./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-4-n-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 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 09:15:13,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 09:15:13,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 09:15:13,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 09:15:13,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 09:15:13,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 09:15:13,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 09:15:13,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 09:15:13,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 09:15:13,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 09:15:13,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 09:15:13,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 09:15:13,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 09:15:13,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 09:15:13,733 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 09:15:13,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 09:15:13,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 09:15:13,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 09:15:13,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 09:15:13,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 09:15:13,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 09:15:13,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 09:15:13,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 09:15:13,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 09:15:13,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 09:15:13,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 09:15:13,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 09:15:13,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 09:15:13,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 09:15:13,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 09:15:13,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 09:15:13,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 09:15:13,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:15:13,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 09:15:13,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 09:15:13,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 09:15:13,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 09:15:13,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 09:15:13,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 09:15:13,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 09:15:13,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 09:15:13,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 09:15:13,745 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2024-11-18 09:15:13,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 09:15:14,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 09:15:14,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 09:15:14,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 09:15:14,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 09:15:14,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-18 09:15:15,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 09:15:15,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 09:15:15,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-18 09:15:15,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b0255ad/444b4fac81044539a9d9282f7feb2501/FLAGcfc598edf [2024-11-18 09:15:15,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b0255ad/444b4fac81044539a9d9282f7feb2501 [2024-11-18 09:15:15,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 09:15:15,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 09:15:15,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 09:15:15,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 09:15:15,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 09:15:15,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f05c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15, skipping insertion in model container [2024-11-18 09:15:15,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 09:15:15,866 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-4-n-u.c[322,335] [2024-11-18 09:15:15,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:15:15,892 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 09:15:15,902 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-4-n-u.c[322,335] [2024-11-18 09:15:15,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:15:15,928 INFO L204 MainTranslator]: Completed translation [2024-11-18 09:15:15,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15 WrapperNode [2024-11-18 09:15:15,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 09:15:15,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 09:15:15,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 09:15:15,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 09:15:15,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,968 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-11-18 09:15:15,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 09:15:15,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 09:15:15,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 09:15:15,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 09:15:15,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,994 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-18 09:15:15,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:15,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:16,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:16,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:16,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:16,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 09:15:16,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 09:15:16,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 09:15:16,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 09:15:16,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (1/1) ... [2024-11-18 09:15:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:15:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:15:16,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 09:15:16,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 09:15:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 09:15:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 09:15:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 09:15:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 09:15:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 09:15:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 09:15:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 09:15:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 09:15:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 09:15:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 09:15:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 09:15:16,152 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 09:15:16,154 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 09:15:16,372 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-18 09:15:16,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 09:15:16,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 09:15:16,389 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-18 09:15:16,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:15:16 BoogieIcfgContainer [2024-11-18 09:15:16,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 09:15:16,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 09:15:16,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 09:15:16,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 09:15:16,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:15:15" (1/3) ... [2024-11-18 09:15:16,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f6b633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:15:16, skipping insertion in model container [2024-11-18 09:15:16,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:15" (2/3) ... [2024-11-18 09:15:16,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f6b633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:15:16, skipping insertion in model container [2024-11-18 09:15:16,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:15:16" (3/3) ... [2024-11-18 09:15:16,400 INFO L112 eAbstractionObserver]: Analyzing ICFG init-4-n-u.c [2024-11-18 09:15:16,417 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 09:15:16,418 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 09:15:16,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 09:15:16,486 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;@4d777f79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 09:15:16,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 09:15:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-18 09:15:16,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:16,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:16,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:16,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:16,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1868122297, now seen corresponding path program 1 times [2024-11-18 09:15:16,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:16,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875305511] [2024-11-18 09:15:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:16,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:16,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:16,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:16,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875305511] [2024-11-18 09:15:16,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875305511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:15:16,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:15:16,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:15:16,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105836529] [2024-11-18 09:15:16,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:15:16,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 09:15:16,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:16,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 09:15:16,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 09:15:16,723 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:16,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:16,737 INFO L93 Difference]: Finished difference Result 48 states and 80 transitions. [2024-11-18 09:15:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 09:15:16,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-11-18 09:15:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:16,744 INFO L225 Difference]: With dead ends: 48 [2024-11-18 09:15:16,744 INFO L226 Difference]: Without dead ends: 21 [2024-11-18 09:15:16,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 09:15:16,749 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:16,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:15:16,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-18 09:15:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-18 09:15:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2024-11-18 09:15:16,776 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 28 transitions. Word has length 10 [2024-11-18 09:15:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:16,776 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-11-18 09:15:16,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-18 09:15:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-18 09:15:16,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:16,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:16,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 09:15:16,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:16,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:16,779 INFO L85 PathProgramCache]: Analyzing trace with hash -58278076, now seen corresponding path program 1 times [2024-11-18 09:15:16,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:16,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748635655] [2024-11-18 09:15:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:16,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:16,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:16,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748635655] [2024-11-18 09:15:16,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748635655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:15:16,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:15:16,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 09:15:16,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375899329] [2024-11-18 09:15:16,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:15:16,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 09:15:16,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:16,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 09:15:16,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:15:16,931 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:16,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:16,988 INFO L93 Difference]: Finished difference Result 40 states and 54 transitions. [2024-11-18 09:15:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 09:15:17,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-18 09:15:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:17,007 INFO L225 Difference]: With dead ends: 40 [2024-11-18 09:15:17,007 INFO L226 Difference]: Without dead ends: 28 [2024-11-18 09:15:17,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 09:15:17,009 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:17,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:15:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-18 09:15:17,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2024-11-18 09:15:17,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2024-11-18 09:15:17,020 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 29 transitions. Word has length 10 [2024-11-18 09:15:17,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:17,021 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-11-18 09:15:17,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-18 09:15:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-18 09:15:17,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:17,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:17,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 09:15:17,024 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:17,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1196059767, now seen corresponding path program 1 times [2024-11-18 09:15:17,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:17,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299697826] [2024-11-18 09:15:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:17,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:17,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299697826] [2024-11-18 09:15:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299697826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:15:17,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:15:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:15:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217602139] [2024-11-18 09:15:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:15:17,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:15:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:15:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:15:17,184 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:17,243 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2024-11-18 09:15:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:15:17,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-18 09:15:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:17,244 INFO L225 Difference]: With dead ends: 55 [2024-11-18 09:15:17,244 INFO L226 Difference]: Without dead ends: 36 [2024-11-18 09:15:17,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:15:17,246 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 42 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:17,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 38 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:15:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-18 09:15:17,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2024-11-18 09:15:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2024-11-18 09:15:17,259 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 13 [2024-11-18 09:15:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:17,259 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2024-11-18 09:15:17,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-18 09:15:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-18 09:15:17,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:17,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:17,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 09:15:17,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:17,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:17,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1301954304, now seen corresponding path program 1 times [2024-11-18 09:15:17,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:17,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527556079] [2024-11-18 09:15:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:17,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:17,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527556079] [2024-11-18 09:15:17,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527556079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:15:17,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:15:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:15:17,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434801746] [2024-11-18 09:15:17,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:15:17,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:15:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:17,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:15:17,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:15:17,388 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:17,432 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2024-11-18 09:15:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:15:17,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-18 09:15:17,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:17,437 INFO L225 Difference]: With dead ends: 55 [2024-11-18 09:15:17,437 INFO L226 Difference]: Without dead ends: 34 [2024-11-18 09:15:17,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:15:17,439 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 46 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:17,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 37 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:15:17,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-18 09:15:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2024-11-18 09:15:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2024-11-18 09:15:17,448 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 16 [2024-11-18 09:15:17,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:17,449 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2024-11-18 09:15:17,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-18 09:15:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-18 09:15:17,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:17,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:17,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 09:15:17,450 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:17,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:17,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1938337909, now seen corresponding path program 1 times [2024-11-18 09:15:17,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:17,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426752261] [2024-11-18 09:15:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:17,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:17,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426752261] [2024-11-18 09:15:17,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426752261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:15:17,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:15:17,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:15:17,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700414994] [2024-11-18 09:15:17,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:15:17,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:15:17,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:15:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:15:17,556 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2024-11-18 09:15:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:17,594 INFO L93 Difference]: Finished difference Result 55 states and 71 transitions. [2024-11-18 09:15:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:15:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) Word has length 19 [2024-11-18 09:15:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:17,595 INFO L225 Difference]: With dead ends: 55 [2024-11-18 09:15:17,596 INFO L226 Difference]: Without dead ends: 32 [2024-11-18 09:15:17,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:15:17,598 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:17,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 44 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:15:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-18 09:15:17,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-11-18 09:15:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-18 09:15:17,609 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 19 [2024-11-18 09:15:17,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:17,610 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-18 09:15:17,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2024-11-18 09:15:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-18 09:15:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-18 09:15:17,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:17,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:17,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 09:15:17,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:17,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:17,613 INFO L85 PathProgramCache]: Analyzing trace with hash 582253679, now seen corresponding path program 1 times [2024-11-18 09:15:17,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:17,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599172574] [2024-11-18 09:15:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:17,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:17,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:17,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599172574] [2024-11-18 09:15:17,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599172574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:15:17,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609599960] [2024-11-18 09:15:17,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:15:17,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:15:17,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:15:17,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 09:15:17,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 09:15:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:15:17,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 09:15:17,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:15:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:17,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:15:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:17,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609599960] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:15:17,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:15:17,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-18 09:15:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588363152] [2024-11-18 09:15:17,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:15:17,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-18 09:15:17,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:17,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-18 09:15:17,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-18 09:15:17,910 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:17,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:18,000 INFO L93 Difference]: Finished difference Result 71 states and 91 transitions. [2024-11-18 09:15:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 09:15:18,001 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 20 [2024-11-18 09:15:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:18,001 INFO L225 Difference]: With dead ends: 71 [2024-11-18 09:15:18,002 INFO L226 Difference]: Without dead ends: 46 [2024-11-18 09:15:18,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-18 09:15:18,003 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 74 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:18,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 71 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:15:18,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-18 09:15:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2024-11-18 09:15:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2024-11-18 09:15:18,019 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 20 [2024-11-18 09:15:18,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:18,019 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2024-11-18 09:15:18,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2024-11-18 09:15:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-18 09:15:18,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:18,020 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:18,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 09:15:18,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-18 09:15:18,221 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:18,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -926062453, now seen corresponding path program 2 times [2024-11-18 09:15:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:18,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923326967] [2024-11-18 09:15:18,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 09:15:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:18,245 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 09:15:18,245 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:15:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-18 09:15:18,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:18,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923326967] [2024-11-18 09:15:18,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923326967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:15:18,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942194799] [2024-11-18 09:15:18,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 09:15:18,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:15:18,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:15:18,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 09:15:18,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 09:15:18,400 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 09:15:18,401 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:15:18,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 09:15:18,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:15:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:18,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 09:15:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:15:18,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942194799] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 09:15:18,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 09:15:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 16 [2024-11-18 09:15:18,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080510859] [2024-11-18 09:15:18,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 09:15:18,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-18 09:15:18,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:15:18,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-18 09:15:18,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-18 09:15:18,623 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:15:19,218 INFO L93 Difference]: Finished difference Result 156 states and 204 transitions. [2024-11-18 09:15:19,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-18 09:15:19,219 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 23 [2024-11-18 09:15:19,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:15:19,220 INFO L225 Difference]: With dead ends: 156 [2024-11-18 09:15:19,220 INFO L226 Difference]: Without dead ends: 119 [2024-11-18 09:15:19,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-18 09:15:19,222 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 176 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:15:19,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 117 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:15:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-18 09:15:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 83. [2024-11-18 09:15:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 82 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2024-11-18 09:15:19,244 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 23 [2024-11-18 09:15:19,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:15:19,245 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2024-11-18 09:15:19,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 09:15:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-11-18 09:15:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-18 09:15:19,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:15:19,247 INFO L215 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:15:19,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 09:15:19,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-18 09:15:19,448 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:15:19,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:15:19,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1519672348, now seen corresponding path program 3 times [2024-11-18 09:15:19,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:15:19,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905917734] [2024-11-18 09:15:19,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 09:15:19,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:15:19,516 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-18 09:15:19,517 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:15:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 11 proven. 176 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-18 09:15:19,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:15:19,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905917734] [2024-11-18 09:15:19,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905917734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 09:15:19,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017097623] [2024-11-18 09:15:19,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 09:15:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:15:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:15:19,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 09:15:19,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 09:15:20,130 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-18 09:15:20,130 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 09:15:20,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-18 09:15:20,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 09:15:20,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-18 09:15:20,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-18 09:15:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:20,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-18 09:15:20,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:20,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:20,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-18 09:15:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:25,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:25,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2024-11-18 09:15:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:29,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:29,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 68 [2024-11-18 09:15:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:30,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:30,765 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 [2024-11-18 09:15:35,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:35,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:35,319 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 [2024-11-18 09:15:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:15:45,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 09:15:45,833 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 [2024-11-18 09:16:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:16,028 INFO L349 Elim1Store]: treesize reduction 160, result has 33.3 percent of original size [2024-11-18 09:16:16,029 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 [2024-11-18 09:16:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-18 09:16:43,763 INFO L349 Elim1Store]: treesize reduction 450, result has 16.5 percent of original size [2024-11-18 09:16:43,763 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 112 treesize of output 138