/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05d3305-m
[2022-10-16 04:38:02,548 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-10-16 04:38:02,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-16 04:38:02,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-16 04:38:02,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-16 04:38:02,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-16 04:38:02,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-16 04:38:02,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-16 04:38:02,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-16 04:38:02,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-16 04:38:02,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-10-16 04:38:02,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-16 04:38:02,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2022-10-16 04:38:02,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
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[2022-10-16 04:38:02,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-16 04:38:02,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-16 04:38:02,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-16 04:38:02,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-16 04:38:02,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-16 04:38:02,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-16 04:38:02,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-10-16 04:38:02,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-16 04:38:02,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-10-16 04:38:02,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-16 04:38:02,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2022-10-16 04:38:02,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-16 04:38:02,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-16 04:38:02,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2022-10-16 04:38:02,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-16 04:38:02,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-10-16 04:38:02,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2022-10-16 04:38:02,686 INFO L113 SettingsManager]: Loading preferences was successful
[2022-10-16 04:38:02,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-16 04:38:02,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-16 04:38:02,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-16 04:38:02,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-16 04:38:02,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-16 04:38:02,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-16 04:38:02,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-10-16 04:38:02,689 INFO L138 SettingsManager]: * Use SBE=true
[2022-10-16 04:38:02,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-16 04:38:02,690 INFO L138 SettingsManager]: * sizeof long=4
[2022-10-16 04:38:02,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-10-16 04:38:02,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-10-16 04:38:02,691 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-10-16 04:38:02,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-10-16 04:38:02,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2022-10-16 04:38:02,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2022-10-16 04:38:02,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2022-10-16 04:38:02,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-16 04:38:02,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-10-16 04:38:02,692 INFO L138 SettingsManager]: * sizeof long double=12
[2022-10-16 04:38:02,693 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-10-16 04:38:02,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-16 04:38:02,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-10-16 04:38:02,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-10-16 04:38:02,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-16 04:38:02,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-16 04:38:02,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-10-16 04:38:02,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-10-16 04:38:02,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-16 04:38:02,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-16 04:38:03,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-16 04:38:03,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-16 04:38:03,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-16 04:38:03,182 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-10-16 04:38:03,189 INFO L275 PluginConnector]: CDTParser initialized
[2022-10-16 04:38:03,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i
[2022-10-16 04:38:03,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af0780c8/d023df8e12d040c4a843ac45f5202d93/FLAG75dab0d6e
[2022-10-16 04:38:03,975 INFO L306 CDTParser]: Found 1 translation units.
[2022-10-16 04:38:03,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i
[2022-10-16 04:38:03,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af0780c8/d023df8e12d040c4a843ac45f5202d93/FLAG75dab0d6e
[2022-10-16 04:38:04,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af0780c8/d023df8e12d040c4a843ac45f5202d93
[2022-10-16 04:38:04,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-16 04:38:04,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-10-16 04:38:04,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-16 04:38:04,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-16 04:38:04,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-16 04:38:04,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74509dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04, skipping insertion in model container
[2022-10-16 04:38:04,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-10-16 04:38:04,357 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-10-16 04:38:04,679 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-16 04:38:04,691 INFO L203 MainTranslator]: Completed pre-run
[2022-10-16 04:38:04,733 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-10-16 04:38:04,772 INFO L208 MainTranslator]: Completed translation
[2022-10-16 04:38:04,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04 WrapperNode
[2022-10-16 04:38:04,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-16 04:38:04,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-16 04:38:04,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-16 04:38:04,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-16 04:38:04,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,829 INFO L138 Inliner]: procedures = 110, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47
[2022-10-16 04:38:04,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-16 04:38:04,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-16 04:38:04,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-16 04:38:04,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-10-16 04:38:04,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-16 04:38:04,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-16 04:38:04,867 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-10-16 04:38:04,867 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-10-16 04:38:04,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (1/1) ...
[2022-10-16 04:38:04,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-16 04:38:04,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-16 04:38:04,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-16 04:38:04,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-16 04:38:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-10-16 04:38:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-10-16 04:38:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-10-16 04:38:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-16 04:38:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-16 04:38:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-16 04:38:05,106 INFO L235 CfgBuilder]: Building ICFG
[2022-10-16 04:38:05,109 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-16 04:38:05,436 INFO L276 CfgBuilder]: Performing block encoding
[2022-10-16 04:38:05,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-16 04:38:05,452 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-10-16 04:38:05,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:38:05 BoogieIcfgContainer
[2022-10-16 04:38:05,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-16 04:38:05,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-16 04:38:05,464 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-10-16 04:38:05,471 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-10-16 04:38:05,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:38:04" (1/3) ...
[2022-10-16 04:38:05,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f90677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:38:05, skipping insertion in model container
[2022-10-16 04:38:05,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:38:04" (2/3) ...
[2022-10-16 04:38:05,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f90677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:38:05, skipping insertion in model container
[2022-10-16 04:38:05,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:38:05" (3/3) ...
[2022-10-16 04:38:05,481 INFO L112 eAbstractionObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i
[2022-10-16 04:38:05,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-16 04:38:05,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations.
[2022-10-16 04:38:05,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-16 04:38:05,586 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@2a6da763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-16 04:38:05,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2022-10-16 04:38:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 43 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-16 04:38:05,598 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 04:38:05,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-16 04:38:05,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 18 more)] ===
[2022-10-16 04:38:05,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 04:38:05,606 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times
[2022-10-16 04:38:05,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 04:38:05,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336022234]
[2022-10-16 04:38:05,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 04:38:05,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 04:38:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 04:38:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-16 04:38:06,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 04:38:06,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336022234]
[2022-10-16 04:38:06,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336022234] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 04:38:06,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 04:38:06,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-16 04:38:06,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60395231]
[2022-10-16 04:38:06,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 04:38:06,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-16 04:38:06,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 04:38:06,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-16 04:38:06,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,159 INFO L87 Difference]: Start difference. First operand has 44 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 43 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 04:38:06,249 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions.
[2022-10-16 04:38:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-10-16 04:38:06,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-10-16 04:38:06,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 04:38:06,266 INFO L225 Difference]: With dead ends: 36
[2022-10-16 04:38:06,266 INFO L226 Difference]: Without dead ends: 34
[2022-10-16 04:38:06,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,276 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 32 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-10-16 04:38:06,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 18 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-10-16 04:38:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2022-10-16 04:38:06,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2022-10-16 04:38:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 33 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions.
[2022-10-16 04:38:06,320 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 3
[2022-10-16 04:38:06,320 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 04:38:06,321 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions.
[2022-10-16 04:38:06,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions.
[2022-10-16 04:38:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-16 04:38:06,322 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 04:38:06,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-16 04:38:06,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-16 04:38:06,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 18 more)] ===
[2022-10-16 04:38:06,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 04:38:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times
[2022-10-16 04:38:06,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 04:38:06,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791748828]
[2022-10-16 04:38:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 04:38:06,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 04:38:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 04:38:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-16 04:38:06,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 04:38:06,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791748828]
[2022-10-16 04:38:06,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791748828] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 04:38:06,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 04:38:06,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-16 04:38:06,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278396915]
[2022-10-16 04:38:06,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 04:38:06,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-16 04:38:06,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 04:38:06,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-16 04:38:06,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,502 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 04:38:06,566 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions.
[2022-10-16 04:38:06,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-10-16 04:38:06,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-10-16 04:38:06,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 04:38:06,569 INFO L225 Difference]: With dead ends: 26
[2022-10-16 04:38:06,569 INFO L226 Difference]: Without dead ends: 26
[2022-10-16 04:38:06,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,572 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 26 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-10-16 04:38:06,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 17 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-10-16 04:38:06,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-10-16 04:38:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2022-10-16 04:38:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions.
[2022-10-16 04:38:06,583 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 3
[2022-10-16 04:38:06,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 04:38:06,583 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions.
[2022-10-16 04:38:06,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions.
[2022-10-16 04:38:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-10-16 04:38:06,584 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 04:38:06,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-10-16 04:38:06,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-16 04:38:06,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 18 more)] ===
[2022-10-16 04:38:06,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 04:38:06,589 INFO L85 PathProgramCache]: Analyzing trace with hash 28691810, now seen corresponding path program 1 times
[2022-10-16 04:38:06,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 04:38:06,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733700680]
[2022-10-16 04:38:06,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 04:38:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 04:38:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 04:38:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-16 04:38:06,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 04:38:06,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733700680]
[2022-10-16 04:38:06,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733700680] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 04:38:06,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 04:38:06,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-16 04:38:06,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200254865]
[2022-10-16 04:38:06,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 04:38:06,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-16 04:38:06,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 04:38:06,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-16 04:38:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,725 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 04:38:06,774 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions.
[2022-10-16 04:38:06,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-10-16 04:38:06,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-10-16 04:38:06,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 04:38:06,779 INFO L225 Difference]: With dead ends: 24
[2022-10-16 04:38:06,779 INFO L226 Difference]: Without dead ends: 24
[2022-10-16 04:38:06,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,785 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 04:38:06,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 13 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 04:38:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2022-10-16 04:38:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2022-10-16 04:38:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2022-10-16 04:38:06,795 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 5
[2022-10-16 04:38:06,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 04:38:06,795 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2022-10-16 04:38:06,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2022-10-16 04:38:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-10-16 04:38:06,797 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 04:38:06,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-10-16 04:38:06,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-16 04:38:06,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 18 more)] ===
[2022-10-16 04:38:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 04:38:06,801 INFO L85 PathProgramCache]: Analyzing trace with hash 28691811, now seen corresponding path program 1 times
[2022-10-16 04:38:06,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 04:38:06,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539316964]
[2022-10-16 04:38:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 04:38:06,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 04:38:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 04:38:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-16 04:38:06,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 04:38:06,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539316964]
[2022-10-16 04:38:06,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539316964] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 04:38:06,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 04:38:06,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-16 04:38:06,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504489056]
[2022-10-16 04:38:06,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 04:38:06,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-16 04:38:06,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 04:38:06,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-16 04:38:06,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,929 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 04:38:06,953 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions.
[2022-10-16 04:38:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-10-16 04:38:06,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-10-16 04:38:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 04:38:06,957 INFO L225 Difference]: With dead ends: 22
[2022-10-16 04:38:06,957 INFO L226 Difference]: Without dead ends: 22
[2022-10-16 04:38:06,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-16 04:38:06,962 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 04:38:06,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 15 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 04:38:06,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2022-10-16 04:38:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2022-10-16 04:38:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions.
[2022-10-16 04:38:06,974 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 5
[2022-10-16 04:38:06,974 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 04:38:06,974 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions.
[2022-10-16 04:38:06,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions.
[2022-10-16 04:38:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-10-16 04:38:06,975 INFO L187 NwaCegarLoop]: Found error trace
[2022-10-16 04:38:06,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-16 04:38:06,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-16 04:38:06,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 18 more)] ===
[2022-10-16 04:38:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 04:38:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1835327752, now seen corresponding path program 1 times
[2022-10-16 04:38:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 04:38:06,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113542328]
[2022-10-16 04:38:06,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 04:38:06,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 04:38:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-16 04:38:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-16 04:38:07,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-16 04:38:07,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113542328]
[2022-10-16 04:38:07,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113542328] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-16 04:38:07,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-16 04:38:07,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-16 04:38:07,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927677815]
[2022-10-16 04:38:07,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-16 04:38:07,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-16 04:38:07,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-16 04:38:07,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-16 04:38:07,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-16 04:38:07,202 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:07,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-16 04:38:07,233 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions.
[2022-10-16 04:38:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-10-16 04:38:07,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-10-16 04:38:07,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-16 04:38:07,234 INFO L225 Difference]: With dead ends: 21
[2022-10-16 04:38:07,235 INFO L226 Difference]: Without dead ends: 0
[2022-10-16 04:38:07,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-16 04:38:07,237 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 15 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-16 04:38:07,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 22 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-16 04:38:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-10-16 04:38:07,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-10-16 04:38:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-10-16 04:38:07,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9
[2022-10-16 04:38:07,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-10-16 04:38:07,240 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-10-16 04:38:07,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-16 04:38:07,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-10-16 04:38:07,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-10-16 04:38:07,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 21 remaining)
[2022-10-16 04:38:07,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 21 remaining)
[2022-10-16 04:38:07,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 21 remaining)
[2022-10-16 04:38:07,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 21 remaining)
[2022-10-16 04:38:07,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 21 remaining)
[2022-10-16 04:38:07,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 21 remaining)
[2022-10-16 04:38:07,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 21 remaining)
[2022-10-16 04:38:07,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 21 remaining)
[2022-10-16 04:38:07,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 21 remaining)
[2022-10-16 04:38:07,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 21 remaining)
[2022-10-16 04:38:07,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 21 remaining)
[2022-10-16 04:38:07,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 21 remaining)
[2022-10-16 04:38:07,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 21 remaining)
[2022-10-16 04:38:07,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 21 remaining)
[2022-10-16 04:38:07,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 21 remaining)
[2022-10-16 04:38:07,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 21 remaining)
[2022-10-16 04:38:07,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 21 remaining)
[2022-10-16 04:38:07,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 21 remaining)
[2022-10-16 04:38:07,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 21 remaining)
[2022-10-16 04:38:07,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 21 remaining)
[2022-10-16 04:38:07,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK (0 of 21 remaining)
[2022-10-16 04:38:07,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-16 04:38:07,263 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-10-16 04:38:07,266 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-10-16 04:38:07,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 04:38:07 BoogieIcfgContainer
[2022-10-16 04:38:07,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-16 04:38:07,271 INFO L158 Benchmark]: Toolchain (without parser) took 3001.42ms. Allocated memory is still 160.4MB. Free memory was 133.8MB in the beginning and 53.9MB in the end (delta: 79.9MB). Peak memory consumption was 80.3MB. Max. memory is 8.0GB.
[2022-10-16 04:38:07,272 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 160.4MB. Free memory was 130.6MB in the beginning and 130.5MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-10-16 04:38:07,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.22ms. Allocated memory is still 160.4MB. Free memory was 133.7MB in the beginning and 118.2MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB.
[2022-10-16 04:38:07,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.51ms. Allocated memory is still 160.4MB. Free memory was 118.2MB in the beginning and 116.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-10-16 04:38:07,274 INFO L158 Benchmark]: Boogie Preprocessor took 34.99ms. Allocated memory is still 160.4MB. Free memory was 116.4MB in the beginning and 115.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-10-16 04:38:07,274 INFO L158 Benchmark]: RCFGBuilder took 591.79ms. Allocated memory is still 160.4MB. Free memory was 115.1MB in the beginning and 138.8MB in the end (delta: -23.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB.
[2022-10-16 04:38:07,275 INFO L158 Benchmark]: TraceAbstraction took 1807.20ms. Allocated memory is still 160.4MB. Free memory was 137.8MB in the beginning and 53.9MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB.
[2022-10-16 04:38:07,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 160.4MB. Free memory was 130.6MB in the beginning and 130.5MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 494.22ms. Allocated memory is still 160.4MB. Free memory was 133.7MB in the beginning and 118.2MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 55.51ms. Allocated memory is still 160.4MB. Free memory was 118.2MB in the beginning and 116.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 34.99ms. Allocated memory is still 160.4MB. Free memory was 116.4MB in the beginning and 115.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 591.79ms. Allocated memory is still 160.4MB. Free memory was 115.1MB in the beginning and 138.8MB in the end (delta: -23.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB.
* TraceAbstraction took 1807.20ms. Allocated memory is still 160.4MB. Free memory was 137.8MB in the beginning and 53.9MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 547]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 44 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 72 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
21 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-10-16 04:38:07,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...