java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i


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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:16:52,971 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:16:52,973 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-02-04 04:16:53,001 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
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[2018-02-04 04:16:53,004 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2018-02-04 04:16:53,007 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2018-02-04 04:16:53,012 INFO  L98         SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf
[2018-02-04 04:16:53,022 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-02-04 04:16:53,022 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:16:53,023 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:16:53,023 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-02-04 04:16:53,024 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-02-04 04:16:53,024 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:16:53,024 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-02-04 04:16:53,024 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:16:53,024 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * Bitprecise bitfields=true
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:16:53,025 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-02-04 04:16:53,026 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:16:53,026 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-02-04 04:16:53,026 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-02-04 04:16:53,026 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-02-04 04:16:53,026 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:16:53,026 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:16:53,027 INFO  L133        SettingsManager]:  * Interpolant automaton=TWOTRACK
[2018-02-04 04:16:53,027 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-02-04 04:16:53,027 INFO  L133        SettingsManager]:  * Trace refinement strategy=SMTINTERPOL
[2018-02-04 04:16:53,054 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:16:53,062 INFO  L266   ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:16:53,065 INFO  L222   ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:16:53,066 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-02-04 04:16:53,067 INFO  L276        PluginConnector]: CDTParser initialized
[2018-02-04 04:16:53,067 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i
[2018-02-04 04:16:53,237 INFO  L304   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:16:53,238 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:16:53,239 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:16:53,239 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:16:53,244 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:16:53,245 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,248 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b275d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53, skipping insertion in model container
[2018-02-04 04:16:53,248 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,259 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-02-04 04:16:53,293 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-02-04 04:16:53,376 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-02-04 04:16:53,386 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-02-04 04:16:53,390 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53 WrapperNode
[2018-02-04 04:16:53,390 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:16:53,391 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:16:53,392 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:16:53,392 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:16:53,406 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,406 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,414 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,414 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,416 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,417 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,418 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
[2018-02-04 04:16:53,419 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:16:53,419 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:16:53,420 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:16:53,420 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:16:53,421 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (1/1) ...
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:16:53,455 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:16:53,455 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:16:53,456 INFO  L136     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2018-02-04 04:16:53,456 INFO  L136     BoogieDeclarations]: Found implementation of procedure alloc_8
[2018-02-04 04:16:53,456 INFO  L136     BoogieDeclarations]: Found implementation of procedure entry_point
[2018-02-04 04:16:53,456 INFO  L136     BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2018-02-04 04:16:53,456 INFO  L128     BoogieDeclarations]: Found specification of procedure alloc_8
[2018-02-04 04:16:53,457 INFO  L128     BoogieDeclarations]: Found specification of procedure entry_point
[2018-02-04 04:16:53,457 INFO  L128     BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:16:53,457 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:16:53,457 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:16:53,537 INFO  L257             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:16:53,537 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:16:53 BoogieIcfgContainer
[2018-02-04 04:16:53,537 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:16:53,538 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:16:53,538 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:16:53,540 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:16:53,540 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:16:53" (1/3) ...
[2018-02-04 04:16:53,541 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e9fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:16:53, skipping insertion in model container
[2018-02-04 04:16:53,541 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:53" (2/3) ...
[2018-02-04 04:16:53,541 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e9fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:16:53, skipping insertion in model container
[2018-02-04 04:16:53,541 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:16:53" (3/3) ...
[2018-02-04 04:16:53,542 INFO  L107   eAbstractionObserver]: Analyzing ICFG memleaks_test8_1_false-valid-memtrack_true-termination.i
[2018-02-04 04:16:53,547 INFO  L128   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:16:53,550 INFO  L140   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-02-04 04:16:53,571 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:16:53,571 INFO  L323      AbstractCegarLoop]: Hoare is false
[2018-02-04 04:16:53,571 INFO  L324      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-04 04:16:53,571 INFO  L325      AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-04 04:16:53,571 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:16:53,572 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-02-04 04:16:53,572 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:16:53,572 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:16:53,572 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:16:53,579 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states.
[2018-02-04 04:16:53,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-02-04 04:16:53,585 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-04 04:16:53,585 INFO  L351         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:16:53,585 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]===
[2018-02-04 04:16:53,588 INFO  L82        PathProgramCache]: Analyzing trace with hash 461048067, now seen corresponding path program 1 times
[2018-02-04 04:16:53,589 INFO  L213   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:16:53,589 INFO  L67    tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:16:53,622 INFO  L125   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:16:53,622 INFO  L109   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:16:53,622 INFO  L125   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:16:53,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:16:53,656 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:16:53,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:16:53,734 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:16:53,734 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-04 04:16:53,735 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-04 04:16:53,743 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-04 04:16:53,743 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 04:16:53,745 INFO  L87              Difference]: Start difference. First operand 25 states. Second operand 3 states.
[2018-02-04 04:16:53,854 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:16:53,854 INFO  L93              Difference]: Finished difference Result 34 states and 34 transitions.
[2018-02-04 04:16:53,854 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-02-04 04:16:53,855 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2018-02-04 04:16:53,855 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:16:53,861 INFO  L225             Difference]: With dead ends: 34
[2018-02-04 04:16:53,861 INFO  L226             Difference]: Without dead ends: 22
[2018-02-04 04:16:53,863 INFO  L554         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 04:16:53,875 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2018-02-04 04:16:53,883 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2018-02-04 04:16:53,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2018-02-04 04:16:53,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions.
[2018-02-04 04:16:53,885 INFO  L78                 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 19
[2018-02-04 04:16:53,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:16:53,885 INFO  L432      AbstractCegarLoop]: Abstraction has 22 states and 21 transitions.
[2018-02-04 04:16:53,885 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-04 04:16:53,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions.
[2018-02-04 04:16:53,886 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-02-04 04:16:53,886 INFO  L343         BasicCegarLoop]: Found error trace
[2018-02-04 04:16:53,886 INFO  L351         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:16:53,886 INFO  L371      AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]===
[2018-02-04 04:16:53,886 INFO  L82        PathProgramCache]: Analyzing trace with hash 477136325, now seen corresponding path program 1 times
[2018-02-04 04:16:53,886 INFO  L213   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:16:53,887 INFO  L67    tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:16:53,888 INFO  L125   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:16:53,888 INFO  L109   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:16:53,889 INFO  L125   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:16:53,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-02-04 04:16:53,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-02-04 04:16:53,950 INFO  L410         BasicCegarLoop]: Counterexample might be feasible
[2018-02-04 04:16:53,959 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-02-04 04:16:53,968 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 04:16:53 BoogieIcfgContainer
[2018-02-04 04:16:53,968 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-02-04 04:16:53,969 INFO  L168              Benchmark]: Toolchain (without parser) took 731.78 ms. Allocated memory was 403.2 MB in the beginning and 609.2 MB in the end (delta: 206.0 MB). Free memory was 359.9 MB in the beginning and 569.8 MB in the end (delta: -210.0 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:16:53,970 INFO  L168              Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 403.2 MB. Free memory is still 366.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:16:53,970 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 152.21 ms. Allocated memory is still 403.2 MB. Free memory was 359.9 MB in the beginning and 348.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB.
[2018-02-04 04:16:53,971 INFO  L168              Benchmark]: Boogie Preprocessor took 27.80 ms. Allocated memory is still 403.2 MB. Free memory was 348.0 MB in the beginning and 345.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:16:53,971 INFO  L168              Benchmark]: RCFGBuilder took 117.78 ms. Allocated memory is still 403.2 MB. Free memory was 345.3 MB in the beginning and 332.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:16:53,971 INFO  L168              Benchmark]: TraceAbstraction took 430.88 ms. Allocated memory was 403.2 MB in the beginning and 609.2 MB in the end (delta: 206.0 MB). Free memory was 332.1 MB in the beginning and 569.8 MB in the end (delta: -237.8 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:16:53,974 INFO  L344   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14 ms. Allocated memory is still 403.2 MB. Free memory is still 366.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
 * CACSL2BoogieTranslator took 152.21 ms. Allocated memory is still 403.2 MB. Free memory was 359.9 MB in the beginning and 348.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB.
 * Boogie Preprocessor took 27.80 ms. Allocated memory is still 403.2 MB. Free memory was 348.0 MB in the beginning and 345.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
 * RCFGBuilder took 117.78 ms. Allocated memory is still 403.2 MB. Free memory was 345.3 MB in the beginning and 332.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB.
 * TraceAbstraction took 430.88 ms. Allocated memory was 403.2 MB in the beginning and 609.2 MB in the end (delta: 206.0 MB). Free memory was 332.1 MB in the beginning and 569.8 MB in the end (delta: -237.8 MB). There was no memory consumed. Max. memory is 5.3 GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 1450]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 1450. 
Possible FailurePath: 
[L1434]               int *a8;
         VAL          [\old(a8)=0, \old(a8)=0, a8={0:0}]
[L1451]  CALL         entry_point()
         VAL          [\old(a8)=0, \old(a8)=0, a8={0:0}]
[L1445]  CALL         alloc_8()
         VAL          [\old(a8)=0, \old(a8)=0, a8={0:0}]
[L1437]  CALL, EXPR   ldv_malloc(sizeof(int))
         VAL          [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}]
[L1073]  COND TRUE    __VERIFIER_nondet_int()
[L1074]  EXPR, FCALL  malloc(size)
         VAL          [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}, malloc(size)={7:0}, size=4]
[L1074]  RET          return malloc(size);
         VAL          [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={7:0}, a8={0:0}, malloc(size)={7:0}, size=4]
[L1437]  EXPR         ldv_malloc(sizeof(int))
         VAL          [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_malloc(sizeof(int))={7:0}]
[L1437]  RET          a8 = (int *)ldv_malloc(sizeof(int))
[L1445]               alloc_8()
         VAL          [\old(a8)=0, \old(a8)=0, a8={7:0}]
[L1447]  RET          a8 = 0
         VAL          [\old(a8)=0, \old(a8)=0, a8={0:0}]
[L1451]               entry_point()
         VAL          [\old(a8)=0, \old(a8)=0, a8={0:0}]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 2 SDslu, 9 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-16-53-981.csv
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_04-16-53-981.csv
Received shutdown request...