/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/Problem01_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:14:53,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:14:53,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:14:53,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:14:53,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:14:54,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:14:54,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:14:54,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:14:54,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:14:54,025 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:14:54,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:14:54,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:14:54,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:14:54,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:14:54,027 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:14:54,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:14:54,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:14:54,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:14:54,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:14:54,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:14:54,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:14:54,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:14:54,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:14:54,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:14:54,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:14:54,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:14:54,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:14:54,029 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:14:54,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:14:54,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:14:54,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:14:54,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:14:54,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:14:54,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:14:54,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:14:54,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:14:54,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:14:54,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:14:54,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:14:54,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:14:54,228 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:14:54,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2023-12-16 01:14:55,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:14:55,518 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:14:55,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2023-12-16 01:14:55,526 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99ff4ef8/4ef26905ed0240c19ef2173f9fc17a98/FLAG8c297b822 [2023-12-16 01:14:55,536 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99ff4ef8/4ef26905ed0240c19ef2173f9fc17a98 [2023-12-16 01:14:55,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:14:55,539 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:14:55,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:14:55,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:14:55,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:14:55,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:55,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55679eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55, skipping insertion in model container [2023-12-16 01:14:55,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:55,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:14:55,802 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/Problem01_label27.c[16500,16513] [2023-12-16 01:14:55,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:14:55,836 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:14:55,901 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/Problem01_label27.c[16500,16513] [2023-12-16 01:14:55,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:14:55,923 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:14:55,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55 WrapperNode [2023-12-16 01:14:55,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:14:55,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:14:55,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:14:55,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:14:55,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:55,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:55,986 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 658 [2023-12-16 01:14:55,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:14:55,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:14:55,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:14:55,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:14:55,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:55,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,011 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,026 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]. [2023-12-16 01:14:56,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:14:56,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:14:56,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:14:56,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:14:56,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (1/1) ... [2023-12-16 01:14:56,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:14:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:14:56,093 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) [2023-12-16 01:14:56,112 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 [2023-12-16 01:14:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:14:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:14:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:14:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:14:56,181 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:14:56,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:14:56,804 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:14:56,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:14:56,848 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 01:14:56,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:14:56 BoogieIcfgContainer [2023-12-16 01:14:56,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:14:56,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:14:56,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:14:56,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:14:56,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:14:55" (1/3) ... [2023-12-16 01:14:56,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23591c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:14:56, skipping insertion in model container [2023-12-16 01:14:56,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:14:55" (2/3) ... [2023-12-16 01:14:56,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23591c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:14:56, skipping insertion in model container [2023-12-16 01:14:56,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:14:56" (3/3) ... [2023-12-16 01:14:56,855 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label27.c [2023-12-16 01:14:56,867 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:14:56,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 01:14:56,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:14:56,910 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;@8994f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:14:56,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 01:14:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 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) [2023-12-16 01:14:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-16 01:14:56,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:56,922 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] [2023-12-16 01:14:56,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:56,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:56,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1195935613, now seen corresponding path program 1 times [2023-12-16 01:14:56,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:56,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562284241] [2023-12-16 01:14:56,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:56,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:57,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562284241] [2023-12-16 01:14:57,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562284241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:14:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144699956] [2023-12-16 01:14:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:57,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 01:14:57,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:57,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 01:14:57,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:14:57,183 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 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 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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) [2023-12-16 01:14:57,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:57,216 INFO L93 Difference]: Finished difference Result 271 states and 529 transitions. [2023-12-16 01:14:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 01:14:57,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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 87 [2023-12-16 01:14:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:57,224 INFO L225 Difference]: With dead ends: 271 [2023-12-16 01:14:57,225 INFO L226 Difference]: Without dead ends: 134 [2023-12-16 01:14:57,227 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 [2023-12-16 01:14:57,229 INFO L413 NwaCegarLoop]: 200 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, 200 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 [2023-12-16 01:14:57,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:14:57,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-12-16 01:14:57,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-12-16 01:14:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.5037593984962405) internal successors, (200), 133 states have internal predecessors, (200), 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) [2023-12-16 01:14:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 200 transitions. [2023-12-16 01:14:57,266 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 200 transitions. Word has length 87 [2023-12-16 01:14:57,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:57,266 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 200 transitions. [2023-12-16 01:14:57,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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) [2023-12-16 01:14:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 200 transitions. [2023-12-16 01:14:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-16 01:14:57,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:57,268 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] [2023-12-16 01:14:57,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:14:57,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:57,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:57,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1647776047, now seen corresponding path program 1 times [2023-12-16 01:14:57,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:57,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222941516] [2023-12-16 01:14:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:57,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:57,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222941516] [2023-12-16 01:14:57,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222941516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:57,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:57,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:14:57,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956684007] [2023-12-16 01:14:57,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:57,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:14:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:57,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:14:57,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:14:57,411 INFO L87 Difference]: Start difference. First operand 134 states and 200 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 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) [2023-12-16 01:14:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:57,817 INFO L93 Difference]: Finished difference Result 398 states and 597 transitions. [2023-12-16 01:14:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:14:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 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 87 [2023-12-16 01:14:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:57,819 INFO L225 Difference]: With dead ends: 398 [2023-12-16 01:14:57,819 INFO L226 Difference]: Without dead ends: 265 [2023-12-16 01:14:57,820 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 [2023-12-16 01:14:57,821 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:57,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 29 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 01:14:57,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-16 01:14:57,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2023-12-16 01:14:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 1.4356060606060606) internal successors, (379), 264 states have internal predecessors, (379), 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) [2023-12-16 01:14:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 379 transitions. [2023-12-16 01:14:57,848 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 379 transitions. Word has length 87 [2023-12-16 01:14:57,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:57,849 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 379 transitions. [2023-12-16 01:14:57,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 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) [2023-12-16 01:14:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 379 transitions. [2023-12-16 01:14:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 01:14:57,851 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:57,851 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 01:14:57,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:14:57,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:57,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:57,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2104496967, now seen corresponding path program 1 times [2023-12-16 01:14:57,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:57,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610773759] [2023-12-16 01:14:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:57,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:57,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610773759] [2023-12-16 01:14:57,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610773759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:57,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:57,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:14:57,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397233591] [2023-12-16 01:14:57,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:57,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:14:57,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:57,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:14:57,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:14:57,961 INFO L87 Difference]: Start difference. First operand 265 states and 379 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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) [2023-12-16 01:14:58,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:58,284 INFO L93 Difference]: Finished difference Result 791 states and 1134 transitions. [2023-12-16 01:14:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:14:58,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 92 [2023-12-16 01:14:58,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:58,290 INFO L225 Difference]: With dead ends: 791 [2023-12-16 01:14:58,290 INFO L226 Difference]: Without dead ends: 527 [2023-12-16 01:14:58,294 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 [2023-12-16 01:14:58,297 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:58,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 27 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:14:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-12-16 01:14:58,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2023-12-16 01:14:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.3688212927756653) internal successors, (720), 526 states have internal predecessors, (720), 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) [2023-12-16 01:14:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 720 transitions. [2023-12-16 01:14:58,328 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 720 transitions. Word has length 92 [2023-12-16 01:14:58,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:58,329 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 720 transitions. [2023-12-16 01:14:58,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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) [2023-12-16 01:14:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 720 transitions. [2023-12-16 01:14:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 01:14:58,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:58,331 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] [2023-12-16 01:14:58,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 01:14:58,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:58,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:58,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1108126397, now seen corresponding path program 1 times [2023-12-16 01:14:58,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:58,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360342692] [2023-12-16 01:14:58,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:58,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:58,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:58,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360342692] [2023-12-16 01:14:58,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360342692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:58,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:58,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:14:58,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490511640] [2023-12-16 01:14:58,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:58,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:14:58,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:58,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:14:58,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:14:58,456 INFO L87 Difference]: Start difference. First operand 527 states and 720 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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) [2023-12-16 01:14:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:58,787 INFO L93 Difference]: Finished difference Result 1446 states and 1978 transitions. [2023-12-16 01:14:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:14:58,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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 96 [2023-12-16 01:14:58,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:58,790 INFO L225 Difference]: With dead ends: 1446 [2023-12-16 01:14:58,790 INFO L226 Difference]: Without dead ends: 920 [2023-12-16 01:14:58,791 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 [2023-12-16 01:14:58,791 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:58,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 15 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:14:58,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2023-12-16 01:14:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2023-12-16 01:14:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 919 states have (on average 1.3438520130576714) internal successors, (1235), 919 states have internal predecessors, (1235), 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) [2023-12-16 01:14:58,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1235 transitions. [2023-12-16 01:14:58,808 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1235 transitions. Word has length 96 [2023-12-16 01:14:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:58,808 INFO L495 AbstractCegarLoop]: Abstraction has 920 states and 1235 transitions. [2023-12-16 01:14:58,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 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) [2023-12-16 01:14:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1235 transitions. [2023-12-16 01:14:58,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-16 01:14:58,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:58,810 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 01:14:58,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 01:14:58,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:58,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1826722355, now seen corresponding path program 1 times [2023-12-16 01:14:58,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:58,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362051474] [2023-12-16 01:14:58,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:58,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:58,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362051474] [2023-12-16 01:14:58,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362051474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:58,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:58,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:14:58,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965716719] [2023-12-16 01:14:58,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:58,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:14:58,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:58,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:14:58,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:14:58,928 INFO L87 Difference]: Start difference. First operand 920 states and 1235 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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) [2023-12-16 01:14:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:59,213 INFO L93 Difference]: Finished difference Result 1839 states and 2469 transitions. [2023-12-16 01:14:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:14:59,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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 100 [2023-12-16 01:14:59,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:59,216 INFO L225 Difference]: With dead ends: 1839 [2023-12-16 01:14:59,216 INFO L226 Difference]: Without dead ends: 920 [2023-12-16 01:14:59,217 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 [2023-12-16 01:14:59,218 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 129 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:59,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 59 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:14:59,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2023-12-16 01:14:59,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2023-12-16 01:14:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 919 states have (on average 1.3307943416757344) internal successors, (1223), 919 states have internal predecessors, (1223), 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) [2023-12-16 01:14:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1223 transitions. [2023-12-16 01:14:59,232 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1223 transitions. Word has length 100 [2023-12-16 01:14:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:59,232 INFO L495 AbstractCegarLoop]: Abstraction has 920 states and 1223 transitions. [2023-12-16 01:14:59,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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) [2023-12-16 01:14:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1223 transitions. [2023-12-16 01:14:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-16 01:14:59,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:59,233 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 01:14:59,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 01:14:59,234 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:59,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:59,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1818534894, now seen corresponding path program 1 times [2023-12-16 01:14:59,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:59,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131648437] [2023-12-16 01:14:59,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:59,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:59,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:59,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131648437] [2023-12-16 01:14:59,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131648437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:59,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:59,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:14:59,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775820403] [2023-12-16 01:14:59,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:59,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:14:59,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:59,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:14:59,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:14:59,333 INFO L87 Difference]: Start difference. First operand 920 states and 1223 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2023-12-16 01:14:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:59,624 INFO L93 Difference]: Finished difference Result 2232 states and 2922 transitions. [2023-12-16 01:14:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:14:59,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 102 [2023-12-16 01:14:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:59,629 INFO L225 Difference]: With dead ends: 2232 [2023-12-16 01:14:59,629 INFO L226 Difference]: Without dead ends: 1313 [2023-12-16 01:14:59,630 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 [2023-12-16 01:14:59,631 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:59,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 60 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:14:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2023-12-16 01:14:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1182. [2023-12-16 01:14:59,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1181 states have (on average 1.2828111769686705) internal successors, (1515), 1181 states have internal predecessors, (1515), 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) [2023-12-16 01:14:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1515 transitions. [2023-12-16 01:14:59,650 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1515 transitions. Word has length 102 [2023-12-16 01:14:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:59,650 INFO L495 AbstractCegarLoop]: Abstraction has 1182 states and 1515 transitions. [2023-12-16 01:14:59,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2023-12-16 01:14:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1515 transitions. [2023-12-16 01:14:59,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 01:14:59,651 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:59,652 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-16 01:14:59,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 01:14:59,652 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:59,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1384836790, now seen corresponding path program 1 times [2023-12-16 01:14:59,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:59,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744754038] [2023-12-16 01:14:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:59,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:59,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744754038] [2023-12-16 01:14:59,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744754038] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:59,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:59,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:14:59,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975666159] [2023-12-16 01:14:59,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:59,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:14:59,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:59,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:14:59,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:14:59,761 INFO L87 Difference]: Start difference. First operand 1182 states and 1515 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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) [2023-12-16 01:15:00,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:00,183 INFO L93 Difference]: Finished difference Result 2756 states and 3470 transitions. [2023-12-16 01:15:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:15:00,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2023-12-16 01:15:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:00,187 INFO L225 Difference]: With dead ends: 2756 [2023-12-16 01:15:00,187 INFO L226 Difference]: Without dead ends: 1575 [2023-12-16 01:15:00,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:15:00,190 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 258 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:00,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 58 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 01:15:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2023-12-16 01:15:00,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1444. [2023-12-16 01:15:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1443 states have (on average 1.248094248094248) internal successors, (1801), 1443 states have internal predecessors, (1801), 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) [2023-12-16 01:15:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1801 transitions. [2023-12-16 01:15:00,210 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1801 transitions. Word has length 106 [2023-12-16 01:15:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:00,210 INFO L495 AbstractCegarLoop]: Abstraction has 1444 states and 1801 transitions. [2023-12-16 01:15:00,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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) [2023-12-16 01:15:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1801 transitions. [2023-12-16 01:15:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-16 01:15:00,213 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:15:00,214 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, 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] [2023-12-16 01:15:00,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 01:15:00,214 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:15:00,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:15:00,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1010987273, now seen corresponding path program 1 times [2023-12-16 01:15:00,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:15:00,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573895521] [2023-12-16 01:15:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:00,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:15:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:15:00,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:15:00,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573895521] [2023-12-16 01:15:00,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573895521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:15:00,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:15:00,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:15:00,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418913158] [2023-12-16 01:15:00,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:15:00,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:15:00,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:15:00,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:15:00,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:15:00,371 INFO L87 Difference]: Start difference. First operand 1444 states and 1801 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2023-12-16 01:15:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:00,658 INFO L93 Difference]: Finished difference Result 3018 states and 3738 transitions. [2023-12-16 01:15:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:15:00,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 124 [2023-12-16 01:15:00,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:00,664 INFO L225 Difference]: With dead ends: 3018 [2023-12-16 01:15:00,664 INFO L226 Difference]: Without dead ends: 1575 [2023-12-16 01:15:00,665 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 [2023-12-16 01:15:00,666 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 47 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:00,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 190 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:15:00,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2023-12-16 01:15:00,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1444. [2023-12-16 01:15:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1443 states have (on average 1.205128205128205) internal successors, (1739), 1443 states have internal predecessors, (1739), 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) [2023-12-16 01:15:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1739 transitions. [2023-12-16 01:15:00,684 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1739 transitions. Word has length 124 [2023-12-16 01:15:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:00,685 INFO L495 AbstractCegarLoop]: Abstraction has 1444 states and 1739 transitions. [2023-12-16 01:15:00,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2023-12-16 01:15:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1739 transitions. [2023-12-16 01:15:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-16 01:15:00,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:15:00,687 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-12-16 01:15:00,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 01:15:00,687 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:15:00,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:15:00,687 INFO L85 PathProgramCache]: Analyzing trace with hash -970125034, now seen corresponding path program 1 times [2023-12-16 01:15:00,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:15:00,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542281862] [2023-12-16 01:15:00,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:00,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:15:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-16 01:15:00,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:15:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542281862] [2023-12-16 01:15:00,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542281862] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:15:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344171178] [2023-12-16 01:15:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:00,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:00,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:15:00,825 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) [2023-12-16 01:15:00,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 01:15:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:00,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:15:00,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:15:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-16 01:15:01,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:15:01,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344171178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:15:01,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:15:01,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-12-16 01:15:01,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230848185] [2023-12-16 01:15:01,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:15:01,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:15:01,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:15:01,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:15:01,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:15:01,095 INFO L87 Difference]: Start difference. First operand 1444 states and 1739 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-12-16 01:15:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:01,372 INFO L93 Difference]: Finished difference Result 2232 states and 2641 transitions. [2023-12-16 01:15:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:15:01,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 137 [2023-12-16 01:15:01,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:01,378 INFO L225 Difference]: With dead ends: 2232 [2023-12-16 01:15:01,378 INFO L226 Difference]: Without dead ends: 2230 [2023-12-16 01:15:01,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:15:01,380 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 66 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:01,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 29 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:15:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2023-12-16 01:15:01,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2230. [2023-12-16 01:15:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 2229 states have (on average 1.183938986092418) internal successors, (2639), 2229 states have internal predecessors, (2639), 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) [2023-12-16 01:15:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 2639 transitions. [2023-12-16 01:15:01,409 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 2639 transitions. Word has length 137 [2023-12-16 01:15:01,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:01,409 INFO L495 AbstractCegarLoop]: Abstraction has 2230 states and 2639 transitions. [2023-12-16 01:15:01,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-12-16 01:15:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2639 transitions. [2023-12-16 01:15:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-16 01:15:01,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:15:01,411 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-12-16 01:15:01,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 01:15:01,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:01,618 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:15:01,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:15:01,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1376937431, now seen corresponding path program 1 times [2023-12-16 01:15:01,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:15:01,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484338560] [2023-12-16 01:15:01,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:01,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:15:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-16 01:15:01,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:15:01,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484338560] [2023-12-16 01:15:01,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484338560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:15:01,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:15:01,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:15:01,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34307512] [2023-12-16 01:15:01,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:15:01,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:15:01,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:15:01,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:15:01,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:15:01,687 INFO L87 Difference]: Start difference. First operand 2230 states and 2639 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2023-12-16 01:15:01,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:01,978 INFO L93 Difference]: Finished difference Result 4852 states and 5761 transitions. [2023-12-16 01:15:01,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:15:01,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 144 [2023-12-16 01:15:01,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:01,984 INFO L225 Difference]: With dead ends: 4852 [2023-12-16 01:15:01,984 INFO L226 Difference]: Without dead ends: 2361 [2023-12-16 01:15:01,986 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 [2023-12-16 01:15:01,987 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 135 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:01,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 190 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:15:01,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2361 states. [2023-12-16 01:15:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2361 to 2099. [2023-12-16 01:15:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 2098 states have (on average 1.0938989513822688) internal successors, (2295), 2098 states have internal predecessors, (2295), 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) [2023-12-16 01:15:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2295 transitions. [2023-12-16 01:15:02,012 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2295 transitions. Word has length 144 [2023-12-16 01:15:02,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:02,012 INFO L495 AbstractCegarLoop]: Abstraction has 2099 states and 2295 transitions. [2023-12-16 01:15:02,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2023-12-16 01:15:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2295 transitions. [2023-12-16 01:15:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-16 01:15:02,014 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:15:02,014 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:15:02,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 01:15:02,015 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:15:02,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:15:02,015 INFO L85 PathProgramCache]: Analyzing trace with hash -522948598, now seen corresponding path program 1 times [2023-12-16 01:15:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:15:02,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912135953] [2023-12-16 01:15:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:15:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-16 01:15:02,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:15:02,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912135953] [2023-12-16 01:15:02,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912135953] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:15:02,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155044247] [2023-12-16 01:15:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:02,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:02,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:15:02,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:15:02,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 01:15:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:02,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:15:02,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:15:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 01:15:02,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:15:02,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155044247] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:15:02,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:15:02,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:15:02,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248028990] [2023-12-16 01:15:02,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:15:02,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:15:02,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:15:02,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:15:02,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:15:02,389 INFO L87 Difference]: Start difference. First operand 2099 states and 2295 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-12-16 01:15:02,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:02,666 INFO L93 Difference]: Finished difference Result 5507 states and 6041 transitions. [2023-12-16 01:15:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:15:02,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 151 [2023-12-16 01:15:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:02,674 INFO L225 Difference]: With dead ends: 5507 [2023-12-16 01:15:02,674 INFO L226 Difference]: Without dead ends: 3409 [2023-12-16 01:15:02,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:15:02,676 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 58 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:02,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 172 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:15:02,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2023-12-16 01:15:02,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3278. [2023-12-16 01:15:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3277 states have (on average 1.0884955752212389) internal successors, (3567), 3277 states have internal predecessors, (3567), 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) [2023-12-16 01:15:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 3567 transitions. [2023-12-16 01:15:02,714 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 3567 transitions. Word has length 151 [2023-12-16 01:15:02,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:02,715 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 3567 transitions. [2023-12-16 01:15:02,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-12-16 01:15:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3567 transitions. [2023-12-16 01:15:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-16 01:15:02,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:15:02,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:15:02,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 01:15:02,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-16 01:15:02,923 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:15:02,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:15:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1726889522, now seen corresponding path program 1 times [2023-12-16 01:15:02,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:15:02,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439034947] [2023-12-16 01:15:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:15:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:15:03,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:15:03,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439034947] [2023-12-16 01:15:03,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439034947] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:15:03,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319084971] [2023-12-16 01:15:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:03,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:03,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:15:03,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:15:03,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 01:15:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:03,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:15:03,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:15:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-16 01:15:03,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:15:03,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319084971] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:15:03,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:15:03,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:15:03,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375922178] [2023-12-16 01:15:03,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:15:03,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:15:03,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:15:03,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:15:03,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:15:03,244 INFO L87 Difference]: Start difference. First operand 3278 states and 3567 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2023-12-16 01:15:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:03,520 INFO L93 Difference]: Finished difference Result 7210 states and 7888 transitions. [2023-12-16 01:15:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:15:03,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 154 [2023-12-16 01:15:03,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:03,528 INFO L225 Difference]: With dead ends: 7210 [2023-12-16 01:15:03,528 INFO L226 Difference]: Without dead ends: 3802 [2023-12-16 01:15:03,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:15:03,531 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 52 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:03,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 169 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 01:15:03,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3802 states. [2023-12-16 01:15:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3802 to 3278. [2023-12-16 01:15:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3277 states have (on average 1.0872749465974978) internal successors, (3563), 3277 states have internal predecessors, (3563), 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) [2023-12-16 01:15:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 3563 transitions. [2023-12-16 01:15:03,582 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 3563 transitions. Word has length 154 [2023-12-16 01:15:03,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:03,582 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 3563 transitions. [2023-12-16 01:15:03,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2023-12-16 01:15:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3563 transitions. [2023-12-16 01:15:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-16 01:15:03,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:15:03,585 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 01:15:03,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 01:15:03,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:03,790 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:15:03,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:15:03,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1922027716, now seen corresponding path program 1 times [2023-12-16 01:15:03,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:15:03,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967551789] [2023-12-16 01:15:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:03,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:15:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-16 01:15:03,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:15:03,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967551789] [2023-12-16 01:15:03,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967551789] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:15:03,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209204459] [2023-12-16 01:15:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:15:03,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:03,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:15:03,949 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:15:03,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 01:15:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:15:04,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 01:15:04,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:15:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-16 01:15:04,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:15:04,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209204459] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:15:04,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:15:04,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:15:04,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533204467] [2023-12-16 01:15:04,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:15:04,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:15:04,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:15:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:15:04,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:15:04,113 INFO L87 Difference]: Start difference. First operand 3278 states and 3563 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-12-16 01:15:04,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:15:04,533 INFO L93 Difference]: Finished difference Result 6160 states and 6702 transitions. [2023-12-16 01:15:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:15:04,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 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 183 [2023-12-16 01:15:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:15:04,533 INFO L225 Difference]: With dead ends: 6160 [2023-12-16 01:15:04,533 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 01:15:04,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:15:04,538 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 219 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:15:04,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 36 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 01:15:04,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 01:15:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 01:15:04,539 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) [2023-12-16 01:15:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 01:15:04,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2023-12-16 01:15:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:15:04,539 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 01:15:04,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-12-16 01:15:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 01:15:04,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 01:15:04,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 01:15:04,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 01:15:04,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:15:04,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 01:15:05,038 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-12-16 01:15:05,039 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-12-16 01:15:05,039 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-12-16 01:15:05,039 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,039 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,039 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,040 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-12-16 01:15:05,041 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-12-16 01:15:05,041 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-12-16 01:15:05,041 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-12-16 01:15:05,041 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-12-16 01:15:05,041 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-12-16 01:15:05,041 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-12-16 01:15:05,042 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-12-16 01:15:05,042 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,042 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-12-16 01:15:05,043 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-12-16 01:15:05,044 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,045 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 604) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,046 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-12-16 01:15:05,047 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a20~0 0)) (.cse5 (not (= ~a7~0 1))) (.cse2 (<= ~a16~0 5)) (.cse4 (= ~a21~0 1)) (.cse7 (= ~a17~0 1)) (.cse1 (<= ~a8~0 13)) (.cse6 (= ~a16~0 6)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4) (and .cse1 .cse4 .cse7 .cse3) (and .cse6 .cse5 .cse4 .cse3) (and (<= ~a8~0 14) .cse4 .cse2) (and (<= ~a7~0 0) .cse4 .cse7 .cse3) (and .cse1 .cse6 .cse3))) [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,048 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-12-16 01:15:05,049 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-12-16 01:15:05,051 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:15:05,053 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:15:05,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:15:05 BoogieIcfgContainer [2023-12-16 01:15:05,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:15:05,066 INFO L158 Benchmark]: Toolchain (without parser) took 9527.57ms. Allocated memory was 257.9MB in the beginning and 385.9MB in the end (delta: 127.9MB). Free memory was 217.6MB in the beginning and 214.1MB in the end (delta: 3.5MB). Peak memory consumption was 133.0MB. Max. memory is 8.0GB. [2023-12-16 01:15:05,066 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory was 156.7MB in the beginning and 156.5MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:15:05,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.23ms. Allocated memory is still 257.9MB. Free memory was 217.1MB in the beginning and 189.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-16 01:15:05,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.48ms. Allocated memory is still 257.9MB. Free memory was 189.3MB in the beginning and 183.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 01:15:05,067 INFO L158 Benchmark]: Boogie Preprocessor took 65.77ms. Allocated memory is still 257.9MB. Free memory was 183.5MB in the beginning and 177.8MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 01:15:05,067 INFO L158 Benchmark]: RCFGBuilder took 795.74ms. Allocated memory is still 257.9MB. Free memory was 177.8MB in the beginning and 179.5MB in the end (delta: -1.7MB). Peak memory consumption was 46.5MB. Max. memory is 8.0GB. [2023-12-16 01:15:05,068 INFO L158 Benchmark]: TraceAbstraction took 8214.75ms. Allocated memory was 257.9MB in the beginning and 385.9MB in the end (delta: 127.9MB). Free memory was 178.5MB in the beginning and 214.1MB in the end (delta: -35.7MB). Peak memory consumption was 92.8MB. Max. memory is 8.0GB. [2023-12-16 01:15:05,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory was 156.7MB in the beginning and 156.5MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.23ms. Allocated memory is still 257.9MB. Free memory was 217.1MB in the beginning and 189.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.48ms. Allocated memory is still 257.9MB. Free memory was 189.3MB in the beginning and 183.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.77ms. Allocated memory is still 257.9MB. Free memory was 183.5MB in the beginning and 177.8MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 795.74ms. Allocated memory is still 257.9MB. Free memory was 177.8MB in the beginning and 179.5MB in the end (delta: -1.7MB). Peak memory consumption was 46.5MB. Max. memory is 8.0GB. * TraceAbstraction took 8214.75ms. Allocated memory was 257.9MB in the beginning and 385.9MB in the end (delta: 127.9MB). Free memory was 178.5MB in the beginning and 214.1MB in the end (delta: -35.7MB). 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: 450]: 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, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1463 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1463 mSDsluCounter, 1234 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 611 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4419 IncrementalHoareTripleChecker+Invalid, 5030 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 611 mSolverCounterUnsat, 1164 mSDtfsCounter, 4419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3278occurred in iteration=11, InterpolantAutomatonStates: 40, 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, 1310 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 27 NumberOfFragments, 115 HoareAnnotationTreeSize, 1 FormulaSimplifications, 435 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 619 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2188 NumberOfCodeBlocks, 2188 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2171 ConstructedInterpolants, 0 QuantifiedInterpolants, 4974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1233 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 979/1034 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: 593]: Loop Invariant Derived loop invariant: ((((((((((((a20 <= 0) && (a8 <= 13)) && (a16 <= 5)) || (((a8 <= 13) && (a16 <= 5)) && (a20 == 1))) || (((a20 <= 0) && (a21 == 1)) && (a16 <= 5))) || (((!((a7 == 1)) && (a21 == 1)) && (a16 <= 5)) && (a20 == 1))) || (((a20 <= 0) && (a16 == 6)) && (a21 == 1))) || ((((a8 <= 13) && (a21 == 1)) && (a17 == 1)) && (a20 == 1))) || ((((a16 == 6) && !((a7 == 1))) && (a21 == 1)) && (a20 == 1))) || (((a8 <= 14) && (a21 == 1)) && (a16 <= 5))) || ((((a7 <= 0) && (a21 == 1)) && (a17 == 1)) && (a20 == 1))) || (((a8 <= 13) && (a16 == 6)) && (a20 == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-16 01:15:05,094 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...