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/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i


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This is Ultimate 0.1.23-2f49842
[2018-01-20 22:09:48,951 INFO  L170        SettingsManager]: Resetting all preferences to default values...
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[2018-01-20 22:09:48,997 INFO  L98         SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf
[2018-01-20 22:09:49,006 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-01-20 22:09:49,006 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-20 22:09:49,007 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-20 22:09:49,007 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-01-20 22:09:49,007 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-20 22:09:49,008 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-20 22:09:49,008 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-01-20 22:09:49,008 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-20 22:09:49,009 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-01-20 22:09:49,009 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-01-20 22:09:49,009 INFO  L133        SettingsManager]:  * Check allocation purity=true
[2018-01-20 22:09:49,009 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-01-20 22:09:49,009 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-01-20 22:09:49,009 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-01-20 22:09:49,010 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-01-20 22:09:49,010 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-20 22:09:49,010 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-01-20 22:09:49,010 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-01-20 22:09:49,010 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-01-20 22:09:49,010 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-01-20 22:09:49,011 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-20 22:09:49,011 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-01-20 22:09:49,011 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-01-20 22:09:49,011 INFO  L133        SettingsManager]:  * Add additional assume for each assert=false
[2018-01-20 22:09:49,011 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-01-20 22:09:49,012 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-20 22:09:49,012 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-20 22:09:49,012 INFO  L133        SettingsManager]:  * Interpolant automaton=TWOTRACK
[2018-01-20 22:09:49,012 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-01-20 22:09:49,012 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-20 22:09:49,012 INFO  L133        SettingsManager]:  * Stop after first violation was found=false
[2018-01-20 22:09:49,013 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-01-20 22:09:49,013 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-20 22:09:49,013 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-20 22:09:49,013 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-20 22:09:49,014 INFO  L131        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-20 22:09:49,014 INFO  L133        SettingsManager]:  * TransformationType=HEAP_SEPARATOR
[2018-01-20 22:09:49,048 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-20 22:09:49,061 INFO  L266   ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-20 22:09:49,065 INFO  L222   ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-20 22:09:49,066 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-01-20 22:09:49,067 INFO  L276        PluginConnector]: CDTParser initialized
[2018-01-20 22:09:49,068 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i
[2018-01-20 22:09:49,225 INFO  L304   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-20 22:09:49,229 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-01-20 22:09:49,230 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-20 22:09:49,230 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-20 22:09:49,237 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-20 22:09:49,238 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,242 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459b4051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49, skipping insertion in model container
[2018-01-20 22:09:49,242 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,258 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-20 22:09:49,296 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-20 22:09:49,402 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-20 22:09:49,416 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-20 22:09:49,427 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49 WrapperNode
[2018-01-20 22:09:49,427 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-20 22:09:49,428 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-20 22:09:49,428 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-20 22:09:49,428 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-01-20 22:09:49,444 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,445 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,453 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,453 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,456 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,457 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,458 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
[2018-01-20 22:09:49,459 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-20 22:09:49,460 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-20 22:09:49,460 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-01-20 22:09:49,460 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-01-20 22:09:49,461 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (1/1) ...
No working directory specified, using /storage/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
[2018-01-20 22:09:49,512 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-20 22:09:49,512 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-20 22:09:49,512 INFO  L136     BoogieDeclarations]: Found implementation of procedure main
[2018-01-20 22:09:49,512 INFO  L128     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure write~int
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure read~int
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure malloc
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure free
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-01-20 22:09:49,513 INFO  L128     BoogieDeclarations]: Found specification of procedure main
[2018-01-20 22:09:49,514 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-20 22:09:49,514 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-20 22:09:49,670 INFO  L257             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-20 22:09:49,671 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:09:49 BoogieIcfgContainer
[2018-01-20 22:09:49,671 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-20 22:09:49,671 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-01-20 22:09:49,671 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-01-20 22:09:49,673 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-01-20 22:09:49,673 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:09:49" (1/3) ...
[2018-01-20 22:09:49,674 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78513321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:09:49, skipping insertion in model container
[2018-01-20 22:09:49,674 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:09:49" (2/3) ...
[2018-01-20 22:09:49,675 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78513321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:09:49, skipping insertion in model container
[2018-01-20 22:09:49,675 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:09:49" (3/3) ...
[2018-01-20 22:09:49,676 INFO  L105   eAbstractionObserver]: Analyzing ICFG test-0158_1_true-valid-memsafety_true-termination.i
[2018-01-20 22:09:49,682 INFO  L130   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-01-20 22:09:49,689 INFO  L142   ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-01-20 22:09:49,732 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-01-20 22:09:49,732 INFO  L323      AbstractCegarLoop]: Hoare is true
[2018-01-20 22:09:49,732 INFO  L324      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-20 22:09:49,733 INFO  L325      AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-20 22:09:49,733 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-20 22:09:49,733 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-01-20 22:09:49,733 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-20 22:09:49,733 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation========
[2018-01-20 22:09:49,734 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-20 22:09:49,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states.
[2018-01-20 22:09:49,752 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2018-01-20 22:09:49,752 INFO  L314         BasicCegarLoop]: Found error trace
[2018-01-20 22:09:49,755 INFO  L322         BasicCegarLoop]: trace histogram [1, 1, 1]
[2018-01-20 22:09:49,755 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]===
[2018-01-20 22:09:49,760 INFO  L82        PathProgramCache]: Analyzing trace with hash 63331, now seen corresponding path program 1 times
[2018-01-20 22:09:49,763 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-20 22:09:49,763 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-20 22:09:49,808 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-20 22:09:49,808 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-20 22:09:49,809 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-20 22:09:49,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-20 22:09:49,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-20 22:09:49,857 INFO  L381         BasicCegarLoop]: Counterexample might be feasible
[2018-01-20 22:09:49,863 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-20 22:09:49,869 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-01-20 22:09:49,869 INFO  L323      AbstractCegarLoop]: Hoare is true
[2018-01-20 22:09:49,869 INFO  L324      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-20 22:09:49,869 INFO  L325      AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-20 22:09:49,869 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-20 22:09:49,869 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-01-20 22:09:49,870 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-20 22:09:49,870 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation========
[2018-01-20 22:09:49,870 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-20 22:09:49,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states.
[2018-01-20 22:09:49,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-01-20 22:09:49,872 INFO  L314         BasicCegarLoop]: Found error trace
[2018-01-20 22:09:49,872 INFO  L322         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-20 22:09:49,872 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]===
[2018-01-20 22:09:49,872 INFO  L82        PathProgramCache]: Analyzing trace with hash -58713941, now seen corresponding path program 1 times
[2018-01-20 22:09:49,872 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-20 22:09:49,873 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-20 22:09:49,873 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-20 22:09:49,874 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-20 22:09:49,874 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-20 22:09:49,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-20 22:09:49,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-20 22:09:49,947 INFO  L381         BasicCegarLoop]: Counterexample might be feasible
[2018-01-20 22:09:49,950 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-20 22:09:49,953 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-20 22:09:49,954 WARN  L343   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2018-01-20 22:09:49,961 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-01-20 22:09:49,961 INFO  L323      AbstractCegarLoop]: Hoare is true
[2018-01-20 22:09:49,961 INFO  L324      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-20 22:09:49,961 INFO  L325      AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-20 22:09:49,961 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-20 22:09:49,962 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-01-20 22:09:49,962 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-20 22:09:49,962 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation========
[2018-01-20 22:09:49,962 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-20 22:09:49,964 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states.
[2018-01-20 22:09:49,965 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-01-20 22:09:49,965 INFO  L314         BasicCegarLoop]: Found error trace
[2018-01-20 22:09:49,965 INFO  L322         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-20 22:09:49,965 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]===
[2018-01-20 22:09:49,966 INFO  L82        PathProgramCache]: Analyzing trace with hash 2118372304, now seen corresponding path program 1 times
[2018-01-20 22:09:49,966 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-20 22:09:49,966 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-20 22:09:49,968 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-20 22:09:49,968 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-20 22:09:49,968 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-20 22:09:49,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-20 22:09:50,003 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-01-20 22:09:50,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-20 22:09:50,496 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-20 22:09:50,496 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-01-20 22:09:50,497 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-01-20 22:09:50,506 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-01-20 22:09:50,507 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2018-01-20 22:09:50,509 INFO  L87              Difference]: Start difference. First operand 27 states. Second operand 8 states.
[2018-01-20 22:09:50,919 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-20 22:09:50,919 INFO  L93              Difference]: Finished difference Result 27 states and 28 transitions.
[2018-01-20 22:09:50,920 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2018-01-20 22:09:50,921 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 19
[2018-01-20 22:09:50,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-20 22:09:50,926 INFO  L225             Difference]: With dead ends: 27
[2018-01-20 22:09:50,927 INFO  L226             Difference]: Without dead ends: 0
[2018-01-20 22:09:50,930 INFO  L525         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2018-01-20 22:09:50,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-01-20 22:09:50,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-01-20 22:09:50,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-01-20 22:09:50,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-01-20 22:09:50,952 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2018-01-20 22:09:50,952 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-01-20 22:09:50,953 INFO  L432      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-01-20 22:09:50,953 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-01-20 22:09:50,953 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-01-20 22:09:50,953 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2018-01-20 22:09:50,957 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 10:09:50 BoogieIcfgContainer
[2018-01-20 22:09:50,957 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-01-20 22:09:50,959 INFO  L168              Benchmark]: Toolchain (without parser) took 1732.80 ms. Allocated memory was 305.1 MB in the beginning and 464.5 MB in the end (delta: 159.4 MB). Free memory was 263.4 MB in the beginning and 383.8 MB in the end (delta: -120.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 5.3 GB.
[2018-01-20 22:09:50,960 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 305.1 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-20 22:09:50,960 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 197.41 ms. Allocated memory is still 305.1 MB. Free memory was 263.4 MB in the beginning and 252.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB.
[2018-01-20 22:09:50,961 INFO  L168              Benchmark]: Boogie Preprocessor took 31.42 ms. Allocated memory is still 305.1 MB. Free memory was 252.4 MB in the beginning and 251.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB.
[2018-01-20 22:09:50,961 INFO  L168              Benchmark]: RCFGBuilder took 211.01 ms. Allocated memory is still 305.1 MB. Free memory was 251.4 MB in the beginning and 236.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB.
[2018-01-20 22:09:50,962 INFO  L168              Benchmark]: TraceAbstraction took 1286.31 ms. Allocated memory was 305.1 MB in the beginning and 464.5 MB in the end (delta: 159.4 MB). Free memory was 235.8 MB in the beginning and 383.8 MB in the end (delta: -147.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 5.3 GB.
[2018-01-20 22:09:50,964 INFO  L344   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 305.1 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
 * CACSL2BoogieTranslator took 197.41 ms. Allocated memory is still 305.1 MB. Free memory was 263.4 MB in the beginning and 252.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB.
 * Boogie Preprocessor took 31.42 ms. Allocated memory is still 305.1 MB. Free memory was 252.4 MB in the beginning and 251.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB.
 * RCFGBuilder took 211.01 ms. Allocated memory is still 305.1 MB. Free memory was 251.4 MB in the beginning and 236.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB.
 * TraceAbstraction took 1286.31 ms. Allocated memory was 305.1 MB in the beginning and 464.5 MB in the end (delta: 159.4 MB). Free memory was 235.8 MB in the beginning and 383.8 MB in the end (delta: -147.9 MB). Peak memory consumption was 11.4 MB. 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)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 1]: not all allocated memory was freed
    not all allocated memory was freed
We found a FailurePath: 

  - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation
    CFG has 3 procedures, 27 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available
  - CounterExampleResult [Line: 1]: not all allocated memory was freed
    not all allocated memory was freed
We found a FailurePath: 
[L622-L629]  FCALL        union {
        void *p0;
        struct {
            char c[2];
            int p1;
            int p2;
        } str;
    } data;
             VAL          [data={40:0}]
[L630]       EXPR, FCALL  malloc(37U)
             VAL          [data={40:0}, malloc(37U)={43:0}]
[L630]       FCALL        data.p0 = malloc(37U)
             VAL          [data={40:0}, malloc(37U)={43:0}]
[L631]       COND TRUE    __VERIFIER_nondet_int()
[L632]       FCALL        data.str.p2 = 20
             VAL          [data={40:0}, malloc(37U)={43:0}]
[L636]       EXPR, FCALL  data.str.p2
             VAL          [data={40:0}, data.str.p2=20, malloc(37U)={43:0}]
[L636]       COND FALSE   !(20 > data.str.p2)
[L639]       EXPR, FCALL  data.p0
             VAL          [data={40:0}, data.p0={43:0}, malloc(37U)={43:0}]
[L639]       FCALL        free(data.p0)
             VAL          [data={40:0}, data.p0={43:0}, malloc(37U)={43:0}]
[L640]                    return 0;
             VAL          [\result=0, data={40:0}, malloc(37U)={43:0}]
[L640]                    return 0;

  - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation
    CFG has 3 procedures, 27 locations, 3 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available
  - PositiveResult [Line: 620]: all allocated memory was freed
    For all program executions holds that all allocated memory was freed at this location
  - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation
    CFG has 3 procedures, 27 locations, 3 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 14 SDslu, 17 SDs, 0 SdLazy, 91 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 4680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_22-09-50-973.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_22-09-50-973.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_22-09-50-973.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_22-09-50-973.csv
Received shutdown request...