/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-24.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 16:00:12,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 16:00:12,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 16:00:12,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 16:00:12,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 16:00:12,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 16:00:12,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 16:00:12,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 16:00:12,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 16:00:12,102 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 16:00:12,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 16:00:12,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 16:00:12,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 16:00:12,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 16:00:12,104 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 16:00:12,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 16:00:12,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 16:00:12,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 16:00:12,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 16:00:12,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 16:00:12,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 16:00:12,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 16:00:12,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 16:00:12,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 16:00:12,106 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 16:00:12,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 16:00:12,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 16:00:12,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 16:00:12,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 16:00:12,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 16:00:12,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 16:00:12,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 16:00:12,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:00:12,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 16:00:12,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 16:00:12,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 16:00:12,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 16:00:12,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 16:00:12,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 16:00:12,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 16:00:12,109 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 16:00:12,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 16:00:12,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 16:00:12,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 16:00:12,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 16:00:12,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 16:00:12,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 16:00:12,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 16:00:12,310 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 16:00:12,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-24.i [2023-12-19 16:00:13,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 16:00:13,446 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 16:00:13,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-24.i [2023-12-19 16:00:13,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c259cf4/c78d76f69675432aba5591a185390b3c/FLAGb804f7e44 [2023-12-19 16:00:13,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48c259cf4/c78d76f69675432aba5591a185390b3c [2023-12-19 16:00:13,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 16:00:13,466 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 16:00:13,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 16:00:13,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 16:00:13,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 16:00:13,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501f33fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13, skipping insertion in model container [2023-12-19 16:00:13,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 16:00:13,612 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-24.i[917,930] [2023-12-19 16:00:13,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:00:13,663 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 16:00:13,670 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-24.i[917,930] [2023-12-19 16:00:13,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:00:13,721 INFO L206 MainTranslator]: Completed translation [2023-12-19 16:00:13,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13 WrapperNode [2023-12-19 16:00:13,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 16:00:13,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 16:00:13,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 16:00:13,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 16:00:13,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,777 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 469 [2023-12-19 16:00:13,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 16:00:13,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 16:00:13,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 16:00:13,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 16:00:13,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,837 INFO L175 MemorySlicer]: Split 126 memory accesses to 2 slices as follows [2, 124]. 98 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 14]. The 17 writes are split as follows [0, 17]. [2023-12-19 16:00:13,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 16:00:13,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 16:00:13,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 16:00:13,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 16:00:13,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (1/1) ... [2023-12-19 16:00:13,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:00:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:00:13,897 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) [2023-12-19 16:00:13,928 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 [2023-12-19 16:00:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 16:00:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 16:00:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 16:00:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 16:00:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 16:00:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 16:00:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 16:00:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 16:00:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 16:00:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 16:00:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 16:00:14,080 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 16:00:14,081 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 16:00:14,332 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 16:00:14,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 16:00:14,355 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 16:00:14,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:00:14 BoogieIcfgContainer [2023-12-19 16:00:14,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 16:00:14,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 16:00:14,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 16:00:14,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 16:00:14,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:00:13" (1/3) ... [2023-12-19 16:00:14,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67eb4ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:00:14, skipping insertion in model container [2023-12-19 16:00:14,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:00:13" (2/3) ... [2023-12-19 16:00:14,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67eb4ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:00:14, skipping insertion in model container [2023-12-19 16:00:14,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:00:14" (3/3) ... [2023-12-19 16:00:14,361 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-24.i [2023-12-19 16:00:14,372 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 16:00:14,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 16:00:14,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 16:00:14,442 INFO L357 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, mHoare=true, 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;@723311e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 16:00:14,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 16:00:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:14,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:14,454 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:14,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:14,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:14,458 INFO L85 PathProgramCache]: Analyzing trace with hash -230866532, now seen corresponding path program 1 times [2023-12-19 16:00:14,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:14,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420298071] [2023-12-19 16:00:14,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:14,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:14,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420298071] [2023-12-19 16:00:14,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420298071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:14,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:14,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 16:00:14,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361552297] [2023-12-19 16:00:14,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:14,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 16:00:14,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:14,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 16:00:14,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 16:00:14,729 INFO L87 Difference]: Start difference. First operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:14,758 INFO L93 Difference]: Finished difference Result 185 states and 291 transitions. [2023-12-19 16:00:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 16:00:14,760 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2023-12-19 16:00:14,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:14,764 INFO L225 Difference]: With dead ends: 185 [2023-12-19 16:00:14,764 INFO L226 Difference]: Without dead ends: 92 [2023-12-19 16:00:14,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 16:00:14,769 INFO L413 NwaCegarLoop]: 130 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, 130 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 [2023-12-19 16:00:14,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:00:14,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-19 16:00:14,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-12-19 16:00:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:14,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-12-19 16:00:14,798 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2023-12-19 16:00:14,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:14,798 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-12-19 16:00:14,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:14,798 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-12-19 16:00:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:14,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:14,802 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:14,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 16:00:14,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:14,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:14,804 INFO L85 PathProgramCache]: Analyzing trace with hash -138391050, now seen corresponding path program 1 times [2023-12-19 16:00:14,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:14,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564080878] [2023-12-19 16:00:14,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:14,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:15,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:15,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564080878] [2023-12-19 16:00:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564080878] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:15,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:15,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 16:00:15,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027344261] [2023-12-19 16:00:15,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:15,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 16:00:15,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:15,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 16:00:15,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 16:00:15,072 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:15,119 INFO L93 Difference]: Finished difference Result 184 states and 269 transitions. [2023-12-19 16:00:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 16:00:15,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-19 16:00:15,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:15,122 INFO L225 Difference]: With dead ends: 184 [2023-12-19 16:00:15,122 INFO L226 Difference]: Without dead ends: 93 [2023-12-19 16:00:15,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 16:00:15,124 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:15,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:00:15,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-19 16:00:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-19 16:00:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-12-19 16:00:15,136 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 119 [2023-12-19 16:00:15,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:15,139 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-12-19 16:00:15,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-12-19 16:00:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:15,144 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:15,145 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:15,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 16:00:15,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:15,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:15,145 INFO L85 PathProgramCache]: Analyzing trace with hash 80463668, now seen corresponding path program 1 times [2023-12-19 16:00:15,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:15,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401547745] [2023-12-19 16:00:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:15,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:15,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:15,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401547745] [2023-12-19 16:00:15,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401547745] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:15,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:15,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 16:00:15,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645116080] [2023-12-19 16:00:15,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:15,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 16:00:15,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:15,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 16:00:15,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 16:00:15,303 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:15,335 INFO L93 Difference]: Finished difference Result 205 states and 299 transitions. [2023-12-19 16:00:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 16:00:15,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-19 16:00:15,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:15,339 INFO L225 Difference]: With dead ends: 205 [2023-12-19 16:00:15,339 INFO L226 Difference]: Without dead ends: 113 [2023-12-19 16:00:15,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 16:00:15,343 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 40 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:15,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:00:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-19 16:00:15,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 94. [2023-12-19 16:00:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-12-19 16:00:15,354 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 119 [2023-12-19 16:00:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:15,354 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-12-19 16:00:15,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-12-19 16:00:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:15,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:15,355 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:15,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 16:00:15,356 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:15,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:15,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1199400010, now seen corresponding path program 1 times [2023-12-19 16:00:15,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:15,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33131763] [2023-12-19 16:00:15,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:15,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33131763] [2023-12-19 16:00:15,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33131763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:15,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:15,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 16:00:15,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234523951] [2023-12-19 16:00:15,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:15,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 16:00:15,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:15,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 16:00:15,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 16:00:15,544 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:15,587 INFO L93 Difference]: Finished difference Result 199 states and 288 transitions. [2023-12-19 16:00:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 16:00:15,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-19 16:00:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:15,590 INFO L225 Difference]: With dead ends: 199 [2023-12-19 16:00:15,590 INFO L226 Difference]: Without dead ends: 106 [2023-12-19 16:00:15,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:00:15,599 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 21 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:15,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:00:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-12-19 16:00:15,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2023-12-19 16:00:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-12-19 16:00:15,610 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 119 [2023-12-19 16:00:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:15,610 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-12-19 16:00:15,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-12-19 16:00:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:15,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:15,612 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:15,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 16:00:15,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:15,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2008746636, now seen corresponding path program 1 times [2023-12-19 16:00:15,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:15,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461123523] [2023-12-19 16:00:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:15,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:15,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:15,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461123523] [2023-12-19 16:00:15,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461123523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:15,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:15,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 16:00:15,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680675548] [2023-12-19 16:00:15,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:15,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 16:00:15,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:15,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 16:00:15,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 16:00:15,762 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:15,791 INFO L93 Difference]: Finished difference Result 199 states and 286 transitions. [2023-12-19 16:00:15,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 16:00:15,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-19 16:00:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:15,793 INFO L225 Difference]: With dead ends: 199 [2023-12-19 16:00:15,793 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 16:00:15,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:00:15,794 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 12 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:15,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 379 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:00:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 16:00:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2023-12-19 16:00:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2023-12-19 16:00:15,810 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 119 [2023-12-19 16:00:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:15,810 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2023-12-19 16:00:15,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2023-12-19 16:00:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:15,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:15,817 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:15,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 16:00:15,817 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:15,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:15,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1951488334, now seen corresponding path program 1 times [2023-12-19 16:00:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:15,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455164775] [2023-12-19 16:00:15,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:15,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:15,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:15,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455164775] [2023-12-19 16:00:15,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455164775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:15,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:15,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 16:00:15,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231175403] [2023-12-19 16:00:15,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:15,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 16:00:15,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:15,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 16:00:15,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 16:00:15,919 INFO L87 Difference]: Start difference. First operand 98 states and 140 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:15,943 INFO L93 Difference]: Finished difference Result 199 states and 284 transitions. [2023-12-19 16:00:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 16:00:15,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-19 16:00:15,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:15,946 INFO L225 Difference]: With dead ends: 199 [2023-12-19 16:00:15,946 INFO L226 Difference]: Without dead ends: 102 [2023-12-19 16:00:15,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:00:15,947 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 3 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:15,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 379 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:00:15,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-19 16:00:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2023-12-19 16:00:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2023-12-19 16:00:15,956 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 119 [2023-12-19 16:00:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:15,956 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2023-12-19 16:00:15,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2023-12-19 16:00:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 16:00:15,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:15,958 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:15,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 16:00:15,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:15,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:15,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1951428752, now seen corresponding path program 1 times [2023-12-19 16:00:15,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:15,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823297900] [2023-12-19 16:00:15,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:15,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:16,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:16,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823297900] [2023-12-19 16:00:16,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823297900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:16,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:16,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 16:00:16,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843026360] [2023-12-19 16:00:16,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:16,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 16:00:16,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:16,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 16:00:16,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 16:00:16,248 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:16,468 INFO L93 Difference]: Finished difference Result 272 states and 383 transitions. [2023-12-19 16:00:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 16:00:16,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-19 16:00:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:16,469 INFO L225 Difference]: With dead ends: 272 [2023-12-19 16:00:16,469 INFO L226 Difference]: Without dead ends: 173 [2023-12-19 16:00:16,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-19 16:00:16,470 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 238 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:16,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 411 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 16:00:16,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-19 16:00:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 109. [2023-12-19 16:00:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 155 transitions. [2023-12-19 16:00:16,477 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 155 transitions. Word has length 119 [2023-12-19 16:00:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:16,477 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 155 transitions. [2023-12-19 16:00:16,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 155 transitions. [2023-12-19 16:00:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 16:00:16,478 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:16,478 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:16,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 16:00:16,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:16,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:16,479 INFO L85 PathProgramCache]: Analyzing trace with hash -366054729, now seen corresponding path program 1 times [2023-12-19 16:00:16,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:16,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451764328] [2023-12-19 16:00:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:16,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:17,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:17,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451764328] [2023-12-19 16:00:17,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451764328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:17,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:17,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 16:00:17,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265507393] [2023-12-19 16:00:17,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:17,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 16:00:17,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:17,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 16:00:17,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-19 16:00:17,524 INFO L87 Difference]: Start difference. First operand 109 states and 155 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:18,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:18,152 INFO L93 Difference]: Finished difference Result 389 states and 548 transitions. [2023-12-19 16:00:18,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 16:00:18,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 120 [2023-12-19 16:00:18,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:18,154 INFO L225 Difference]: With dead ends: 389 [2023-12-19 16:00:18,154 INFO L226 Difference]: Without dead ends: 281 [2023-12-19 16:00:18,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-19 16:00:18,155 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 416 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:18,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 348 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 16:00:18,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-12-19 16:00:18,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 125. [2023-12-19 16:00:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 178 transitions. [2023-12-19 16:00:18,163 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 178 transitions. Word has length 120 [2023-12-19 16:00:18,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:18,163 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 178 transitions. [2023-12-19 16:00:18,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2023-12-19 16:00:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 16:00:18,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:18,164 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:18,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 16:00:18,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:18,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:18,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2123474233, now seen corresponding path program 1 times [2023-12-19 16:00:18,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:18,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068475862] [2023-12-19 16:00:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:18,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:18,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:18,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068475862] [2023-12-19 16:00:18,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068475862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:18,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:18,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 16:00:18,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672919563] [2023-12-19 16:00:18,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:18,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 16:00:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:18,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 16:00:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-19 16:00:18,765 INFO L87 Difference]: Start difference. First operand 125 states and 178 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:19,047 INFO L93 Difference]: Finished difference Result 258 states and 369 transitions. [2023-12-19 16:00:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 16:00:19,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120 [2023-12-19 16:00:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:19,048 INFO L225 Difference]: With dead ends: 258 [2023-12-19 16:00:19,048 INFO L226 Difference]: Without dead ends: 134 [2023-12-19 16:00:19,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-12-19 16:00:19,049 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 135 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:19,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 259 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 16:00:19,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-12-19 16:00:19,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2023-12-19 16:00:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 181 transitions. [2023-12-19 16:00:19,083 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 181 transitions. Word has length 120 [2023-12-19 16:00:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:19,084 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 181 transitions. [2023-12-19 16:00:19,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 181 transitions. [2023-12-19 16:00:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 16:00:19,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:19,085 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:19,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 16:00:19,085 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:19,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash -506603339, now seen corresponding path program 1 times [2023-12-19 16:00:19,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:19,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633167592] [2023-12-19 16:00:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:19,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:19,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:19,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633167592] [2023-12-19 16:00:19,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633167592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:19,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:19,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 16:00:19,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808723735] [2023-12-19 16:00:19,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:19,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 16:00:19,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:19,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 16:00:19,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 16:00:19,527 INFO L87 Difference]: Start difference. First operand 127 states and 181 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:19,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:19,804 INFO L93 Difference]: Finished difference Result 332 states and 470 transitions. [2023-12-19 16:00:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 16:00:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120 [2023-12-19 16:00:19,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:19,805 INFO L225 Difference]: With dead ends: 332 [2023-12-19 16:00:19,805 INFO L226 Difference]: Without dead ends: 206 [2023-12-19 16:00:19,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-19 16:00:19,806 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 336 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:19,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 393 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 16:00:19,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-12-19 16:00:19,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 126. [2023-12-19 16:00:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2023-12-19 16:00:19,816 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 180 transitions. Word has length 120 [2023-12-19 16:00:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:19,816 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 180 transitions. [2023-12-19 16:00:19,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 180 transitions. [2023-12-19 16:00:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 16:00:19,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:19,817 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:19,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 16:00:19,817 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:19,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:19,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1982925623, now seen corresponding path program 1 times [2023-12-19 16:00:19,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:19,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234875200] [2023-12-19 16:00:19,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:20,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:20,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234875200] [2023-12-19 16:00:20,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234875200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:20,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:20,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 16:00:20,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164901466] [2023-12-19 16:00:20,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:20,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 16:00:20,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:20,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 16:00:20,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:00:20,025 INFO L87 Difference]: Start difference. First operand 126 states and 180 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:20,147 INFO L93 Difference]: Finished difference Result 252 states and 360 transitions. [2023-12-19 16:00:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 16:00:20,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120 [2023-12-19 16:00:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:20,150 INFO L225 Difference]: With dead ends: 252 [2023-12-19 16:00:20,150 INFO L226 Difference]: Without dead ends: 127 [2023-12-19 16:00:20,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-19 16:00:20,151 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 11 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:20,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 401 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 16:00:20,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-19 16:00:20,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 122. [2023-12-19 16:00:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 173 transitions. [2023-12-19 16:00:20,159 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 173 transitions. Word has length 120 [2023-12-19 16:00:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:20,159 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 173 transitions. [2023-12-19 16:00:20,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2023-12-19 16:00:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 16:00:20,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:20,160 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:20,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 16:00:20,161 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:20,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:20,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1190525301, now seen corresponding path program 1 times [2023-12-19 16:00:20,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:20,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410823666] [2023-12-19 16:00:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:20,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:20,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:20,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410823666] [2023-12-19 16:00:20,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410823666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:20,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:20,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 16:00:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461363345] [2023-12-19 16:00:20,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:20,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 16:00:20,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:20,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 16:00:20,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-19 16:00:20,689 INFO L87 Difference]: Start difference. First operand 122 states and 173 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:20,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:20,970 INFO L93 Difference]: Finished difference Result 312 states and 439 transitions. [2023-12-19 16:00:20,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 16:00:20,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 121 [2023-12-19 16:00:20,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:20,971 INFO L225 Difference]: With dead ends: 312 [2023-12-19 16:00:20,971 INFO L226 Difference]: Without dead ends: 191 [2023-12-19 16:00:20,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-12-19 16:00:20,973 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 348 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:20,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 292 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 16:00:20,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-19 16:00:20,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 124. [2023-12-19 16:00:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 107 states have (on average 1.3644859813084111) internal successors, (146), 107 states have internal predecessors, (146), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 176 transitions. [2023-12-19 16:00:20,983 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 176 transitions. Word has length 121 [2023-12-19 16:00:20,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:20,983 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 176 transitions. [2023-12-19 16:00:20,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions. [2023-12-19 16:00:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 16:00:20,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:20,984 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:20,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 16:00:20,984 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:20,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:20,985 INFO L85 PathProgramCache]: Analyzing trace with hash -325010765, now seen corresponding path program 1 times [2023-12-19 16:00:20,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:20,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122678138] [2023-12-19 16:00:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:20,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:21,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122678138] [2023-12-19 16:00:21,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122678138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:21,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:21,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 16:00:21,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464379619] [2023-12-19 16:00:21,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:21,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 16:00:21,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:21,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 16:00:21,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-19 16:00:21,696 INFO L87 Difference]: Start difference. First operand 124 states and 176 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:22,187 INFO L93 Difference]: Finished difference Result 420 states and 590 transitions. [2023-12-19 16:00:22,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 16:00:22,188 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2023-12-19 16:00:22,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:22,189 INFO L225 Difference]: With dead ends: 420 [2023-12-19 16:00:22,189 INFO L226 Difference]: Without dead ends: 297 [2023-12-19 16:00:22,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-12-19 16:00:22,189 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 443 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:22,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 431 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 16:00:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-12-19 16:00:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 146. [2023-12-19 16:00:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 129 states have (on average 1.372093023255814) internal successors, (177), 129 states have internal predecessors, (177), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 207 transitions. [2023-12-19 16:00:22,199 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 207 transitions. Word has length 121 [2023-12-19 16:00:22,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:22,199 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 207 transitions. [2023-12-19 16:00:22,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-12-19 16:00:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 16:00:22,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:22,200 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:22,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 16:00:22,200 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:22,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1913358667, now seen corresponding path program 1 times [2023-12-19 16:00:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943137455] [2023-12-19 16:00:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:22,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:22,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943137455] [2023-12-19 16:00:22,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943137455] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:22,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 16:00:22,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257742582] [2023-12-19 16:00:22,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:22,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 16:00:22,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 16:00:22,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-19 16:00:22,843 INFO L87 Difference]: Start difference. First operand 146 states and 207 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:23,304 INFO L93 Difference]: Finished difference Result 417 states and 585 transitions. [2023-12-19 16:00:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 16:00:23,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2023-12-19 16:00:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:23,306 INFO L225 Difference]: With dead ends: 417 [2023-12-19 16:00:23,306 INFO L226 Difference]: Without dead ends: 272 [2023-12-19 16:00:23,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-19 16:00:23,307 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 428 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:23,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 398 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 16:00:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-12-19 16:00:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 149. [2023-12-19 16:00:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 132 states have (on average 1.378787878787879) internal successors, (182), 132 states have internal predecessors, (182), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 212 transitions. [2023-12-19 16:00:23,317 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 212 transitions. Word has length 121 [2023-12-19 16:00:23,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:23,317 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 212 transitions. [2023-12-19 16:00:23,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 212 transitions. [2023-12-19 16:00:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 16:00:23,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:23,319 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:23,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 16:00:23,319 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:23,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:23,319 INFO L85 PathProgramCache]: Analyzing trace with hash -387050379, now seen corresponding path program 1 times [2023-12-19 16:00:23,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:23,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135698239] [2023-12-19 16:00:23,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:23,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:23,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135698239] [2023-12-19 16:00:23,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135698239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:23,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:23,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 16:00:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862577447] [2023-12-19 16:00:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:23,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 16:00:23,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:23,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 16:00:23,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-19 16:00:23,636 INFO L87 Difference]: Start difference. First operand 149 states and 212 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:24,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:24,018 INFO L93 Difference]: Finished difference Result 395 states and 557 transitions. [2023-12-19 16:00:24,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 16:00:24,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 121 [2023-12-19 16:00:24,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:24,019 INFO L225 Difference]: With dead ends: 395 [2023-12-19 16:00:24,019 INFO L226 Difference]: Without dead ends: 247 [2023-12-19 16:00:24,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-19 16:00:24,020 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 316 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:24,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 280 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 16:00:24,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-12-19 16:00:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 153. [2023-12-19 16:00:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 136 states have (on average 1.3676470588235294) internal successors, (186), 136 states have internal predecessors, (186), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:24,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 216 transitions. [2023-12-19 16:00:24,031 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 216 transitions. Word has length 121 [2023-12-19 16:00:24,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:24,031 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 216 transitions. [2023-12-19 16:00:24,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:24,031 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 216 transitions. [2023-12-19 16:00:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 16:00:24,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:24,032 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:00:24,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 16:00:24,033 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:24,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:24,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1975398281, now seen corresponding path program 1 times [2023-12-19 16:00:24,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:24,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132149959] [2023-12-19 16:00:24,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:24,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:24,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132149959] [2023-12-19 16:00:24,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132149959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:24,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:24,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 16:00:24,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429981503] [2023-12-19 16:00:24,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:24,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 16:00:24,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 16:00:24,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:00:24,218 INFO L87 Difference]: Start difference. First operand 153 states and 216 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:24,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:24,356 INFO L93 Difference]: Finished difference Result 394 states and 551 transitions. [2023-12-19 16:00:24,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 16:00:24,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 121 [2023-12-19 16:00:24,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:24,357 INFO L225 Difference]: With dead ends: 394 [2023-12-19 16:00:24,357 INFO L226 Difference]: Without dead ends: 242 [2023-12-19 16:00:24,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-19 16:00:24,358 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 205 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:24,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 330 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 16:00:24,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-12-19 16:00:24,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 129. [2023-12-19 16:00:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 112 states have internal predecessors, (151), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 181 transitions. [2023-12-19 16:00:24,369 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 181 transitions. Word has length 121 [2023-12-19 16:00:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:24,369 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 181 transitions. [2023-12-19 16:00:24,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-19 16:00:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 181 transitions. [2023-12-19 16:00:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-19 16:00:24,370 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:24,370 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 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] [2023-12-19 16:00:24,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 16:00:24,370 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:24,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:24,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1935488018, now seen corresponding path program 1 times [2023-12-19 16:00:24,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:24,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132671455] [2023-12-19 16:00:24,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:24,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-19 16:00:25,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:25,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132671455] [2023-12-19 16:00:25,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132671455] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:00:25,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:00:25,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 16:00:25,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049379959] [2023-12-19 16:00:25,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:00:25,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 16:00:25,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:00:25,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 16:00:25,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-19 16:00:25,192 INFO L87 Difference]: Start difference. First operand 129 states and 181 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:25,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:00:25,781 INFO L93 Difference]: Finished difference Result 438 states and 609 transitions. [2023-12-19 16:00:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 16:00:25,782 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2023-12-19 16:00:25,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:00:25,783 INFO L225 Difference]: With dead ends: 438 [2023-12-19 16:00:25,783 INFO L226 Difference]: Without dead ends: 310 [2023-12-19 16:00:25,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-12-19 16:00:25,784 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 448 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 16:00:25,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 431 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 16:00:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-12-19 16:00:25,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 145. [2023-12-19 16:00:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-19 16:00:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 205 transitions. [2023-12-19 16:00:25,792 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 205 transitions. Word has length 122 [2023-12-19 16:00:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:00:25,792 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 205 transitions. [2023-12-19 16:00:25,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 16:00:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 205 transitions. [2023-12-19 16:00:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-19 16:00:25,793 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:00:25,793 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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, 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] [2023-12-19 16:00:25,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 16:00:25,794 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:00:25,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:00:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1493964742, now seen corresponding path program 1 times [2023-12-19 16:00:25,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:00:25,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213276348] [2023-12-19 16:00:25,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:00:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:00:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:00:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:00:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:00:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:00:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:00:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:00:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:00:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:00:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:00:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:00:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:00:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:00:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:00:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 16:00:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-12-19 16:00:26,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:00:26,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213276348] [2023-12-19 16:00:26,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213276348] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 16:00:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558594137] [2023-12-19 16:00:26,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:00:26,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 16:00:26,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:00:26,539 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) [2023-12-19 16:00:26,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 16:00:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:00:26,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-19 16:00:26,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 16:00:28,995 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 15 treesize of output 1 [2023-12-19 16:00:29,552 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 25 treesize of output 13 [2023-12-19 16:00:29,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-19 16:00:30,021 INFO L349 Elim1Store]: treesize reduction 86, result has 28.9 percent of original size [2023-12-19 16:00:30,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 68 treesize of output 104 [2023-12-19 16:00:30,105 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 31 treesize of output 20 [2023-12-19 16:00:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:30,431 INFO L349 Elim1Store]: treesize reduction 400, result has 18.5 percent of original size [2023-12-19 16:00:30,431 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 10 case distinctions, treesize of input 307 treesize of output 431 [2023-12-19 16:00:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:31,984 INFO L349 Elim1Store]: treesize reduction 163, result has 18.1 percent of original size [2023-12-19 16:00:31,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 838 treesize of output 845 [2023-12-19 16:00:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:34,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:34,227 INFO L349 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2023-12-19 16:00:34,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 802 treesize of output 775 [2023-12-19 16:00:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:34,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:34,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 379 treesize of output 572 [2023-12-19 16:00:35,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-19 16:00:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:35,993 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:35,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:35,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:36,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2023-12-19 16:00:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:36,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:36,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 42 [2023-12-19 16:00:36,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:36,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:36,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 17 [2023-12-19 16:00:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:36,448 INFO L349 Elim1Store]: treesize reduction 117, result has 28.2 percent of original size [2023-12-19 16:00:36,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 639 treesize of output 1089 [2023-12-19 16:00:37,111 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:37,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:37,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:37,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:37,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:37,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:37,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:37,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:37,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:37,779 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:37,810 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:37,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:37,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:37,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:37,856 INFO L224 Elim1Store]: Index analysis took 120 ms [2023-12-19 16:00:37,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 328 [2023-12-19 16:00:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:37,983 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,095 INFO L224 Elim1Store]: Index analysis took 115 ms [2023-12-19 16:00:38,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 328 [2023-12-19 16:00:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:38,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:38,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:38,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,434 INFO L224 Elim1Store]: Index analysis took 234 ms [2023-12-19 16:00:38,475 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-12-19 16:00:38,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 122 treesize of output 328 [2023-12-19 16:00:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:38,586 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,739 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:38,740 INFO L224 Elim1Store]: Index analysis took 157 ms [2023-12-19 16:00:38,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 328 [2023-12-19 16:00:39,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:39,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:39,243 INFO L224 Elim1Store]: Index analysis took 243 ms [2023-12-19 16:00:39,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 328 [2023-12-19 16:00:39,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:39,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:39,584 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:39,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:39,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:40,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:40,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:40,383 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:40,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:40,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,451 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:41,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,529 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:41,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:41,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,264 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,269 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,269 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,269 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2023-12-19 16:00:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,308 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-12-19 16:00:42,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 78 [2023-12-19 16:00:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-12-19 16:00:42,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,392 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,392 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:42,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2023-12-19 16:00:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:42,610 INFO L349 Elim1Store]: treesize reduction 112, result has 27.7 percent of original size [2023-12-19 16:00:42,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 630 treesize of output 1079 [2023-12-19 16:00:43,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:43,306 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:43,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:43,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:43,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:43,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,714 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:44,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:44,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,158 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:45,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,500 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:45,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:45,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:46,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:46,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:46,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:46,352 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:46,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 237 [2023-12-19 16:00:47,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,491 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-12-19 16:00:47,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 84 [2023-12-19 16:00:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,539 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:47,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:47,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 54 [2023-12-19 16:00:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,594 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,599 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:47,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 23 [2023-12-19 16:00:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:47,993 INFO L349 Elim1Store]: treesize reduction 101, result has 27.9 percent of original size [2023-12-19 16:00:47,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 9 new quantified variables, introduced 13 case distinctions, treesize of input 534 treesize of output 851 [2023-12-19 16:00:49,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:49,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:49,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:49,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:49,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:50,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:50,822 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:50,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:50,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:50,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,596 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:51,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:51,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,298 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:52,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:52,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:53,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:53,084 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-19 16:00:53,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2023-12-19 16:00:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,534 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 20 [2023-12-19 16:00:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 20 [2023-12-19 16:00:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,599 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 20 [2023-12-19 16:00:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 20 [2023-12-19 16:00:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,671 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,672 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:53,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2023-12-19 16:00:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,716 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-12-19 16:00:53,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 35 [2023-12-19 16:00:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,212 INFO L349 Elim1Store]: treesize reduction 601, result has 12.4 percent of original size [2023-12-19 16:00:54,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 252 treesize of output 412 [2023-12-19 16:00:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,487 INFO L349 Elim1Store]: treesize reduction 89, result has 16.0 percent of original size [2023-12-19 16:00:54,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 96 treesize of output 139 [2023-12-19 16:00:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,599 INFO L349 Elim1Store]: treesize reduction 89, result has 16.0 percent of original size [2023-12-19 16:00:54,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 96 treesize of output 139 [2023-12-19 16:00:54,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 118 [2023-12-19 16:00:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,761 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 118 [2023-12-19 16:00:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,828 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:54,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:54,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 118 [2023-12-19 16:00:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:55,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:00:55,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:55,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-19 16:00:55,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 118 [2023-12-19 16:01:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:24,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:24,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:24,445 INFO L349 Elim1Store]: treesize reduction 287, result has 17.5 percent of original size [2023-12-19 16:01:24,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 287 treesize of output 313 [2023-12-19 16:01:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 139 [2023-12-19 16:01:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,097 INFO L349 Elim1Store]: treesize reduction 48, result has 14.3 percent of original size [2023-12-19 16:01:25,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 449 treesize of output 433 [2023-12-19 16:01:25,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:25,376 INFO L349 Elim1Store]: treesize reduction 455, result has 12.2 percent of original size [2023-12-19 16:01:25,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 267 treesize of output 311 [2023-12-19 16:01:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,125 INFO L349 Elim1Store]: treesize reduction 152, result has 10.6 percent of original size [2023-12-19 16:01:26,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 918 treesize of output 847 [2023-12-19 16:01:26,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:01:26,575 INFO L349 Elim1Store]: treesize reduction 138, result has 12.7 percent of original size [2023-12-19 16:01:26,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 257 treesize of output 239 [2023-12-19 16:02:31,398 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 24 treesize of output 13 [2023-12-19 16:02:31,457 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-12-19 16:02:31,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 16:02:31,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-19 16:02:31,664 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:331) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:186) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:543) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:522) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:515) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:326) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-19 16:02:31,667 INFO L158 Benchmark]: Toolchain (without parser) took 138200.91ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 850.4MB). Free memory was 141.0MB in the beginning and 696.2MB in the end (delta: -555.2MB). Peak memory consumption was 619.0MB. Max. memory is 8.0GB. [2023-12-19 16:02:31,667 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 16:02:31,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.68ms. Allocated memory is still 202.4MB. Free memory was 141.0MB in the beginning and 125.3MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-19 16:02:31,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.40ms. Allocated memory is still 202.4MB. Free memory was 125.3MB in the beginning and 121.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 16:02:31,667 INFO L158 Benchmark]: Boogie Preprocessor took 91.60ms. Allocated memory is still 202.4MB. Free memory was 121.7MB in the beginning and 117.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 16:02:31,668 INFO L158 Benchmark]: RCFGBuilder took 485.51ms. Allocated memory is still 202.4MB. Free memory was 117.5MB in the beginning and 86.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-19 16:02:31,668 INFO L158 Benchmark]: TraceAbstraction took 137309.81ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 850.4MB). Free memory was 85.5MB in the beginning and 696.2MB in the end (delta: -610.8MB). Peak memory consumption was 563.4MB. Max. memory is 8.0GB. [2023-12-19 16:02:31,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.68ms. Allocated memory is still 202.4MB. Free memory was 141.0MB in the beginning and 125.3MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.40ms. Allocated memory is still 202.4MB. Free memory was 125.3MB in the beginning and 121.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 91.60ms. Allocated memory is still 202.4MB. Free memory was 121.7MB in the beginning and 117.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 485.51ms. Allocated memory is still 202.4MB. Free memory was 117.5MB in the beginning and 86.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 137309.81ms. Allocated memory was 202.4MB in the beginning and 1.1GB in the end (delta: 850.4MB). Free memory was 85.5MB in the beginning and 696.2MB in the end (delta: -610.8MB). Peak memory consumption was 563.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-19 16:02:31,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...