./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.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 d64de34e5de9d482cf02ff075dad73aa3037f7014946daf08dc02de47434f33e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 01:19:46,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 01:19:46,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 01:19:46,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 01:19:46,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 01:19:46,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 01:19:46,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 01:19:46,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 01:19:46,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 01:19:46,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 01:19:46,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 01:19:46,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 01:19:46,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 01:19:46,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 01:19:46,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 01:19:46,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 01:19:46,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 01:19:46,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 01:19:46,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 01:19:46,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 01:19:46,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 01:19:46,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 01:19:46,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 01:19:46,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 01:19:46,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 01:19:46,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 01:19:46,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 01:19:46,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 01:19:46,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 01:19:46,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 01:19:46,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 01:19:46,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 01:19:46,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:19:46,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 01:19:46,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 01:19:46,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 01:19:46,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 01:19:46,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 01:19:46,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 01:19:46,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 01:19:46,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 01:19:46,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 01:19:46,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d64de34e5de9d482cf02ff075dad73aa3037f7014946daf08dc02de47434f33e [2024-11-19 01:19:46,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 01:19:46,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 01:19:46,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 01:19:46,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 01:19:46,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 01:19:46,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i [2024-11-19 01:19:48,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 01:19:48,557 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 01:19:48,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i [2024-11-19 01:19:48,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5470af81a/35b8cc890f5d40ce9f8ca6c7358d445a/FLAG73a115b8c [2024-11-19 01:19:48,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5470af81a/35b8cc890f5d40ce9f8ca6c7358d445a [2024-11-19 01:19:48,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 01:19:48,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 01:19:48,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 01:19:48,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 01:19:48,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 01:19:48,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:48,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bac2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48, skipping insertion in model container [2024-11-19 01:19:48,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:48,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 01:19:48,801 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i[917,930] [2024-11-19 01:19:48,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:19:48,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 01:19:48,916 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i[917,930] [2024-11-19 01:19:48,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:19:48,991 INFO L204 MainTranslator]: Completed translation [2024-11-19 01:19:48,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48 WrapperNode [2024-11-19 01:19:48,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 01:19:48,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 01:19:48,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 01:19:48,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 01:19:49,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,052 INFO L138 Inliner]: procedures = 30, calls = 204, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 679 [2024-11-19 01:19:49,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 01:19:49,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 01:19:49,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 01:19:49,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 01:19:49,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,078 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-19 01:19:49,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 01:19:49,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 01:19:49,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 01:19:49,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 01:19:49,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (1/1) ... [2024-11-19 01:19:49,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:19:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:49,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 01:19:49,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 01:19:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 01:19:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-19 01:19:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-19 01:19:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-19 01:19:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 01:19:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-19 01:19:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 01:19:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 01:19:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 01:19:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 01:19:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 01:19:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 01:19:49,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 01:19:49,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 01:19:50,171 INFO L? ?]: Removed 201 outVars from TransFormulas that were not future-live. [2024-11-19 01:19:50,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 01:19:50,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 01:19:50,195 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 01:19:50,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:50 BoogieIcfgContainer [2024-11-19 01:19:50,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 01:19:50,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 01:19:50,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 01:19:50,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 01:19:50,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:19:48" (1/3) ... [2024-11-19 01:19:50,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d201e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:50, skipping insertion in model container [2024-11-19 01:19:50,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:48" (2/3) ... [2024-11-19 01:19:50,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d201e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:19:50, skipping insertion in model container [2024-11-19 01:19:50,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:19:50" (3/3) ... [2024-11-19 01:19:50,206 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-63.i [2024-11-19 01:19:50,223 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 01:19:50,224 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 01:19:50,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 01:19:50,293 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;@1696355c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 01:19:50,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 01:19:50,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 119 states have internal predecessors, (169), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:50,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:50,313 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:50,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:50,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:50,318 INFO L85 PathProgramCache]: Analyzing trace with hash 79458764, now seen corresponding path program 1 times [2024-11-19 01:19:50,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:50,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503777976] [2024-11-19 01:19:50,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-19 01:19:50,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503777976] [2024-11-19 01:19:50,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503777976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:50,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206517805] [2024-11-19 01:19:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:50,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:50,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:50,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:19:50,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 01:19:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:51,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 01:19:51,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:19:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-19 01:19:51,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:19:51,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206517805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:51,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:19:51,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 01:19:51,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001451693] [2024-11-19 01:19:51,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:51,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 01:19:51,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:51,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 01:19:51,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 01:19:51,273 INFO L87 Difference]: Start difference. First operand has 139 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 119 states have internal predecessors, (169), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 01:19:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:51,308 INFO L93 Difference]: Finished difference Result 271 states and 422 transitions. [2024-11-19 01:19:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 01:19:51,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-19 01:19:51,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:51,319 INFO L225 Difference]: With dead ends: 271 [2024-11-19 01:19:51,319 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 01:19:51,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 01:19:51,328 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:51,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:51,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 01:19:51,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-19 01:19:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 115 states have (on average 1.4086956521739131) internal successors, (162), 115 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 198 transitions. [2024-11-19 01:19:51,387 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 198 transitions. Word has length 156 [2024-11-19 01:19:51,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:51,389 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 198 transitions. [2024-11-19 01:19:51,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 01:19:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2024-11-19 01:19:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:51,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:51,394 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:51,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 01:19:51,595 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,SelfDestructingSolverStorable0 [2024-11-19 01:19:51,596 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:51,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:51,597 INFO L85 PathProgramCache]: Analyzing trace with hash 509231968, now seen corresponding path program 1 times [2024-11-19 01:19:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:51,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033237267] [2024-11-19 01:19:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-19 01:19:52,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:52,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033237267] [2024-11-19 01:19:52,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033237267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:52,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:19:52,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 01:19:52,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299831229] [2024-11-19 01:19:52,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:52,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:19:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:52,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:19:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:19:52,038 INFO L87 Difference]: Start difference. First operand 135 states and 198 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 01:19:52,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:52,100 INFO L93 Difference]: Finished difference Result 269 states and 396 transitions. [2024-11-19 01:19:52,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:19:52,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-19 01:19:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:52,107 INFO L225 Difference]: With dead ends: 269 [2024-11-19 01:19:52,107 INFO L226 Difference]: Without dead ends: 137 [2024-11-19 01:19:52,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:19:52,113 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:52,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-19 01:19:52,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-19 01:19:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 117 states have internal predecessors, (164), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 200 transitions. [2024-11-19 01:19:52,136 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 200 transitions. Word has length 156 [2024-11-19 01:19:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:52,138 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 200 transitions. [2024-11-19 01:19:52,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 01:19:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2024-11-19 01:19:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:52,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:52,144 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:52,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 01:19:52,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:52,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash 145765470, now seen corresponding path program 1 times [2024-11-19 01:19:52,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:52,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414927927] [2024-11-19 01:19:52,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 01:19:52,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:52,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414927927] [2024-11-19 01:19:52,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414927927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:52,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742152816] [2024-11-19 01:19:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:52,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:52,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:52,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:19:52,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 01:19:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:52,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 01:19:52,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:19:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-19 01:19:52,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:19:52,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742152816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:53,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:19:53,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-19 01:19:53,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962736897] [2024-11-19 01:19:53,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:53,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:19:53,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:53,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:19:53,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:53,004 INFO L87 Difference]: Start difference. First operand 137 states and 200 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:53,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:53,053 INFO L93 Difference]: Finished difference Result 274 states and 401 transitions. [2024-11-19 01:19:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:19:53,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-19 01:19:53,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:53,057 INFO L225 Difference]: With dead ends: 274 [2024-11-19 01:19:53,059 INFO L226 Difference]: Without dead ends: 140 [2024-11-19 01:19:53,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:53,061 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:53,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 574 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:53,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-19 01:19:53,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-19 01:19:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 119 states have (on average 1.3949579831932772) internal successors, (166), 119 states have internal predecessors, (166), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 202 transitions. [2024-11-19 01:19:53,074 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 202 transitions. Word has length 156 [2024-11-19 01:19:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:53,075 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 202 transitions. [2024-11-19 01:19:53,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 202 transitions. [2024-11-19 01:19:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:53,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:53,082 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:53,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 01:19:53,283 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,SelfDestructingSolverStorable2 [2024-11-19 01:19:53,283 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:53,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:53,284 INFO L85 PathProgramCache]: Analyzing trace with hash -441040544, now seen corresponding path program 1 times [2024-11-19 01:19:53,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:53,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981974903] [2024-11-19 01:19:53,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 01:19:53,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:53,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981974903] [2024-11-19 01:19:53,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981974903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:53,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366769185] [2024-11-19 01:19:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:53,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:53,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:53,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:19:53,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 01:19:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:53,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 01:19:53,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:19:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-19 01:19:53,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:19:53,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366769185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:53,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:19:53,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-19 01:19:53,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269018466] [2024-11-19 01:19:53,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:53,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:19:53,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:53,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:19:53,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:53,950 INFO L87 Difference]: Start difference. First operand 139 states and 202 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:53,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:53,979 INFO L93 Difference]: Finished difference Result 278 states and 405 transitions. [2024-11-19 01:19:53,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:19:53,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-19 01:19:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:53,983 INFO L225 Difference]: With dead ends: 278 [2024-11-19 01:19:53,983 INFO L226 Difference]: Without dead ends: 142 [2024-11-19 01:19:53,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:53,985 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:53,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 574 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-19 01:19:53,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2024-11-19 01:19:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 121 states have internal predecessors, (168), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 204 transitions. [2024-11-19 01:19:54,001 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 204 transitions. Word has length 156 [2024-11-19 01:19:54,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:54,002 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 204 transitions. [2024-11-19 01:19:54,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2024-11-19 01:19:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:54,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:54,004 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:54,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 01:19:54,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:54,206 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:54,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash 239017826, now seen corresponding path program 1 times [2024-11-19 01:19:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:54,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560998347] [2024-11-19 01:19:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 01:19:54,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:54,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560998347] [2024-11-19 01:19:54,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560998347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:54,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98105048] [2024-11-19 01:19:54,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:54,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:54,466 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) [2024-11-19 01:19:54,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 01:19:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:54,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 01:19:54,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:19:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-19 01:19:54,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:19:54,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98105048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:54,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:19:54,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-19 01:19:54,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675288100] [2024-11-19 01:19:54,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:54,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:19:54,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:54,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:19:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:54,855 INFO L87 Difference]: Start difference. First operand 141 states and 204 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:54,885 INFO L93 Difference]: Finished difference Result 282 states and 409 transitions. [2024-11-19 01:19:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:19:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-19 01:19:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:54,888 INFO L225 Difference]: With dead ends: 282 [2024-11-19 01:19:54,889 INFO L226 Difference]: Without dead ends: 144 [2024-11-19 01:19:54,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:54,890 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:54,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 575 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:54,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-19 01:19:54,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2024-11-19 01:19:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 123 states have internal predecessors, (170), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:54,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2024-11-19 01:19:54,907 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 156 [2024-11-19 01:19:54,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:54,908 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2024-11-19 01:19:54,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2024-11-19 01:19:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:54,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:54,913 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:54,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 01:19:55,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:55,118 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:55,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:55,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2014025188, now seen corresponding path program 1 times [2024-11-19 01:19:55,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:55,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459037318] [2024-11-19 01:19:55,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 01:19:55,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:55,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459037318] [2024-11-19 01:19:55,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459037318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:55,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901944204] [2024-11-19 01:19:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:55,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:55,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:55,378 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) [2024-11-19 01:19:55,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 01:19:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:55,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 01:19:55,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:19:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-19 01:19:55,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:19:55,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901944204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:55,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:19:55,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-19 01:19:55,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781906885] [2024-11-19 01:19:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:55,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:19:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:55,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:19:55,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:55,740 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:55,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:55,765 INFO L93 Difference]: Finished difference Result 286 states and 413 transitions. [2024-11-19 01:19:55,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:19:55,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-19 01:19:55,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:55,767 INFO L225 Difference]: With dead ends: 286 [2024-11-19 01:19:55,767 INFO L226 Difference]: Without dead ends: 146 [2024-11-19 01:19:55,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:19:55,769 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:55,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 577 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:55,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-19 01:19:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2024-11-19 01:19:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 125 states have (on average 1.376) internal successors, (172), 125 states have internal predecessors, (172), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 208 transitions. [2024-11-19 01:19:55,781 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 208 transitions. Word has length 156 [2024-11-19 01:19:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:55,781 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 208 transitions. [2024-11-19 01:19:55,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 208 transitions. [2024-11-19 01:19:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 01:19:55,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:55,786 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:55,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 01:19:55,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:55,987 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:55,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:55,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2015872230, now seen corresponding path program 1 times [2024-11-19 01:19:55,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:55,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786245404] [2024-11-19 01:19:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 01:19:56,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:56,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786245404] [2024-11-19 01:19:56,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786245404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:56,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365875862] [2024-11-19 01:19:56,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:56,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:56,241 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) [2024-11-19 01:19:56,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 01:19:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:56,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 01:19:56,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:19:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-19 01:19:56,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:19:56,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365875862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:19:56,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:19:56,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-19 01:19:56,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390116698] [2024-11-19 01:19:56,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:19:56,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:19:56,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:19:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:19:56,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:19:56,636 INFO L87 Difference]: Start difference. First operand 145 states and 208 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:19:56,657 INFO L93 Difference]: Finished difference Result 289 states and 416 transitions. [2024-11-19 01:19:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:19:56,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-19 01:19:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:19:56,659 INFO L225 Difference]: With dead ends: 289 [2024-11-19 01:19:56,659 INFO L226 Difference]: Without dead ends: 147 [2024-11-19 01:19:56,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:19:56,661 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:19:56,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:19:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-19 01:19:56,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-19 01:19:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 01:19:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 210 transitions. [2024-11-19 01:19:56,666 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 210 transitions. Word has length 156 [2024-11-19 01:19:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:19:56,667 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 210 transitions. [2024-11-19 01:19:56,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 01:19:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 210 transitions. [2024-11-19 01:19:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-19 01:19:56,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:19:56,669 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:19:56,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 01:19:56,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:56,870 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:19:56,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:19:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash -926746335, now seen corresponding path program 1 times [2024-11-19 01:19:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:19:56,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706054261] [2024-11-19 01:19:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:19:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:19:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 01:19:59,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:19:59,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706054261] [2024-11-19 01:19:59,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706054261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:19:59,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228573420] [2024-11-19 01:19:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:19:59,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:19:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:19:59,999 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:20:00,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 01:20:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:20:00,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-19 01:20:00,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:20:01,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 01:20:02,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:02,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:03,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:03,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:04,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:04,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:05,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:20:05,645 INFO L349 Elim1Store]: treesize reduction 264, result has 11.7 percent of original size [2024-11-19 01:20:05,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 472 treesize of output 311 [2024-11-19 01:20:06,124 INFO L349 Elim1Store]: treesize reduction 123, result has 29.7 percent of original size [2024-11-19 01:20:06,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 250 treesize of output 285 [2024-11-19 01:20:07,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2024-11-19 01:20:07,653 INFO L349 Elim1Store]: treesize reduction 123, result has 29.7 percent of original size [2024-11-19 01:20:07,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 205 treesize of output 234 [2024-11-19 01:20:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,743 INFO L349 Elim1Store]: treesize reduction 147, result has 27.9 percent of original size [2024-11-19 01:20:11,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 121 treesize of output 192 [2024-11-19 01:20:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:11,957 INFO L349 Elim1Store]: treesize reduction 147, result has 27.9 percent of original size [2024-11-19 01:20:11,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 101 treesize of output 185 [2024-11-19 01:20:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,172 INFO L349 Elim1Store]: treesize reduction 199, result has 21.0 percent of original size [2024-11-19 01:20:12,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 121 treesize of output 188 [2024-11-19 01:20:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:12,395 INFO L349 Elim1Store]: treesize reduction 162, result has 26.0 percent of original size [2024-11-19 01:20:12,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 204 [2024-11-19 01:20:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,117 INFO L349 Elim1Store]: treesize reduction 105, result has 29.5 percent of original size [2024-11-19 01:20:13,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 112 [2024-11-19 01:20:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,285 INFO L349 Elim1Store]: treesize reduction 150, result has 16.7 percent of original size [2024-11-19 01:20:13,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 135 [2024-11-19 01:20:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,416 INFO L349 Elim1Store]: treesize reduction 124, result has 28.3 percent of original size [2024-11-19 01:20:13,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 140 [2024-11-19 01:20:13,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:13,650 INFO L349 Elim1Store]: treesize reduction 189, result has 22.2 percent of original size [2024-11-19 01:20:13,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 101 treesize of output 224 [2024-11-19 01:20:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,237 INFO L349 Elim1Store]: treesize reduction 253, result has 18.6 percent of original size [2024-11-19 01:20:14,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 101 treesize of output 228 [2024-11-19 01:20:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,720 INFO L349 Elim1Store]: treesize reduction 146, result has 18.9 percent of original size [2024-11-19 01:20:14,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 90 treesize of output 146 [2024-11-19 01:20:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,889 INFO L349 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2024-11-19 01:20:14,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 93 [2024-11-19 01:20:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:14,940 INFO L349 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2024-11-19 01:20:14,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-19 01:20:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:20:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver