./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-43.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-43.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 8e02e3162d4ac684b0ff9ed860eab65b0ec801c533748a64b9c6f0865c039d56 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 01:17:31,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 01:17:31,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 01:17:31,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 01:17:31,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 01:17:31,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 01:17:31,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 01:17:31,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 01:17:31,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 01:17:31,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 01:17:31,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 01:17:31,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 01:17:31,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 01:17:31,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 01:17:31,760 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 01:17:31,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 01:17:31,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 01:17:31,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 01:17:31,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 01:17:31,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 01:17:31,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 01:17:31,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 01:17:31,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 01:17:31,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 01:17:31,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 01:17:31,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 01:17:31,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 01:17:31,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 01:17:31,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 01:17:31,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 01:17:31,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 01:17:31,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 01:17:31,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:17:31,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 01:17:31,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 01:17:31,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 01:17:31,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 01:17:31,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 01:17:31,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 01:17:31,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 01:17:31,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 01:17:31,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 01:17:31,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e02e3162d4ac684b0ff9ed860eab65b0ec801c533748a64b9c6f0865c039d56 [2024-11-19 01:17:31,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 01:17:31,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 01:17:31,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 01:17:31,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 01:17:31,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 01:17:31,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-43.i [2024-11-19 01:17:33,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 01:17:33,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 01:17:33,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-43.i [2024-11-19 01:17:33,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4a5b678/c03a0cf629d74474b73f9a9144859053/FLAGd98e6d270 [2024-11-19 01:17:33,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4a5b678/c03a0cf629d74474b73f9a9144859053 [2024-11-19 01:17:33,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 01:17:33,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 01:17:33,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 01:17:33,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 01:17:33,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 01:17:33,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:17:33" (1/1) ... [2024-11-19 01:17:33,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733ea6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:33, skipping insertion in model container [2024-11-19 01:17:33,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:17:33" (1/1) ... [2024-11-19 01:17:33,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 01:17:33,984 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-43.i[917,930] [2024-11-19 01:17:34,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:17:34,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 01:17:34,067 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-43.i[917,930] [2024-11-19 01:17:34,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:17:34,110 INFO L204 MainTranslator]: Completed translation [2024-11-19 01:17:34,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34 WrapperNode [2024-11-19 01:17:34,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 01:17:34,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 01:17:34,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 01:17:34,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 01:17:34,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,197 INFO L138 Inliner]: procedures = 30, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 559 [2024-11-19 01:17:34,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 01:17:34,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 01:17:34,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 01:17:34,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 01:17:34,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,250 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-19 01:17:34,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 01:17:34,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 01:17:34,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 01:17:34,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 01:17:34,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (1/1) ... [2024-11-19 01:17:34,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:17:34,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:17:34,318 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 01:17:34,321 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 01:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 01:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-19 01:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-19 01:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-19 01:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 01:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-19 01:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 01:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 01:17:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 01:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 01:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 01:17:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 01:17:34,473 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 01:17:34,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 01:17:35,079 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-19 01:17:35,079 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 01:17:35,094 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 01:17:35,095 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 01:17:35,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:35 BoogieIcfgContainer [2024-11-19 01:17:35,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 01:17:35,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 01:17:35,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 01:17:35,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 01:17:35,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:17:33" (1/3) ... [2024-11-19 01:17:35,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570df0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:17:35, skipping insertion in model container [2024-11-19 01:17:35,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:17:34" (2/3) ... [2024-11-19 01:17:35,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570df0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:17:35, skipping insertion in model container [2024-11-19 01:17:35,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:17:35" (3/3) ... [2024-11-19 01:17:35,105 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-43.i [2024-11-19 01:17:35,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 01:17:35,119 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 01:17:35,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 01:17:35,175 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;@47ba7134, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 01:17:35,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 01:17:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:35,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:35,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:35,192 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:35,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:35,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:35,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2025586780, now seen corresponding path program 1 times [2024-11-19 01:17:35,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:35,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119044896] [2024-11-19 01:17:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-19 01:17:35,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:35,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119044896] [2024-11-19 01:17:35,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119044896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:17:35,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372915768] [2024-11-19 01:17:35,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:35,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:17:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:17:35,610 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 01:17:35,612 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 01:17:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:35,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 01:17:35,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:17:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-19 01:17:35,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:17:35,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372915768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:35,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:17:35,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 01:17:35,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431150261] [2024-11-19 01:17:35,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:35,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 01:17:35,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:35,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 01:17:35,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 01:17:35,932 INFO L87 Difference]: Start difference. First operand has 126 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 01:17:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:35,955 INFO L93 Difference]: Finished difference Result 245 states and 388 transitions. [2024-11-19 01:17:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 01:17:35,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2024-11-19 01:17:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:35,964 INFO L225 Difference]: With dead ends: 245 [2024-11-19 01:17:35,965 INFO L226 Difference]: Without dead ends: 122 [2024-11-19 01:17:35,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 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 01:17:35,970 INFO L432 NwaCegarLoop]: 180 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, 180 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 01:17:35,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:17:35,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-19 01:17:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-19 01:17:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.4) internal successors, (140), 100 states have internal predecessors, (140), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 180 transitions. [2024-11-19 01:17:36,009 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 180 transitions. Word has length 168 [2024-11-19 01:17:36,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:36,009 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 180 transitions. [2024-11-19 01:17:36,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 01:17:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 180 transitions. [2024-11-19 01:17:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:36,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:36,015 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:36,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 01:17:36,215 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 01:17:36,216 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:36,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash 176494844, now seen corresponding path program 1 times [2024-11-19 01:17:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:36,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501913808] [2024-11-19 01:17:36,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:36,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 01:17:36,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:36,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501913808] [2024-11-19 01:17:36,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501913808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:36,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:17:36,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 01:17:36,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792777813] [2024-11-19 01:17:36,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:36,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:17:36,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:36,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:17:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:17:36,503 INFO L87 Difference]: Start difference. First operand 122 states and 180 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 01:17:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:36,551 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2024-11-19 01:17:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:17:36,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2024-11-19 01:17:36,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:36,554 INFO L225 Difference]: With dead ends: 243 [2024-11-19 01:17:36,554 INFO L226 Difference]: Without dead ends: 124 [2024-11-19 01:17:36,558 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 01:17:36,559 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 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 01:17:36,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:17:36,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-19 01:17:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-19 01:17:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 102 states have (on average 1.392156862745098) internal successors, (142), 102 states have internal predecessors, (142), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 182 transitions. [2024-11-19 01:17:36,579 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 182 transitions. Word has length 168 [2024-11-19 01:17:36,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:36,581 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 182 transitions. [2024-11-19 01:17:36,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 01:17:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2024-11-19 01:17:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:36,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:36,587 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:36,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 01:17:36,588 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:36,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:36,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1720484614, now seen corresponding path program 1 times [2024-11-19 01:17:36,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:36,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735201012] [2024-11-19 01:17:36,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:36,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 01:17:36,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:36,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735201012] [2024-11-19 01:17:36,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735201012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:36,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:17:36,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 01:17:36,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748937959] [2024-11-19 01:17:36,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:36,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:17:36,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:36,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:17:36,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:17:36,838 INFO L87 Difference]: Start difference. First operand 124 states and 182 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:36,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:36,865 INFO L93 Difference]: Finished difference Result 248 states and 365 transitions. [2024-11-19 01:17:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:17:36,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 168 [2024-11-19 01:17:36,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:36,867 INFO L225 Difference]: With dead ends: 248 [2024-11-19 01:17:36,867 INFO L226 Difference]: Without dead ends: 127 [2024-11-19 01:17:36,868 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 01:17:36,869 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 520 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 01:17:36,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:17:36,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-19 01:17:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-11-19 01:17:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 104 states have (on average 1.3846153846153846) internal successors, (144), 104 states have internal predecessors, (144), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 184 transitions. [2024-11-19 01:17:36,876 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 184 transitions. Word has length 168 [2024-11-19 01:17:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:36,877 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 184 transitions. [2024-11-19 01:17:36,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2024-11-19 01:17:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:36,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:36,882 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:36,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 01:17:36,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:36,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1040426244, now seen corresponding path program 1 times [2024-11-19 01:17:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:36,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316336193] [2024-11-19 01:17:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 01:17:37,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:37,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316336193] [2024-11-19 01:17:37,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316336193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:37,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:17:37,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 01:17:37,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674047630] [2024-11-19 01:17:37,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:37,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:17:37,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:37,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:17:37,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:17:37,034 INFO L87 Difference]: Start difference. First operand 126 states and 184 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:37,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:37,069 INFO L93 Difference]: Finished difference Result 252 states and 369 transitions. [2024-11-19 01:17:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:17:37,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 168 [2024-11-19 01:17:37,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:37,072 INFO L225 Difference]: With dead ends: 252 [2024-11-19 01:17:37,072 INFO L226 Difference]: Without dead ends: 129 [2024-11-19 01:17:37,073 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 01:17:37,073 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 521 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 01:17:37,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 521 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:17:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-19 01:17:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-11-19 01:17:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 186 transitions. [2024-11-19 01:17:37,086 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 186 transitions. Word has length 168 [2024-11-19 01:17:37,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:37,088 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 186 transitions. [2024-11-19 01:17:37,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 186 transitions. [2024-11-19 01:17:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:37,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:37,091 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:37,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 01:17:37,092 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:37,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:37,092 INFO L85 PathProgramCache]: Analyzing trace with hash 734581118, now seen corresponding path program 1 times [2024-11-19 01:17:37,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:37,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940013550] [2024-11-19 01:17:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:37,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 01:17:37,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:37,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940013550] [2024-11-19 01:17:37,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940013550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:37,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:17:37,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 01:17:37,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008163767] [2024-11-19 01:17:37,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:37,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:17:37,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:37,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:17:37,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:17:37,245 INFO L87 Difference]: Start difference. First operand 128 states and 186 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:37,272 INFO L93 Difference]: Finished difference Result 256 states and 373 transitions. [2024-11-19 01:17:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:17:37,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 168 [2024-11-19 01:17:37,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:37,275 INFO L225 Difference]: With dead ends: 256 [2024-11-19 01:17:37,277 INFO L226 Difference]: Without dead ends: 131 [2024-11-19 01:17:37,278 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 01:17:37,278 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 523 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 01:17:37,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:17:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-19 01:17:37,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-11-19 01:17:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 188 transitions. [2024-11-19 01:17:37,295 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 188 transitions. Word has length 168 [2024-11-19 01:17:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:37,296 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 188 transitions. [2024-11-19 01:17:37,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 188 transitions. [2024-11-19 01:17:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:37,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:37,298 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:37,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 01:17:37,298 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:37,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash 736428160, now seen corresponding path program 1 times [2024-11-19 01:17:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688888494] [2024-11-19 01:17:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:37,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 01:17:38,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:38,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688888494] [2024-11-19 01:17:38,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688888494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:38,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:17:38,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 01:17:38,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484655941] [2024-11-19 01:17:38,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:38,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 01:17:38,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:38,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 01:17:38,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 01:17:38,356 INFO L87 Difference]: Start difference. First operand 130 states and 188 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 01:17:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:38,958 INFO L93 Difference]: Finished difference Result 304 states and 437 transitions. [2024-11-19 01:17:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 01:17:38,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2024-11-19 01:17:38,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:38,960 INFO L225 Difference]: With dead ends: 304 [2024-11-19 01:17:38,960 INFO L226 Difference]: Without dead ends: 177 [2024-11-19 01:17:38,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:17:38,962 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 236 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 01:17:38,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 657 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 01:17:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-19 01:17:38,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 138. [2024-11-19 01:17:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 116 states have (on average 1.3706896551724137) internal successors, (159), 116 states have internal predecessors, (159), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 199 transitions. [2024-11-19 01:17:38,979 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 199 transitions. Word has length 168 [2024-11-19 01:17:38,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:38,979 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 199 transitions. [2024-11-19 01:17:38,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 01:17:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2024-11-19 01:17:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:38,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:38,982 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:38,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 01:17:38,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:38,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:38,986 INFO L85 PathProgramCache]: Analyzing trace with hash -284640194, now seen corresponding path program 1 times [2024-11-19 01:17:38,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:38,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854796563] [2024-11-19 01:17:38,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:38,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 01:17:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:39,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854796563] [2024-11-19 01:17:39,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854796563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:17:39,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:17:39,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 01:17:39,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048173179] [2024-11-19 01:17:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:17:39,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 01:17:39,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:17:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 01:17:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:17:39,901 INFO L87 Difference]: Start difference. First operand 138 states and 199 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:40,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:17:40,391 INFO L93 Difference]: Finished difference Result 311 states and 446 transitions. [2024-11-19 01:17:40,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:17:40,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 168 [2024-11-19 01:17:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:17:40,394 INFO L225 Difference]: With dead ends: 311 [2024-11-19 01:17:40,396 INFO L226 Difference]: Without dead ends: 176 [2024-11-19 01:17:40,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:17:40,397 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 214 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 01:17:40,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 596 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 01:17:40,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-19 01:17:40,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 138. [2024-11-19 01:17:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 116 states have (on average 1.3620689655172413) internal successors, (158), 116 states have internal predecessors, (158), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 01:17:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2024-11-19 01:17:40,414 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 198 transitions. Word has length 168 [2024-11-19 01:17:40,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:17:40,415 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 198 transitions. [2024-11-19 01:17:40,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 01:17:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 198 transitions. [2024-11-19 01:17:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 01:17:40,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:17:40,417 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:40,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 01:17:40,417 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:17:40,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:17:40,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1058318679, now seen corresponding path program 1 times [2024-11-19 01:17:40,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:17:40,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730646829] [2024-11-19 01:17:40,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:40,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:17:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-19 01:17:42,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:17:42,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730646829] [2024-11-19 01:17:42,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730646829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:17:42,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086215077] [2024-11-19 01:17:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:17:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:17:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:17:42,042 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 01:17:42,043 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 01:17:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:17:42,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-19 01:17:42,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:17:43,044 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 01:17:43,379 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 23 treesize of output 11 [2024-11-19 01:17:43,586 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 23 treesize of output 11 [2024-11-19 01:17:43,799 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 23 treesize of output 11 [2024-11-19 01:17:43,981 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 23 treesize of output 11 [2024-11-19 01:17:44,170 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 23 treesize of output 11 [2024-11-19 01:17:44,397 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 23 treesize of output 11 [2024-11-19 01:17:44,604 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 23 treesize of output 11 [2024-11-19 01:17:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:44,878 INFO L349 Elim1Store]: treesize reduction 245, result has 25.1 percent of original size [2024-11-19 01:17:44,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 70 treesize of output 145 [2024-11-19 01:17:45,152 INFO L349 Elim1Store]: treesize reduction 252, result has 32.3 percent of original size [2024-11-19 01:17:45,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 219 treesize of output 284 [2024-11-19 01:17:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,625 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:46,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-19 01:17:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,676 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:46,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-19 01:17:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,695 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:46,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-19 01:17:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,730 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:46,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-19 01:17:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,741 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:46,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-19 01:17:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,759 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-19 01:17:46,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 31 [2024-11-19 01:17:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,815 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:46,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 21 [2024-11-19 01:17:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2024-11-19 01:17:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2024-11-19 01:17:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2024-11-19 01:17:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 11 [2024-11-19 01:17:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2024-11-19 01:17:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2024-11-19 01:17:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:46,966 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-19 01:17:46,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 21 [2024-11-19 01:17:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,080 INFO L349 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2024-11-19 01:17:47,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 59 [2024-11-19 01:17:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,177 INFO L349 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2024-11-19 01:17:47,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 59 [2024-11-19 01:17:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,281 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-11-19 01:17:47,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 48 [2024-11-19 01:17:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,323 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-19 01:17:47,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 1 [2024-11-19 01:17:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,365 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-19 01:17:47,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 1 [2024-11-19 01:17:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,377 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2024-11-19 01:17:47,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 1 [2024-11-19 01:17:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,390 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-19 01:17:47,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2024-11-19 01:17:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,416 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-19 01:17:47,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 1 [2024-11-19 01:17:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,430 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:47,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2024-11-19 01:17:47,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 9 treesize of output 7 [2024-11-19 01:17:47,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-19 01:17:47,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,648 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-19 01:17:47,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2024-11-19 01:17:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-19 01:17:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:17:47,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15