-24 10:23:35,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:23:35" (1/1) ... [2024-10-24 10:23:35,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:23:35,953 WARN L248 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_operatoramount_amount250_file-29.i[916,929] [2024-10-24 10:23:36,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:23:36,061 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:23:36,069 WARN L248 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_operatoramount_amount250_file-29.i[916,929] [2024-10-24 10:23:36,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:23:36,131 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:23:36,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36 WrapperNode [2024-10-24 10:23:36,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:23:36,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:23:36,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:23:36,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:23:36,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,204 INFO L138 Inliner]: procedures = 26, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-10-24 10:23:36,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:23:36,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:23:36,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:23:36,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:23:36,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,224 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,278 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]. [2024-10-24 10:23:36,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:23:36,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:23:36,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:23:36,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:23:36,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (1/1) ... [2024-10-24 10:23:36,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:23:36,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:23:36,378 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) [2024-10-24 10:23:36,380 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 [2024-10-24 10:23:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:23:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:23:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:23:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:23:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:23:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:23:36,488 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:23:36,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:23:37,012 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-10-24 10:23:37,012 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:23:37,048 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:23:37,049 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:23:37,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:23:37 BoogieIcfgContainer [2024-10-24 10:23:37,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:23:37,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:23:37,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:23:37,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:23:37,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:23:35" (1/3) ... [2024-10-24 10:23:37,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3354632a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:23:37, skipping insertion in model container [2024-10-24 10:23:37,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:23:36" (2/3) ... [2024-10-24 10:23:37,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3354632a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:23:37, skipping insertion in model container [2024-10-24 10:23:37,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:23:37" (3/3) ... [2024-10-24 10:23:37,057 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-29.i [2024-10-24 10:23:37,069 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:23:37,069 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:23:37,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:23:37,138 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;@be73037, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:23:37,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:23:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 116 states have internal predecessors, (172), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-24 10:23:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-24 10:23:37,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:37,168 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:37,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:37,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:37,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1443604819, now seen corresponding path program 1 times [2024-10-24 10:23:37,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:37,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616104121] [2024-10-24 10:23:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:37,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:23:37,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:37,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616104121] [2024-10-24 10:23:37,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616104121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:23:37,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:23:37,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:23:37,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147528360] [2024-10-24 10:23:37,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:23:37,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:23:37,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:37,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:23:37,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:23:37,776 INFO L87 Difference]: Start difference. First operand has 173 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 116 states have internal predecessors, (172), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-24 10:23:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:23:37,818 INFO L93 Difference]: Finished difference Result 343 states and 617 transitions. [2024-10-24 10:23:37,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:23:37,821 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 2 states have call successors, (55) Word has length 356 [2024-10-24 10:23:37,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:23:37,830 INFO L225 Difference]: With dead ends: 343 [2024-10-24 10:23:37,830 INFO L226 Difference]: Without dead ends: 171 [2024-10-24 10:23:37,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:23:37,836 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:23:37,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:23:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-24 10:23:37,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-24 10:23:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.4649122807017543) internal successors, (167), 114 states have internal predecessors, (167), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-24 10:23:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 277 transitions. [2024-10-24 10:23:37,881 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 277 transitions. Word has length 356 [2024-10-24 10:23:37,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:23:37,881 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 277 transitions. [2024-10-24 10:23:37,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-24 10:23:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 277 transitions. [2024-10-24 10:23:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-24 10:23:37,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:37,886 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:37,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:23:37,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:37,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash -167067553, now seen corresponding path program 1 times [2024-10-24 10:23:37,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:37,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351695284] [2024-10-24 10:23:37,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:37,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:23:38,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:38,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351695284] [2024-10-24 10:23:38,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351695284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:23:38,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:23:38,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:23:38,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967591245] [2024-10-24 10:23:38,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:23:38,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:23:38,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:38,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:23:38,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:23:38,268 INFO L87 Difference]: Start difference. First operand 171 states and 277 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:23:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:23:38,351 INFO L93 Difference]: Finished difference Result 414 states and 667 transitions. [2024-10-24 10:23:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:23:38,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) Word has length 356 [2024-10-24 10:23:38,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:23:38,358 INFO L225 Difference]: With dead ends: 414 [2024-10-24 10:23:38,358 INFO L226 Difference]: Without dead ends: 244 [2024-10-24 10:23:38,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:23:38,360 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 101 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:23:38,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 610 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:23:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-10-24 10:23:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 241. [2024-10-24 10:23:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 181 states have (on average 1.5138121546961325) internal successors, (274), 182 states have internal predecessors, (274), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-24 10:23:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 388 transitions. [2024-10-24 10:23:38,393 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 388 transitions. Word has length 356 [2024-10-24 10:23:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:23:38,396 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 388 transitions. [2024-10-24 10:23:38,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:23:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 388 transitions. [2024-10-24 10:23:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-24 10:23:38,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:38,402 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:38,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:23:38,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:38,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:38,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1538874851, now seen corresponding path program 1 times [2024-10-24 10:23:38,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:38,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177152211] [2024-10-24 10:23:38,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:23:38,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:38,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177152211] [2024-10-24 10:23:38,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177152211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:23:38,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:23:38,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:23:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524524695] [2024-10-24 10:23:38,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:23:38,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:23:38,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:38,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:23:38,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:23:38,919 INFO L87 Difference]: Start difference. First operand 241 states and 388 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:23:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:23:38,986 INFO L93 Difference]: Finished difference Result 721 states and 1162 transitions. [2024-10-24 10:23:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:23:38,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) Word has length 356 [2024-10-24 10:23:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:23:38,995 INFO L225 Difference]: With dead ends: 721 [2024-10-24 10:23:38,995 INFO L226 Difference]: Without dead ends: 481 [2024-10-24 10:23:38,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:23:38,998 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 174 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:23:38,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 797 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:23:39,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-24 10:23:39,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2024-10-24 10:23:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 360 states have (on average 1.511111111111111) internal successors, (544), 362 states have internal predecessors, (544), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-24 10:23:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 772 transitions. [2024-10-24 10:23:39,051 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 772 transitions. Word has length 356 [2024-10-24 10:23:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:23:39,052 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 772 transitions. [2024-10-24 10:23:39,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:23:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 772 transitions. [2024-10-24 10:23:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-24 10:23:39,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:39,057 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:39,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:23:39,057 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:39,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:39,058 INFO L85 PathProgramCache]: Analyzing trace with hash 512109147, now seen corresponding path program 1 times [2024-10-24 10:23:39,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:39,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667855718] [2024-10-24 10:23:39,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:39,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:23:39,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:39,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667855718] [2024-10-24 10:23:39,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667855718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:23:39,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:23:39,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:23:39,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654792597] [2024-10-24 10:23:39,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:23:39,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:23:39,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:39,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:23:39,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:23:39,539 INFO L87 Difference]: Start difference. First operand 479 states and 772 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-24 10:23:39,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:23:39,913 INFO L93 Difference]: Finished difference Result 1439 states and 2322 transitions. [2024-10-24 10:23:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:23:39,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 356 [2024-10-24 10:23:39,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:23:39,919 INFO L225 Difference]: With dead ends: 1439 [2024-10-24 10:23:39,919 INFO L226 Difference]: Without dead ends: 961 [2024-10-24 10:23:39,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 10:23:39,921 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 280 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:23:39,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 886 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:23:39,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-10-24 10:23:39,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 959. [2024-10-24 10:23:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 722 states have (on average 1.5096952908587258) internal successors, (1090), 726 states have internal predecessors, (1090), 228 states have call successors, (228), 8 states have call predecessors, (228), 8 states have return successors, (228), 224 states have call predecessors, (228), 228 states have call successors, (228) [2024-10-24 10:23:39,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1546 transitions. [2024-10-24 10:23:39,992 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1546 transitions. Word has length 356 [2024-10-24 10:23:39,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:23:39,992 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1546 transitions. [2024-10-24 10:23:39,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-24 10:23:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1546 transitions. [2024-10-24 10:23:39,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-24 10:23:39,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:39,997 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:39,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:23:39,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:39,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:39,997 INFO L85 PathProgramCache]: Analyzing trace with hash 378095641, now seen corresponding path program 1 times [2024-10-24 10:23:39,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:39,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998432670] [2024-10-24 10:23:39,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:39,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:23:41,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:41,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998432670] [2024-10-24 10:23:41,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998432670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:23:41,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:23:41,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:23:41,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965936680] [2024-10-24 10:23:41,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:23:41,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:23:41,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:41,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:23:41,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:23:41,248 INFO L87 Difference]: Start difference. First operand 959 states and 1546 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:23:41,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:23:41,897 INFO L93 Difference]: Finished difference Result 3673 states and 5905 transitions. [2024-10-24 10:23:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:23:41,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) Word has length 356 [2024-10-24 10:23:41,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:23:41,910 INFO L225 Difference]: With dead ends: 3673 [2024-10-24 10:23:41,911 INFO L226 Difference]: Without dead ends: 2715 [2024-10-24 10:23:41,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:23:41,914 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 507 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 10:23:41,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 781 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 10:23:41,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2024-10-24 10:23:42,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2243. [2024-10-24 10:23:42,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 1770 states have (on average 1.5242937853107346) internal successors, (2698), 1778 states have internal predecessors, (2698), 456 states have call successors, (456), 16 states have call predecessors, (456), 16 states have return successors, (456), 448 states have call predecessors, (456), 456 states have call successors, (456) [2024-10-24 10:23:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 3610 transitions. [2024-10-24 10:23:42,087 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 3610 transitions. Word has length 356 [2024-10-24 10:23:42,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:23:42,088 INFO L471 AbstractCegarLoop]: Abstraction has 2243 states and 3610 transitions. [2024-10-24 10:23:42,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:23:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 3610 transitions. [2024-10-24 10:23:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-10-24 10:23:42,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:42,092 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:42,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:23:42,092 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:42,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1764299035, now seen corresponding path program 1 times [2024-10-24 10:23:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:42,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676954603] [2024-10-24 10:23:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2024-10-24 10:23:42,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:42,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676954603] [2024-10-24 10:23:42,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676954603] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:23:42,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238779983] [2024-10-24 10:23:42,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:42,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:23:42,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:23:42,937 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) [2024-10-24 10:23:42,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 10:23:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:43,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-24 10:23:43,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:23:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 3998 proven. 207 refuted. 0 times theorem prover too weak. 1735 trivial. 0 not checked. [2024-10-24 10:23:44,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:23:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2024-10-24 10:23:45,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238779983] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:23:45,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:23:45,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14, 8] total 26 [2024-10-24 10:23:45,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311593244] [2024-10-24 10:23:45,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:23:45,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 10:23:45,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 10:23:45,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-10-24 10:23:45,332 INFO L87 Difference]: Start difference. First operand 2243 states and 3610 transitions. Second operand has 26 states, 26 states have (on average 8.653846153846153) internal successors, (225), 25 states have internal predecessors, (225), 7 states have call successors, (128), 5 states have call predecessors, (128), 9 states have return successors, (129), 7 states have call predecessors, (129), 7 states have call successors, (129) [2024-10-24 10:23:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:23:46,605 INFO L93 Difference]: Finished difference Result 5627 states and 8944 transitions. [2024-10-24 10:23:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 10:23:46,606 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.653846153846153) internal successors, (225), 25 states have internal predecessors, (225), 7 states have call successors, (128), 5 states have call predecessors, (128), 9 states have return successors, (129), 7 states have call predecessors, (129), 7 states have call successors, (129) Word has length 356 [2024-10-24 10:23:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:23:46,621 INFO L225 Difference]: With dead ends: 5627 [2024-10-24 10:23:46,621 INFO L226 Difference]: Without dead ends: 3385 [2024-10-24 10:23:46,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2024-10-24 10:23:46,630 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 585 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:23:46,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1428 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 10:23:46,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3385 states. [2024-10-24 10:23:46,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3385 to 3359. [2024-10-24 10:23:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3359 states, 2622 states have (on average 1.479023646071701) internal successors, (3878), 2634 states have internal predecessors, (3878), 684 states have call successors, (684), 52 states have call predecessors, (684), 52 states have return successors, (684), 672 states have call predecessors, (684), 684 states have call successors, (684) [2024-10-24 10:23:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 3359 states and 5246 transitions. [2024-10-24 10:23:46,874 INFO L78 Accepts]: Start accepts. Automaton has 3359 states and 5246 transitions. Word has length 356 [2024-10-24 10:23:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:23:46,875 INFO L471 AbstractCegarLoop]: Abstraction has 3359 states and 5246 transitions. [2024-10-24 10:23:46,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.653846153846153) internal successors, (225), 25 states have internal predecessors, (225), 7 states have call successors, (128), 5 states have call predecessors, (128), 9 states have return successors, (129), 7 states have call predecessors, (129), 7 states have call successors, (129) [2024-10-24 10:23:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 5246 transitions. [2024-10-24 10:23:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-10-24 10:23:46,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:23:46,880 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:23:46,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 10:23:47,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 10:23:47,081 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:23:47,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:23:47,082 INFO L85 PathProgramCache]: Analyzing trace with hash 536872531, now seen corresponding path program 1 times [2024-10-24 10:23:47,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:23:47,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234091114] [2024-10-24 10:23:47,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:47,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:23:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:23:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:23:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:23:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:23:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:23:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:23:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:23:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:23:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:23:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:23:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:23:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:23:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:23:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:23:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:23:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:23:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:23:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:23:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:23:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:23:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:23:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:23:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:23:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:23:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:23:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:23:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:23:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:23:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:23:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:23:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:23:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:23:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:23:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:23:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:23:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:23:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:23:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:23:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:23:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:23:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:23:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:23:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:23:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:23:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:23:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:23:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:23:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:23:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:23:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:23:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:23:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:23:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:23:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:23:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:23:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 258 proven. 60 refuted. 0 times theorem prover too weak. 5622 trivial. 0 not checked. [2024-10-24 10:23:48,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:23:48,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234091114] [2024-10-24 10:23:48,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234091114] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:23:48,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122286578] [2024-10-24 10:23:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:23:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:23:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:23:48,499 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) [2024-10-24 10:23:48,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 10:23:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:23:48,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 10:23:48,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:23:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 3805 proven. 273 refuted. 0 times theorem prover too weak. 1862 trivial. 0 not checked. [2024-10-24 10:23:49,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:23:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 195 proven. 282 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-10-24 10:23:50,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122286578] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:23:50,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:23:50,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 14] total 30 [2024-10-24 10:23:50,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028761889] [2024-10-24 10:23:50,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:23:50,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-24 10:23:50,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:23:50,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-24 10:23:50,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2024-10-24 10:23:50,244 INFO L87 Difference]: Start difference. First operand 3359 states and 5246 transitions. Second operand has 30 states, 28 states have (on average 8.035714285714286) internal successors, (225), 28 states have internal predecessors, (225), 12 states have call successors, (146), 5 states have call predecessors, (146), 9 states have return successors, (147), 10 states have call predecessors, (147), 12 states have call successors, (147) [2024-10-24 10:24:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:24:01,699 INFO L93 Difference]: Finished difference Result 24753 states and 37261 transitions. [2024-10-24 10:24:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-10-24 10:24:01,700 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 8.035714285714286) internal successors, (225), 28 states have internal predecessors, (225), 12 states have call successors, (146), 5 states have call predecessors, (146), 9 states have return successors, (147), 10 states have call predecessors, (147), 12 states have call successors, (147) Word has length 357 [2024-10-24 10:24:01,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:24:01,781 INFO L225 Difference]: With dead ends: 24753 [2024-10-24 10:24:01,781 INFO L226 Difference]: Without dead ends: 21395 [2024-10-24 10:24:01,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 837 SyntacticMatches, 0 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28824 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=10943, Invalid=54849, Unknown=0, NotChecked=0, Total=65792 [2024-10-24 10:24:01,806 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 5699 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 2156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5717 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 4969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2156 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:24:01,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5717 Valid, 2068 Invalid, 4969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2156 Valid, 2813 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-24 10:24:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21395 states. [2024-10-24 10:24:02,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21395 to 10771. [2024-10-24 10:24:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10771 states, 9074 states have (on average 1.4959224156931894) internal successors, (13574), 9142 states have internal predecessors, (13574), 1468 states have call successors, (1468), 228 states have call predecessors, (1468), 228 states have return successors, (1468), 1400 states have call predecessors, (1468), 1468 states have call successors, (1468) [2024-10-24 10:24:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10771 states to 10771 states and 16510 transitions. [2024-10-24 10:24:02,788 INFO L78 Accepts]: Start accepts. Automaton has 10771 states and 16510 transitions. Word has length 357 [2024-10-24 10:24:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:24:02,789 INFO L471 AbstractCegarLoop]: Abstraction has 10771 states and 16510 transitions. [2024-10-24 10:24:02,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 8.035714285714286) internal successors, (225), 28 states have internal predecessors, (225), 12 states have call successors, (146), 5 states have call predecessors, (146), 9 states have return successors, (147), 10 states have call predecessors, (147), 12 states have call successors, (147) [2024-10-24 10:24:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 10771 states and 16510 transitions. [2024-10-24 10:24:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-10-24 10:24:02,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:24:02,807 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:24:02,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 10:24:03,008 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,SelfDestructingSolverStorable6 [2024-10-24 10:24:03,009 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:24:03,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:24:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2012968860, now seen corresponding path program 1 times [2024-10-24 10:24:03,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:24:03,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799861738] [2024-10-24 10:24:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:03,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:24:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:24:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:24:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:24:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:24:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:24:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:24:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:24:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:24:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:24:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:24:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:24:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:24:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:24:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:24:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:24:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:24:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:24:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:24:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:24:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:24:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:24:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:24:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:24:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:24:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:24:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:24:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:24:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:24:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:24:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:24:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:24:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:24:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:24:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:24:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:24:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:24:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:24:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:24:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:24:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:24:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:24:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:24:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:24:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:24:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:24:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:24:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:24:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:24:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:24:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:24:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:24:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:24:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:24:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:24:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:24:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:24:03,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:24:03,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799861738] [2024-10-24 10:24:03,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799861738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:24:03,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:24:03,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:24:03,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806269652] [2024-10-24 10:24:03,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:24:03,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:24:03,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:24:03,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:24:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:24:03,694 INFO L87 Difference]: Start difference. First operand 10771 states and 16510 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:24:04,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:24:04,847 INFO L93 Difference]: Finished difference Result 22986 states and 35180 transitions. [2024-10-24 10:24:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 10:24:04,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) Word has length 358 [2024-10-24 10:24:04,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:24:04,893 INFO L225 Difference]: With dead ends: 22986 [2024-10-24 10:24:04,894 INFO L226 Difference]: Without dead ends: 12168 [2024-10-24 10:24:04,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:24:04,911 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 647 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:24:04,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 993 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:24:04,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12168 states. [2024-10-24 10:24:05,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12168 to 9679. [2024-10-24 10:24:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9679 states, 8042 states have (on average 1.4774931609052475) internal successors, (11882), 8103 states have internal predecessors, (11882), 1412 states have call successors, (1412), 224 states have call predecessors, (1412), 224 states have return successors, (1412), 1351 states have call predecessors, (1412), 1412 states have call successors, (1412) [2024-10-24 10:24:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9679 states to 9679 states and 14706 transitions. [2024-10-24 10:24:05,553 INFO L78 Accepts]: Start accepts. Automaton has 9679 states and 14706 transitions. Word has length 358 [2024-10-24 10:24:05,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:24:05,553 INFO L471 AbstractCegarLoop]: Abstraction has 9679 states and 14706 transitions. [2024-10-24 10:24:05,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:24:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 9679 states and 14706 transitions. [2024-10-24 10:24:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-10-24 10:24:05,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:24:05,561 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:24:05,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 10:24:05,562 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:24:05,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:24:05,562 INFO L85 PathProgramCache]: Analyzing trace with hash -898525757, now seen corresponding path program 1 times [2024-10-24 10:24:05,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:24:05,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537962822] [2024-10-24 10:24:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:05,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:24:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:24:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:24:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:24:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:24:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:24:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:24:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:24:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:24:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:24:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:24:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:24:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:24:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:24:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:24:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:24:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:24:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:24:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:24:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:24:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:24:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:24:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:24:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:24:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:24:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:24:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:24:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:24:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:24:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:24:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:24:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:24:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:24:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:24:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:24:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:24:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:24:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:24:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:24:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:24:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:24:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:24:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:24:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:24:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:24:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:24:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:24:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:24:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:24:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:24:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:24:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:24:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:24:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:24:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:24:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:24:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 51 proven. 111 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2024-10-24 10:24:06,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:24:06,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537962822] [2024-10-24 10:24:06,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537962822] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:24:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230589773] [2024-10-24 10:24:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:06,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:24:06,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:24:06,488 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) [2024-10-24 10:24:06,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 10:24:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:06,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 10:24:06,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:24:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 2032 proven. 33 refuted. 0 times theorem prover too weak. 3875 trivial. 0 not checked. [2024-10-24 10:24:06,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:24:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 129 proven. 33 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2024-10-24 10:24:07,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230589773] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:24:07,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:24:07,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 13 [2024-10-24 10:24:07,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123319977] [2024-10-24 10:24:07,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:24:07,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 10:24:07,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:24:07,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 10:24:07,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 10:24:07,105 INFO L87 Difference]: Start difference. First operand 9679 states and 14706 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 5 states have call successors, (121), 2 states have call predecessors, (121), 4 states have return successors, (122), 5 states have call predecessors, (122), 5 states have call successors, (122) [2024-10-24 10:24:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:24:11,353 INFO L93 Difference]: Finished difference Result 43937 states and 66513 transitions. [2024-10-24 10:24:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-10-24 10:24:11,354 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 5 states have call successors, (121), 2 states have call predecessors, (121), 4 states have return successors, (122), 5 states have call predecessors, (122), 5 states have call successors, (122) Word has length 358 [2024-10-24 10:24:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:24:11,429 INFO L225 Difference]: With dead ends: 43937 [2024-10-24 10:24:11,429 INFO L226 Difference]: Without dead ends: 34283 [2024-10-24 10:24:11,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 824 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1252 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=895, Invalid=3265, Unknown=0, NotChecked=0, Total=4160 [2024-10-24 10:24:11,448 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1823 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 4125 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 10:24:11,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 4125 Invalid, 3593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 10:24:11,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34283 states. [2024-10-24 10:24:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34283 to 11042. [2024-10-24 10:24:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11042 states, 9163 states have (on average 1.469606024227873) internal successors, (13466), 9232 states have internal predecessors, (13466), 1607 states have call successors, (1607), 271 states have call predecessors, (1607), 271 states have return successors, (1607), 1538 states have call predecessors, (1607), 1607 states have call successors, (1607) [2024-10-24 10:24:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11042 states to 11042 states and 16680 transitions. [2024-10-24 10:24:12,806 INFO L78 Accepts]: Start accepts. Automaton has 11042 states and 16680 transitions. Word has length 358 [2024-10-24 10:24:12,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:24:12,807 INFO L471 AbstractCegarLoop]: Abstraction has 11042 states and 16680 transitions. [2024-10-24 10:24:12,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 5 states have call successors, (121), 2 states have call predecessors, (121), 4 states have return successors, (122), 5 states have call predecessors, (122), 5 states have call successors, (122) [2024-10-24 10:24:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states and 16680 transitions. [2024-10-24 10:24:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-10-24 10:24:12,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:24:12,817 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:24:12,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 10:24:13,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:24:13,019 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:24:13,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:24:13,019 INFO L85 PathProgramCache]: Analyzing trace with hash 949649643, now seen corresponding path program 1 times [2024-10-24 10:24:13,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:24:13,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363789093] [2024-10-24 10:24:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:24:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:24:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:24:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:24:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:24:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:24:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:24:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:24:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:24:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:24:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:24:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:24:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:24:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:24:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:24:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:24:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:24:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:24:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:24:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:24:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:24:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:24:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:24:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:24:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:24:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:24:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:24:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:24:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:24:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:24:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:24:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:24:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:24:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:24:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:24:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:24:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:24:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:24:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:24:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:24:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:24:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:24:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:14,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:24:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:24:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:24:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:24:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:24:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:24:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:24:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:24:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:24:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:24:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:24:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:24:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:24:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:24:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 153 proven. 9 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2024-10-24 10:24:15,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:24:15,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363789093] [2024-10-24 10:24:15,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363789093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:24:15,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157556838] [2024-10-24 10:24:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:15,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:24:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:24:15,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:24:15,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 10:24:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:15,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-24 10:24:15,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:24:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 2911 proven. 246 refuted. 0 times theorem prover too weak. 2783 trivial. 0 not checked. [2024-10-24 10:24:16,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:24:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 153 proven. 9 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2024-10-24 10:24:21,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157556838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:24:21,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:24:21,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 9] total 38 [2024-10-24 10:24:21,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822406303] [2024-10-24 10:24:21,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:24:21,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-24 10:24:21,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:24:21,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-24 10:24:21,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1194, Unknown=0, NotChecked=0, Total=1406 [2024-10-24 10:24:21,906 INFO L87 Difference]: Start difference. First operand 11042 states and 16680 transitions. Second operand has 38 states, 38 states have (on average 6.842105263157895) internal successors, (260), 36 states have internal predecessors, (260), 10 states have call successors, (165), 6 states have call predecessors, (165), 10 states have return successors, (165), 10 states have call predecessors, (165), 10 states have call successors, (165) [2024-10-24 10:24:36,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 10:24:39,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:24:39,457 INFO L93 Difference]: Finished difference Result 39586 states and 59544 transitions. [2024-10-24 10:24:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-10-24 10:24:39,458 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 6.842105263157895) internal successors, (260), 36 states have internal predecessors, (260), 10 states have call successors, (165), 6 states have call predecessors, (165), 10 states have return successors, (165), 10 states have call predecessors, (165), 10 states have call successors, (165) Word has length 359 [2024-10-24 10:24:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:24:39,523 INFO L225 Difference]: With dead ends: 39586 [2024-10-24 10:24:39,523 INFO L226 Difference]: Without dead ends: 28661 [2024-10-24 10:24:39,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 945 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5901 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=3244, Invalid=14846, Unknown=0, NotChecked=0, Total=18090 [2024-10-24 10:24:39,542 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 4535 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 4987 mSolverCounterSat, 2198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4679 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 7185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2198 IncrementalHoareTripleChecker+Valid, 4987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:24:39,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4679 Valid, 3965 Invalid, 7185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2198 Valid, 4987 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-10-24 10:24:39,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28661 states. [2024-10-24 10:24:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28661 to 15730. [2024-10-24 10:24:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15730 states, 13315 states have (on average 1.4912504693954187) internal successors, (19856), 13425 states have internal predecessors, (19856), 2072 states have call successors, (2072), 342 states have call predecessors, (2072), 342 states have return successors, (2072), 1962 states have call predecessors, (2072), 2072 states have call successors, (2072) [2024-10-24 10:24:40,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15730 states to 15730 states and 24000 transitions. [2024-10-24 10:24:40,914 INFO L78 Accepts]: Start accepts. Automaton has 15730 states and 24000 transitions. Word has length 359 [2024-10-24 10:24:40,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:24:40,915 INFO L471 AbstractCegarLoop]: Abstraction has 15730 states and 24000 transitions. [2024-10-24 10:24:40,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.842105263157895) internal successors, (260), 36 states have internal predecessors, (260), 10 states have call successors, (165), 6 states have call predecessors, (165), 10 states have return successors, (165), 10 states have call predecessors, (165), 10 states have call successors, (165) [2024-10-24 10:24:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 15730 states and 24000 transitions. [2024-10-24 10:24:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-10-24 10:24:40,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:24:40,923 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:24:40,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 10:24:41,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:24:41,124 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:24:41,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:24:41,125 INFO L85 PathProgramCache]: Analyzing trace with hash 433560600, now seen corresponding path program 1 times [2024-10-24 10:24:41,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:24:41,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078316783] [2024-10-24 10:24:41,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:41,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:24:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:24:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:24:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:24:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:24:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:24:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:24:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:24:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:24:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:24:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:24:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:24:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:24:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:24:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:24:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:24:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:24:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:24:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 10:24:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 10:24:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 10:24:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 10:24:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 10:24:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 10:24:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 10:24:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 10:24:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 10:24:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:24:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:24:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:24:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:24:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:24:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:24:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:24:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:24:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:24:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:24:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:24:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 10:24:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 10:24:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 10:24:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 10:24:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 10:24:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 10:24:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:24:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 10:24:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:24:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 10:24:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:24:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 10:24:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:24:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 10:24:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:24:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 10:24:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:24:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:24:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-24 10:24:41,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:24:41,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078316783] [2024-10-24 10:24:41,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078316783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:24:41,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:24:41,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:24:41,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614108198] [2024-10-24 10:24:41,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:24:41,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:24:41,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:24:41,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:24:41,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:24:41,447 INFO L87 Difference]: Start difference. First operand 15730 states and 24000 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:24:43,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:24:43,770 INFO L93 Difference]: Finished difference Result 33184 states and 50438 transitions. [2024-10-24 10:24:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:24:43,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) Word has length 359 [2024-10-24 10:24:43,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:24:43,822 INFO L225 Difference]: With dead ends: 33184 [2024-10-24 10:24:43,822 INFO L226 Difference]: Without dead ends: 23446 [2024-10-24 10:24:43,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:24:43,837 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 281 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:24:43,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 862 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:24:43,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23446 states. [2024-10-24 10:24:45,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23446 to 21601. [2024-10-24 10:24:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21601 states, 18293 states have (on average 1.4806210025692887) internal successors, (27085), 18440 states have internal predecessors, (27085), 2821 states have call successors, (2821), 486 states have call predecessors, (2821), 486 states have return successors, (2821), 2674 states have call predecessors, (2821), 2821 states have call successors, (2821) [2024-10-24 10:24:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21601 states to 21601 states and 32727 transitions. [2024-10-24 10:24:45,720 INFO L78 Accepts]: Start accepts. Automaton has 21601 states and 32727 transitions. Word has length 359 [2024-10-24 10:24:45,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:24:45,721 INFO L471 AbstractCegarLoop]: Abstraction has 21601 states and 32727 transitions. [2024-10-24 10:24:45,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2024-10-24 10:24:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 21601 states and 32727 transitions. [2024-10-24 10:24:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-10-24 10:24:45,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:24:45,727 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:24:45,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:24:45,727 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:24:45,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:24:45,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1052545155, now seen corresponding path program 1 times [2024-10-24 10:24:45,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:24:45,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235290393] [2024-10-24 10:24:45,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:45,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:24:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 10:24:46,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296783834] [2024-10-24 10:24:46,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:46,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:24:46,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:24:46,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:24:46,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 10:24:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:24:46,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 10:24:46,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:24:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 2968 proven. 69 refuted. 0 times theorem prover too weak. 2903 trivial. 0 not checked. [2024-10-24 10:24:47,799 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:24:49,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:24:49,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235290393] [2024-10-24 10:24:49,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 10:24:49,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296783834] [2024-10-24 10:24:49,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296783834] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:24:49,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 10:24:49,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 10:24:49,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244537735] [2024-10-24 10:24:49,293 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 10:24:49,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:24:49,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:24:49,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:24:49,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2024-10-24 10:24:49,293 INFO L87 Difference]: Start difference. First operand 21601 states and 32727 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-24 10:24:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:24:51,502 INFO L93 Difference]: Finished difference Result 46404 states and 70167 transitions. [2024-10-24 10:24:51,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 10:24:51,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 360 [2024-10-24 10:24:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:24:51,571 INFO L225 Difference]: With dead ends: 46404 [2024-10-24 10:24:51,572 INFO L226 Difference]: Without dead ends: 24924 [2024-10-24 10:24:51,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=180, Unknown=1, NotChecked=0, Total=272 [2024-10-24 10:24:51,598 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 241 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:24:51,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1197 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:24:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24924 states. [2024-10-24 10:24:53,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24924 to 21636. [2024-10-24 10:24:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21636 states, 18321 states have (on average 1.480323126466896) internal successors, (27121), 18467 states have internal predecessors, (27121), 2825 states have call successors, (2825), 489 states have call predecessors, (2825), 489 states have return successors, (2825), 2679 states have call predecessors, (2825), 2825 states have call successors, (2825) [2024-10-24 10:24:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21636 states to 21636 states and 32771 transitions. [2024-10-24 10:24:53,492 INFO L78 Accepts]: Start accepts. Automaton has 21636 states and 32771 transitions. Word has length 360 [2024-10-24 10:24:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:24:53,492 INFO L471 AbstractCegarLoop]: Abstraction has 21636 states and 32771 transitions. [2024-10-24 10:24:53,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-24 10:24:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 21636 states and 32771 transitions. [2024-10-24 10:24:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-10-24 10:24:53,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:24:53,497 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:24:53,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 10:24:53,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 10:24:53,698 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:24:53,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:24:53,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1314149439, now seen corresponding path program 1 times [2024-10-24 10:24:53,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:24:53,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954296151] [2024-10-24 10:24:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:53,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:24:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 10:24:54,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981927574] [2024-10-24 10:24:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:24:54,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:24:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:24:54,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:24:54,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process