/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/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:21:27,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:21:27,132 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 03:21:27,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:21:27,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:21:27,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:21:27,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:21:27,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:21:27,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:21:27,153 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:21:27,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:21:27,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:21:27,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:21:27,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:21:27,156 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:21:27,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:21:27,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:21:27,156 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:21:27,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:21:27,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:21:27,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:21:27,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:21:27,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:21:27,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:21:27,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:21:27,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:21:27,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:21:27,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:21:27,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:21:27,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:21:27,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:21:27,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:21:27,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:21:27,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:21:27,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:21:27,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:21:27,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:21:27,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:21:27,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:21:27,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:21:27,161 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:21:27,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:21:27,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:21:27,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:21:27,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:21:27,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:21:27,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:21:27,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:21:27,367 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:21:27,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2023-12-16 03:21:28,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:21:28,656 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:21:28,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2023-12-16 03:21:28,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2077b2a25/cce05cecd57f43d7a12d58dee5351c5e/FLAGb18bcb8f8 [2023-12-16 03:21:28,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2077b2a25/cce05cecd57f43d7a12d58dee5351c5e [2023-12-16 03:21:28,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:21:28,701 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:21:28,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:21:28,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:21:28,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:21:28,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:28,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32722c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28, skipping insertion in model container [2023-12-16 03:21:28,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:28,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:21:28,840 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_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2023-12-16 03:21:28,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:21:28,909 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:21:28,926 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_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2023-12-16 03:21:28,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:21:28,991 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:21:28,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28 WrapperNode [2023-12-16 03:21:28,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:21:28,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:21:28,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:21:28,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:21:28,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,057 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2023-12-16 03:21:29,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:21:29,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:21:29,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:21:29,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:21:29,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,081 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 03:21:29,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:21:29,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:21:29,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:21:29,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:21:29,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (1/1) ... [2023-12-16 03:21:29,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:21:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:21:29,137 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 03:21:29,156 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 03:21:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:21:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:21:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:21:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:21:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:21:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:21:29,220 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:21:29,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:21:29,693 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:21:29,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:21:29,745 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:21:29,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:21:29 BoogieIcfgContainer [2023-12-16 03:21:29,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:21:29,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:21:29,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:21:29,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:21:29,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:21:28" (1/3) ... [2023-12-16 03:21:29,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e323b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:21:29, skipping insertion in model container [2023-12-16 03:21:29,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:21:28" (2/3) ... [2023-12-16 03:21:29,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e323b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:21:29, skipping insertion in model container [2023-12-16 03:21:29,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:21:29" (3/3) ... [2023-12-16 03:21:29,779 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2023-12-16 03:21:29,792 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:21:29,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:21:29,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:21:29,876 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;@5eb43329, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:21:29,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:21:29,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-16 03:21:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:21:29,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:21:29,914 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:29,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:21:29,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:21:29,928 INFO L85 PathProgramCache]: Analyzing trace with hash 130473694, now seen corresponding path program 1 times [2023-12-16 03:21:29,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:21:29,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501162927] [2023-12-16 03:21:29,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:21:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:21:30,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:21:30,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974335907] [2023-12-16 03:21:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:21:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:21:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:21:30,315 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 03:21:30,352 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 03:21:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:21:30,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 03:21:30,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:22:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-16 03:22:31,775 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:22:31,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:22:31,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501162927] [2023-12-16 03:22:31,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:22:31,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974335907] [2023-12-16 03:22:31,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974335907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:22:31,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:22:31,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 03:22:31,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419611499] [2023-12-16 03:22:31,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:22:31,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:22:31,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:22:31,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:22:31,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:22:31,801 INFO L87 Difference]: Start difference. First operand has 112 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-16 03:22:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:22:32,438 INFO L93 Difference]: Finished difference Result 285 states and 516 transitions. [2023-12-16 03:22:32,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 03:22:32,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 289 [2023-12-16 03:22:32,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:22:32,448 INFO L225 Difference]: With dead ends: 285 [2023-12-16 03:22:32,448 INFO L226 Difference]: Without dead ends: 174 [2023-12-16 03:22:32,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-16 03:22:32,453 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 103 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 03:22:32,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 711 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 03:22:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-16 03:22:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 136. [2023-12-16 03:22:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 81 states have (on average 1.345679012345679) internal successors, (109), 82 states have internal predecessors, (109), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 03:22:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 213 transitions. [2023-12-16 03:22:32,499 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 213 transitions. Word has length 289 [2023-12-16 03:22:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:22:32,500 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 213 transitions. [2023-12-16 03:22:32,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-16 03:22:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 213 transitions. [2023-12-16 03:22:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:22:32,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:22:32,505 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:32,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 03:22:32,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 03:22:32,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:22:32,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:22:32,712 INFO L85 PathProgramCache]: Analyzing trace with hash 130533276, now seen corresponding path program 1 times [2023-12-16 03:22:32,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:22:32,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472339927] [2023-12-16 03:22:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:22:32,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:22:32,763 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:22:32,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259129812] [2023-12-16 03:22:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:22:32,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:22:32,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:22:32,781 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 03:22:32,782 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 03:22:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:22:32,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 03:22:32,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:22:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 47 proven. 141 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-12-16 03:22:33,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:22:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-16 03:22:34,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:22:34,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472339927] [2023-12-16 03:22:34,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:22:34,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259129812] [2023-12-16 03:22:34,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259129812] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:22:34,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:22:34,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-12-16 03:22:34,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523502358] [2023-12-16 03:22:34,054 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:22:34,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 03:22:34,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:22:34,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 03:22:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-16 03:22:34,057 INFO L87 Difference]: Start difference. First operand 136 states and 213 transitions. Second operand has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 18 states have internal predecessors, (96), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) [2023-12-16 03:22:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:22:35,747 INFO L93 Difference]: Finished difference Result 717 states and 1093 transitions. [2023-12-16 03:22:35,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-16 03:22:35,748 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 18 states have internal predecessors, (96), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) Word has length 289 [2023-12-16 03:22:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:22:35,753 INFO L225 Difference]: With dead ends: 717 [2023-12-16 03:22:35,753 INFO L226 Difference]: Without dead ends: 582 [2023-12-16 03:22:35,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=459, Invalid=1347, Unknown=0, NotChecked=0, Total=1806 [2023-12-16 03:22:35,756 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 721 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 03:22:35,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 1097 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 03:22:35,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2023-12-16 03:22:35,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 280. [2023-12-16 03:22:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 169 states have (on average 1.3372781065088757) internal successors, (226), 171 states have internal predecessors, (226), 104 states have call successors, (104), 6 states have call predecessors, (104), 6 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2023-12-16 03:22:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 434 transitions. [2023-12-16 03:22:35,816 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 434 transitions. Word has length 289 [2023-12-16 03:22:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:22:35,816 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 434 transitions. [2023-12-16 03:22:35,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 18 states have internal predecessors, (96), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) [2023-12-16 03:22:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 434 transitions. [2023-12-16 03:22:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:22:35,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:22:35,820 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:35,828 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 03:22:36,028 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,SelfDestructingSolverStorable1 [2023-12-16 03:22:36,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:22:36,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:22:36,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1410396954, now seen corresponding path program 1 times [2023-12-16 03:22:36,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:22:36,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339498534] [2023-12-16 03:22:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:22:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:22:36,059 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:22:36,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022637171] [2023-12-16 03:22:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:22:36,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:22:36,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:22:36,061 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 03:22:36,091 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 03:22:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:22:36,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 03:22:36,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:22:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 47 proven. 141 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-12-16 03:22:36,900 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:22:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-16 03:22:37,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:22:37,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339498534] [2023-12-16 03:22:37,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:22:37,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022637171] [2023-12-16 03:22:37,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022637171] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:22:37,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:22:37,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-12-16 03:22:37,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773925840] [2023-12-16 03:22:37,340 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:22:37,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 03:22:37,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:22:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 03:22:37,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-12-16 03:22:37,342 INFO L87 Difference]: Start difference. First operand 280 states and 434 transitions. Second operand has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) [2023-12-16 03:22:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:22:38,822 INFO L93 Difference]: Finished difference Result 862 states and 1323 transitions. [2023-12-16 03:22:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-16 03:22:38,823 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) Word has length 289 [2023-12-16 03:22:38,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:22:38,827 INFO L225 Difference]: With dead ends: 862 [2023-12-16 03:22:38,827 INFO L226 Difference]: Without dead ends: 724 [2023-12-16 03:22:38,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=370, Invalid=962, Unknown=0, NotChecked=0, Total=1332 [2023-12-16 03:22:38,829 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 986 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 782 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:22:38,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 748 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [782 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 03:22:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2023-12-16 03:22:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 144. [2023-12-16 03:22:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 88 states have internal predecessors, (114), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 03:22:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2023-12-16 03:22:38,917 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 289 [2023-12-16 03:22:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:22:38,925 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2023-12-16 03:22:38,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) [2023-12-16 03:22:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2023-12-16 03:22:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:22:38,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:22:38,928 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:38,946 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 03:22:39,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:22:39,144 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:22:39,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:22:39,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1863611430, now seen corresponding path program 1 times [2023-12-16 03:22:39,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:22:39,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494476787] [2023-12-16 03:22:39,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:22:39,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:22:39,177 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:22:39,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631385705] [2023-12-16 03:22:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:22:39,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:22:39,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:22:39,179 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 03:22:39,199 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 03:22:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:22:39,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 03:22:39,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:22:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 47 proven. 141 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-12-16 03:22:40,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:22:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-16 03:22:40,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:22:40,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494476787] [2023-12-16 03:22:40,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:22:40,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631385705] [2023-12-16 03:22:40,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631385705] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:22:40,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:22:40,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-12-16 03:22:40,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077978274] [2023-12-16 03:22:40,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:22:40,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 03:22:40,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:22:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 03:22:40,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-12-16 03:22:40,950 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 18 states have internal predecessors, (96), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) Received shutdown request... [2023-12-16 03:22:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 03:22:41,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-16 03:22:41,805 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 638 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 03:22:41,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 497 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 03:22:41,814 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 03:22:41,814 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 [2023-12-16 03:22:41,815 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:22:41,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-16 03:22:42,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:22:42,024 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (144states) and FLOYD_HOARE automaton (currently 18 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (329 states constructed, input type IntersectNwa). [2023-12-16 03:22:42,030 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 03:22:42,032 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:22:42,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:22:42 BoogieIcfgContainer [2023-12-16 03:22:42,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:22:42,045 INFO L158 Benchmark]: Toolchain (without parser) took 73333.83ms. Allocated memory was 227.5MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 177.1MB in the beginning and 976.7MB in the end (delta: -799.6MB). Peak memory consumption was 341.8MB. Max. memory is 8.0GB. [2023-12-16 03:22:42,045 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 227.5MB. Free memory is still 175.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:22:42,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.04ms. Allocated memory is still 227.5MB. Free memory was 176.8MB in the beginning and 159.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 03:22:42,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.67ms. Allocated memory is still 227.5MB. Free memory was 159.7MB in the beginning and 154.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 03:22:42,047 INFO L158 Benchmark]: Boogie Preprocessor took 44.81ms. Allocated memory is still 227.5MB. Free memory was 154.5MB in the beginning and 147.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 03:22:42,047 INFO L158 Benchmark]: RCFGBuilder took 642.66ms. Allocated memory was 227.5MB in the beginning and 379.6MB in the end (delta: 152.0MB). Free memory was 147.7MB in the beginning and 319.2MB in the end (delta: -171.5MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. [2023-12-16 03:22:42,047 INFO L158 Benchmark]: TraceAbstraction took 72274.95ms. Allocated memory was 379.6MB in the beginning and 1.4GB in the end (delta: 987.8MB). Free memory was 318.7MB in the beginning and 976.7MB in the end (delta: -658.0MB). Peak memory consumption was 329.7MB. Max. memory is 8.0GB. [2023-12-16 03:22:42,051 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 227.5MB. Free memory is still 175.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.04ms. Allocated memory is still 227.5MB. Free memory was 176.8MB in the beginning and 159.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.67ms. Allocated memory is still 227.5MB. Free memory was 159.7MB in the beginning and 154.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.81ms. Allocated memory is still 227.5MB. Free memory was 154.5MB in the beginning and 147.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 642.66ms. Allocated memory was 227.5MB in the beginning and 379.6MB in the end (delta: 152.0MB). Free memory was 147.7MB in the beginning and 319.2MB in the end (delta: -171.5MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. * TraceAbstraction took 72274.95ms. Allocated memory was 379.6MB in the beginning and 1.4GB in the end (delta: 987.8MB). Free memory was 318.7MB in the beginning and 976.7MB in the end (delta: -658.0MB). Peak memory consumption was 329.7MB. 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 constructing difference of abstraction (144states) and FLOYD_HOARE automaton (currently 18 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (329 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.2s, OverallIterations: 4, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2516 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2448 mSDsluCounter, 3053 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2393 mSDsCounter, 1460 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3807 IncrementalHoareTripleChecker+Invalid, 5267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1460 mSolverCounterUnsat, 660 mSDtfsCounter, 3807 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2091 GetRequests, 1978 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=2, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 920 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 65.1s InterpolantComputationTime, 1156 NumberOfCodeBlocks, 1156 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 2016 ConstructedInterpolants, 0 QuantifiedInterpolants, 16144 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2592 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 30738/31584 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