/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/float-newlib/float_req_bl_0710.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-dev-05d3305-m
[2022-10-15 16:45:17,430 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-15 16:45:17,434 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-15 16:45:17,490 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
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[2022-10-15 16:45:17,516 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2022-10-15 16:45:17,527 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-15 16:45:17,532 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-15 16:45:17,537 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-15 16:45:17,542 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-15 16:45:17,545 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-15 16:45:17,548 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-15 16:45:17,552 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-15 16:45:17,553 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-10-15 16:45:17,563 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-10-15 16:45:17,566 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-15 16:45:17,566 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2022-10-15 16:45:17,568 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-10-15 16:45:17,572 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-10-15 16:45:17,574 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-15 16:45:17,577 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-15 16:45:17,582 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
[2022-10-15 16:45:17,628 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-15 16:45:17,628 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-15 16:45:17,629 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-15 16:45:17,629 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-15 16:45:17,630 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-15 16:45:17,630 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-15 16:45:17,632 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-15 16:45:17,633 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-15 16:45:17,633 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-15 16:45:17,633 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-15 16:45:17,634 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-15 16:45:17,634 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-10-15 16:45:17,635 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-15 16:45:17,635 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-15 16:45:17,635 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-15 16:45:17,635 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2022-10-15 16:45:17,635 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2022-10-15 16:45:17,635 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2022-10-15 16:45:17,636 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-15 16:45:17,636 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-10-15 16:45:17,636 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-15 16:45:17,636 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-15 16:45:17,637 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-15 16:45:17,637 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-15 16:45:17,637 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-15 16:45:17,637 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-15 16:45:17,637 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-15 16:45:17,638 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-15 16:45:17,638 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-15 16:45:17,638 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-15 16:45:17,638 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-15 16:45:18,013 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-15 16:45:18,051 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-15 16:45:18,054 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-15 16:45:18,056 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-15 16:45:18,057 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-15 16:45:18,058 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0710.c
[2022-10-15 16:45:18,144 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f376775/2467438d06c043e09374a53ab8c0e5c1/FLAGc304766df
[2022-10-15 16:45:18,818 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-15 16:45:18,819 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c
[2022-10-15 16:45:18,828 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f376775/2467438d06c043e09374a53ab8c0e5c1/FLAGc304766df
[2022-10-15 16:45:19,145 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f376775/2467438d06c043e09374a53ab8c0e5c1
[2022-10-15 16:45:19,148 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-15 16:45:19,154 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-10-15 16:45:19,156 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-15 16:45:19,156 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-15 16:45:19,160 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-15 16:45:19,161 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,162 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2bfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19, skipping insertion in model container
[2022-10-15 16:45:19,162 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,171 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-15 16:45:19,190 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-15 16:45:19,371 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c[1961,1974]
[2022-10-15 16:45:19,374 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-15 16:45:19,384 INFO  L203         MainTranslator]: Completed pre-run
[2022-10-15 16:45:19,421 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c[1961,1974]
[2022-10-15 16:45:19,422 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-15 16:45:19,441 INFO  L208         MainTranslator]: Completed translation
[2022-10-15 16:45:19,441 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19 WrapperNode
[2022-10-15 16:45:19,441 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-15 16:45:19,443 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-15 16:45:19,443 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-15 16:45:19,443 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-15 16:45:19,452 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,463 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,497 INFO  L138                Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139
[2022-10-15 16:45:19,498 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-15 16:45:19,499 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-15 16:45:19,499 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-15 16:45:19,499 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-15 16:45:19,510 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,511 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,515 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,515 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,524 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,530 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,533 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,535 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,538 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-15 16:45:19,539 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-15 16:45:19,539 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-15 16:45:19,540 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-15 16:45:19,541 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (1/1) ...
[2022-10-15 16:45:19,548 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-15 16:45:19,561 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-15 16:45:19,576 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)
[2022-10-15 16:45:19,581 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
[2022-10-15 16:45:19,635 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-15 16:45:19,635 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-10-15 16:45:19,635 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-10-15 16:45:19,635 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2022-10-15 16:45:19,635 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-10-15 16:45:19,636 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2022-10-15 16:45:19,636 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-15 16:45:19,636 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-15 16:45:19,636 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-10-15 16:45:19,636 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-15 16:45:19,731 INFO  L235             CfgBuilder]: Building ICFG
[2022-10-15 16:45:19,734 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-15 16:45:20,169 INFO  L276             CfgBuilder]: Performing block encoding
[2022-10-15 16:45:20,186 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-15 16:45:20,187 INFO  L300             CfgBuilder]: Removed 6 assume(true) statements.
[2022-10-15 16:45:20,196 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:45:20 BoogieIcfgContainer
[2022-10-15 16:45:20,196 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-15 16:45:20,199 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-15 16:45:20,202 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-15 16:45:20,210 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-15 16:45:20,212 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:45:19" (1/3) ...
[2022-10-15 16:45:20,215 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bd400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:45:20, skipping insertion in model container
[2022-10-15 16:45:20,241 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:45:19" (2/3) ...
[2022-10-15 16:45:20,241 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bd400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:45:20, skipping insertion in model container
[2022-10-15 16:45:20,242 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:45:20" (3/3) ...
[2022-10-15 16:45:20,245 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_0710.c
[2022-10-15 16:45:20,277 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-15 16:45:20,277 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2022-10-15 16:45:20,385 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-15 16:45:20,410 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;@fbaeba3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-15 16:45:20,411 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2022-10-15 16:45:20,421 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 57 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 56 states have internal predecessors, (83), 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)
[2022-10-15 16:45:20,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-10-15 16:45:20,430 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 16:45:20,430 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-10-15 16:45:20,432 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2022-10-15 16:45:20,442 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 16:45:20,443 INFO  L85        PathProgramCache]: Analyzing trace with hash 28867539, now seen corresponding path program 1 times
[2022-10-15 16:45:20,457 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 16:45:20,458 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8070355]
[2022-10-15 16:45:20,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 16:45:20,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 16:45:20,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 16:45:20,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 16:45:20,776 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 16:45:20,777 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8070355]
[2022-10-15 16:45:20,778 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8070355] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 16:45:20,778 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 16:45:20,779 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 16:45:20,781 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801293716]
[2022-10-15 16:45:20,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 16:45:20,790 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 16:45:20,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 16:45:20,831 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 16:45:20,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 16:45:20,836 INFO  L87              Difference]: Start difference. First operand  has 57 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 56 states have internal predecessors, (83), 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 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)
[2022-10-15 16:45:20,914 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 16:45:20,915 INFO  L93              Difference]: Finished difference Result 59 states and 73 transitions.
[2022-10-15 16:45:20,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 16:45:20,918 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
[2022-10-15 16:45:20,919 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 16:45:20,932 INFO  L225             Difference]: With dead ends: 59
[2022-10-15 16:45:20,932 INFO  L226             Difference]: Without dead ends: 55
[2022-10-15 16:45:20,934 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
[2022-10-15 16:45:20,940 INFO  L413           NwaCegarLoop]: 69 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 121 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
[2022-10-15 16:45:20,942 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 121 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-15 16:45:20,965 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2022-10-15 16:45:20,984 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2022-10-15 16:45:20,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55 states, 45 states have (on average 1.511111111111111) internal successors, (68), 54 states have internal predecessors, (68), 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)
[2022-10-15 16:45:20,989 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions.
[2022-10-15 16:45:20,991 INFO  L78                 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 5
[2022-10-15 16:45:20,991 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 16:45:20,991 INFO  L495      AbstractCegarLoop]: Abstraction has 55 states and 68 transitions.
[2022-10-15 16:45:20,992 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)
[2022-10-15 16:45:20,992 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions.
[2022-10-15 16:45:20,993 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-10-15 16:45:20,993 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 16:45:20,993 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-10-15 16:45:20,994 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-15 16:45:20,994 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2022-10-15 16:45:20,995 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 16:45:20,995 INFO  L85        PathProgramCache]: Analyzing trace with hash 28693828, now seen corresponding path program 1 times
[2022-10-15 16:45:20,996 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 16:45:20,996 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935369881]
[2022-10-15 16:45:20,996 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 16:45:20,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 16:45:21,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 16:45:21,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 16:45:21,174 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 16:45:21,174 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935369881]
[2022-10-15 16:45:21,175 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935369881] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 16:45:21,175 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 16:45:21,175 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 16:45:21,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513540951]
[2022-10-15 16:45:21,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 16:45:21,177 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 16:45:21,178 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 16:45:21,179 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 16:45:21,179 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 16:45:21,179 INFO  L87              Difference]: Start difference. First operand 55 states and 68 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)
[2022-10-15 16:45:21,237 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 16:45:21,237 INFO  L93              Difference]: Finished difference Result 53 states and 66 transitions.
[2022-10-15 16:45:21,238 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 16:45:21,238 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
[2022-10-15 16:45:21,238 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 16:45:21,240 INFO  L225             Difference]: With dead ends: 53
[2022-10-15 16:45:21,240 INFO  L226             Difference]: Without dead ends: 53
[2022-10-15 16:45:21,240 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
[2022-10-15 16:45:21,243 INFO  L413           NwaCegarLoop]: 61 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 111 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
[2022-10-15 16:45:21,245 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 111 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-15 16:45:21,250 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2022-10-15 16:45:21,262 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2022-10-15 16:45:21,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 52 states have internal predecessors, (66), 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)
[2022-10-15 16:45:21,272 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions.
[2022-10-15 16:45:21,272 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 5
[2022-10-15 16:45:21,273 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 16:45:21,275 INFO  L495      AbstractCegarLoop]: Abstraction has 53 states and 66 transitions.
[2022-10-15 16:45:21,276 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)
[2022-10-15 16:45:21,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions.
[2022-10-15 16:45:21,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-10-15 16:45:21,277 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 16:45:21,278 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-10-15 16:45:21,278 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-15 16:45:21,280 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2022-10-15 16:45:21,289 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 16:45:21,293 INFO  L85        PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times
[2022-10-15 16:45:21,293 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 16:45:21,294 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692067055]
[2022-10-15 16:45:21,294 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 16:45:21,295 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 16:45:21,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 16:45:21,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 16:45:21,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 16:45:21,488 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692067055]
[2022-10-15 16:45:21,489 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692067055] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 16:45:21,489 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 16:45:21,489 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 16:45:21,490 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162257399]
[2022-10-15 16:45:21,490 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 16:45:21,490 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 16:45:21,491 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 16:45:21,491 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 16:45:21,492 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 16:45:21,492 INFO  L87              Difference]: Start difference. First operand 53 states and 66 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)
[2022-10-15 16:45:21,525 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 16:45:21,526 INFO  L93              Difference]: Finished difference Result 51 states and 64 transitions.
[2022-10-15 16:45:21,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 16:45:21,526 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
[2022-10-15 16:45:21,527 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 16:45:21,528 INFO  L225             Difference]: With dead ends: 51
[2022-10-15 16:45:21,528 INFO  L226             Difference]: Without dead ends: 51
[2022-10-15 16:45:21,529 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
[2022-10-15 16:45:21,531 INFO  L413           NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-15 16:45:21,532 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-15 16:45:21,533 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-10-15 16:45:21,538 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2022-10-15 16:45:21,538 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 50 states have internal predecessors, (64), 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)
[2022-10-15 16:45:21,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions.
[2022-10-15 16:45:21,541 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 5
[2022-10-15 16:45:21,541 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 16:45:21,541 INFO  L495      AbstractCegarLoop]: Abstraction has 51 states and 64 transitions.
[2022-10-15 16:45:21,541 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)
[2022-10-15 16:45:21,542 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions.
[2022-10-15 16:45:21,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-10-15 16:45:21,543 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 16:45:21,543 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 16:45:21,543 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-15 16:45:21,544 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2022-10-15 16:45:21,545 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 16:45:21,545 INFO  L85        PathProgramCache]: Analyzing trace with hash 2094146438, now seen corresponding path program 1 times
[2022-10-15 16:45:21,545 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 16:45:21,546 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111545482]
[2022-10-15 16:45:21,546 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 16:45:21,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 16:45:21,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 16:45:21,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 16:45:21,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 16:45:21,730 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111545482]
[2022-10-15 16:45:21,731 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111545482] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 16:45:21,731 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 16:45:21,731 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 16:45:21,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259674471]
[2022-10-15 16:45:21,732 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 16:45:21,733 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 16:45:21,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 16:45:21,734 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 16:45:21,734 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 16:45:21,734 INFO  L87              Difference]: Start difference. First operand 51 states and 64 transitions. Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2022-10-15 16:45:21,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 16:45:21,768 INFO  L93              Difference]: Finished difference Result 61 states and 73 transitions.
[2022-10-15 16:45:21,769 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 16:45:21,769 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14
[2022-10-15 16:45:21,770 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 16:45:21,771 INFO  L225             Difference]: With dead ends: 61
[2022-10-15 16:45:21,771 INFO  L226             Difference]: Without dead ends: 61
[2022-10-15 16:45:21,771 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 16:45:21,773 INFO  L413           NwaCegarLoop]: 62 mSDtfsCounter, 9 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-10-15 16:45:21,774 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 116 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-10-15 16:45:21,775 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2022-10-15 16:45:21,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53.
[2022-10-15 16:45:21,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 52 states have internal predecessors, (66), 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)
[2022-10-15 16:45:21,782 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions.
[2022-10-15 16:45:21,782 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 14
[2022-10-15 16:45:21,783 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 16:45:21,783 INFO  L495      AbstractCegarLoop]: Abstraction has 53 states and 66 transitions.
[2022-10-15 16:45:21,783 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2022-10-15 16:45:21,783 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions.
[2022-10-15 16:45:21,784 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-10-15 16:45:21,784 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 16:45:21,784 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 16:45:21,785 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-15 16:45:21,785 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2022-10-15 16:45:21,786 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 16:45:21,786 INFO  L85        PathProgramCache]: Analyzing trace with hash 444097683, now seen corresponding path program 1 times
[2022-10-15 16:45:21,786 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 16:45:21,787 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395836698]
[2022-10-15 16:45:21,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 16:45:21,787 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 16:45:21,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-10-15 16:45:21,823 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-10-15 16:45:21,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-10-15 16:45:21,929 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-10-15 16:45:21,929 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2022-10-15 16:45:21,932 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (9 of 10 remaining)
[2022-10-15 16:45:21,934 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 10 remaining)
[2022-10-15 16:45:21,936 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 10 remaining)
[2022-10-15 16:45:21,937 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 10 remaining)
[2022-10-15 16:45:21,937 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 10 remaining)
[2022-10-15 16:45:21,938 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 10 remaining)
[2022-10-15 16:45:21,938 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 10 remaining)
[2022-10-15 16:45:21,938 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 10 remaining)
[2022-10-15 16:45:21,939 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 10 remaining)
[2022-10-15 16:45:21,939 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (0 of 10 remaining)
[2022-10-15 16:45:21,940 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-15 16:45:21,950 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-10-15 16:45:21,956 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-10-15 16:45:22,013 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:45:22 BoogieIcfgContainer
[2022-10-15 16:45:22,013 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-15 16:45:22,020 INFO  L158              Benchmark]: Toolchain (without parser) took 2864.28ms. Allocated memory is still 156.2MB. Free memory was 130.8MB in the beginning and 81.8MB in the end (delta: 49.0MB). Peak memory consumption was 49.1MB. Max. memory is 8.0GB.
[2022-10-15 16:45:22,020 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 156.2MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-10-15 16:45:22,021 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 285.87ms. Allocated memory is still 156.2MB. Free memory was 130.5MB in the beginning and 119.0MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-10-15 16:45:22,022 INFO  L158              Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 156.2MB. Free memory was 118.9MB in the beginning and 117.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-10-15 16:45:22,022 INFO  L158              Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 156.2MB. Free memory was 116.9MB in the beginning and 115.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-10-15 16:45:22,023 INFO  L158              Benchmark]: RCFGBuilder took 657.12ms. Allocated memory is still 156.2MB. Free memory was 115.3MB in the beginning and 99.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB.
[2022-10-15 16:45:22,023 INFO  L158              Benchmark]: TraceAbstraction took 1813.63ms. Allocated memory is still 156.2MB. Free memory was 98.6MB in the beginning and 81.8MB in the end (delta: 16.8MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB.
[2022-10-15 16:45:22,030 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 156.2MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 285.87ms. Allocated memory is still 156.2MB. Free memory was 130.5MB in the beginning and 119.0MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 156.2MB. Free memory was 118.9MB in the beginning and 117.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 39.57ms. Allocated memory is still 156.2MB. Free memory was 116.9MB in the beginning and 115.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 657.12ms. Allocated memory is still 156.2MB. Free memory was 115.3MB in the beginning and 99.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1813.63ms. Allocated memory is still 156.2MB. Free memory was 98.6MB in the beginning and 81.8MB in the end (delta: 16.8MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 100]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of memtrack at line 100. 
Possible FailurePath: 
[L17]               static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30;
        VAL         [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000]
[L93]               float x = __VERIFIER_nondet_float();
[L94]   COND TRUE   x < -0.0f
[L96]   CALL, EXPR  __ieee754_sqrtf(x)
[L20]               float z;
[L21]               __uint32_t r, hx;
[L22]               __int32_t ix, s, q, m, t, i;
        VAL         [\old(x)=4294967304, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L25]               ieee_float_shape_type gf_u;
        VAL         [\old(x)=4294967304, gf_u={5:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L26]               gf_u.value = (x)
        VAL         [\old(x)=4294967304, gf_u={5:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L27]   EXPR        gf_u.word
        VAL         [\old(x)=4294967304, gf_u={5:0}, gf_u.word=4294967296, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L27]               (ix) = gf_u.word
[L29]               hx = ix & 0x7fffffff
        VAL         [\old(x)=4294967304, hx=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L31]   COND FALSE  !(!((hx) < 0x7f800000L))
        VAL         [\old(x)=4294967304, hx=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L34]   COND TRUE   ((hx) == 0)
[L35]               return x;
        VAL         [\old(x)=4294967304, \result=4294967304, hx=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L96]   RET, EXPR   __ieee754_sqrtf(x)
[L96]               float res = __ieee754_sqrtf(x);
[L99]   CALL, EXPR  isnan_float(res)
[L15]               return x != x;
        VAL         [\old(x)=4294967304, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]
[L99]   RET, EXPR   isnan_float(res)
[L99]   COND TRUE   !isnan_float(res)
[L100]              reach_error()
        VAL         [one_sqrt=1, res=4294967304, tiny_sqrt=1/1000000000000000000000000000000, x=4294967304]

  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 86]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 57 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 462 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 209 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 253 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-10-15 16:45:22,088 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...