/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-s_file-24.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 15:45:12,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 15:45:12,886 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 15:45:12,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 15:45:12,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 15:45:12,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 15:45:12,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 15:45:12,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 15:45:12,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 15:45:12,917 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 15:45:12,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 15:45:12,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 15:45:12,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 15:45:12,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 15:45:12,919 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 15:45:12,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 15:45:12,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 15:45:12,920 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 15:45:12,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 15:45:12,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 15:45:12,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 15:45:12,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 15:45:12,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 15:45:12,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 15:45:12,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 15:45:12,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 15:45:12,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 15:45:12,922 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 15:45:12,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 15:45:12,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 15:45:12,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 15:45:12,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 15:45:12,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:45:12,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 15:45:12,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 15:45:12,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 15:45:12,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 15:45:13,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 15:45:13,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 15:45:13,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 15:45:13,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 15:45:13,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 15:45:13,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-24.i [2023-12-19 15:45:14,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 15:45:14,344 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 15:45:14,344 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-24.i [2023-12-19 15:45:14,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ad158972/5b54a36ec2ef425f9aee8275c9cf66b6/FLAG026b8a5db [2023-12-19 15:45:14,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ad158972/5b54a36ec2ef425f9aee8275c9cf66b6 [2023-12-19 15:45:14,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 15:45:14,361 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 15:45:14,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 15:45:14,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 15:45:14,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 15:45:14,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdbbcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14, skipping insertion in model container [2023-12-19 15:45:14,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 15:45:14,498 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-s_file-24.i[916,929] [2023-12-19 15:45:14,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:45:14,566 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 15:45:14,577 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-s_file-24.i[916,929] [2023-12-19 15:45:14,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:45:14,641 INFO L206 MainTranslator]: Completed translation [2023-12-19 15:45:14,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14 WrapperNode [2023-12-19 15:45:14,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 15:45:14,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 15:45:14,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 15:45:14,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 15:45:14,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,705 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 455 [2023-12-19 15:45:14,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 15:45:14,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 15:45:14,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 15:45:14,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 15:45:14,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,741 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 15:45:14,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 15:45:14,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 15:45:14,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 15:45:14,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 15:45:14,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (1/1) ... [2023-12-19 15:45:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:45:14,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:45:14,782 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 15:45:14,792 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 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 15:45:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 15:45:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 15:45:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 15:45:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 15:45:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 15:45:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 15:45:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 15:45:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 15:45:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 15:45:14,924 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 15:45:14,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 15:45:15,240 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 15:45:15,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 15:45:15,275 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 15:45:15,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:45:15 BoogieIcfgContainer [2023-12-19 15:45:15,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 15:45:15,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 15:45:15,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 15:45:15,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 15:45:15,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:45:14" (1/3) ... [2023-12-19 15:45:15,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2a2abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:45:15, skipping insertion in model container [2023-12-19 15:45:15,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:45:14" (2/3) ... [2023-12-19 15:45:15,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2a2abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:45:15, skipping insertion in model container [2023-12-19 15:45:15,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:45:15" (3/3) ... [2023-12-19 15:45:15,288 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-24.i [2023-12-19 15:45:15,299 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 15:45:15,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 15:45:15,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 15:45:15,346 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;@7be4b1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 15:45:15,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 15:45:15,352 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 15:45:15,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:15,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:15,361 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 15:45:15,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:15,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:15,365 INFO L85 PathProgramCache]: Analyzing trace with hash -90317922, now seen corresponding path program 1 times [2023-12-19 15:45:15,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:15,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627784894] [2023-12-19 15:45:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,636 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 15:45:15,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:15,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627784894] [2023-12-19 15:45:15,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627784894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:15,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:15,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 15:45:15,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497683456] [2023-12-19 15:45:15,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:15,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 15:45:15,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 15:45:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:45:15,677 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 15:45:15,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:15,715 INFO L93 Difference]: Finished difference Result 185 states and 291 transitions. [2023-12-19 15:45:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 15:45:15,718 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 15:45:15,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:15,724 INFO L225 Difference]: With dead ends: 185 [2023-12-19 15:45:15,724 INFO L226 Difference]: Without dead ends: 92 [2023-12-19 15:45:15,727 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 15:45:15,731 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 15:45:15,732 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 15:45:15,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-19 15:45:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-12-19 15:45:15,761 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 15:45:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-12-19 15:45:15,764 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2023-12-19 15:45:15,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:15,765 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-12-19 15:45:15,766 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 15:45:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-12-19 15:45:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:15,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:15,768 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 15:45:15,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 15:45:15,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:15,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2157560, now seen corresponding path program 1 times [2023-12-19 15:45:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:15,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744603987] [2023-12-19 15:45:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:15,971 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 15:45:15,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744603987] [2023-12-19 15:45:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744603987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:15,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 15:45:15,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822419429] [2023-12-19 15:45:15,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:15,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 15:45:15,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:15,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 15:45:15,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:45:15,985 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 15:45:16,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:16,027 INFO L93 Difference]: Finished difference Result 184 states and 269 transitions. [2023-12-19 15:45:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 15:45:16,029 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 15:45:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:16,031 INFO L225 Difference]: With dead ends: 184 [2023-12-19 15:45:16,031 INFO L226 Difference]: Without dead ends: 93 [2023-12-19 15:45:16,033 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 15:45:16,034 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 15:45:16,034 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 15:45:16,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-19 15:45:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-19 15:45:16,040 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 15:45:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-12-19 15:45:16,041 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 119 [2023-12-19 15:45:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:16,042 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-12-19 15:45:16,042 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 15:45:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-12-19 15:45:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:16,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:16,045 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 15:45:16,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 15:45:16,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:16,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:16,048 INFO L85 PathProgramCache]: Analyzing trace with hash 221012278, now seen corresponding path program 1 times [2023-12-19 15:45:16,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:16,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276718677] [2023-12-19 15:45:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:16,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,178 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 15:45:16,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:16,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276718677] [2023-12-19 15:45:16,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276718677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:16,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:16,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 15:45:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108309598] [2023-12-19 15:45:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:16,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 15:45:16,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:16,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 15:45:16,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:45:16,184 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 15:45:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:16,219 INFO L93 Difference]: Finished difference Result 205 states and 299 transitions. [2023-12-19 15:45:16,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 15:45:16,220 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 15:45:16,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:16,224 INFO L225 Difference]: With dead ends: 205 [2023-12-19 15:45:16,224 INFO L226 Difference]: Without dead ends: 113 [2023-12-19 15:45:16,227 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 15:45:16,227 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 15:45:16,228 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 15:45:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-19 15:45:16,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 94. [2023-12-19 15:45:16,233 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 15:45:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-12-19 15:45:16,234 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 119 [2023-12-19 15:45:16,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:16,235 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-12-19 15:45:16,235 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 15:45:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-12-19 15:45:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:16,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:16,239 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 15:45:16,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 15:45:16,239 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:16,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:16,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1058851400, now seen corresponding path program 1 times [2023-12-19 15:45:16,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:16,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913504375] [2023-12-19 15:45:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:16,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,412 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 15:45:16,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913504375] [2023-12-19 15:45:16,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913504375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:16,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:16,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:45:16,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663623126] [2023-12-19 15:45:16,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:16,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:45:16,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:16,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:45:16,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:45:16,414 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 15:45:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:16,457 INFO L93 Difference]: Finished difference Result 199 states and 288 transitions. [2023-12-19 15:45:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:45:16,458 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 15:45:16,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:16,460 INFO L225 Difference]: With dead ends: 199 [2023-12-19 15:45:16,460 INFO L226 Difference]: Without dead ends: 106 [2023-12-19 15:45:16,461 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 15:45:16,464 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 15:45:16,465 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 15:45:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-12-19 15:45:16,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2023-12-19 15:45:16,479 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 15:45:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-12-19 15:45:16,480 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 119 [2023-12-19 15:45:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:16,480 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-12-19 15:45:16,480 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 15:45:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-12-19 15:45:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:16,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:16,482 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 15:45:16,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 15:45:16,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:16,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1868198026, now seen corresponding path program 1 times [2023-12-19 15:45:16,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:16,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028449805] [2023-12-19 15:45:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,641 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 15:45:16,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:16,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028449805] [2023-12-19 15:45:16,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028449805] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:16,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:16,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:45:16,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505734316] [2023-12-19 15:45:16,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:16,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:45:16,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:45:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:45:16,644 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 15:45:16,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:16,672 INFO L93 Difference]: Finished difference Result 199 states and 286 transitions. [2023-12-19 15:45:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:45:16,672 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 15:45:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:16,673 INFO L225 Difference]: With dead ends: 199 [2023-12-19 15:45:16,673 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 15:45:16,673 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 15:45:16,674 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 15:45:16,675 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 15:45:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 15:45:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2023-12-19 15:45:16,689 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 15:45:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2023-12-19 15:45:16,691 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 119 [2023-12-19 15:45:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:16,692 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2023-12-19 15:45:16,692 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 15:45:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2023-12-19 15:45:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:16,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:16,696 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 15:45:16,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 15:45:16,696 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:16,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:16,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1810939724, now seen corresponding path program 1 times [2023-12-19 15:45:16,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:16,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318393741] [2023-12-19 15:45:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:16,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:16,806 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 15:45:16,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:16,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318393741] [2023-12-19 15:45:16,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318393741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:16,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:16,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:45:16,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281289243] [2023-12-19 15:45:16,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:16,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:45:16,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:16,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:45:16,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:45:16,807 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 15:45:16,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:16,834 INFO L93 Difference]: Finished difference Result 199 states and 284 transitions. [2023-12-19 15:45:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:45:16,834 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 15:45:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:16,837 INFO L225 Difference]: With dead ends: 199 [2023-12-19 15:45:16,837 INFO L226 Difference]: Without dead ends: 102 [2023-12-19 15:45:16,838 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 15:45:16,839 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 15:45:16,839 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 15:45:16,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-19 15:45:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2023-12-19 15:45:16,845 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 15:45:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2023-12-19 15:45:16,847 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 119 [2023-12-19 15:45:16,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:16,847 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2023-12-19 15:45:16,847 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 15:45:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2023-12-19 15:45:16,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-19 15:45:16,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:16,849 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 15:45:16,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 15:45:16,849 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:16,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1810880142, now seen corresponding path program 1 times [2023-12-19 15:45:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490058437] [2023-12-19 15:45:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,073 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 15:45:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:17,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490058437] [2023-12-19 15:45:17,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490058437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:17,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:17,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:45:17,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794357001] [2023-12-19 15:45:17,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:17,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:45:17,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:45:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:45:17,075 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 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 15:45:17,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:17,265 INFO L93 Difference]: Finished difference Result 280 states and 392 transitions. [2023-12-19 15:45:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:45:17,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 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 15:45:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:17,266 INFO L225 Difference]: With dead ends: 280 [2023-12-19 15:45:17,266 INFO L226 Difference]: Without dead ends: 181 [2023-12-19 15:45:17,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:45:17,268 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 113 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:17,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 448 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 15:45:17,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-19 15:45:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 155. [2023-12-19 15:45:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 135 states have (on average 1.3555555555555556) internal successors, (183), 136 states have internal predecessors, (183), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions. [2023-12-19 15:45:17,276 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 217 transitions. Word has length 119 [2023-12-19 15:45:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:17,277 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 217 transitions. [2023-12-19 15:45:17,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 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 15:45:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions. [2023-12-19 15:45:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 15:45:17,277 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:17,277 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 15:45:17,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 15:45:17,278 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:17,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:17,278 INFO L85 PathProgramCache]: Analyzing trace with hash -304015115, now seen corresponding path program 1 times [2023-12-19 15:45:17,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:17,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710737292] [2023-12-19 15:45:17,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:17,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:17,802 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 15:45:17,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:17,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710737292] [2023-12-19 15:45:17,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710737292] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:17,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:17,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:45:17,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491215151] [2023-12-19 15:45:17,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:17,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:45:17,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:17,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:45:17,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:45:17,804 INFO L87 Difference]: Start difference. First operand 155 states and 217 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 15:45:18,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:18,268 INFO L93 Difference]: Finished difference Result 653 states and 912 transitions. [2023-12-19 15:45:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:45:18,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 15:45:18,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:18,272 INFO L225 Difference]: With dead ends: 653 [2023-12-19 15:45:18,273 INFO L226 Difference]: Without dead ends: 499 [2023-12-19 15:45:18,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-12-19 15:45:18,273 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 386 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:18,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 360 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 15:45:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-12-19 15:45:18,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 173. [2023-12-19 15:45:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 153 states have (on average 1.3660130718954249) internal successors, (209), 154 states have internal predecessors, (209), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 243 transitions. [2023-12-19 15:45:18,284 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 243 transitions. Word has length 120 [2023-12-19 15:45:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:18,284 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 243 transitions. [2023-12-19 15:45:18,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 15:45:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-12-19 15:45:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 15:45:18,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:18,300 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 15:45:18,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 15:45:18,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:18,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:18,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2109453449, now seen corresponding path program 1 times [2023-12-19 15:45:18,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:18,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88291389] [2023-12-19 15:45:18,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:18,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:18,801 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 15:45:18,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:18,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88291389] [2023-12-19 15:45:18,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88291389] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:18,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:18,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:45:18,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502779049] [2023-12-19 15:45:18,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:18,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:45:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:18,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:45:18,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:45:18,803 INFO L87 Difference]: Start difference. First operand 173 states and 243 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 15:45:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:19,196 INFO L93 Difference]: Finished difference Result 575 states and 807 transitions. [2023-12-19 15:45:19,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:45:19,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 15:45:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:19,198 INFO L225 Difference]: With dead ends: 575 [2023-12-19 15:45:19,198 INFO L226 Difference]: Without dead ends: 403 [2023-12-19 15:45:19,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:45:19,199 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 232 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:19,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 415 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 15:45:19,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-12-19 15:45:19,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 175. [2023-12-19 15:45:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 155 states have (on average 1.367741935483871) internal successors, (212), 156 states have internal predecessors, (212), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 246 transitions. [2023-12-19 15:45:19,206 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 246 transitions. Word has length 120 [2023-12-19 15:45:19,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:19,207 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 246 transitions. [2023-12-19 15:45:19,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 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 15:45:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2023-12-19 15:45:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 15:45:19,207 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:19,208 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 15:45:19,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 15:45:19,208 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:19,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:19,208 INFO L85 PathProgramCache]: Analyzing trace with hash -444563725, now seen corresponding path program 1 times [2023-12-19 15:45:19,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:19,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193423810] [2023-12-19 15:45:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:19,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:19,790 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 15:45:19,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:19,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193423810] [2023-12-19 15:45:19,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193423810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:19,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:19,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:45:19,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481859340] [2023-12-19 15:45:19,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:19,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:45:19,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:19,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:45:19,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:45:19,791 INFO L87 Difference]: Start difference. First operand 175 states and 246 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 15:45:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:20,147 INFO L93 Difference]: Finished difference Result 491 states and 689 transitions. [2023-12-19 15:45:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:45:20,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 120 [2023-12-19 15:45:20,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:20,149 INFO L225 Difference]: With dead ends: 491 [2023-12-19 15:45:20,149 INFO L226 Difference]: Without dead ends: 317 [2023-12-19 15:45:20,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:45:20,150 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 148 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:20,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 594 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:45:20,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-12-19 15:45:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 174. [2023-12-19 15:45:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 154 states have (on average 1.37012987012987) internal successors, (211), 155 states have internal predecessors, (211), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 245 transitions. [2023-12-19 15:45:20,158 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 245 transitions. Word has length 120 [2023-12-19 15:45:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:20,158 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 245 transitions. [2023-12-19 15:45:20,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 15:45:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2023-12-19 15:45:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-19 15:45:20,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:20,159 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 15:45:20,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 15:45:20,159 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:20,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:20,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2044965237, now seen corresponding path program 1 times [2023-12-19 15:45:20,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:20,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420050669] [2023-12-19 15:45:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:20,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:20,620 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 15:45:20,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:20,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420050669] [2023-12-19 15:45:20,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420050669] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:20,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:20,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:45:20,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432046850] [2023-12-19 15:45:20,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:20,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:45:20,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:20,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:45:20,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:45:20,622 INFO L87 Difference]: Start difference. First operand 174 states and 245 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 15:45:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:20,939 INFO L93 Difference]: Finished difference Result 426 states and 599 transitions. [2023-12-19 15:45:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:45:20,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 120 [2023-12-19 15:45:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:20,940 INFO L225 Difference]: With dead ends: 426 [2023-12-19 15:45:20,940 INFO L226 Difference]: Without dead ends: 253 [2023-12-19 15:45:20,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:45:20,941 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 116 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:20,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 297 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:45:20,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-12-19 15:45:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 170. [2023-12-19 15:45:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 150 states have (on average 1.36) internal successors, (204), 151 states have internal predecessors, (204), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 238 transitions. [2023-12-19 15:45:20,948 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 238 transitions. Word has length 120 [2023-12-19 15:45:20,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:20,948 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 238 transitions. [2023-12-19 15:45:20,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 15:45:20,948 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 238 transitions. [2023-12-19 15:45:20,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 15:45:20,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:20,949 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 15:45:20,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 15:45:20,949 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:20,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:20,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1598217269, now seen corresponding path program 1 times [2023-12-19 15:45:20,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:20,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508409721] [2023-12-19 15:45:20,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:20,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:21,345 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 15:45:21,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:21,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508409721] [2023-12-19 15:45:21,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508409721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:21,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:21,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:45:21,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350487788] [2023-12-19 15:45:21,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:21,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:45:21,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:45:21,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:45:21,347 INFO L87 Difference]: Start difference. First operand 170 states and 238 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 15:45:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:21,730 INFO L93 Difference]: Finished difference Result 681 states and 950 transitions. [2023-12-19 15:45:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:45:21,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 15:45:21,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:21,732 INFO L225 Difference]: With dead ends: 681 [2023-12-19 15:45:21,732 INFO L226 Difference]: Without dead ends: 512 [2023-12-19 15:45:21,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:45:21,733 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 466 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:21,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 312 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:45:21,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-12-19 15:45:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 196. [2023-12-19 15:45:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 176 states have (on average 1.3693181818181819) internal successors, (241), 177 states have internal predecessors, (241), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 275 transitions. [2023-12-19 15:45:21,754 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 275 transitions. Word has length 121 [2023-12-19 15:45:21,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:21,754 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 275 transitions. [2023-12-19 15:45:21,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 15:45:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 275 transitions. [2023-12-19 15:45:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 15:45:21,755 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:21,755 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 15:45:21,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 15:45:21,756 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:21,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:21,756 INFO L85 PathProgramCache]: Analyzing trace with hash 9869367, now seen corresponding path program 1 times [2023-12-19 15:45:21,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:21,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006580054] [2023-12-19 15:45:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:21,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:22,187 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 15:45:22,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:22,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006580054] [2023-12-19 15:45:22,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006580054] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:22,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:22,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:45:22,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972093719] [2023-12-19 15:45:22,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:22,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:45:22,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:22,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:45:22,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:45:22,188 INFO L87 Difference]: Start difference. First operand 196 states and 275 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 15:45:22,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:22,596 INFO L93 Difference]: Finished difference Result 659 states and 920 transitions. [2023-12-19 15:45:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:45:22,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 15:45:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:22,599 INFO L225 Difference]: With dead ends: 659 [2023-12-19 15:45:22,599 INFO L226 Difference]: Without dead ends: 464 [2023-12-19 15:45:22,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:45:22,601 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 386 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:22,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 379 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 15:45:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2023-12-19 15:45:22,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 200. [2023-12-19 15:45:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 180 states have (on average 1.3722222222222222) internal successors, (247), 181 states have internal predecessors, (247), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 281 transitions. [2023-12-19 15:45:22,613 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 281 transitions. Word has length 121 [2023-12-19 15:45:22,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:22,613 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 281 transitions. [2023-12-19 15:45:22,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 15:45:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 281 transitions. [2023-12-19 15:45:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 15:45:22,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:22,615 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 15:45:22,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 15:45:22,615 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:22,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:22,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1536177655, now seen corresponding path program 1 times [2023-12-19 15:45:22,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348775020] [2023-12-19 15:45:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:22,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,160 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 15:45:23,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:23,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348775020] [2023-12-19 15:45:23,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348775020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:23,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:23,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:45:23,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824893539] [2023-12-19 15:45:23,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:23,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:45:23,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:23,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:45:23,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:45:23,161 INFO L87 Difference]: Start difference. First operand 200 states and 281 transitions. Second operand has 7 states, 5 states have (on average 9.8) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-19 15:45:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:23,527 INFO L93 Difference]: Finished difference Result 524 states and 734 transitions. [2023-12-19 15:45:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 15:45:23,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.8) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 121 [2023-12-19 15:45:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:23,529 INFO L225 Difference]: With dead ends: 524 [2023-12-19 15:45:23,529 INFO L226 Difference]: Without dead ends: 325 [2023-12-19 15:45:23,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-19 15:45:23,529 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 148 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:23,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 355 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:45:23,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-12-19 15:45:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 199. [2023-12-19 15:45:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 180 states have internal predecessors, (244), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 278 transitions. [2023-12-19 15:45:23,537 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 278 transitions. Word has length 121 [2023-12-19 15:45:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:23,537 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 278 transitions. [2023-12-19 15:45:23,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.8) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-19 15:45:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 278 transitions. [2023-12-19 15:45:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 15:45:23,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:23,539 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 15:45:23,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 15:45:23,539 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:23,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:23,539 INFO L85 PathProgramCache]: Analyzing trace with hash -52170247, now seen corresponding path program 1 times [2023-12-19 15:45:23,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:23,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646884062] [2023-12-19 15:45:23,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:23,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:23,718 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 15:45:23,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:23,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646884062] [2023-12-19 15:45:23,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646884062] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:23,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:23,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:45:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693539532] [2023-12-19 15:45:23,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:23,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:45:23,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:23,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:45:23,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:45:23,720 INFO L87 Difference]: Start difference. First operand 199 states and 278 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 15:45:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:23,941 INFO L93 Difference]: Finished difference Result 549 states and 764 transitions. [2023-12-19 15:45:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:45:23,941 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 15:45:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:23,942 INFO L225 Difference]: With dead ends: 549 [2023-12-19 15:45:23,942 INFO L226 Difference]: Without dead ends: 351 [2023-12-19 15:45:23,943 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 15:45:23,943 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 257 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:23,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 287 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 15:45:23,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-12-19 15:45:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 170. [2023-12-19 15:45:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 150 states have (on average 1.34) internal successors, (201), 151 states have internal predecessors, (201), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:45:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 235 transitions. [2023-12-19 15:45:23,949 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 235 transitions. Word has length 121 [2023-12-19 15:45:23,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:23,949 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 235 transitions. [2023-12-19 15:45:23,949 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 15:45:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-12-19 15:45:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-19 15:45:23,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:23,950 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 15:45:23,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 15:45:23,950 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:23,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash -2003437832, now seen corresponding path program 1 times [2023-12-19 15:45:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730029742] [2023-12-19 15:45:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,439 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 15:45:24,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:24,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730029742] [2023-12-19 15:45:24,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730029742] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 15:45:24,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026697532] [2023-12-19 15:45:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:24,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:45:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:45:24,458 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 15:45:24,487 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 15:45:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:24,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-19 15:45:24,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:45:24,733 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 43 treesize of output 21 [2023-12-19 15:45:24,764 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 82 treesize of output 62 [2023-12-19 15:45:24,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 76 [2023-12-19 15:45:24,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 46 treesize of output 38 [2023-12-19 15:45:24,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:45:24,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 51 [2023-12-19 15:45:24,878 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 159 treesize of output 121 [2023-12-19 15:45:24,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:45:24,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 151 [2023-12-19 15:45:24,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 100 [2023-12-19 15:45:25,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:45:25,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 221 treesize of output 93 [2023-12-19 15:45:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-12-19 15:45:25,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:45:25,337 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 15:45:25,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026697532] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 15:45:25,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 15:45:25,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 16 [2023-12-19 15:45:25,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220532368] [2023-12-19 15:45:25,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 15:45:25,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-19 15:45:25,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:25,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-19 15:45:25,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2023-12-19 15:45:25,338 INFO L87 Difference]: Start difference. First operand 170 states and 235 transitions. Second operand has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 16 states have internal predecessors, (81), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 15:45:26,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:26,230 INFO L93 Difference]: Finished difference Result 617 states and 839 transitions. [2023-12-19 15:45:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-19 15:45:26,231 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 16 states have internal predecessors, (81), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 122 [2023-12-19 15:45:26,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:26,232 INFO L225 Difference]: With dead ends: 617 [2023-12-19 15:45:26,232 INFO L226 Difference]: Without dead ends: 448 [2023-12-19 15:45:26,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 260 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=253, Invalid=869, Unknown=0, NotChecked=0, Total=1122 [2023-12-19 15:45:26,234 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 753 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:26,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 416 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 15:45:26,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-12-19 15:45:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 294. [2023-12-19 15:45:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 265 states have (on average 1.3358490566037735) internal successors, (354), 268 states have internal predecessors, (354), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-19 15:45:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 400 transitions. [2023-12-19 15:45:26,246 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 400 transitions. Word has length 122 [2023-12-19 15:45:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:26,246 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 400 transitions. [2023-12-19 15:45:26,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 16 states have internal predecessors, (81), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 15:45:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 400 transitions. [2023-12-19 15:45:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-19 15:45:26,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:26,282 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 15:45:26,288 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 15:45:26,488 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,SelfDestructingSolverStorable15 [2023-12-19 15:45:26,488 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:26,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:26,489 INFO L85 PathProgramCache]: Analyzing trace with hash 368301430, now seen corresponding path program 1 times [2023-12-19 15:45:26,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:26,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318022023] [2023-12-19 15:45:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:27,569 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 15:45:27,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318022023] [2023-12-19 15:45:27,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318022023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:27,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:27,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:45:27,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476724687] [2023-12-19 15:45:27,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:27,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:45:27,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:27,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:45:27,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:45:27,571 INFO L87 Difference]: Start difference. First operand 294 states and 400 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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 15:45:27,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:27,965 INFO L93 Difference]: Finished difference Result 668 states and 906 transitions. [2023-12-19 15:45:27,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 15:45:27,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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 122 [2023-12-19 15:45:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:27,968 INFO L225 Difference]: With dead ends: 668 [2023-12-19 15:45:27,968 INFO L226 Difference]: Without dead ends: 375 [2023-12-19 15:45:27,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-12-19 15:45:27,969 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 145 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:27,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 736 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:45:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-19 15:45:27,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 305. [2023-12-19 15:45:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 276 states have (on average 1.3369565217391304) internal successors, (369), 279 states have internal predecessors, (369), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-19 15:45:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 415 transitions. [2023-12-19 15:45:27,984 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 415 transitions. Word has length 122 [2023-12-19 15:45:27,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:27,984 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 415 transitions. [2023-12-19 15:45:27,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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 15:45:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 415 transitions. [2023-12-19 15:45:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-19 15:45:27,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:27,986 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, 1] [2023-12-19 15:45:27,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 15:45:27,986 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:27,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:27,986 INFO L85 PathProgramCache]: Analyzing trace with hash -228669659, now seen corresponding path program 1 times [2023-12-19 15:45:27,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:27,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860415687] [2023-12-19 15:45:27,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:27,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:45:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:45:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:45:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:45:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:45:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:45:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:45:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:45:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 15:45:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 15:45:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:45:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 15:45:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 15:45:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 15:45:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:45:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:45:28,092 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 15:45:28,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:45:28,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860415687] [2023-12-19 15:45:28,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860415687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:45:28,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:45:28,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:45:28,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643913425] [2023-12-19 15:45:28,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:45:28,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:45:28,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:45:28,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:45:28,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:45:28,094 INFO L87 Difference]: Start difference. First operand 305 states and 415 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 15:45:28,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:45:28,127 INFO L93 Difference]: Finished difference Result 673 states and 913 transitions. [2023-12-19 15:45:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:45:28,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 123 [2023-12-19 15:45:28,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:45:28,129 INFO L225 Difference]: With dead ends: 673 [2023-12-19 15:45:28,129 INFO L226 Difference]: Without dead ends: 369 [2023-12-19 15:45:28,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:45:28,130 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 42 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:45:28,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 501 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:45:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-19 15:45:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 317. [2023-12-19 15:45:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 288 states have (on average 1.3229166666666667) internal successors, (381), 291 states have internal predecessors, (381), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-19 15:45:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 427 transitions. [2023-12-19 15:45:28,145 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 427 transitions. Word has length 123 [2023-12-19 15:45:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:45:28,146 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 427 transitions. [2023-12-19 15:45:28,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 15:45:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 427 transitions. [2023-12-19 15:45:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-19 15:45:28,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:45:28,147 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, 1, 1] [2023-12-19 15:45:28,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-19 15:45:28,147 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:45:28,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:45:28,147 INFO L85 PathProgramCache]: Analyzing trace with hash 166471743, now seen corresponding path program 1 times [2023-12-19 15:45:28,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:45:28,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569673609] [2023-12-19 15:45:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:45:28,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:45:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 15:45:28,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 15:45:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 15:45:28,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 15:45:28,265 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 15:45:28,266 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 15:45:28,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 15:45:28,270 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:45:28,272 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 15:45:28,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:45:28 BoogieIcfgContainer [2023-12-19 15:45:28,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 15:45:28,321 INFO L158 Benchmark]: Toolchain (without parser) took 13959.46ms. Allocated memory was 331.4MB in the beginning and 585.1MB in the end (delta: 253.8MB). Free memory was 277.2MB in the beginning and 366.0MB in the end (delta: -88.8MB). Peak memory consumption was 165.5MB. Max. memory is 8.0GB. [2023-12-19 15:45:28,321 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 15:45:28,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.47ms. Allocated memory is still 331.4MB. Free memory was 276.7MB in the beginning and 260.9MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-19 15:45:28,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.87ms. Allocated memory is still 331.4MB. Free memory was 260.9MB in the beginning and 256.8MB in the end (delta: 4.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 15:45:28,322 INFO L158 Benchmark]: Boogie Preprocessor took 54.18ms. Allocated memory is still 331.4MB. Free memory was 256.8MB in the beginning and 252.0MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 15:45:28,323 INFO L158 Benchmark]: RCFGBuilder took 514.96ms. Allocated memory is still 331.4MB. Free memory was 252.0MB in the beginning and 288.1MB in the end (delta: -36.0MB). Peak memory consumption was 30.5MB. Max. memory is 8.0GB. [2023-12-19 15:45:28,324 INFO L158 Benchmark]: TraceAbstraction took 13043.07ms. Allocated memory was 331.4MB in the beginning and 585.1MB in the end (delta: 253.8MB). Free memory was 287.0MB in the beginning and 366.0MB in the end (delta: -78.9MB). Peak memory consumption was 174.8MB. Max. memory is 8.0GB. [2023-12-19 15:45:28,326 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 209.7MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.47ms. Allocated memory is still 331.4MB. Free memory was 276.7MB in the beginning and 260.9MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.87ms. Allocated memory is still 331.4MB. Free memory was 260.9MB in the beginning and 256.8MB in the end (delta: 4.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.18ms. Allocated memory is still 331.4MB. Free memory was 256.8MB in the beginning and 252.0MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 514.96ms. Allocated memory is still 331.4MB. Free memory was 252.0MB in the beginning and 288.1MB in the end (delta: -36.0MB). Peak memory consumption was 30.5MB. Max. memory is 8.0GB. * TraceAbstraction took 13043.07ms. Allocated memory was 331.4MB in the beginning and 585.1MB in the end (delta: 253.8MB). Free memory was 287.0MB in the beginning and 366.0MB in the end (delta: -78.9MB). Peak memory consumption was 174.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 0, 16, 4, 0, 0, 55182, 0, 1, 1, 100, 2.25, 199.4, -128 }; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] FCALL updateLastVariables() [L115] CALL updateVariables() [L80] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L81] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L81] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L81] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L82] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L82] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] WrapperStruct00.var_1_4 = __VERIFIER_nondet_char() [L84] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L84] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L85] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L85] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] WrapperStruct00.var_1_5 = __VERIFIER_nondet_char() [L87] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] WrapperStruct00.var_1_6 = __VERIFIER_nondet_char() [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_10 = __VERIFIER_nondet_ushort() [L93] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_18 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_18 [L102] EXPR WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_18 [L102] EXPR WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_18 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] RET updateVariables() [L116] CALL step() [L58] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L58] COND FALSE !(! WrapperStruct00.var_1_2) [L61] EXPR WrapperStruct00.var_1_15 [L61] WrapperStruct00.var_1_12 = ((! WrapperStruct00.var_1_15) || (! (! 0))) [L63] EXPR WrapperStruct00.var_1_5 [L63] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_5 [L64] EXPR WrapperStruct00.var_1_18 [L64] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_18 [L65] EXPR WrapperStruct00.var_1_4 [L65] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_4 [L66] EXPR WrapperStruct00.var_1_12 [L66] WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) VAL [WrapperStruct00={4:0}, isInitial=1] [L66] WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) [L66] EXPR WrapperStruct00.var_1_17 [L66] WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) VAL [WrapperStruct00={4:0}, isInitial=1] [L66] COND TRUE WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) [L67] WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L67] COND FALSE !(WrapperStruct00.var_1_12) [L70] EXPR WrapperStruct00.var_1_4 [L70] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L70] EXPR ((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) [L70] EXPR WrapperStruct00.var_1_4 [L70] EXPR ((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) VAL [WrapperStruct00={4:0}, isInitial=1] [L70] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L70] EXPR ((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6) [L70] EXPR WrapperStruct00.var_1_6 [L70] EXPR ((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6) VAL [WrapperStruct00={4:0}, isInitial=1] [L70] WrapperStruct00.var_1_1 = ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6))) [L75] EXPR WrapperStruct00.var_1_17 [L75] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L75] EXPR (((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)) [L75] EXPR WrapperStruct00.var_1_17 [L75] EXPR (((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)) VAL [WrapperStruct00={4:0}, isInitial=1] [L75] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L75] COND FALSE !((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4)) [L107] EXPR WrapperStruct00.var_1_1 [L107] EXPR WrapperStruct00.var_1_4 [L107] EXPR (WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0)))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0)))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_4)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_4)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107-L108] return ((((((WrapperStruct00.var_1_12 || (64.75f < WrapperStruct00.var_1_17)) ? (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_1 == ((signed char) ((((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) < (WrapperStruct00.var_1_6)) ? (((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5)))) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_4))) && (((((((WrapperStruct00.var_1_17 * 127.75)) > ((WrapperStruct00.var_1_17 / 3.4))) ? ((WrapperStruct00.var_1_17 * 127.75)) : ((WrapperStruct00.var_1_17 / 3.4)))) >= WrapperStruct00.var_1_17) ? (WrapperStruct00.var_1_7 == ((unsigned short int) (((((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_16)) ? ((WrapperStruct00.var_1_10 - (22925 - WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_16))))) : 1)) && ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_12 == ((unsigned char) ((! WrapperStruct00.var_1_15) || (! (! 0))))))) && (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_17 == ((float) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed char) WrapperStruct00.var_1_4)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 19, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3304 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3268 mSDsluCounter, 6891 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4732 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5099 IncrementalHoareTripleChecker+Invalid, 5789 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 2159 mSDtfsCounter, 5099 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 970 GetRequests, 851 SyntacticMatches, 6 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=18, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 2006 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2410 NumberOfCodeBlocks, 2410 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2388 ConstructedInterpolants, 0 QuantifiedInterpolants, 6794 SizeOfPredicates, 11 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 20 InterpolantComputations, 17 PerfectInterpolantSequences, 8382/8400 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 15:45:28,349 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...