/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 19:30:29,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 19:30:29,123 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 19:30:29,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 19:30:29,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 19:30:29,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 19:30:29,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 19:30:29,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 19:30:29,151 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 19:30:29,153 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 19:30:29,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 19:30:29,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 19:30:29,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 19:30:29,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 19:30:29,155 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 19:30:29,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 19:30:29,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 19:30:29,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 19:30:29,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 19:30:29,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 19:30:29,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 19:30:29,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 19:30:29,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 19:30:29,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 19:30:29,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 19:30:29,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 19:30:29,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 19:30:29,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 19:30:29,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 19:30:29,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 19:30:29,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 19:30:29,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 19:30:29,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:30:29,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 19:30:29,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 19:30:29,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 19:30:29,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 19:30:29,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 19:30:29,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 19:30:29,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 19:30:29,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 19:30:29,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 19:30:29,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 19:30:29,161 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 19:30:29,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 19:30:29,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 19:30:29,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 19:30:29,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 19:30:29,368 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 19:30:29,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-10.i [2023-12-15 19:30:30,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 19:30:30,649 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 19:30:30,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-10.i [2023-12-15 19:30:30,657 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d1743ef/27322ab6ce284178aa6e24879ca09441/FLAG6dab5109f [2023-12-15 19:30:30,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d1743ef/27322ab6ce284178aa6e24879ca09441 [2023-12-15 19:30:30,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 19:30:30,673 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 19:30:30,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 19:30:30,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 19:30:30,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 19:30:30,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:30,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d96d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30, skipping insertion in model container [2023-12-15 19:30:30,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:30,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 19:30:30,826 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-10.i[919,932] [2023-12-15 19:30:30,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:30:30,879 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 19:30:30,887 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-10.i[919,932] [2023-12-15 19:30:30,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:30:30,940 INFO L206 MainTranslator]: Completed translation [2023-12-15 19:30:30,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30 WrapperNode [2023-12-15 19:30:30,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 19:30:30,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 19:30:30,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 19:30:30,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 19:30:30,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:30,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:30,993 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-12-15 19:30:30,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 19:30:30,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 19:30:30,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 19:30:30,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 19:30:31,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,019 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]. [2023-12-15 19:30:31,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 19:30:31,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 19:30:31,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 19:30:31,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 19:30:31,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (1/1) ... [2023-12-15 19:30:31,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:30:31,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:30:31,098 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) [2023-12-15 19:30:31,120 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 [2023-12-15 19:30:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 19:30:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 19:30:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 19:30:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 19:30:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 19:30:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 19:30:31,194 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 19:30:31,195 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 19:30:31,507 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 19:30:31,560 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 19:30:31,560 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 19:30:31,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:30:31 BoogieIcfgContainer [2023-12-15 19:30:31,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 19:30:31,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 19:30:31,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 19:30:31,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 19:30:31,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 07:30:30" (1/3) ... [2023-12-15 19:30:31,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4164e1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:30:31, skipping insertion in model container [2023-12-15 19:30:31,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:30:30" (2/3) ... [2023-12-15 19:30:31,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4164e1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:30:31, skipping insertion in model container [2023-12-15 19:30:31,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:30:31" (3/3) ... [2023-12-15 19:30:31,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-10.i [2023-12-15 19:30:31,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 19:30:31,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 19:30:31,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 19:30:31,623 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;@25505d54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 19:30:31,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 19:30:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.525) internal successors, (61), 41 states have internal predecessors, (61), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-15 19:30:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-15 19:30:31,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:30:31,636 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:30:31,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:30:31,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:30:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash 794996002, now seen corresponding path program 1 times [2023-12-15 19:30:31,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:30:31,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114045691] [2023-12-15 19:30:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:30:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:30:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 19:30:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 19:30:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 19:30:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 19:30:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-15 19:30:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-15 19:30:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 19:30:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-15 19:30:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-15 19:30:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 19:30:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 19:30:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 19:30:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 19:30:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 19:30:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 19:30:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 19:30:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 19:30:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 19:30:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-15 19:30:31,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:30:31,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114045691] [2023-12-15 19:30:31,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114045691] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:30:31,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:30:31,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:30:31,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079676794] [2023-12-15 19:30:31,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:30:31,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 19:30:31,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:30:32,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 19:30:32,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:30:32,013 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.525) internal successors, (61), 41 states have internal predecessors, (61), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 19:30:32,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:30:32,043 INFO L93 Difference]: Finished difference Result 119 states and 210 transitions. [2023-12-15 19:30:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 19:30:32,046 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2023-12-15 19:30:32,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:30:32,052 INFO L225 Difference]: With dead ends: 119 [2023-12-15 19:30:32,052 INFO L226 Difference]: Without dead ends: 59 [2023-12-15 19:30:32,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:30:32,058 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:30:32,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:30:32,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-15 19:30:32,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-15 19:30:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-15 19:30:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 92 transitions. [2023-12-15 19:30:32,101 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 92 transitions. Word has length 115 [2023-12-15 19:30:32,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:30:32,101 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 92 transitions. [2023-12-15 19:30:32,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 19:30:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2023-12-15 19:30:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-15 19:30:32,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:30:32,107 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:30:32,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 19:30:32,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:30:32,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:30:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1019182110, now seen corresponding path program 1 times [2023-12-15 19:30:32,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:30:32,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268051160] [2023-12-15 19:30:32,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:30:32,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:30:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 19:30:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 19:30:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 19:30:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 19:30:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-15 19:30:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-15 19:30:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 19:30:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-15 19:30:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-15 19:30:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 19:30:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 19:30:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 19:30:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 19:30:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 19:30:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 19:30:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 19:30:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 19:30:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 19:30:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-15 19:30:32,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:30:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268051160] [2023-12-15 19:30:32,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268051160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:30:32,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:30:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:30:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592298622] [2023-12-15 19:30:32,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:30:32,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:30:32,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:30:32,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:30:32,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:30:32,575 INFO L87 Difference]: Start difference. First operand 59 states and 92 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-15 19:30:32,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:30:32,715 INFO L93 Difference]: Finished difference Result 176 states and 275 transitions. [2023-12-15 19:30:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:30:32,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2023-12-15 19:30:32,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:30:32,719 INFO L225 Difference]: With dead ends: 176 [2023-12-15 19:30:32,719 INFO L226 Difference]: Without dead ends: 118 [2023-12-15 19:30:32,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:30:32,722 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 60 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:30:32,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 256 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:30:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-15 19:30:32,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 92. [2023-12-15 19:30:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 53 states have (on average 1.320754716981132) internal successors, (70), 53 states have internal predecessors, (70), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-15 19:30:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 142 transitions. [2023-12-15 19:30:32,750 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 142 transitions. Word has length 115 [2023-12-15 19:30:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:30:32,752 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 142 transitions. [2023-12-15 19:30:32,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-15 19:30:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2023-12-15 19:30:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-15 19:30:32,756 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:30:32,756 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:30:32,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 19:30:32,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:30:32,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:30:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1251763523, now seen corresponding path program 1 times [2023-12-15 19:30:32,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:30:32,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862395987] [2023-12-15 19:30:32,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:30:32,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:30:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 19:30:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 19:30:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 19:30:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 19:30:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-15 19:30:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-15 19:30:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 19:30:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-15 19:30:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-15 19:30:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 19:30:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 19:30:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 19:30:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 19:30:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 19:30:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 19:30:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 19:30:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 19:30:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 19:30:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:30:55,696 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-15 19:30:55,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:30:55,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862395987] [2023-12-15 19:30:55,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862395987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:30:55,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:30:55,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 19:30:55,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441603013] [2023-12-15 19:30:55,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:30:55,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 19:30:55,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:30:55,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 19:30:55,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-15 19:30:55,698 INFO L87 Difference]: Start difference. First operand 92 states and 142 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-15 19:31:01,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-15 19:31:01,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:31:01,805 INFO L93 Difference]: Finished difference Result 228 states and 349 transitions. [2023-12-15 19:31:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-15 19:31:01,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2023-12-15 19:31:01,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:31:01,807 INFO L225 Difference]: With dead ends: 228 [2023-12-15 19:31:01,807 INFO L226 Difference]: Without dead ends: 170 [2023-12-15 19:31:01,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2023-12-15 19:31:01,808 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 176 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:31:01,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 425 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-12-15 19:31:01,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-15 19:31:01,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 107. [2023-12-15 19:31:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-15 19:31:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 167 transitions. [2023-12-15 19:31:01,818 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 167 transitions. Word has length 116 [2023-12-15 19:31:01,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:31:01,819 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 167 transitions. [2023-12-15 19:31:01,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-15 19:31:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-12-15 19:31:01,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-15 19:31:01,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:31:01,820 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:31:01,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 19:31:01,820 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:31:01,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:31:01,820 INFO L85 PathProgramCache]: Analyzing trace with hash 523243839, now seen corresponding path program 1 times [2023-12-15 19:31:01,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:31:01,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358030967] [2023-12-15 19:31:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:31:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:31:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-15 19:31:40,461 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 19:31:40,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 19:31:40,462 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 117 with TraceHistMax 18,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-2-4-2-4-4-6-4-6-4-4-4-4-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-39-3-3-4-4-4-2-6-4-6-4-4-4-6-4-5-4-6-4-6-4-4-4-4-3-3-2-2-1 context. [2023-12-15 19:31:40,465 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 19:31:40,467 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 19:31:40,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 07:31:40 BoogieIcfgContainer [2023-12-15 19:31:40,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 19:31:40,469 INFO L158 Benchmark]: Toolchain (without parser) took 69795.92ms. Allocated memory was 382.7MB in the beginning and 863.0MB in the end (delta: 480.2MB). Free memory was 337.0MB in the beginning and 778.2MB in the end (delta: -441.3MB). Peak memory consumption was 513.4MB. Max. memory is 8.0GB. [2023-12-15 19:31:40,469 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 148.4MB in the beginning and 148.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 19:31:40,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.89ms. Allocated memory is still 382.7MB. Free memory was 336.9MB in the beginning and 322.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-15 19:31:40,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.25ms. Allocated memory is still 382.7MB. Free memory was 322.6MB in the beginning and 318.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 19:31:40,470 INFO L158 Benchmark]: Boogie Preprocessor took 52.00ms. Allocated memory is still 382.7MB. Free memory was 318.0MB in the beginning and 310.7MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-15 19:31:40,470 INFO L158 Benchmark]: RCFGBuilder took 514.35ms. Allocated memory is still 382.7MB. Free memory was 310.7MB in the beginning and 345.0MB in the end (delta: -34.3MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2023-12-15 19:31:40,470 INFO L158 Benchmark]: TraceAbstraction took 68904.33ms. Allocated memory was 382.7MB in the beginning and 863.0MB in the end (delta: 480.2MB). Free memory was 344.5MB in the beginning and 778.2MB in the end (delta: -433.8MB). Peak memory consumption was 520.5MB. Max. memory is 8.0GB. [2023-12-15 19:31:40,471 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 19:31:40,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 148.4MB in the beginning and 148.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.89ms. Allocated memory is still 382.7MB. Free memory was 336.9MB in the beginning and 322.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.25ms. Allocated memory is still 382.7MB. Free memory was 322.6MB in the beginning and 318.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.00ms. Allocated memory is still 382.7MB. Free memory was 318.0MB in the beginning and 310.7MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 514.35ms. Allocated memory is still 382.7MB. Free memory was 310.7MB in the beginning and 345.0MB in the end (delta: -34.3MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. * TraceAbstraction took 68904.33ms. Allocated memory was 382.7MB in the beginning and 863.0MB in the end (delta: 480.2MB). Free memory was 344.5MB in the beginning and 778.2MB in the end (delta: -433.8MB). Peak memory consumption was 520.5MB. 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 117 with TraceHistMax 18,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-2-4-2-4-4-6-4-6-4-4-4-4-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-39-3-3-4-4-4-2-6-4-6-4-4-4-6-4-5-4-6-4-6-4-4-4-4-3-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.9s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 770 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 523 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 247 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 89 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 3063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1836/1836 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown