./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array16_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array16_pattern.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:13:03,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:13:03,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-10 22:13:03,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:13:03,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:13:03,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:13:03,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:13:03,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:13:03,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:13:03,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:13:03,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:13:03,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:13:03,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:13:03,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:13:03,850 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:13:03,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:13:03,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:13:03,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-10 22:13:03,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-10 22:13:03,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-10 22:13:03,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:13:03,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:13:03,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:13:03,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:13:03,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:13:03,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-10 22:13:03,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:13:03,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:13:03,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:13:03,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:13:03,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:13:03,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:13:03,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:13:03,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:13:03,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:13:03,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:13:03,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-10 22:13:03,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-10 22:13:03,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:13:03,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:13:03,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:13:03,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:13:03,857 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2024-10-10 22:13:04,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:13:04,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:13:04,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:13:04,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:13:04,109 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:13:04,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array16_pattern.c [2024-10-10 22:13:05,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:13:05,473 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:13:05,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array16_pattern.c [2024-10-10 22:13:05,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/07c17cbab/4630d61761f54dcabbf389d663112337/FLAG56e3e414d [2024-10-10 22:13:05,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/07c17cbab/4630d61761f54dcabbf389d663112337 [2024-10-10 22:13:05,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:13:05,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:13:05,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:13:05,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:13:05,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:13:05,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb86d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05, skipping insertion in model container [2024-10-10 22:13:05,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:13:05,674 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2024-10-10 22:13:05,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:13:05,706 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:13:05,716 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2024-10-10 22:13:05,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:13:05,746 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:13:05,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05 WrapperNode [2024-10-10 22:13:05,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:13:05,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:13:05,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:13:05,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:13:05,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,783 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2024-10-10 22:13:05,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:13:05,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:13:05,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:13:05,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:13:05,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,807 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-10-10 22:13:05,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:13:05,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:13:05,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:13:05,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:13:05,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:13:05,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:05,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:13:05,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:13:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:13:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-10 22:13:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-10 22:13:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-10 22:13:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-10 22:13:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-10 22:13:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-10 22:13:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-10 22:13:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:13:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:13:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-10 22:13:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-10 22:13:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-10 22:13:05,958 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:13:05,960 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:13:06,128 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-10 22:13:06,129 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:13:06,155 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:13:06,155 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-10 22:13:06,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:13:06 BoogieIcfgContainer [2024-10-10 22:13:06,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:13:06,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:13:06,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:13:06,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:13:06,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:13:05" (1/3) ... [2024-10-10 22:13:06,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc2362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:13:06, skipping insertion in model container [2024-10-10 22:13:06,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05" (2/3) ... [2024-10-10 22:13:06,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc2362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:13:06, skipping insertion in model container [2024-10-10 22:13:06,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:13:06" (3/3) ... [2024-10-10 22:13:06,167 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_pattern.c [2024-10-10 22:13:06,180 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:13:06,180 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-10 22:13:06,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:13:06,241 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;@2a83d80e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:13:06,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-10 22:13:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-10 22:13:06,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:06,254 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:06,255 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:06,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:06,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1700327762, now seen corresponding path program 1 times [2024-10-10 22:13:06,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:06,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727431887] [2024-10-10 22:13:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:06,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:13:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727431887] [2024-10-10 22:13:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727431887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:13:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:13:06,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783379005] [2024-10-10 22:13:06,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:06,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-10 22:13:06,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:06,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-10 22:13:06,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-10 22:13:06,425 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-10 22:13:06,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:06,457 INFO L93 Difference]: Finished difference Result 50 states and 82 transitions. [2024-10-10 22:13:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-10 22:13:06,460 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-10-10 22:13:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:06,465 INFO L225 Difference]: With dead ends: 50 [2024-10-10 22:13:06,465 INFO L226 Difference]: Without dead ends: 24 [2024-10-10 22:13:06,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-10 22:13:06,472 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:06,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:13:06,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-10 22:13:06,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-10-10 22:13:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2024-10-10 22:13:06,502 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 14 [2024-10-10 22:13:06,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:06,503 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2024-10-10 22:13:06,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-10 22:13:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-10-10 22:13:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-10 22:13:06,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:06,504 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:06,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-10 22:13:06,504 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:06,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:06,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1347272957, now seen corresponding path program 1 times [2024-10-10 22:13:06,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:06,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575217217] [2024-10-10 22:13:06,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:06,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-10 22:13:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-10 22:13:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-10 22:13:06,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:06,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575217217] [2024-10-10 22:13:06,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575217217] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-10 22:13:06,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619617217] [2024-10-10 22:13:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:06,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:06,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:06,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-10 22:13:06,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-10 22:13:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-10 22:13:07,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:13:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-10 22:13:07,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-10 22:13:07,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619617217] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:07,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-10 22:13:07,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2024-10-10 22:13:07,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516292850] [2024-10-10 22:13:07,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:07,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-10 22:13:07,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:07,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-10 22:13:07,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-10 22:13:07,181 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:07,276 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2024-10-10 22:13:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-10 22:13:07,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-10-10 22:13:07,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:07,279 INFO L225 Difference]: With dead ends: 33 [2024-10-10 22:13:07,280 INFO L226 Difference]: Without dead ends: 29 [2024-10-10 22:13:07,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-10 22:13:07,282 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:07,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 74 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-10 22:13:07,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-10 22:13:07,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-10-10 22:13:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2024-10-10 22:13:07,290 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 27 [2024-10-10 22:13:07,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:07,290 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2024-10-10 22:13:07,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-10-10 22:13:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-10 22:13:07,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:07,291 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:07,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-10 22:13:07,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:07,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:07,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1362376637, now seen corresponding path program 1 times [2024-10-10 22:13:07,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728692556] [2024-10-10 22:13:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-10 22:13:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-10 22:13:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-10 22:13:07,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:07,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728692556] [2024-10-10 22:13:07,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728692556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:07,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:13:07,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-10 22:13:07,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295993447] [2024-10-10 22:13:07,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:07,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-10 22:13:07,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:07,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-10 22:13:07,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-10 22:13:07,612 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:07,673 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-10-10 22:13:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-10 22:13:07,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-10 22:13:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:07,674 INFO L225 Difference]: With dead ends: 57 [2024-10-10 22:13:07,674 INFO L226 Difference]: Without dead ends: 35 [2024-10-10 22:13:07,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-10 22:13:07,679 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 13 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:07,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 49 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-10 22:13:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-10 22:13:07,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2024-10-10 22:13:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-10-10 22:13:07,688 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 31 [2024-10-10 22:13:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:07,689 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-10 22:13:07,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-10-10 22:13:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-10 22:13:07,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:07,691 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:07,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-10 22:13:07,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:07,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:07,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1313151607, now seen corresponding path program 1 times [2024-10-10 22:13:07,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:07,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213940498] [2024-10-10 22:13:07,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:07,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-10 22:13:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-10 22:13:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-10 22:13:07,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:07,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213940498] [2024-10-10 22:13:07,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213940498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:07,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:13:07,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-10 22:13:07,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523504044] [2024-10-10 22:13:07,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:07,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-10 22:13:07,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:07,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-10 22:13:07,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-10 22:13:07,761 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:07,786 INFO L93 Difference]: Finished difference Result 56 states and 74 transitions. [2024-10-10 22:13:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-10 22:13:07,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-10-10 22:13:07,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:07,787 INFO L225 Difference]: With dead ends: 56 [2024-10-10 22:13:07,787 INFO L226 Difference]: Without dead ends: 32 [2024-10-10 22:13:07,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-10 22:13:07,788 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 7 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:07,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 44 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:13:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-10 22:13:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-10-10 22:13:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-10-10 22:13:07,792 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 34 [2024-10-10 22:13:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:07,792 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-10-10 22:13:07,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-10-10 22:13:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-10 22:13:07,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:07,793 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:07,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-10 22:13:07,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:07,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1854339750, now seen corresponding path program 1 times [2024-10-10 22:13:07,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:07,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487326009] [2024-10-10 22:13:07,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:07,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-10 22:13:07,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1570095440] [2024-10-10 22:13:07,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:07,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:07,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:07,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-10 22:13:07,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-10 22:13:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-10 22:13:07,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:13:07,972 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 [2024-10-10 22:13:08,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 131 [2024-10-10 22:13:08,701 INFO L349 Elim1Store]: treesize reduction 116, result has 24.2 percent of original size [2024-10-10 22:13:08,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 575 [2024-10-10 22:13:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,446 INFO L349 Elim1Store]: treesize reduction 146, result has 8.8 percent of original size [2024-10-10 22:13:10,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 628 treesize of output 758 [2024-10-10 22:13:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,226 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:12,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 126 [2024-10-10 22:13:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,437 INFO L349 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2024-10-10 22:13:12,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 194 treesize of output 183 [2024-10-10 22:13:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:13,234 INFO L349 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2024-10-10 22:13:13,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 445 treesize of output 991 [2024-10-10 22:13:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,010 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:28,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:28,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:28,134 INFO L349 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2024-10-10 22:13:28,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 161 [2024-10-10 22:13:28,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:28,794 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:28,946 INFO L224 Elim1Store]: Index analysis took 719 ms [2024-10-10 22:13:29,237 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2024-10-10 22:13:29,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 233 treesize of output 161 [2024-10-10 22:13:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,624 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:29,626 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:29,642 INFO L349 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2024-10-10 22:13:29,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 54 [2024-10-10 22:13:29,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:29,781 INFO L349 Elim1Store]: treesize reduction 114, result has 11.6 percent of original size [2024-10-10 22:13:29,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 177 treesize of output 70 [2024-10-10 22:13:50,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1526 treesize of output 1404