/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:40:00,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:40:00,842 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 21:40:00,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:40:00,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:40:00,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:40:00,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:40:00,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:40:00,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:40:00,866 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:40:00,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:40:00,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:40:00,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:40:00,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:40:00,867 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:40:00,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:40:00,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:40:00,868 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:40:00,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:40:00,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:40:00,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:40:00,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:40:00,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:40:00,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:40:00,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:40:00,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:40:00,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:40:00,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:40:00,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:40:00,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:40:00,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:40:00,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:40:00,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:40:00,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:40:00,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:40:00,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:40:00,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:40:00,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:40:00,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:40:00,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:40:00,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:40:00,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:40:00,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:40:00,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:40:01,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:40:01,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:40:01,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:40:01,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:40:01,105 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:40:01,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i [2023-12-15 21:40:02,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:40:02,474 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:40:02,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i [2023-12-15 21:40:02,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2059bde8a/135c067276244af6917da99dc6736800/FLAG94022e6cf [2023-12-15 21:40:02,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2059bde8a/135c067276244af6917da99dc6736800 [2023-12-15 21:40:02,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:40:02,497 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:40:02,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:40:02,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:40:02,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:40:02,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388bcabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02, skipping insertion in model container [2023-12-15 21:40:02,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:40:02,694 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i[916,929] [2023-12-15 21:40:02,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:40:02,748 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:40:02,758 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-32.i[916,929] [2023-12-15 21:40:02,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:40:02,827 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:40:02,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02 WrapperNode [2023-12-15 21:40:02,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:40:02,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:40:02,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:40:02,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:40:02,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,933 INFO L138 Inliner]: procedures = 26, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2023-12-15 21:40:02,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:40:02,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:40:02,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:40:02,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:40:02,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,976 INFO L175 MemorySlicer]: Split 124 memory accesses to 2 slices as follows [2, 122]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 15 writes are split as follows [0, 15]. [2023-12-15 21:40:02,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:02,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:03,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:03,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:03,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:03,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:40:03,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:40:03,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:40:03,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:40:03,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (1/1) ... [2023-12-15 21:40:03,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:40:03,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:40:03,063 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 21:40:03,085 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 21:40:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:40:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 21:40:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 21:40:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 21:40:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 21:40:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:40:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:40:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:40:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 21:40:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:40:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:40:03,222 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:40:03,223 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:40:03,694 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:40:03,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:40:03,716 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:40:03,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:40:03 BoogieIcfgContainer [2023-12-15 21:40:03,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:40:03,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:40:03,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:40:03,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:40:03,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:40:02" (1/3) ... [2023-12-15 21:40:03,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c07801e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:40:03, skipping insertion in model container [2023-12-15 21:40:03,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:40:02" (2/3) ... [2023-12-15 21:40:03,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c07801e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:40:03, skipping insertion in model container [2023-12-15 21:40:03,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:40:03" (3/3) ... [2023-12-15 21:40:03,724 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-32.i [2023-12-15 21:40:03,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:40:03,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:40:03,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:40:03,789 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;@4cab69b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:40:03,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:40:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 71 states have (on average 1.408450704225352) internal successors, (100), 72 states have internal predecessors, (100), 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 21:40:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-15 21:40:03,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:40:03,809 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:40:03,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:40:03,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:40:03,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1074529320, now seen corresponding path program 1 times [2023-12-15 21:40:03,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:40:03,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787506183] [2023-12-15 21:40:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:40:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:40:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 21:40:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 21:40:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 21:40:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 21:40:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 21:40:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 21:40:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-15 21:40:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-15 21:40:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 21:40:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 21:40:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 21:40:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 21:40:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 21:40:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 21:40:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 21:40:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 21:40:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 21:40:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 21:40:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,199 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 21:40:04,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:40:04,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787506183] [2023-12-15 21:40:04,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787506183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:40:04,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:40:04,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:40:04,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464815426] [2023-12-15 21:40:04,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:40:04,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:40:04,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:40:04,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:40:04,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:40:04,239 INFO L87 Difference]: Start difference. First operand has 92 states, 71 states have (on average 1.408450704225352) internal successors, (100), 72 states have internal predecessors, (100), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 21:40:04,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:40:04,284 INFO L93 Difference]: Finished difference Result 181 states and 288 transitions. [2023-12-15 21:40:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:40:04,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 124 [2023-12-15 21:40:04,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:40:04,297 INFO L225 Difference]: With dead ends: 181 [2023-12-15 21:40:04,297 INFO L226 Difference]: Without dead ends: 90 [2023-12-15 21:40:04,302 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 21:40:04,306 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:40:04,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:40:04,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-15 21:40:04,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-15 21:40:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 70 states have (on average 1.3) internal successors, (91), 70 states have internal predecessors, (91), 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 21:40:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2023-12-15 21:40:04,347 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 124 [2023-12-15 21:40:04,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:40:04,348 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2023-12-15 21:40:04,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 21:40:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2023-12-15 21:40:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-15 21:40:04,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:40:04,351 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:40:04,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 21:40:04,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:40:04,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:40:04,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1965666812, now seen corresponding path program 1 times [2023-12-15 21:40:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:40:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396973371] [2023-12-15 21:40:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:40:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:40:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 21:40:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 21:40:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 21:40:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 21:40:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 21:40:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 21:40:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-15 21:40:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-15 21:40:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 21:40:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 21:40:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 21:40:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 21:40:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 21:40:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 21:40:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 21:40:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 21:40:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 21:40:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 21:40:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:04,808 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 21:40:04,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:40:04,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396973371] [2023-12-15 21:40:04,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396973371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:40:04,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:40:04,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:40:04,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051809663] [2023-12-15 21:40:04,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:40:04,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:40:04,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:40:04,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:40:04,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:40:04,813 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 21:40:05,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:40:05,143 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2023-12-15 21:40:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:40:05,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 124 [2023-12-15 21:40:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:40:05,150 INFO L225 Difference]: With dead ends: 306 [2023-12-15 21:40:05,150 INFO L226 Difference]: Without dead ends: 217 [2023-12-15 21:40:05,152 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 21:40:05,154 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 193 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 21:40:05,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 255 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 21:40:05,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-15 21:40:05,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 185. [2023-12-15 21:40:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.3013698630136987) internal successors, (190), 146 states have internal predecessors, (190), 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 21:40:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 262 transitions. [2023-12-15 21:40:05,205 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 262 transitions. Word has length 124 [2023-12-15 21:40:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:40:05,208 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 262 transitions. [2023-12-15 21:40:05,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 21:40:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 262 transitions. [2023-12-15 21:40:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-15 21:40:05,213 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:40:05,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:40:05,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 21:40:05,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:40:05,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:40:05,214 INFO L85 PathProgramCache]: Analyzing trace with hash 274301738, now seen corresponding path program 1 times [2023-12-15 21:40:05,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:40:05,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60129702] [2023-12-15 21:40:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:40:05,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:40:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 21:40:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 21:40:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 21:40:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 21:40:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 21:40:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 21:40:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-15 21:40:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-15 21:40:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 21:40:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 21:40:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 21:40:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 21:40:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 21:40:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 21:40:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 21:40:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 21:40:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 21:40:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 21:40:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:40:07,042 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 21:40:07,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:40:07,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60129702] [2023-12-15 21:40:07,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60129702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:40:07,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:40:07,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 21:40:07,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182404065] [2023-12-15 21:40:07,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:40:07,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 21:40:07,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:40:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 21:40:07,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-15 21:40:07,051 INFO L87 Difference]: Start difference. First operand 185 states and 262 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 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 21:40:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:40:07,782 INFO L93 Difference]: Finished difference Result 563 states and 799 transitions. [2023-12-15 21:40:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-15 21:40:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 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 132 [2023-12-15 21:40:07,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:40:07,788 INFO L225 Difference]: With dead ends: 563 [2023-12-15 21:40:07,788 INFO L226 Difference]: Without dead ends: 379 [2023-12-15 21:40:07,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2023-12-15 21:40:07,793 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 336 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 21:40:07,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 824 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 21:40:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-12-15 21:40:07,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 305. [2023-12-15 21:40:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 256 states have (on average 1.33203125) internal successors, (341), 258 states have internal predecessors, (341), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-15 21:40:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 429 transitions. [2023-12-15 21:40:07,833 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 429 transitions. Word has length 132 [2023-12-15 21:40:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:40:07,834 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 429 transitions. [2023-12-15 21:40:07,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 states have internal predecessors, (45), 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 21:40:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 429 transitions. [2023-12-15 21:40:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 21:40:07,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:40:07,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:40:07,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 21:40:07,838 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:40:07,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:40:07,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1093664573, now seen corresponding path program 1 times [2023-12-15 21:40:07,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:40:07,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218739128] [2023-12-15 21:40:07,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:40:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:40:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-15 21:41:02,919 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:02,926 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 21:41:02,991 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,031 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 21:41:03,045 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:41:03,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 21:41:03,045 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 135 with TraceHistMax 18,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 133 interpolants. [2023-12-15 21:41:03,049 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-15 21:41:03,051 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:41:03,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:41:03 BoogieIcfgContainer [2023-12-15 21:41:03,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:41:03,054 INFO L158 Benchmark]: Toolchain (without parser) took 60556.13ms. Allocated memory was 198.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 137.4MB in the beginning and 647.5MB in the end (delta: -510.1MB). Peak memory consumption was 838.0MB. Max. memory is 8.0GB. [2023-12-15 21:41:03,054 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 149.9MB in the beginning and 149.7MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:41:03,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.47ms. Allocated memory is still 198.2MB. Free memory was 137.1MB in the beginning and 121.1MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-15 21:41:03,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.48ms. Allocated memory was 198.2MB in the beginning and 306.2MB in the end (delta: 108.0MB). Free memory was 121.1MB in the beginning and 274.6MB in the end (delta: -153.5MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2023-12-15 21:41:03,055 INFO L158 Benchmark]: Boogie Preprocessor took 76.56ms. Allocated memory is still 306.2MB. Free memory was 274.6MB in the beginning and 269.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:03,055 INFO L158 Benchmark]: RCFGBuilder took 705.61ms. Allocated memory is still 306.2MB. Free memory was 269.9MB in the beginning and 239.5MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-15 21:41:03,055 INFO L158 Benchmark]: TraceAbstraction took 59334.37ms. Allocated memory was 306.2MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 239.0MB in the beginning and 647.5MB in the end (delta: -408.6MB). Peak memory consumption was 830.0MB. Max. memory is 8.0GB. [2023-12-15 21:41:03,056 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 149.9MB in the beginning and 149.7MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.47ms. Allocated memory is still 198.2MB. Free memory was 137.1MB in the beginning and 121.1MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 93.48ms. Allocated memory was 198.2MB in the beginning and 306.2MB in the end (delta: 108.0MB). Free memory was 121.1MB in the beginning and 274.6MB in the end (delta: -153.5MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.56ms. Allocated memory is still 306.2MB. Free memory was 274.6MB in the beginning and 269.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 705.61ms. Allocated memory is still 306.2MB. Free memory was 269.9MB in the beginning and 239.5MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 59334.37ms. Allocated memory was 306.2MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 239.0MB in the beginning and 647.5MB in the end (delta: -408.6MB). Peak memory consumption was 830.0MB. 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 135 with TraceHistMax 18,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 133 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.3s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 530 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 529 mSDsluCounter, 1202 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 909 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 745 IncrementalHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 293 mSDtfsCounter, 745 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=3, InterpolantAutomatonStates: 23, 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, 106 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 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