./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:13:03,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:13:03,448 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-10 22:13:03,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:13:03,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:13:03,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:13:03,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:13:03,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:13:03,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:13:03,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:13:03,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:13:03,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:13:03,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:13:03,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:13:03,497 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:13:03,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:13:03,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:13:03,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-10 22:13:03,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-10 22:13:03,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-10 22:13:03,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:13:03,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:13:03,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:13:03,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:13:03,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:13:03,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-10 22:13:03,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:13:03,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:13:03,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:13:03,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:13:03,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:13:03,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:13:03,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:13:03,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:13:03,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:13:03,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:13:03,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-10 22:13:03,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-10 22:13:03,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:13:03,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:13:03,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:13:03,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:13:03,507 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2024-10-10 22:13:03,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:13:03,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:13:03,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:13:03,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:13:03,778 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:13:03,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c [2024-10-10 22:13:05,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:13:05,340 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:13:05,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c [2024-10-10 22:13:05,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/75bcc9039/5c1e0ba1ba3e4c6cbe804cf8588caf07/FLAG68879f1b6 [2024-10-10 22:13:05,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/75bcc9039/5c1e0ba1ba3e4c6cbe804cf8588caf07 [2024-10-10 22:13:05,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:13:05,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:13:05,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:13:05,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:13:05,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:13:05,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ba9765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:05, skipping insertion in model container [2024-10-10 22:13:05,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:13:05" (1/1) ... [2024-10-10 22:13:05,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:13:05,956 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-10-10 22:13:05,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:13:05,991 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:13:06,004 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c[1285,1298] [2024-10-10 22:13:06,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:13:06,040 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:13:06,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06 WrapperNode [2024-10-10 22:13:06,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:13:06,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:13:06,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:13:06,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:13:06,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,078 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2024-10-10 22:13:06,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:13:06,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:13:06,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:13:06,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:13:06,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,118 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-10-10 22:13:06,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:13:06,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:13:06,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:13:06,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:13:06,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (1/1) ... [2024-10-10 22:13:06,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:13:06,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:06,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:13:06,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:13:06,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-10 22:13:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-10 22:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-10 22:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-10 22:13:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-10 22:13:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-10 22:13:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-10 22:13:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:13:06,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:13:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-10 22:13:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-10 22:13:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-10 22:13:06,310 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:13:06,311 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:13:06,493 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-10 22:13:06,493 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:13:06,528 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:13:06,528 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-10 22:13:06,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:13:06 BoogieIcfgContainer [2024-10-10 22:13:06,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:13:06,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:13:06,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:13:06,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:13:06,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:13:05" (1/3) ... [2024-10-10 22:13:06,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671ef545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:13:06, skipping insertion in model container [2024-10-10 22:13:06,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:13:06" (2/3) ... [2024-10-10 22:13:06,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671ef545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:13:06, skipping insertion in model container [2024-10-10 22:13:06,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:13:06" (3/3) ... [2024-10-10 22:13:06,538 INFO L112 eAbstractionObserver]: Analyzing ICFG array14_pattern.c [2024-10-10 22:13:06,551 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:13:06,551 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-10 22:13:06,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:13:06,621 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;@1b14ae90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:13:06,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-10 22:13:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-10 22:13:06,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:06,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:06,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:06,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1194769137, now seen corresponding path program 1 times [2024-10-10 22:13:06,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:06,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682377837] [2024-10-10 22:13:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:06,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:13:06,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:06,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682377837] [2024-10-10 22:13:06,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682377837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:06,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:13:06,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:13:06,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742950188] [2024-10-10 22:13:06,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:06,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-10 22:13:06,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:06,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-10 22:13:06,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-10 22:13:06,804 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-10 22:13:06,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:06,831 INFO L93 Difference]: Finished difference Result 50 states and 82 transitions. [2024-10-10 22:13:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-10 22:13:06,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-10-10 22:13:06,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:06,840 INFO L225 Difference]: With dead ends: 50 [2024-10-10 22:13:06,840 INFO L226 Difference]: Without dead ends: 24 [2024-10-10 22:13:06,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-10 22:13:06,847 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:06,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:13:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-10 22:13:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-10-10 22:13:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2024-10-10 22:13:06,878 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 14 [2024-10-10 22:13:06,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:06,878 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2024-10-10 22:13:06,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-10 22:13:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-10-10 22:13:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-10 22:13:06,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:06,880 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:06,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-10 22:13:06,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:06,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:06,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1986080322, now seen corresponding path program 1 times [2024-10-10 22:13:06,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:06,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856496785] [2024-10-10 22:13:06,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-10 22:13:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-10 22:13:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-10 22:13:07,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856496785] [2024-10-10 22:13:07,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856496785] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-10 22:13:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429867695] [2024-10-10 22:13:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:07,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-10 22:13:07,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-10 22:13:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:07,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-10 22:13:07,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:13:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-10 22:13:07,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-10 22:13:07,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429867695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:07,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-10 22:13:07,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-10-10 22:13:07,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713939155] [2024-10-10 22:13:07,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:07,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-10 22:13:07,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:07,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-10 22:13:07,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-10 22:13:07,711 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:07,805 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2024-10-10 22:13:07,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-10 22:13:07,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-10-10 22:13:07,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:07,807 INFO L225 Difference]: With dead ends: 58 [2024-10-10 22:13:07,807 INFO L226 Difference]: Without dead ends: 34 [2024-10-10 22:13:07,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-10 22:13:07,809 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:07,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 70 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-10 22:13:07,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-10 22:13:07,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 25. [2024-10-10 22:13:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2024-10-10 22:13:07,815 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 27 [2024-10-10 22:13:07,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:07,818 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-10-10 22:13:07,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-10-10 22:13:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-10 22:13:07,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:07,820 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:07,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-10 22:13:08,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:08,021 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:08,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:08,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1773992144, now seen corresponding path program 1 times [2024-10-10 22:13:08,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:08,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990459541] [2024-10-10 22:13:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-10 22:13:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-10 22:13:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-10 22:13:08,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:08,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990459541] [2024-10-10 22:13:08,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990459541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:13:08,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:13:08,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-10 22:13:08,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764208487] [2024-10-10 22:13:08,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:13:08,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-10 22:13:08,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-10 22:13:08,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-10 22:13:08,119 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:08,157 INFO L93 Difference]: Finished difference Result 53 states and 71 transitions. [2024-10-10 22:13:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-10 22:13:08,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-10-10 22:13:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:08,160 INFO L225 Difference]: With dead ends: 53 [2024-10-10 22:13:08,160 INFO L226 Difference]: Without dead ends: 32 [2024-10-10 22:13:08,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-10 22:13:08,162 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:08,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 43 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:13:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-10 22:13:08,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-10-10 22:13:08,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:08,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-10-10 22:13:08,172 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 30 [2024-10-10 22:13:08,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:08,172 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-10 22:13:08,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-10 22:13:08,172 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-10-10 22:13:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-10 22:13:08,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:08,174 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:08,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-10 22:13:08,175 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:08,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:08,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1669495599, now seen corresponding path program 1 times [2024-10-10 22:13:08,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:08,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701512881] [2024-10-10 22:13:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:08,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-10 22:13:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-10 22:13:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-10 22:13:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-10 22:13:08,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:13:08,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701512881] [2024-10-10 22:13:08,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701512881] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-10 22:13:08,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270363895] [2024-10-10 22:13:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:08,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:08,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:08,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-10 22:13:08,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-10 22:13:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-10 22:13:08,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:13:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-10 22:13:08,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-10 22:13:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-10 22:13:08,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270363895] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-10 22:13:08,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-10 22:13:08,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-10 22:13:08,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062811119] [2024-10-10 22:13:08,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-10 22:13:08,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-10 22:13:08,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:13:08,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-10 22:13:08,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-10 22:13:08,501 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-10 22:13:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:13:08,613 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2024-10-10 22:13:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-10 22:13:08,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2024-10-10 22:13:08,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:13:08,615 INFO L225 Difference]: With dead ends: 40 [2024-10-10 22:13:08,615 INFO L226 Difference]: Without dead ends: 36 [2024-10-10 22:13:08,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-10 22:13:08,616 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-10 22:13:08,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 58 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-10 22:13:08,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-10 22:13:08,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2024-10-10 22:13:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-10 22:13:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-10-10 22:13:08,624 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 31 [2024-10-10 22:13:08,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:13:08,624 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-10-10 22:13:08,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-10 22:13:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-10-10 22:13:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-10 22:13:08,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:13:08,626 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-10 22:13:08,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-10 22:13:08,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:08,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-10 22:13:08,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:13:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1207156056, now seen corresponding path program 1 times [2024-10-10 22:13:08,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:13:08,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033419351] [2024-10-10 22:13:08,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:13:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-10 22:13:08,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798367771] [2024-10-10 22:13:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:13:08,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-10 22:13:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:13:08,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-10 22:13:08,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-10 22:13:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:13:08,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-10 22:13:08,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:13:09,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-10 22:13:09,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 131 [2024-10-10 22:13:09,921 INFO L349 Elim1Store]: treesize reduction 116, result has 24.2 percent of original size [2024-10-10 22:13:09,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 575 [2024-10-10 22:13:10,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:10,948 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:10,958 INFO L349 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2024-10-10 22:13:10,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 170 [2024-10-10 22:13:11,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:11,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:13:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:12,055 INFO L349 Elim1Store]: treesize reduction 212, result has 18.5 percent of original size [2024-10-10 22:13:12,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 316 treesize of output 757 [2024-10-10 22:13:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:20,647 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 134 DAG size of output: 29 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-10 22:13:20,648 INFO L349 Elim1Store]: treesize reduction 616, result has 7.8 percent of original size [2024-10-10 22:13:20,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 9 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 12 new quantified variables, introduced 18 case distinctions, treesize of input 708 treesize of output 4365 [2024-10-10 22:13:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:42,770 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~ARR_SIZE~0 0) [2024-10-10 22:13:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:42,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:45,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:13:59,427 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (* ~ARR_SIZE~0 4)) (.cse0 (* v_z_21 4))) (= (select v_arrayElimArr_17 (+ .cse0 (* .cse1 (+ v_z_4 (- 4294967296))))) (select v_arrayElimArr_17 (+ (* .cse1 v_z_4) (- 17179869184) .cse0)))) [2024-10-10 22:14:03,570 INFO L224 Elim1Store]: Index analysis took 24896 ms [2024-10-10 22:14:03,572 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:03,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:03,576 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:03,577 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:03,579 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:03,581 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:03,846 INFO L349 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2024-10-10 22:14:03,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 513 treesize of output 1704 [2024-10-10 22:14:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:15,836 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_17 (+ (* v_z_21 4) (* (* ~ARR_SIZE~0 4) (+ v_z_4 (- 4294967296))))) 1) [2024-10-10 22:14:24,988 INFO L224 Elim1Store]: Index analysis took 14368 ms [2024-10-10 22:14:25,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:25,433 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:25,521 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:25,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:25,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-10 22:14:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-10 22:14:26,158 INFO L349 Elim1Store]: treesize reduction 485, result has 0.2 percent of original size [2024-10-10 22:14:26,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 4 select indices, 4 select index equivalence classes, 19 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 442 treesize of output 1152