/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-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i


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


This is Ultimate 0.2.2-dev-05d3305-m
[2022-10-16 17:27:48,082 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-16 17:27:48,086 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-16 17:27:48,149 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-16 17:27:48,149 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2022-10-16 17:27:48,176 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2022-10-16 17:27:48,187 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-16 17:27:48,188 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-16 17:27:48,191 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-16 17:27:48,199 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
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[2022-10-16 17:27:48,203 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2022-10-16 17:27:48,219 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-16 17:27:48,220 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2022-10-16 17:27:48,223 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-16 17:27:48,224 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-10-16 17:27:48,226 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-16 17:27:48,227 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-16 17:27:48,228 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-10-16 17:27:48,277 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-16 17:27:48,278 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-16 17:27:48,278 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-16 17:27:48,278 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-16 17:27:48,280 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-16 17:27:48,280 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-16 17:27:48,282 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-16 17:27:48,282 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-16 17:27:48,283 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-16 17:27:48,283 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-16 17:27:48,284 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-16 17:27:48,284 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-10-16 17:27:48,284 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-16 17:27:48,284 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-16 17:27:48,285 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-16 17:27:48,285 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-16 17:27:48,285 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-16 17:27:48,285 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-16 17:27:48,285 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-10-16 17:27:48,285 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-16 17:27:48,286 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-16 17:27:48,286 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-16 17:27:48,286 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-16 17:27:48,286 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-16 17:27:48,286 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-16 17:27:48,287 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-16 17:27:48,287 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-16 17:27:48,287 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-16 17:27:48,287 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-16 17:27:48,287 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-16 17:27:48,288 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-16 17:27:48,288 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-16 17:27:48,288 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-16 17:27:48,288 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-16 17:27:48,679 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-16 17:27:48,709 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-16 17:27:48,712 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-16 17:27:48,713 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-16 17:27:48,714 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-16 17:27:48,716 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i
[2022-10-16 17:27:48,797 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8639e06/b86fc87e31624ec58c4806c84532207c/FLAGe813a1463
[2022-10-16 17:27:49,296 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-16 17:27:49,297 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i
[2022-10-16 17:27:49,303 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8639e06/b86fc87e31624ec58c4806c84532207c/FLAGe813a1463
[2022-10-16 17:27:49,680 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8639e06/b86fc87e31624ec58c4806c84532207c
[2022-10-16 17:27:49,683 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-16 17:27:49,688 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-10-16 17:27:49,689 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-16 17:27:49,689 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-16 17:27:49,693 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-16 17:27:49,693 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,694 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33711e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49, skipping insertion in model container
[2022-10-16 17:27:49,695 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,706 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-16 17:27:49,720 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-16 17:27:49,881 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-16 17:27:49,891 INFO  L203         MainTranslator]: Completed pre-run
[2022-10-16 17:27:49,913 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-16 17:27:49,928 INFO  L208         MainTranslator]: Completed translation
[2022-10-16 17:27:49,929 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49 WrapperNode
[2022-10-16 17:27:49,929 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-16 17:27:49,930 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-16 17:27:49,930 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-16 17:27:49,930 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-16 17:27:49,939 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,947 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,969 INFO  L138                Inliner]: procedures = 12, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40
[2022-10-16 17:27:49,970 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-16 17:27:49,970 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-16 17:27:49,971 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-16 17:27:49,971 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-16 17:27:49,981 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,981 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,983 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,983 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,988 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,990 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,991 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,992 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:49,994 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-16 17:27:49,995 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-16 17:27:49,996 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-16 17:27:49,996 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-16 17:27:49,997 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (1/1) ...
[2022-10-16 17:27:50,004 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-16 17:27:50,018 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-16 17:27:50,037 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 17:27:50,061 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 17:27:50,108 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-10-16 17:27:50,109 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-10-16 17:27:50,109 INFO  L130     BoogieDeclarations]: Found specification of procedure g
[2022-10-16 17:27:50,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure g
[2022-10-16 17:27:50,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-16 17:27:50,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-16 17:27:50,110 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-10-16 17:27:50,110 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-16 17:27:50,202 INFO  L235             CfgBuilder]: Building ICFG
[2022-10-16 17:27:50,205 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-16 17:27:50,497 INFO  L276             CfgBuilder]: Performing block encoding
[2022-10-16 17:27:50,511 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-16 17:27:50,511 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-16 17:27:50,520 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:27:50 BoogieIcfgContainer
[2022-10-16 17:27:50,521 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-16 17:27:50,523 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-16 17:27:50,523 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-16 17:27:50,527 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-16 17:27:50,527 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:27:49" (1/3) ...
[2022-10-16 17:27:50,528 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449f6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:27:50, skipping insertion in model container
[2022-10-16 17:27:50,528 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:27:49" (2/3) ...
[2022-10-16 17:27:50,528 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449f6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:27:50, skipping insertion in model container
[2022-10-16 17:27:50,529 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:27:50" (3/3) ...
[2022-10-16 17:27:50,530 INFO  L112   eAbstractionObserver]: Analyzing ICFG rec_malloc_ex6.i
[2022-10-16 17:27:50,551 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-16 17:27:50,552 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2022-10-16 17:27:50,610 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-16 17:27:50,620 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@508733e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-16 17:27:50,638 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2022-10-16 17:27:50,643 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 29 states, 17 states have (on average 1.588235294117647) internal successors, (27), 27 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-10-16 17:27:50,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-16 17:27:50,651 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-16 17:27:50,652 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-16 17:27:50,652 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] ===
[2022-10-16 17:27:50,658 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-16 17:27:50,659 INFO  L85        PathProgramCache]: Analyzing trace with hash 44751, now seen corresponding path program 1 times
[2022-10-16 17:27:50,669 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-16 17:27:50,670 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423443967]
[2022-10-16 17:27:50,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-16 17:27:50,671 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-16 17:27:50,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-10-16 17:27:50,812 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-10-16 17:27:50,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-10-16 17:27:50,854 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-10-16 17:27:50,857 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2022-10-16 17:27:50,858 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2022-10-16 17:27:50,860 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2022-10-16 17:27:50,861 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2022-10-16 17:27:50,862 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location gErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2022-10-16 17:27:50,862 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location gErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2022-10-16 17:27:50,862 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2022-10-16 17:27:50,863 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2022-10-16 17:27:50,863 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2022-10-16 17:27:50,864 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-16 17:27:50,869 INFO  L444         BasicCegarLoop]: Path program histogram: [1]
[2022-10-16 17:27:50,876 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-10-16 17:27:50,901 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:27:50 BoogieIcfgContainer
[2022-10-16 17:27:50,901 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-16 17:27:50,903 INFO  L158              Benchmark]: Toolchain (without parser) took 1218.39ms. Allocated memory is still 162.5MB. Free memory was 136.9MB in the beginning and 133.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB.
[2022-10-16 17:27:50,904 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 162.5MB. Free memory was 132.1MB in the beginning and 132.0MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-10-16 17:27:50,905 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 239.98ms. Allocated memory is still 162.5MB. Free memory was 136.8MB in the beginning and 127.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-10-16 17:27:50,906 INFO  L158              Benchmark]: Boogie Procedure Inliner took 39.89ms. Allocated memory is still 162.5MB. Free memory was 127.5MB in the beginning and 125.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-10-16 17:27:50,907 INFO  L158              Benchmark]: Boogie Preprocessor took 24.11ms. Allocated memory is still 162.5MB. Free memory was 125.9MB in the beginning and 124.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-10-16 17:27:50,908 INFO  L158              Benchmark]: RCFGBuilder took 525.26ms. Allocated memory is still 162.5MB. Free memory was 124.8MB in the beginning and 112.5MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-10-16 17:27:50,909 INFO  L158              Benchmark]: TraceAbstraction took 378.74ms. Allocated memory is still 162.5MB. Free memory was 111.8MB in the beginning and 133.6MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 8.0GB.
[2022-10-16 17:27:50,914 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 162.5MB. Free memory was 132.1MB in the beginning and 132.0MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 239.98ms. Allocated memory is still 162.5MB. Free memory was 136.8MB in the beginning and 127.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 39.89ms. Allocated memory is still 162.5MB. Free memory was 127.5MB in the beginning and 125.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 24.11ms. Allocated memory is still 162.5MB. Free memory was 125.9MB in the beginning and 124.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 525.26ms. Allocated memory is still 162.5MB. Free memory was 124.8MB in the beginning and 112.5MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 378.74ms. Allocated memory is still 162.5MB. Free memory was 111.8MB in the beginning and 133.6MB in the end (delta: -21.8MB). There was no memory consumed. 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
  - CounterExampleResult [Line: 13]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L46]        int *p1  = malloc(sizeof(int));
[L47]        int *p2  = malloc(sizeof(int));
[L49]        *p1 = __VERIFIER_nondet_int()
[L50]        *p2 = __VERIFIER_nondet_int()
[L52]  CALL  f(p1,p2)
[L13]  EXPR  \read(*p)
[L13]  EXPR  \read(*q)
       VAL   [\read(*p)=2147483646, \read(*q)=2, p={-2:0}, p={-2:0}, q={-1:0}, q={-1:0}]
[L13]        *p + *q
       VAL   [\read(*p)=2147483646, \read(*q)=2, p={-2:0}, p={-2:0}, q={-1:0}, q={-1:0}]

  - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 13]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect!
[2022-10-16 17:27:50,969 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...