./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/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-13 22:25:44,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 22:25:44,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 22:25:44,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 22:25:44,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 22:25:44,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 22:25:44,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 22:25:44,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 22:25:44,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 22:25:44,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 22:25:44,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 22:25:44,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 22:25:44,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 22:25:44,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 22:25:44,938 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 22:25:44,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 22:25:44,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 22:25:44,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 22:25:44,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 22:25:44,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 22:25:44,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 22:25:44,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 22:25:44,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 22:25:44,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 22:25:44,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 22:25:44,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 22:25:44,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 22:25:44,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 22:25:44,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 22:25:44,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 22:25:44,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 22:25:44,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 22:25:44,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 22:25:44,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 22:25:44,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 22:25:44,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 22:25:44,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 22:25:44,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 22:25:44,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 22:25:44,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 22:25:44,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 22:25:44,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 22:25:44,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2024-10-13 22:25:45,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 22:25:45,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 22:25:45,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 22:25:45,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 22:25:45,168 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 22:25:45,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.c [2024-10-13 22:25:46,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 22:25:46,515 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 22:25:46,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.c [2024-10-13 22:25:46,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c89430b/da46d7044ffc45f494fa8cfd4087e7af/FLAG5256004eb [2024-10-13 22:25:46,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c89430b/da46d7044ffc45f494fa8cfd4087e7af [2024-10-13 22:25:46,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 22:25:46,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 22:25:46,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 22:25:46,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 22:25:46,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 22:25:46,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:25:46" (1/1) ... [2024-10-13 22:25:46,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238fa4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:46, skipping insertion in model container [2024-10-13 22:25:46,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:25:46" (1/1) ... [2024-10-13 22:25:46,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 22:25:47,074 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/array7_pattern.c[1375,1388] [2024-10-13 22:25:47,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 22:25:47,096 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 22:25:47,106 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/array7_pattern.c[1375,1388] [2024-10-13 22:25:47,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 22:25:47,141 INFO L204 MainTranslator]: Completed translation [2024-10-13 22:25:47,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47 WrapperNode [2024-10-13 22:25:47,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 22:25:47,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 22:25:47,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 22:25:47,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 22:25:47,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,184 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-10-13 22:25:47,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 22:25:47,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 22:25:47,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 22:25:47,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 22:25:47,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,222 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2024-10-13 22:25:47,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 22:25:47,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 22:25:47,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 22:25:47,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 22:25:47,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (1/1) ... [2024-10-13 22:25:47,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 22:25:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 22:25:47,268 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) [2024-10-13 22:25:47,271 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 [2024-10-13 22:25:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 22:25:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 22:25:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 22:25:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 22:25:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 22:25:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 22:25:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 22:25:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 22:25:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 22:25:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 22:25:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 22:25:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 22:25:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 22:25:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 22:25:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 22:25:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 22:25:47,372 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 22:25:47,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 22:25:47,508 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-13 22:25:47,508 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 22:25:47,530 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 22:25:47,531 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 22:25:47,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:25:47 BoogieIcfgContainer [2024-10-13 22:25:47,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 22:25:47,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 22:25:47,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 22:25:47,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 22:25:47,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:25:46" (1/3) ... [2024-10-13 22:25:47,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc19e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:25:47, skipping insertion in model container [2024-10-13 22:25:47,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:25:47" (2/3) ... [2024-10-13 22:25:47,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc19e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:25:47, skipping insertion in model container [2024-10-13 22:25:47,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:25:47" (3/3) ... [2024-10-13 22:25:47,539 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2024-10-13 22:25:47,553 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 22:25:47,553 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 22:25:47,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 22:25:47,616 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;@2dbc2507, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 22:25:47,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 22:25:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 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) [2024-10-13 22:25:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 22:25:47,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:25:47,639 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 22:25:47,640 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 22:25:47,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:25:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash -7457711, now seen corresponding path program 1 times [2024-10-13 22:25:47,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:25:47,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42631539] [2024-10-13 22:25:47,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:47,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:25:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 22:25:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 22:25:47,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 22:25:47,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42631539] [2024-10-13 22:25:47,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42631539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 22:25:47,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 22:25:47,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 22:25:47,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011222420] [2024-10-13 22:25:47,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 22:25:47,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 22:25:47,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 22:25:47,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 22:25:47,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 22:25:47,815 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 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) 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) [2024-10-13 22:25:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:25:47,839 INFO L93 Difference]: Finished difference Result 40 states and 62 transitions. [2024-10-13 22:25:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 22:25:47,841 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 [2024-10-13 22:25:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:25:47,845 INFO L225 Difference]: With dead ends: 40 [2024-10-13 22:25:47,846 INFO L226 Difference]: Without dead ends: 19 [2024-10-13 22:25:47,848 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 [2024-10-13 22:25:47,850 INFO L432 NwaCegarLoop]: 21 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, 21 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 [2024-10-13 22:25:47,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 22:25:47,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-13 22:25:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-13 22:25:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-10-13 22:25:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-10-13 22:25:47,878 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 14 [2024-10-13 22:25:47,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:25:47,878 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-13 22:25:47,878 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) [2024-10-13 22:25:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-10-13 22:25:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 22:25:47,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:25:47,880 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] [2024-10-13 22:25:47,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 22:25:47,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 22:25:47,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:25:47,881 INFO L85 PathProgramCache]: Analyzing trace with hash -856934570, now seen corresponding path program 1 times [2024-10-13 22:25:47,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:25:47,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628719368] [2024-10-13 22:25:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:25:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 22:25:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 22:25:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 22:25:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 22:25:48,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 22:25:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628719368] [2024-10-13 22:25:48,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628719368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 22:25:48,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 22:25:48,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 22:25:48,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857043621] [2024-10-13 22:25:48,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 22:25:48,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 22:25:48,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 22:25:48,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 22:25:48,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 22:25:48,129 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-10-13 22:25:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:25:48,144 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-10-13 22:25:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 22:25:48,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 26 [2024-10-13 22:25:48,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:25:48,146 INFO L225 Difference]: With dead ends: 24 [2024-10-13 22:25:48,146 INFO L226 Difference]: Without dead ends: 20 [2024-10-13 22:25:48,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 22:25:48,148 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 22:25:48,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 22:25:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-13 22:25:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-13 22:25:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 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) [2024-10-13 22:25:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2024-10-13 22:25:48,155 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 26 [2024-10-13 22:25:48,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:25:48,156 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-10-13 22:25:48,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-10-13 22:25:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-10-13 22:25:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 22:25:48,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:25:48,158 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] [2024-10-13 22:25:48,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 22:25:48,158 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 22:25:48,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:25:48,159 INFO L85 PathProgramCache]: Analyzing trace with hash -765856431, now seen corresponding path program 1 times [2024-10-13 22:25:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:25:48,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046508847] [2024-10-13 22:25:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:48,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:25:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 22:25:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 22:25:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 22:25:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 22:25:48,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 22:25:48,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046508847] [2024-10-13 22:25:48,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046508847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 22:25:48,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 22:25:48,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 22:25:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571571263] [2024-10-13 22:25:48,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 22:25:48,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 22:25:48,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 22:25:48,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 22:25:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 22:25:48,308 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-10-13 22:25:48,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:25:48,355 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2024-10-13 22:25:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 22:25:48,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 27 [2024-10-13 22:25:48,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:25:48,357 INFO L225 Difference]: With dead ends: 37 [2024-10-13 22:25:48,357 INFO L226 Difference]: Without dead ends: 21 [2024-10-13 22:25:48,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 22:25:48,359 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 6 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 22:25:48,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 67 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 22:25:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-13 22:25:48,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-13 22:25:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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) [2024-10-13 22:25:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-10-13 22:25:48,366 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 27 [2024-10-13 22:25:48,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:25:48,367 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-13 22:25:48,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-10-13 22:25:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-10-13 22:25:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 22:25:48,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:25:48,368 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] [2024-10-13 22:25:48,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 22:25:48,368 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 22:25:48,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:25:48,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1693469014, now seen corresponding path program 1 times [2024-10-13 22:25:48,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:25:48,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438388918] [2024-10-13 22:25:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:48,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:25:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 22:25:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 22:25:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 22:25:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 22:25:48,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 22:25:48,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438388918] [2024-10-13 22:25:48,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438388918] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 22:25:48,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351163053] [2024-10-13 22:25:48,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:48,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 22:25:48,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 22:25:48,665 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) [2024-10-13 22:25:48,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 22:25:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:48,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 22:25:48,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 22:25:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 22:25:48,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 22:25:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 22:25:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351163053] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 22:25:49,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 22:25:49,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10] total 19 [2024-10-13 22:25:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677664414] [2024-10-13 22:25:49,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 22:25:49,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 22:25:49,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 22:25:49,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 22:25:49,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-10-13 22:25:49,134 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 19 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 16 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 22:25:49,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:25:49,269 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2024-10-13 22:25:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 22:25:49,270 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 16 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) Word has length 28 [2024-10-13 22:25:49,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:25:49,271 INFO L225 Difference]: With dead ends: 63 [2024-10-13 22:25:49,271 INFO L226 Difference]: Without dead ends: 33 [2024-10-13 22:25:49,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-10-13 22:25:49,272 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 22:25:49,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 22:25:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-13 22:25:49,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2024-10-13 22:25:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2024-10-13 22:25:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-10-13 22:25:49,280 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 28 [2024-10-13 22:25:49,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:25:49,281 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-10-13 22:25:49,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 16 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 22:25:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-10-13 22:25:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 22:25:49,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:25:49,282 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 22:25:49,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 22:25:49,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 22:25:49,483 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 22:25:49,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:25:49,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1532817290, now seen corresponding path program 2 times [2024-10-13 22:25:49,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:25:49,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364299536] [2024-10-13 22:25:49,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:49,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:25:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:49,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 22:25:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:49,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 22:25:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:49,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 22:25:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:25:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 22:25:49,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 22:25:49,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364299536] [2024-10-13 22:25:49,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364299536] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 22:25:49,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579405994] [2024-10-13 22:25:49,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 22:25:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 22:25:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 22:25:49,623 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) [2024-10-13 22:25:49,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 22:25:49,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 22:25:49,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 22:25:49,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 22:25:49,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 22:25:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 22:25:49,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 22:25:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 22:25:49,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579405994] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 22:25:49,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 22:25:49,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-10-13 22:25:49,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657545406] [2024-10-13 22:25:49,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 22:25:49,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 22:25:49,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 22:25:49,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 22:25:49,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-13 22:25:49,832 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-13 22:25:49,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:25:49,918 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2024-10-13 22:25:49,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 22:25:49,919 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 30 [2024-10-13 22:25:49,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:25:49,919 INFO L225 Difference]: With dead ends: 33 [2024-10-13 22:25:49,920 INFO L226 Difference]: Without dead ends: 29 [2024-10-13 22:25:49,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-13 22:25:49,920 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 8 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 22:25:49,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 127 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 22:25:49,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-13 22:25:49,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-13 22:25:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2024-10-13 22:25:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-10-13 22:25:49,927 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 30 [2024-10-13 22:25:49,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:25:49,928 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-10-13 22:25:49,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-13 22:25:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-10-13 22:25:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 22:25:49,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:25:49,929 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 22:25:49,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 22:25:50,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 22:25:50,130 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 22:25:50,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:25:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 801599978, now seen corresponding path program 3 times [2024-10-13 22:25:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:25:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82395763] [2024-10-13 22:25:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:25:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:25:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 22:25:50,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142209706] [2024-10-13 22:25:50,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 22:25:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 22:25:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 22:25:50,236 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) [2024-10-13 22:25:50,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 22:25:50,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-13 22:25:50,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 22:25:50,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-10-13 22:25:50,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 22:25:50,455 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 [2024-10-13 22:25:50,461 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 [2024-10-13 22:25:50,506 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 19 treesize of output 18 [2024-10-13 22:25:50,514 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 19 treesize of output 20 [2024-10-13 22:25:50,574 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 22:25:50,575 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 26 treesize of output 28 [2024-10-13 22:25:50,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 22:25:50,589 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 28 treesize of output 32 [2024-10-13 22:25:52,167 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-10-13 22:25:52,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 510 treesize of output 459 [2024-10-13 22:25:52,486 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-10-13 22:25:52,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 518 treesize of output 467 [2024-10-13 22:25:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:52,899 INFO L224 Elim1Store]: Index analysis took 154 ms [2024-10-13 22:25:52,937 INFO L349 Elim1Store]: treesize reduction 254, result has 0.4 percent of original size [2024-10-13 22:25:52,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 7 select indices, 7 select index equivalence classes, 30 disjoint index pairs (out of 21 index pairs), introduced 15 new quantified variables, introduced 12 case distinctions, treesize of input 427 treesize of output 1517 [2024-10-13 22:25:53,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:54,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:54,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:54,094 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:25:54,132 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:25:54,145 INFO L224 Elim1Store]: Index analysis took 189 ms [2024-10-13 22:25:54,426 INFO L349 Elim1Store]: treesize reduction 372, result has 0.3 percent of original size [2024-10-13 22:25:54,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 533 treesize of output 891 [2024-10-13 22:25:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:25:55,740 INFO L224 Elim1Store]: Index analysis took 161 ms [2024-10-13 22:25:55,830 INFO L349 Elim1Store]: treesize reduction 350, result has 0.3 percent of original size [2024-10-13 22:25:55,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 12 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 20 new quantified variables, introduced 16 case distinctions, treesize of input 995 treesize of output 3301 [2024-10-13 22:26:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:53,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:26:55,545 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:55,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:56,188 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:56,293 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:57,225 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:58,613 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:58,615 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:26:58,615 INFO L224 Elim1Store]: Index analysis took 5764 ms [2024-10-13 22:27:07,052 INFO L349 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2024-10-13 22:27:07,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 9 stores, 8 select indices, 8 select index equivalence classes, 35 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 468 treesize of output 1795 [2024-10-13 22:27:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,719 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 22:27:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:25,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:26,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:26,025 INFO L224 Elim1Store]: Index analysis took 351 ms [2024-10-13 22:27:26,781 INFO L349 Elim1Store]: treesize reduction 83, result has 29.7 percent of original size [2024-10-13 22:27:26,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 39 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 289 [2024-10-13 22:27:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 22:27:27,538 INFO L349 Elim1Store]: treesize reduction 91, result has 30.0 percent of original size [2024-10-13 22:27:27,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 120 treesize of output 142