./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-multidimensional/init-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-3-u.c -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 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 20:56:18,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 20:56:18,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 20:56:18,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 20:56:18,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 20:56:18,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 20:56:18,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 20:56:18,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 20:56:18,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 20:56:18,256 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 20:56:18,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 20:56:18,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 20:56:18,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 20:56:18,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 20:56:18,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 20:56:18,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 20:56:18,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 20:56:18,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 20:56:18,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 20:56:18,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 20:56:18,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 20:56:18,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 20:56:18,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 20:56:18,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 20:56:18,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 20:56:18,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 20:56:18,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 20:56:18,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 20:56:18,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 20:56:18,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 20:56:18,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 20:56:18,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 20:56:18,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 20:56:18,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 20:56:18,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 20:56:18,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 20:56:18,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 20:56:18,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 20:56:18,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 20:56:18,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 20:56:18,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 20:56:18,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 20:56:18,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 [2024-11-21 20:56:18,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 20:56:18,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 20:56:18,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 20:56:18,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 20:56:18,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 20:56:18,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-3-u.c [2024-11-21 20:56:19,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 20:56:19,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 20:56:19,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c [2024-11-21 20:56:19,884 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26541cab4/e9eea3b315c54322936ea422f2aeb308/FLAG0b2cceb64 [2024-11-21 20:56:19,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26541cab4/e9eea3b315c54322936ea422f2aeb308 [2024-11-21 20:56:19,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 20:56:19,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 20:56:19,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 20:56:19,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 20:56:19,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 20:56:19,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:19" (1/1) ... [2024-11-21 20:56:19,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b750f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:19, skipping insertion in model container [2024-11-21 20:56:19,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:19" (1/1) ... [2024-11-21 20:56:19,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 20:56:20,063 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/array-multidimensional/init-3-u.c[320,333] [2024-11-21 20:56:20,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 20:56:20,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 20:56:20,092 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/array-multidimensional/init-3-u.c[320,333] [2024-11-21 20:56:20,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 20:56:20,110 INFO L204 MainTranslator]: Completed translation [2024-11-21 20:56:20,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20 WrapperNode [2024-11-21 20:56:20,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 20:56:20,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 20:56:20,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 20:56:20,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 20:56:20,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,139 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-11-21 20:56:20,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 20:56:20,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 20:56:20,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 20:56:20,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 20:56:20,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,157 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-21 20:56:20,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 20:56:20,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 20:56:20,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 20:56:20,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 20:56:20,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (1/1) ... [2024-11-21 20:56:20,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 20:56:20,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:56:20,194 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) [2024-11-21 20:56:20,196 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 [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-21 20:56:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 20:56:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 20:56:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-21 20:56:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-21 20:56:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 20:56:20,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 20:56:20,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 20:56:20,377 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-21 20:56:20,377 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 20:56:20,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 20:56:20,387 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-21 20:56:20,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:56:20 BoogieIcfgContainer [2024-11-21 20:56:20,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 20:56:20,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 20:56:20,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 20:56:20,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 20:56:20,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:56:19" (1/3) ... [2024-11-21 20:56:20,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce2f206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:56:20, skipping insertion in model container [2024-11-21 20:56:20,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:20" (2/3) ... [2024-11-21 20:56:20,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce2f206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:56:20, skipping insertion in model container [2024-11-21 20:56:20,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:56:20" (3/3) ... [2024-11-21 20:56:20,393 INFO L112 eAbstractionObserver]: Analyzing ICFG init-3-u.c [2024-11-21 20:56:20,413 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 20:56:20,413 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 20:56:20,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 20:56:20,487 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;@111d7148, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 20:56:20,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 20:56:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-21 20:56:20,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:20,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:20,495 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:20,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:20,499 INFO L85 PathProgramCache]: Analyzing trace with hash 468841592, now seen corresponding path program 1 times [2024-11-21 20:56:20,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:20,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701214941] [2024-11-21 20:56:20,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:56:20,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:56:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:20,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:20,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701214941] [2024-11-21 20:56:20,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701214941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 20:56:20,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 20:56:20,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 20:56:20,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004385944] [2024-11-21 20:56:20,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 20:56:20,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 20:56:20,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:56:20,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 20:56:20,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 20:56:20,647 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:56:20,658 INFO L93 Difference]: Finished difference Result 40 states and 64 transitions. [2024-11-21 20:56:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 20:56:20,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-21 20:56:20,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:56:20,665 INFO L225 Difference]: With dead ends: 40 [2024-11-21 20:56:20,665 INFO L226 Difference]: Without dead ends: 17 [2024-11-21 20:56:20,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 20:56:20,669 INFO L432 NwaCegarLoop]: 26 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, 26 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 [2024-11-21 20:56:20,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:56:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-21 20:56:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-21 20:56:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-21 20:56:20,693 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2024-11-21 20:56:20,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:56:20,693 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-21 20:56:20,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-21 20:56:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-21 20:56:20,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:20,694 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:20,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 20:56:20,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:20,695 INFO L85 PathProgramCache]: Analyzing trace with hash -386465062, now seen corresponding path program 1 times [2024-11-21 20:56:20,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:20,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175492284] [2024-11-21 20:56:20,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:56:20,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:56:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:20,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:20,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175492284] [2024-11-21 20:56:20,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175492284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 20:56:20,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 20:56:20,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 20:56:20,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589787648] [2024-11-21 20:56:20,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 20:56:20,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 20:56:20,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:56:20,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 20:56:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 20:56:20,814 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:56:20,861 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2024-11-21 20:56:20,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 20:56:20,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-21 20:56:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:56:20,862 INFO L225 Difference]: With dead ends: 32 [2024-11-21 20:56:20,862 INFO L226 Difference]: Without dead ends: 22 [2024-11-21 20:56:20,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 20:56:20,863 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:56:20,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:56:20,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-21 20:56:20,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2024-11-21 20:56:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-21 20:56:20,872 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 9 [2024-11-21 20:56:20,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:56:20,872 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-21 20:56:20,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-21 20:56:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-21 20:56:20,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:20,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:20,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 20:56:20,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:20,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:20,876 INFO L85 PathProgramCache]: Analyzing trace with hash 750439074, now seen corresponding path program 1 times [2024-11-21 20:56:20,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:20,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779715047] [2024-11-21 20:56:20,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:56:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:56:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:20,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:20,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779715047] [2024-11-21 20:56:20,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779715047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 20:56:20,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 20:56:20,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 20:56:20,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629779225] [2024-11-21 20:56:20,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 20:56:20,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 20:56:20,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:56:20,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 20:56:20,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 20:56:20,974 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:56:21,013 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2024-11-21 20:56:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 20:56:21,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-21 20:56:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:56:21,014 INFO L225 Difference]: With dead ends: 43 [2024-11-21 20:56:21,014 INFO L226 Difference]: Without dead ends: 28 [2024-11-21 20:56:21,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 20:56:21,015 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 41 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:56:21,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:56:21,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-21 20:56:21,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2024-11-21 20:56:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-11-21 20:56:21,019 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 12 [2024-11-21 20:56:21,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:56:21,020 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-21 20:56:21,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-21 20:56:21,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-21 20:56:21,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:21,020 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:21,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 20:56:21,021 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:21,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:21,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1168938424, now seen corresponding path program 1 times [2024-11-21 20:56:21,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:21,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004135541] [2024-11-21 20:56:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:56:21,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:56:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:21,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:21,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004135541] [2024-11-21 20:56:21,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004135541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 20:56:21,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 20:56:21,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 20:56:21,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107281508] [2024-11-21 20:56:21,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 20:56:21,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 20:56:21,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:56:21,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 20:56:21,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 20:56:21,103 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:56:21,137 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2024-11-21 20:56:21,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 20:56:21,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-21 20:56:21,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:56:21,138 INFO L225 Difference]: With dead ends: 43 [2024-11-21 20:56:21,138 INFO L226 Difference]: Without dead ends: 26 [2024-11-21 20:56:21,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 20:56:21,141 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 23 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:56:21,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 20 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:56:21,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-21 20:56:21,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2024-11-21 20:56:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-21 20:56:21,147 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 15 [2024-11-21 20:56:21,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:56:21,147 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-21 20:56:21,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-21 20:56:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-21 20:56:21,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:21,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:21,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 20:56:21,149 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:21,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:21,149 INFO L85 PathProgramCache]: Analyzing trace with hash 18975699, now seen corresponding path program 1 times [2024-11-21 20:56:21,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:21,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216473271] [2024-11-21 20:56:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:56:21,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:56:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:21,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:21,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216473271] [2024-11-21 20:56:21,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216473271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:56:21,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277886502] [2024-11-21 20:56:21,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:56:21,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:56:21,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:56:21,250 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) [2024-11-21 20:56:21,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-21 20:56:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:56:21,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-21 20:56:21,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:56:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:21,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 20:56:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277886502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 20:56:21,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 20:56:21,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-21 20:56:21,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471862808] [2024-11-21 20:56:21,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 20:56:21,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 20:56:21,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:56:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 20:56:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-21 20:56:21,407 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:56:21,480 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2024-11-21 20:56:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 20:56:21,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-21 20:56:21,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:56:21,481 INFO L225 Difference]: With dead ends: 59 [2024-11-21 20:56:21,482 INFO L226 Difference]: Without dead ends: 40 [2024-11-21 20:56:21,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-21 20:56:21,483 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 73 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:56:21,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 30 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:56:21,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-21 20:56:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2024-11-21 20:56:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-21 20:56:21,489 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 16 [2024-11-21 20:56:21,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:56:21,489 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-21 20:56:21,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-21 20:56:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-21 20:56:21,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:21,492 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:21,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-21 20:56:21,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:56:21,696 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:21,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:21,697 INFO L85 PathProgramCache]: Analyzing trace with hash -163134344, now seen corresponding path program 2 times [2024-11-21 20:56:21,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:21,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944714901] [2024-11-21 20:56:21,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 20:56:21,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:21,724 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 20:56:21,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:56:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-21 20:56:21,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:21,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944714901] [2024-11-21 20:56:21,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944714901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:56:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381553039] [2024-11-21 20:56:21,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 20:56:21,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:56:21,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:56:21,808 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) [2024-11-21 20:56:21,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 20:56:21,892 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 20:56:21,892 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:56:21,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 20:56:21,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:56:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:21,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 20:56:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:56:22,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381553039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 20:56:22,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 20:56:22,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 16 [2024-11-21 20:56:22,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979967122] [2024-11-21 20:56:22,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 20:56:22,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-21 20:56:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:56:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-21 20:56:22,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2024-11-21 20:56:22,045 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:22,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:56:22,556 INFO L93 Difference]: Finished difference Result 250 states and 308 transitions. [2024-11-21 20:56:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 20:56:22,556 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-21 20:56:22,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:56:22,557 INFO L225 Difference]: With dead ends: 250 [2024-11-21 20:56:22,557 INFO L226 Difference]: Without dead ends: 219 [2024-11-21 20:56:22,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=629, Invalid=1093, Unknown=0, NotChecked=0, Total=1722 [2024-11-21 20:56:22,559 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 624 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-21 20:56:22,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 56 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-21 20:56:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-21 20:56:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 74. [2024-11-21 20:56:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 73 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 90 transitions. [2024-11-21 20:56:22,577 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 90 transitions. Word has length 19 [2024-11-21 20:56:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:56:22,578 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 90 transitions. [2024-11-21 20:56:22,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:56:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2024-11-21 20:56:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-21 20:56:22,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:56:22,579 INFO L215 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:56:22,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 20:56:22,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 20:56:22,781 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:56:22,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:56:22,782 INFO L85 PathProgramCache]: Analyzing trace with hash 265793110, now seen corresponding path program 3 times [2024-11-21 20:56:22,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:56:22,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935117402] [2024-11-21 20:56:22,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 20:56:22,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:56:22,839 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-21 20:56:22,839 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:56:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 126 proven. 55 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-21 20:56:23,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:56:23,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935117402] [2024-11-21 20:56:23,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935117402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:56:23,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191066869] [2024-11-21 20:56:23,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 20:56:23,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:56:23,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:56:23,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:56:23,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 20:56:23,573 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-21 20:56:23,573 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:56:23,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-21 20:56:23,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:56:23,655 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 11 treesize of output 7 [2024-11-21 20:56:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,702 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 21 treesize of output 20 [2024-11-21 20:56:23,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 20:56:23,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-21 20:56:23,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 20:56:23,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-21 20:56:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:23,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 20:56:23,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2024-11-21 20:56:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:28,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 20:56:28,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 68 [2024-11-21 20:56:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:56:44,345 INFO L349 Elim1Store]: treesize reduction 106, result has 33.3 percent of original size [2024-11-21 20:56:44,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 66 treesize of output 80 [2024-11-21 20:57:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:00,530 INFO L349 Elim1Store]: treesize reduction 106, result has 33.3 percent of original size [2024-11-21 20:57:00,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 66 treesize of output 80 [2024-11-21 20:57:12,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:12,734 INFO L349 Elim1Store]: treesize reduction 106, result has 33.3 percent of original size [2024-11-21 20:57:12,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 66 treesize of output 80 [2024-11-21 20:57:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:28,898 INFO L349 Elim1Store]: treesize reduction 106, result has 33.3 percent of original size [2024-11-21 20:57:28,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 66 treesize of output 80 [2024-11-21 20:57:41,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:57:41,863 INFO L349 Elim1Store]: treesize reduction 270, result has 18.7 percent of original size [2024-11-21 20:57:41,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 82 treesize of output 99 [2024-11-21 20:58:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 20:58:02,101 INFO L349 Elim1Store]: treesize reduction 400, result has 16.3 percent of original size [2024-11-21 20:58:02,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 98 treesize of output 118