./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-8fc3dc6-m [2025-03-16 13:45:14,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 13:45:14,232 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 13:45:14,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 13:45:14,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 13:45:14,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 13:45:14,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 13:45:14,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 13:45:14,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 13:45:14,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 13:45:14,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 13:45:14,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 13:45:14,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 13:45:14,260 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 13:45:14,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 13:45:14,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 13:45:14,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 13:45:14,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 13:45:14,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 13:45:14,263 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-16 13:45:14,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 13:45:14,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 13:45:14,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 13:45:14,462 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 13:45:14,463 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 13:45:14,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-03-16 13:45:15,549 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cf27214/bd6f14b774c64074a324353e5beae865/FLAGb328d3998 [2025-03-16 13:45:15,792 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 13:45:15,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-03-16 13:45:15,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cf27214/bd6f14b774c64074a324353e5beae865/FLAGb328d3998 [2025-03-16 13:45:16,125 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cf27214/bd6f14b774c64074a324353e5beae865 [2025-03-16 13:45:16,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 13:45:16,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 13:45:16,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 13:45:16,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 13:45:16,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 13:45:16,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c82d3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16, skipping insertion in model container [2025-03-16 13:45:16,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,145 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 13:45:16,228 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] [2025-03-16 13:45:16,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 13:45:16,249 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 13:45:16,258 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] [2025-03-16 13:45:16,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 13:45:16,277 INFO L204 MainTranslator]: Completed translation [2025-03-16 13:45:16,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16 WrapperNode [2025-03-16 13:45:16,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 13:45:16,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 13:45:16,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 13:45:16,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 13:45:16,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,300 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2025-03-16 13:45:16,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 13:45:16,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 13:45:16,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 13:45:16,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 13:45:16,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,323 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]. [2025-03-16 13:45:16,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 13:45:16,336 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 13:45:16,336 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 13:45:16,336 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 13:45:16,337 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (1/1) ... [2025-03-16 13:45:16,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 13:45:16,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 13:45:16,361 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) [2025-03-16 13:45:16,364 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 [2025-03-16 13:45:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 13:45:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-16 13:45:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 13:45:16,431 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 13:45:16,432 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 13:45:16,525 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset; [2025-03-16 13:45:16,532 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-03-16 13:45:16,533 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 13:45:16,539 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 13:45:16,539 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 13:45:16,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 01:45:16 BoogieIcfgContainer [2025-03-16 13:45:16,539 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 13:45:16,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 13:45:16,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 13:45:16,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 13:45:16,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 01:45:16" (1/3) ... [2025-03-16 13:45:16,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe9709c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 01:45:16, skipping insertion in model container [2025-03-16 13:45:16,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 01:45:16" (2/3) ... [2025-03-16 13:45:16,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe9709c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 01:45:16, skipping insertion in model container [2025-03-16 13:45:16,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 01:45:16" (3/3) ... [2025-03-16 13:45:16,546 INFO L128 eAbstractionObserver]: Analyzing ICFG init-3-u.c [2025-03-16 13:45:16,555 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 13:45:16,556 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG init-3-u.c that has 1 procedures, 14 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-03-16 13:45:16,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 13:45:16,594 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;@1c9147e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 13:45:16,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 13:45:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 13 states have internal predecessors, (20), 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) [2025-03-16 13:45:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 13:45:16,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 13:45:16,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-16 13:45:16,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 13:45:16,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 13:45:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1568770288, now seen corresponding path program 1 times [2025-03-16 13:45:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 13:45:16,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357716165] [2025-03-16 13:45:16,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 13:45:16,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 13:45:16,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 13:45:16,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 13:45:16,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 13:45:16,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:16,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 13:45:16,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357716165] [2025-03-16 13:45:16,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357716165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 13:45:16,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 13:45:16,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 13:45:16,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427778321] [2025-03-16 13:45:16,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 13:45:16,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 13:45:16,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 13:45:16,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 13:45:16,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 13:45:16,772 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 13 states have internal predecessors, (20), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-16 13:45:16,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 13:45:16,819 INFO L93 Difference]: Finished difference Result 27 states and 39 transitions. [2025-03-16 13:45:16,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 13:45:16,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2025-03-16 13:45:16,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 13:45:16,826 INFO L225 Difference]: With dead ends: 27 [2025-03-16 13:45:16,826 INFO L226 Difference]: Without dead ends: 14 [2025-03-16 13:45:16,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 13:45:16,831 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 13:45:16,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 19 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 13:45:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-03-16 13:45:16,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2025-03-16 13:45:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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) [2025-03-16 13:45:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2025-03-16 13:45:16,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 17 transitions. Word has length 7 [2025-03-16 13:45:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 13:45:16,851 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 17 transitions. [2025-03-16 13:45:16,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2025-03-16 13:45:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2025-03-16 13:45:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-16 13:45:16,852 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 13:45:16,853 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 13:45:16,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 13:45:16,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 13:45:16,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 13:45:16,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1903596460, now seen corresponding path program 1 times [2025-03-16 13:45:16,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 13:45:16,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035281833] [2025-03-16 13:45:16,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 13:45:16,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 13:45:16,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-16 13:45:16,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-16 13:45:16,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 13:45:16,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:16,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 13:45:16,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035281833] [2025-03-16 13:45:16,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035281833] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 13:45:16,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 13:45:16,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 13:45:16,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584455043] [2025-03-16 13:45:16,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 13:45:16,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 13:45:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 13:45:16,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 13:45:16,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-16 13:45:16,938 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.25) 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) [2025-03-16 13:45:16,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 13:45:16,972 INFO L93 Difference]: Finished difference Result 30 states and 44 transitions. [2025-03-16 13:45:16,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 13:45:16,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) 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 [2025-03-16 13:45:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 13:45:16,973 INFO L225 Difference]: With dead ends: 30 [2025-03-16 13:45:16,973 INFO L226 Difference]: Without dead ends: 20 [2025-03-16 13:45:16,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-16 13:45:16,974 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 13:45:16,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 13:45:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-03-16 13:45:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2025-03-16 13:45:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2025-03-16 13:45:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2025-03-16 13:45:16,976 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 9 [2025-03-16 13:45:16,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 13:45:16,977 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. [2025-03-16 13:45:16,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) 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) [2025-03-16 13:45:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2025-03-16 13:45:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-16 13:45:16,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 13:45:16,978 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 13:45:16,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 13:45:16,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 13:45:16,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 13:45:16,978 INFO L85 PathProgramCache]: Analyzing trace with hash -402407506, now seen corresponding path program 1 times [2025-03-16 13:45:16,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 13:45:16,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382369057] [2025-03-16 13:45:16,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 13:45:16,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 13:45:16,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-16 13:45:16,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-16 13:45:16,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 13:45:16,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:17,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 13:45:17,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382369057] [2025-03-16 13:45:17,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382369057] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 13:45:17,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 13:45:17,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 13:45:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068822607] [2025-03-16 13:45:17,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 13:45:17,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 13:45:17,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 13:45:17,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 13:45:17,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-16 13:45:17,040 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-16 13:45:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 13:45:17,075 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2025-03-16 13:45:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 13:45:17,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2025-03-16 13:45:17,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 13:45:17,076 INFO L225 Difference]: With dead ends: 32 [2025-03-16 13:45:17,076 INFO L226 Difference]: Without dead ends: 20 [2025-03-16 13:45:17,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-16 13:45:17,077 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 23 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 7 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 [2025-03-16 13:45:17,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 7 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 13:45:17,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-03-16 13:45:17,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2025-03-16 13:45:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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) [2025-03-16 13:45:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2025-03-16 13:45:17,082 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 11 [2025-03-16 13:45:17,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 13:45:17,083 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2025-03-16 13:45:17,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-16 13:45:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2025-03-16 13:45:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-16 13:45:17,083 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 13:45:17,083 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 13:45:17,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 13:45:17,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 13:45:17,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 13:45:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1262713179, now seen corresponding path program 1 times [2025-03-16 13:45:17,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 13:45:17,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575307833] [2025-03-16 13:45:17,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 13:45:17,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 13:45:17,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-16 13:45:17,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-16 13:45:17,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 13:45:17,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:17,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 13:45:17,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575307833] [2025-03-16 13:45:17,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575307833] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 13:45:17,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486099751] [2025-03-16 13:45:17,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 13:45:17,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 13:45:17,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 13:45:17,178 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) [2025-03-16 13:45:17,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 13:45:17,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-16 13:45:17,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-16 13:45:17,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 13:45:17,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:17,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-16 13:45:17,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 13:45:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:17,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-16 13:45:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:17,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486099751] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-16 13:45:17,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-16 13:45:17,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-16 13:45:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030276191] [2025-03-16 13:45:17,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-16 13:45:17,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-16 13:45:17,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 13:45:17,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-16 13:45:17,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-03-16 13:45:17,308 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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) [2025-03-16 13:45:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 13:45:17,398 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2025-03-16 13:45:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 13:45:17,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 [2025-03-16 13:45:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 13:45:17,399 INFO L225 Difference]: With dead ends: 48 [2025-03-16 13:45:17,399 INFO L226 Difference]: Without dead ends: 34 [2025-03-16 13:45:17,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2025-03-16 13:45:17,400 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 87 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 13:45:17,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 13 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 13:45:17,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-16 13:45:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2025-03-16 13:45:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 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) [2025-03-16 13:45:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2025-03-16 13:45:17,404 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 12 [2025-03-16 13:45:17,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 13:45:17,404 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2025-03-16 13:45:17,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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) [2025-03-16 13:45:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2025-03-16 13:45:17,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-16 13:45:17,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 13:45:17,405 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 13:45:17,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-16 13:45:17,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 13:45:17,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 13:45:17,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 13:45:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1761918226, now seen corresponding path program 2 times [2025-03-16 13:45:17,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 13:45:17,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177004352] [2025-03-16 13:45:17,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-16 13:45:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 13:45:17,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 2 equivalence classes. [2025-03-16 13:45:17,624 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-16 13:45:17,625 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-16 13:45:17,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-16 13:45:17,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 13:45:17,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177004352] [2025-03-16 13:45:17,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177004352] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 13:45:17,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117911089] [2025-03-16 13:45:17,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-16 13:45:17,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 13:45:17,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 13:45:17,691 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) [2025-03-16 13:45:17,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 13:45:17,727 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 2 equivalence classes. [2025-03-16 13:45:17,744 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-16 13:45:17,744 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-16 13:45:17,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:17,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-16 13:45:17,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 13:45:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:17,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-16 13:45:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 13:45:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117911089] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-16 13:45:17,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-16 13:45:17,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 15 [2025-03-16 13:45:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320346301] [2025-03-16 13:45:17,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-16 13:45:17,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-16 13:45:17,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 13:45:17,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-16 13:45:17,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2025-03-16 13:45:17,887 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 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) [2025-03-16 13:45:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 13:45:18,375 INFO L93 Difference]: Finished difference Result 231 states and 289 transitions. [2025-03-16 13:45:18,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-16 13:45:18,375 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 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 [2025-03-16 13:45:18,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 13:45:18,376 INFO L225 Difference]: With dead ends: 231 [2025-03-16 13:45:18,376 INFO L226 Difference]: Without dead ends: 205 [2025-03-16 13:45:18,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=629, Invalid=1093, Unknown=0, NotChecked=0, Total=1722 [2025-03-16 13:45:18,377 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 428 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 13:45:18,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 37 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 13:45:18,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-03-16 13:45:18,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 66. [2025-03-16 13:45:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 65 states have internal predecessors, (82), 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) [2025-03-16 13:45:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2025-03-16 13:45:18,396 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 15 [2025-03-16 13:45:18,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 13:45:18,397 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2025-03-16 13:45:18,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 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) [2025-03-16 13:45:18,397 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2025-03-16 13:45:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-16 13:45:18,398 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 13:45:18,398 INFO L218 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 13:45:18,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-16 13:45:18,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 13:45:18,599 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 13:45:18,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 13:45:18,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1711219700, now seen corresponding path program 3 times [2025-03-16 13:45:18,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 13:45:18,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226253995] [2025-03-16 13:45:18,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-16 13:45:18,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 13:45:18,612 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 15 equivalence classes. [2025-03-16 13:45:18,653 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 33 of 35 statements. [2025-03-16 13:45:18,654 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-03-16 13:45:18,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 126 proven. 55 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2025-03-16 13:45:18,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 13:45:18,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226253995] [2025-03-16 13:45:18,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226253995] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 13:45:18,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697436730] [2025-03-16 13:45:18,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-16 13:45:18,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 13:45:18,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 13:45:18,864 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) [2025-03-16 13:45:18,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-16 13:45:18,907 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 15 equivalence classes. [2025-03-16 13:45:19,132 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 31 of 35 statements. [2025-03-16 13:45:19,132 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-16 13:45:19,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 13:45:19,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 87 conjuncts are in the unsatisfiable core [2025-03-16 13:45:19,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 13:45:19,227 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 [2025-03-16 13:45:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,275 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 [2025-03-16 13:45:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:19,380 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 [2025-03-16 13:45:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:19,480 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 [2025-03-16 13:45:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:19,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:19,602 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 [2025-03-16 13:45:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:20,179 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 [2025-03-16 13:45:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:20,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:20,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 66 treesize of output 80 [2025-03-16 13:45:22,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:22,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:22,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 75 treesize of output 92 [2025-03-16 13:45:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:27,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-16 13:45:27,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 84 treesize of output 104 [2025-03-16 13:45:52,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:45:52,098 INFO L349 Elim1Store]: treesize reduction 160, result has 33.3 percent of original size [2025-03-16 13:45:52,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 93 treesize of output 116 [2025-03-16 13:46:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:20,931 INFO L349 Elim1Store]: treesize reduction 390, result has 18.6 percent of original size [2025-03-16 13:46:20,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 109 treesize of output 135 [2025-03-16 13:46:53,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-16 13:46:53,666 INFO L349 Elim1Store]: treesize reduction 565, result has 15.7 percent of original size [2025-03-16 13:46:53,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 125 treesize of output 154