/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 15:01:16,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 15:01:16,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 15:01:16,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 15:01:16,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 15:01:16,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 15:01:16,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 15:01:16,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 15:01:16,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 15:01:16,593 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 15:01:16,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 15:01:16,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 15:01:16,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 15:01:16,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 15:01:16,595 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 15:01:16,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 15:01:16,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 15:01:16,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 15:01:16,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 15:01:16,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 15:01:16,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 15:01:16,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 15:01:16,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 15:01:16,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 15:01:16,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 15:01:16,596 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 15:01:16,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 15:01:16,597 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 15:01:16,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 15:01:16,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 15:01:16,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 15:01:16,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 15:01:16,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 15:01:16,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 15:01:16,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 15:01:16,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 15:01:16,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 15:01:16,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 15:01:16,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 15:01:16,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 15:01:16,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 15:01:16,819 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 15:01:16,819 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 15:01:16,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23.c [2023-12-20 15:01:17,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 15:01:18,035 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 15:01:18,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23.c [2023-12-20 15:01:18,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e4aa02b/fda5c8843dd44d86aabd7952d388f70b/FLAG1bfab35cf [2023-12-20 15:01:18,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e4aa02b/fda5c8843dd44d86aabd7952d388f70b [2023-12-20 15:01:18,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 15:01:18,062 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 15:01:18,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 15:01:18,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 15:01:18,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 15:01:18,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109fb62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18, skipping insertion in model container [2023-12-20 15:01:18,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 15:01:18,317 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23.c[20538,20551] [2023-12-20 15:01:18,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 15:01:18,375 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 15:01:18,439 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23.c[20538,20551] [2023-12-20 15:01:18,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 15:01:18,462 INFO L206 MainTranslator]: Completed translation [2023-12-20 15:01:18,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18 WrapperNode [2023-12-20 15:01:18,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 15:01:18,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 15:01:18,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 15:01:18,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 15:01:18,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,526 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-12-20 15:01:18,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 15:01:18,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 15:01:18,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 15:01:18,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 15:01:18,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,566 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-20 15:01:18,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 15:01:18,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 15:01:18,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 15:01:18,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 15:01:18,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (1/1) ... [2023-12-20 15:01:18,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 15:01:18,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 15:01:18,641 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) [2023-12-20 15:01:18,656 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 [2023-12-20 15:01:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 15:01:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 15:01:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 15:01:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 15:01:18,721 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 15:01:18,723 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 15:01:19,402 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 15:01:19,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 15:01:19,449 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 15:01:19,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:01:19 BoogieIcfgContainer [2023-12-20 15:01:19,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 15:01:19,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 15:01:19,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 15:01:19,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 15:01:19,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 03:01:18" (1/3) ... [2023-12-20 15:01:19,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12249e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:01:19, skipping insertion in model container [2023-12-20 15:01:19,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:01:18" (2/3) ... [2023-12-20 15:01:19,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12249e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:01:19, skipping insertion in model container [2023-12-20 15:01:19,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:01:19" (3/3) ... [2023-12-20 15:01:19,455 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23.c [2023-12-20 15:01:19,467 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 15:01:19,467 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 15:01:19,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 15:01:19,514 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;@3f3aff07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 15:01:19,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 15:01:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-20 15:01:19,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:19,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:19,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:19,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:19,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1381881502, now seen corresponding path program 1 times [2023-12-20 15:01:19,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:19,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637235070] [2023-12-20 15:01:19,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:19,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:01:19,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:19,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637235070] [2023-12-20 15:01:19,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637235070] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:19,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:19,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:01:19,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666057989] [2023-12-20 15:01:19,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:19,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 15:01:19,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:19,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 15:01:19,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 15:01:19,886 INFO L87 Difference]: Start difference. First operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:19,920 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-20 15:01:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 15:01:19,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2023-12-20 15:01:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:19,928 INFO L225 Difference]: With dead ends: 329 [2023-12-20 15:01:19,928 INFO L226 Difference]: Without dead ends: 163 [2023-12-20 15:01:19,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 15:01:19,933 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:19,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 15:01:19,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-20 15:01:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-20 15:01:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5308641975308641) internal successors, (248), 162 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-20 15:01:19,969 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 132 [2023-12-20 15:01:19,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:19,969 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-20 15:01:19,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-20 15:01:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-20 15:01:19,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:19,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:19,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 15:01:19,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:19,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:19,972 INFO L85 PathProgramCache]: Analyzing trace with hash 221199683, now seen corresponding path program 1 times [2023-12-20 15:01:19,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:19,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600891204] [2023-12-20 15:01:19,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:19,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:01:20,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:20,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600891204] [2023-12-20 15:01:20,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600891204] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:20,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:20,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:01:20,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996569090] [2023-12-20 15:01:20,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:20,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:20,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:20,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:20,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:20,252 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:20,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:20,674 INFO L93 Difference]: Finished difference Result 479 states and 734 transitions. [2023-12-20 15:01:20,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:20,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2023-12-20 15:01:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:20,680 INFO L225 Difference]: With dead ends: 479 [2023-12-20 15:01:20,680 INFO L226 Difference]: Without dead ends: 317 [2023-12-20 15:01:20,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:20,684 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 43 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:20,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 98 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 15:01:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-12-20 15:01:20,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 312. [2023-12-20 15:01:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.472668810289389) internal successors, (458), 311 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 458 transitions. [2023-12-20 15:01:20,708 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 458 transitions. Word has length 132 [2023-12-20 15:01:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:20,708 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 458 transitions. [2023-12-20 15:01:20,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 458 transitions. [2023-12-20 15:01:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-20 15:01:20,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:20,711 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:20,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 15:01:20,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:20,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:20,711 INFO L85 PathProgramCache]: Analyzing trace with hash -51356488, now seen corresponding path program 1 times [2023-12-20 15:01:20,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:20,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566027172] [2023-12-20 15:01:20,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:20,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:01:20,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:20,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566027172] [2023-12-20 15:01:20,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566027172] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:20,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:20,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:01:20,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029871935] [2023-12-20 15:01:20,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:20,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:20,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:20,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:20,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:20,925 INFO L87 Difference]: Start difference. First operand 312 states and 458 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:21,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:21,330 INFO L93 Difference]: Finished difference Result 909 states and 1340 transitions. [2023-12-20 15:01:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:21,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2023-12-20 15:01:21,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:21,333 INFO L225 Difference]: With dead ends: 909 [2023-12-20 15:01:21,333 INFO L226 Difference]: Without dead ends: 598 [2023-12-20 15:01:21,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:21,336 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:21,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 113 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 15:01:21,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2023-12-20 15:01:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 595. [2023-12-20 15:01:21,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.297979797979798) internal successors, (771), 594 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 771 transitions. [2023-12-20 15:01:21,349 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 771 transitions. Word has length 136 [2023-12-20 15:01:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:21,349 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 771 transitions. [2023-12-20 15:01:21,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 771 transitions. [2023-12-20 15:01:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-20 15:01:21,352 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:21,353 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:21,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 15:01:21,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:21,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1899648381, now seen corresponding path program 1 times [2023-12-20 15:01:21,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:21,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801181836] [2023-12-20 15:01:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:01:21,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:21,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801181836] [2023-12-20 15:01:21,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801181836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:21,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:21,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:01:21,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796376019] [2023-12-20 15:01:21,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:21,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:21,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:21,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:21,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:21,519 INFO L87 Difference]: Start difference. First operand 595 states and 771 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:21,854 INFO L93 Difference]: Finished difference Result 1476 states and 1966 transitions. [2023-12-20 15:01:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:21,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2023-12-20 15:01:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:21,857 INFO L225 Difference]: With dead ends: 1476 [2023-12-20 15:01:21,857 INFO L226 Difference]: Without dead ends: 882 [2023-12-20 15:01:21,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:21,865 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 144 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:21,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 252 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2023-12-20 15:01:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 879. [2023-12-20 15:01:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 878 states have (on average 1.2357630979498861) internal successors, (1085), 878 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1085 transitions. [2023-12-20 15:01:21,885 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1085 transitions. Word has length 141 [2023-12-20 15:01:21,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:21,885 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1085 transitions. [2023-12-20 15:01:21,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1085 transitions. [2023-12-20 15:01:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-20 15:01:21,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:21,893 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:21,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 15:01:21,893 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:21,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash 113411282, now seen corresponding path program 1 times [2023-12-20 15:01:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:21,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737172936] [2023-12-20 15:01:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:01:22,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:22,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737172936] [2023-12-20 15:01:22,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737172936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:22,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:22,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:01:22,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522075306] [2023-12-20 15:01:22,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:22,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:22,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:22,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:22,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:22,021 INFO L87 Difference]: Start difference. First operand 879 states and 1085 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:22,365 INFO L93 Difference]: Finished difference Result 2180 states and 2700 transitions. [2023-12-20 15:01:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:22,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2023-12-20 15:01:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:22,369 INFO L225 Difference]: With dead ends: 2180 [2023-12-20 15:01:22,369 INFO L226 Difference]: Without dead ends: 1302 [2023-12-20 15:01:22,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:22,370 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 16 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:22,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 267 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:22,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2023-12-20 15:01:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1299. [2023-12-20 15:01:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 1298 states have (on average 1.1864406779661016) internal successors, (1540), 1298 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1540 transitions. [2023-12-20 15:01:22,386 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1540 transitions. Word has length 141 [2023-12-20 15:01:22,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:22,387 INFO L495 AbstractCegarLoop]: Abstraction has 1299 states and 1540 transitions. [2023-12-20 15:01:22,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1540 transitions. [2023-12-20 15:01:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-20 15:01:22,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:22,389 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:22,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 15:01:22,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:22,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:22,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1556313276, now seen corresponding path program 1 times [2023-12-20 15:01:22,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:22,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166985920] [2023-12-20 15:01:22,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:22,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-20 15:01:22,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166985920] [2023-12-20 15:01:22,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166985920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:22,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:22,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:01:22,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281664618] [2023-12-20 15:01:22,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:22,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:22,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:22,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:22,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:22,451 INFO L87 Difference]: Start difference. First operand 1299 states and 1540 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:22,780 INFO L93 Difference]: Finished difference Result 3297 states and 3955 transitions. [2023-12-20 15:01:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:22,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2023-12-20 15:01:22,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:22,785 INFO L225 Difference]: With dead ends: 3297 [2023-12-20 15:01:22,786 INFO L226 Difference]: Without dead ends: 1999 [2023-12-20 15:01:22,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:22,788 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 174 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:22,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 97 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:22,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2023-12-20 15:01:22,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1999. [2023-12-20 15:01:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1998 states have (on average 1.1686686686686687) internal successors, (2335), 1998 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2335 transitions. [2023-12-20 15:01:22,823 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2335 transitions. Word has length 146 [2023-12-20 15:01:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:22,824 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 2335 transitions. [2023-12-20 15:01:22,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2335 transitions. [2023-12-20 15:01:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-20 15:01:22,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:22,827 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:22,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 15:01:22,827 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:22,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:22,828 INFO L85 PathProgramCache]: Analyzing trace with hash 51815168, now seen corresponding path program 1 times [2023-12-20 15:01:22,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:22,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830516216] [2023-12-20 15:01:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-20 15:01:22,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830516216] [2023-12-20 15:01:22,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830516216] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:22,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:22,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:01:22,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402685581] [2023-12-20 15:01:22,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:22,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:22,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:22,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:22,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:22,933 INFO L87 Difference]: Start difference. First operand 1999 states and 2335 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:23,261 INFO L93 Difference]: Finished difference Result 5256 states and 6195 transitions. [2023-12-20 15:01:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:23,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2023-12-20 15:01:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:23,270 INFO L225 Difference]: With dead ends: 5256 [2023-12-20 15:01:23,271 INFO L226 Difference]: Without dead ends: 3258 [2023-12-20 15:01:23,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:23,274 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 85 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:23,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 42 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2023-12-20 15:01:23,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 2278. [2023-12-20 15:01:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 2277 states have (on average 1.2024593763724198) internal successors, (2738), 2277 states have internal predecessors, (2738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 2738 transitions. [2023-12-20 15:01:23,310 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 2738 transitions. Word has length 162 [2023-12-20 15:01:23,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:23,311 INFO L495 AbstractCegarLoop]: Abstraction has 2278 states and 2738 transitions. [2023-12-20 15:01:23,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2738 transitions. [2023-12-20 15:01:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-20 15:01:23,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:23,315 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:23,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 15:01:23,315 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:23,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1964070487, now seen corresponding path program 1 times [2023-12-20 15:01:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:23,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96113] [2023-12-20 15:01:23,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-20 15:01:23,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:23,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96113] [2023-12-20 15:01:23,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:23,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:23,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:01:23,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954713916] [2023-12-20 15:01:23,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:23,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:23,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:23,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:23,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:23,408 INFO L87 Difference]: Start difference. First operand 2278 states and 2738 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:23,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:23,704 INFO L93 Difference]: Finished difference Result 4557 states and 5477 transitions. [2023-12-20 15:01:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:23,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2023-12-20 15:01:23,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:23,711 INFO L225 Difference]: With dead ends: 4557 [2023-12-20 15:01:23,711 INFO L226 Difference]: Without dead ends: 2280 [2023-12-20 15:01:23,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:23,714 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 161 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:23,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 56 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:23,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2023-12-20 15:01:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2138. [2023-12-20 15:01:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2138 states, 2137 states have (on average 1.182966775854001) internal successors, (2528), 2137 states have internal predecessors, (2528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 2528 transitions. [2023-12-20 15:01:23,743 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 2528 transitions. Word has length 187 [2023-12-20 15:01:23,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:23,743 INFO L495 AbstractCegarLoop]: Abstraction has 2138 states and 2528 transitions. [2023-12-20 15:01:23,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2528 transitions. [2023-12-20 15:01:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-20 15:01:23,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:23,747 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:23,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 15:01:23,747 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:23,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1860147341, now seen corresponding path program 1 times [2023-12-20 15:01:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:23,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584023883] [2023-12-20 15:01:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:23,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-20 15:01:23,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:23,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584023883] [2023-12-20 15:01:23,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584023883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:23,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:23,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:01:23,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416350781] [2023-12-20 15:01:23,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:23,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:23,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:23,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:23,834 INFO L87 Difference]: Start difference. First operand 2138 states and 2528 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:24,128 INFO L93 Difference]: Finished difference Result 3994 states and 4729 transitions. [2023-12-20 15:01:24,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:24,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2023-12-20 15:01:24,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:24,133 INFO L225 Difference]: With dead ends: 3994 [2023-12-20 15:01:24,133 INFO L226 Difference]: Without dead ends: 1857 [2023-12-20 15:01:24,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:24,139 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 144 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:24,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 269 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2023-12-20 15:01:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1852. [2023-12-20 15:01:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1852 states, 1851 states have (on average 1.1491085899513775) internal successors, (2127), 1851 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2127 transitions. [2023-12-20 15:01:24,162 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2127 transitions. Word has length 191 [2023-12-20 15:01:24,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:24,162 INFO L495 AbstractCegarLoop]: Abstraction has 1852 states and 2127 transitions. [2023-12-20 15:01:24,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2127 transitions. [2023-12-20 15:01:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-20 15:01:24,165 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:24,166 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:24,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 15:01:24,166 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:24,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:24,166 INFO L85 PathProgramCache]: Analyzing trace with hash -917919341, now seen corresponding path program 1 times [2023-12-20 15:01:24,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:24,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095188116] [2023-12-20 15:01:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:24,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-20 15:01:24,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:24,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095188116] [2023-12-20 15:01:24,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095188116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:24,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:24,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:01:24,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887852485] [2023-12-20 15:01:24,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:24,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:24,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:24,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:24,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:24,250 INFO L87 Difference]: Start difference. First operand 1852 states and 2127 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:24,444 INFO L93 Difference]: Finished difference Result 3268 states and 3786 transitions. [2023-12-20 15:01:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:24,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2023-12-20 15:01:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:24,447 INFO L225 Difference]: With dead ends: 3268 [2023-12-20 15:01:24,447 INFO L226 Difference]: Without dead ends: 1275 [2023-12-20 15:01:24,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:24,450 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 187 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:24,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 18 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 15:01:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2023-12-20 15:01:24,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1275. [2023-12-20 15:01:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1274 states have (on average 1.1271585557299844) internal successors, (1436), 1274 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1436 transitions. [2023-12-20 15:01:24,466 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1436 transitions. Word has length 201 [2023-12-20 15:01:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:24,466 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 1436 transitions. [2023-12-20 15:01:24,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1436 transitions. [2023-12-20 15:01:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-20 15:01:24,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:24,469 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:24,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 15:01:24,469 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:24,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:24,470 INFO L85 PathProgramCache]: Analyzing trace with hash -716578695, now seen corresponding path program 1 times [2023-12-20 15:01:24,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:24,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261925482] [2023-12-20 15:01:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:24,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-20 15:01:24,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:24,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261925482] [2023-12-20 15:01:24,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261925482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:24,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:24,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:01:24,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85379227] [2023-12-20 15:01:24,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:24,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:24,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:24,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:24,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:24,559 INFO L87 Difference]: Start difference. First operand 1275 states and 1436 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:24,855 INFO L93 Difference]: Finished difference Result 2831 states and 3232 transitions. [2023-12-20 15:01:24,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:24,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2023-12-20 15:01:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:24,860 INFO L225 Difference]: With dead ends: 2831 [2023-12-20 15:01:24,860 INFO L226 Difference]: Without dead ends: 1697 [2023-12-20 15:01:24,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:24,862 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 131 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:24,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 183 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2023-12-20 15:01:24,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1696. [2023-12-20 15:01:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.1227138643067847) internal successors, (1903), 1695 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 1903 transitions. [2023-12-20 15:01:24,915 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 1903 transitions. Word has length 230 [2023-12-20 15:01:24,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:24,915 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 1903 transitions. [2023-12-20 15:01:24,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 1903 transitions. [2023-12-20 15:01:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-20 15:01:24,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:24,922 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:24,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 15:01:24,922 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:24,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:24,923 INFO L85 PathProgramCache]: Analyzing trace with hash -768517619, now seen corresponding path program 1 times [2023-12-20 15:01:24,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:24,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675192931] [2023-12-20 15:01:24,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:24,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-20 15:01:24,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:24,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675192931] [2023-12-20 15:01:24,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675192931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:24,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:01:24,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:01:24,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365075883] [2023-12-20 15:01:24,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:24,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:24,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:24,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:24,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:24,994 INFO L87 Difference]: Start difference. First operand 1696 states and 1903 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:25,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:25,278 INFO L93 Difference]: Finished difference Result 3810 states and 4286 transitions. [2023-12-20 15:01:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:25,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2023-12-20 15:01:25,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:25,284 INFO L225 Difference]: With dead ends: 3810 [2023-12-20 15:01:25,284 INFO L226 Difference]: Without dead ends: 2255 [2023-12-20 15:01:25,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:01:25,286 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 145 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:25,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 31 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:01:25,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2023-12-20 15:01:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 1695. [2023-12-20 15:01:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1694 states have (on average 1.1221959858323494) internal successors, (1901), 1694 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 1901 transitions. [2023-12-20 15:01:25,309 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 1901 transitions. Word has length 230 [2023-12-20 15:01:25,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:25,310 INFO L495 AbstractCegarLoop]: Abstraction has 1695 states and 1901 transitions. [2023-12-20 15:01:25,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1901 transitions. [2023-12-20 15:01:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-20 15:01:25,313 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:01:25,314 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:25,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 15:01:25,314 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:01:25,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:01:25,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1541008392, now seen corresponding path program 1 times [2023-12-20 15:01:25,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:01:25,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537105959] [2023-12-20 15:01:25,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:25,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:01:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:01:25,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:01:25,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537105959] [2023-12-20 15:01:25,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537105959] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 15:01:25,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820407338] [2023-12-20 15:01:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:01:25,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 15:01:25,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 15:01:25,596 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) [2023-12-20 15:01:25,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 15:01:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:01:25,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 15:01:25,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 15:01:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-20 15:01:25,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 15:01:25,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820407338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:01:25,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 15:01:25,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 15:01:25,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997030132] [2023-12-20 15:01:25,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:01:25,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:01:25,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:01:25,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:01:25,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-20 15:01:25,839 INFO L87 Difference]: Start difference. First operand 1695 states and 1901 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:26,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:01:26,107 INFO L93 Difference]: Finished difference Result 3246 states and 3654 transitions. [2023-12-20 15:01:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:01:26,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2023-12-20 15:01:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:01:26,108 INFO L225 Difference]: With dead ends: 3246 [2023-12-20 15:01:26,108 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 15:01:26,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-20 15:01:26,111 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 26 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 15:01:26,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 192 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 15:01:26,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 15:01:26,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 15:01:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 15:01:26,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2023-12-20 15:01:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:01:26,112 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 15:01:26,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:01:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 15:01:26,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 15:01:26,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 15:01:26,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 15:01:26,320 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,SelfDestructingSolverStorable12 [2023-12-20 15:01:26,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 15:01:26,601 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,601 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,601 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,602 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-20 15:01:26,602 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-20 15:01:26,602 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-20 15:01:26,602 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-20 15:01:26,603 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,604 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,605 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-20 15:01:26,606 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-20 15:01:26,607 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,608 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-20 15:01:26,609 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-20 15:01:26,610 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,611 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,611 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-20 15:01:26,611 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-20 15:01:26,611 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-20 15:01:26,611 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a11~0 1))) (let ((.cse5 (<= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse10 (not .cse3)) (.cse1 (= ~a19~0 1)) (.cse6 (= ~a25~0 0)) (.cse9 (<= 9 ~a28~0)) (.cse2 (= ~a25~0 1)) (.cse4 (<= ~a17~0 8)) (.cse7 (<= ~a28~0 10)) (.cse8 (<= ~a19~0 0))) (or (and .cse0 (= ~a28~0 10) .cse1) (and .cse2 .cse3 .cse4 .cse1 .cse5) (and .cse0 (= ~a11~0 0) .cse1 .cse6 .cse5) (and .cse4 .cse7 .cse6 .cse8) (and .cse0 .cse9 .cse2 .cse7 .cse1) (and .cse0 .cse2 .cse1 .cse10) (and .cse0 .cse2 .cse7 .cse10 .cse8) (and (<= 11 ~a28~0) .cse2 .cse4 .cse1 .cse10) (and .cse9 .cse4 .cse7 .cse1 .cse6) (and .cse9 .cse2 .cse4 .cse7 .cse8)))) [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,614 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-20 15:01:26,615 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,616 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,616 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,616 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:01:26,616 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-20 15:01:26,616 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-20 15:01:26,616 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-20 15:01:26,618 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:01:26,619 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 15:01:26,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 03:01:26 BoogieIcfgContainer [2023-12-20 15:01:26,635 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 15:01:26,636 INFO L158 Benchmark]: Toolchain (without parser) took 8573.89ms. Allocated memory was 323.0MB in the beginning and 557.8MB in the end (delta: 234.9MB). Free memory was 268.3MB in the beginning and 377.1MB in the end (delta: -108.8MB). Peak memory consumption was 126.5MB. Max. memory is 8.0GB. [2023-12-20 15:01:26,636 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 15:01:26,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.01ms. Allocated memory is still 323.0MB. Free memory was 267.8MB in the beginning and 240.8MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-20 15:01:26,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.80ms. Allocated memory is still 323.0MB. Free memory was 240.8MB in the beginning and 235.3MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 15:01:26,637 INFO L158 Benchmark]: Boogie Preprocessor took 91.88ms. Allocated memory is still 323.0MB. Free memory was 235.3MB in the beginning and 230.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 15:01:26,637 INFO L158 Benchmark]: RCFGBuilder took 829.94ms. Allocated memory is still 323.0MB. Free memory was 230.0MB in the beginning and 236.6MB in the end (delta: -6.5MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. [2023-12-20 15:01:26,637 INFO L158 Benchmark]: TraceAbstraction took 7184.60ms. Allocated memory was 323.0MB in the beginning and 557.8MB in the end (delta: 234.9MB). Free memory was 235.5MB in the beginning and 377.1MB in the end (delta: -141.5MB). Peak memory consumption was 92.8MB. Max. memory is 8.0GB. [2023-12-20 15:01:26,638 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.01ms. Allocated memory is still 323.0MB. Free memory was 267.8MB in the beginning and 240.8MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.80ms. Allocated memory is still 323.0MB. Free memory was 240.8MB in the beginning and 235.3MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 91.88ms. Allocated memory is still 323.0MB. Free memory was 235.3MB in the beginning and 230.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 829.94ms. Allocated memory is still 323.0MB. Free memory was 230.0MB in the beginning and 236.6MB in the end (delta: -6.5MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. * TraceAbstraction took 7184.60ms. Allocated memory was 323.0MB in the beginning and 557.8MB in the end (delta: 234.9MB). Free memory was 235.5MB in the beginning and 377.1MB in the end (delta: -141.5MB). Peak memory consumption was 92.8MB. 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 - PositiveResult [Line: 581]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1399 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1399 mSDsluCounter, 1866 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 714 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4123 IncrementalHoareTripleChecker+Invalid, 4837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 714 mSolverCounterUnsat, 1713 mSDtfsCounter, 4123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2278occurred in iteration=7, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1702 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 14 NumberOfFragments, 152 HoareAnnotationTreeSize, 1 FormulaSimplifications, 81 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 263 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2489 NumberOfCodeBlocks, 2489 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2475 ConstructedInterpolants, 0 QuantifiedInterpolants, 5868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 355 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 954/1012 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((a17 == 8) && (a28 == 10)) && (a19 == 1)) || (((((a25 == 1) && (a11 == 1)) && (a17 <= 8)) && (a19 == 1)) && (a28 <= 7))) || (((((a17 == 8) && (a11 == 0)) && (a19 == 1)) && (a25 == 0)) && (a28 <= 7))) || ((((a17 <= 8) && (a28 <= 10)) && (a25 == 0)) && (a19 <= 0))) || (((((a17 == 8) && (9 <= a28)) && (a25 == 1)) && (a28 <= 10)) && (a19 == 1))) || ((((a17 == 8) && (a25 == 1)) && (a19 == 1)) && !((a11 == 1)))) || (((((a17 == 8) && (a25 == 1)) && (a28 <= 10)) && !((a11 == 1))) && (a19 <= 0))) || (((((11 <= a28) && (a25 == 1)) && (a17 <= 8)) && (a19 == 1)) && !((a11 == 1)))) || (((((9 <= a28) && (a17 <= 8)) && (a28 <= 10)) && (a19 == 1)) && (a25 == 0))) || (((((9 <= a28) && (a25 == 1)) && (a17 <= 8)) && (a28 <= 10)) && (a19 <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-20 15:01:26,657 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...