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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-deref.i


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


This is Ultimate 0.1.23-1cceb4a
[2018-01-30 02:14:36,680 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-01-30 02:14:36,681 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-01-30 02:14:36,720 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2018-01-30 02:14:36,720 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-01-30 02:14:36,722 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2018-01-30 02:14:36,727 INFO  L98         SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf
[2018-01-30 02:14:36,738 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-01-30 02:14:36,740 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-30 02:14:36,741 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-30 02:14:36,741 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-01-30 02:14:36,741 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-30 02:14:36,742 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-30 02:14:36,742 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-01-30 02:14:36,742 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-30 02:14:36,743 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-01-30 02:14:36,743 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-01-30 02:14:36,743 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-01-30 02:14:36,743 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-01-30 02:14:36,743 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-01-30 02:14:36,744 INFO  L133        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2018-01-30 02:14:36,744 INFO  L133        SettingsManager]:  * Bitprecise bitfields=true
[2018-01-30 02:14:36,744 INFO  L133        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2018-01-30 02:14:36,744 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-30 02:14:36,745 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-01-30 02:14:36,745 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-30 02:14:36,745 INFO  L133        SettingsManager]:  * Size of a code block=SingleStatement
[2018-01-30 02:14:36,745 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-01-30 02:14:36,745 INFO  L133        SettingsManager]:  * Add additional assume for each assert=false
[2018-01-30 02:14:36,746 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-01-30 02:14:36,746 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-30 02:14:36,746 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-30 02:14:36,746 INFO  L133        SettingsManager]:  * Interpolant automaton=TWOTRACK
[2018-01-30 02:14:36,746 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-01-30 02:14:36,747 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-30 02:14:36,747 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-01-30 02:14:36,747 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-30 02:14:36,747 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-30 02:14:36,747 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-30 02:14:36,750 INFO  L131        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-30 02:14:36,750 INFO  L133        SettingsManager]:  * TransformationType=HEAP_SEPARATOR
[2018-01-30 02:14:36,799 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-30 02:14:36,813 INFO  L266   ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-30 02:14:36,817 INFO  L222   ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-30 02:14:36,819 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-01-30 02:14:36,819 INFO  L276        PluginConnector]: CDTParser initialized
[2018-01-30 02:14:36,820 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-deref.i
[2018-01-30 02:14:37,033 INFO  L304   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-30 02:14:37,039 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-01-30 02:14:37,040 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-30 02:14:37,040 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-30 02:14:37,046 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-30 02:14:37,047 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,050 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31eb5cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37, skipping insertion in model container
[2018-01-30 02:14:37,051 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,065 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-30 02:14:37,107 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-30 02:14:37,222 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-30 02:14:37,239 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-30 02:14:37,245 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37 WrapperNode
[2018-01-30 02:14:37,246 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-30 02:14:37,246 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-30 02:14:37,247 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-30 02:14:37,247 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-01-30 02:14:37,258 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,258 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,269 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,269 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,274 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,278 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,279 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,281 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-30 02:14:37,282 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-30 02:14:37,282 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-01-30 02:14:37,282 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-01-30 02:14:37,283 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (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
[2018-01-30 02:14:37,335 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-30 02:14:37,335 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-30 02:14:37,336 INFO  L136     BoogieDeclarations]: Found implementation of procedure foo
[2018-01-30 02:14:37,336 INFO  L136     BoogieDeclarations]: Found implementation of procedure main
[2018-01-30 02:14:37,336 INFO  L128     BoogieDeclarations]: Found specification of procedure write~int
[2018-01-30 02:14:37,336 INFO  L128     BoogieDeclarations]: Found specification of procedure read~int
[2018-01-30 02:14:37,336 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-30 02:14:37,336 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-30 02:14:37,337 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-30 02:14:37,337 INFO  L128     BoogieDeclarations]: Found specification of procedure malloc
[2018-01-30 02:14:37,337 INFO  L128     BoogieDeclarations]: Found specification of procedure free
[2018-01-30 02:14:37,337 INFO  L128     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-01-30 02:14:37,337 INFO  L128     BoogieDeclarations]: Found specification of procedure foo
[2018-01-30 02:14:37,337 INFO  L128     BoogieDeclarations]: Found specification of procedure main
[2018-01-30 02:14:37,338 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-30 02:14:37,338 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-30 02:14:37,606 INFO  L257             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-30 02:14:37,607 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:14:37 BoogieIcfgContainer
[2018-01-30 02:14:37,607 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-30 02:14:37,607 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2018-01-30 02:14:37,607 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2018-01-30 02:14:37,608 INFO  L276        PluginConnector]: IcfgTransformer initialized
[2018-01-30 02:14:37,613 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:14:37" (1/1) ...
[2018-01-30 02:14:37,627 INFO  L103   apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning
[2018-01-30 02:14:37,627 INFO  L104   apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int]
[2018-01-30 02:14:37,628 INFO  L150   apSepIcfgTransformer]: starting freeze-var-style preprocessing
[2018-01-30 02:14:37,692 INFO  L162   apSepIcfgTransformer]: finished StoreIndexFreezer, created 13 freeze vars and freeze var literals (each corresponds to one heap write)
[2018-01-30 02:14:37,735 INFO  L221   apSepIcfgTransformer]: finished preprocessing for the equality analysis
[2018-01-30 02:14:37,815 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2)
[2018-01-30 02:15:10,757 INFO  L311    AbstractInterpreter]: Visited 83 different actions 399 times. Merged at 53 different actions 207 times. Widened at 1 different actions 6 times. Found 21 fixpoints after 5 different actions. Largest state had 69 variables.
[2018-01-30 02:15:10,760 INFO  L229   apSepIcfgTransformer]: finished equality analysis
[2018-01-30 02:15:10,772 INFO  L244     HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 4
[2018-01-30 02:15:10,773 INFO  L241   apSepIcfgTransformer]: Finished pre analysis before partitioning
[2018-01-30 02:15:10,773 INFO  L242   apSepIcfgTransformer]:   array groups: Set: 
	[#memory_int]
[2018-01-30 02:15:10,774 INFO  L244   apSepIcfgTransformer]:   select infos: Set: 
	((select |v_#memory_int_8| |v_main_#t~post8.base_3|), at (SUMMARY for call write~int(0, #t~post8.base, #t~post8.offset, 4); srcloc: L638''))
	((select |v_#memory_int_2| v_~b.base_2), at (SUMMARY for call write~int(~n, ~b.base, ~b.offset + ~i~4 * 4, 4); srcloc: L628))
	((select |v_#memory_int_4| v_~a.base_2), at (SUMMARY for call write~int(~n, ~a.base, ~a.offset + ~i~4 * 4, 4); srcloc: L626))
	((select (select |v_#memory_int_11| v_~b.base_12) (+ v_~b.offset_11 (- 8))), at (SUMMARY for call #t~mem10 := read~int(~b.base, ~b.offset + -8, 4); srcloc: L639'))
[2018-01-30 02:15:10,793 INFO  L547       PartitionManager]: partitioning result:
[2018-01-30 02:15:10,793 INFO  L552       PartitionManager]: 	 location blocks for array group [#memory_int]
[2018-01-30 02:15:10,793 INFO  L561       PartitionManager]: 	 at dimension 0
[2018-01-30 02:15:10,793 INFO  L562       PartitionManager]: 	 # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 4
[2018-01-30 02:15:10,793 INFO  L563       PartitionManager]: 	 # location blocks :3
[2018-01-30 02:15:10,793 INFO  L561       PartitionManager]: 	 at dimension 1
[2018-01-30 02:15:10,793 INFO  L562       PartitionManager]: 	 # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3
[2018-01-30 02:15:10,794 INFO  L563       PartitionManager]: 	 # location blocks :1
[2018-01-30 02:15:10,794 INFO  L86    ransitionTransformer]: executing heap partitioning transformation
[2018-01-30 02:15:10,821 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 02:15:10 BasicIcfg
[2018-01-30 02:15:10,822 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2018-01-30 02:15:10,823 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-01-30 02:15:10,823 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-01-30 02:15:10,826 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-01-30 02:15:10,827 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:14:37" (1/4) ...
[2018-01-30 02:15:10,828 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187de6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:15:10, skipping insertion in model container
[2018-01-30 02:15:10,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:14:37" (2/4) ...
[2018-01-30 02:15:10,828 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187de6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:15:10, skipping insertion in model container
[2018-01-30 02:15:10,829 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:14:37" (3/4) ...
[2018-01-30 02:15:10,829 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187de6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:15:10, skipping insertion in model container
[2018-01-30 02:15:10,829 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 02:15:10" (4/4) ...
[2018-01-30 02:15:10,832 INFO  L107   eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg
[2018-01-30 02:15:10,901 INFO  L128   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-01-30 02:15:10,911 INFO  L140   ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations.
[2018-01-30 02:15:10,954 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-01-30 02:15:10,954 INFO  L323      AbstractCegarLoop]: Hoare is true
[2018-01-30 02:15:10,954 INFO  L324      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-30 02:15:10,954 INFO  L325      AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-30 02:15:10,955 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-30 02:15:10,955 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-01-30 02:15:10,955 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-30 02:15:10,955 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-01-30 02:15:10,956 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-30 02:15:10,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states.
[2018-01-30 02:15:10,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-01-30 02:15:10,975 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 02:15:10,976 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 02:15:10,976 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]===
[2018-01-30 02:15:10,979 INFO  L82        PathProgramCache]: Analyzing trace with hash -1182210392, now seen corresponding path program 1 times
[2018-01-30 02:15:10,981 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 02:15:10,981 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 02:15:11,024 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:11,024 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 02:15:11,024 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:11,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-30 02:15:11,065 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-01-30 02:15:11,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-30 02:15:11,107 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-30 02:15:11,107 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-01-30 02:15:11,109 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-01-30 02:15:11,121 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-01-30 02:15:11,123 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-01-30 02:15:11,126 INFO  L87              Difference]: Start difference. First operand 74 states. Second operand 2 states.
[2018-01-30 02:15:11,157 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-30 02:15:11,158 INFO  L93              Difference]: Finished difference Result 130 states and 145 transitions.
[2018-01-30 02:15:11,158 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2018-01-30 02:15:11,159 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 11
[2018-01-30 02:15:11,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-30 02:15:11,172 INFO  L225             Difference]: With dead ends: 130
[2018-01-30 02:15:11,172 INFO  L226             Difference]: Without dead ends: 71
[2018-01-30 02:15:11,178 INFO  L553         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-01-30 02:15:11,201 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2018-01-30 02:15:11,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2018-01-30 02:15:11,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 71 states.
[2018-01-30 02:15:11,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions.
[2018-01-30 02:15:11,245 INFO  L78                 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 11
[2018-01-30 02:15:11,245 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-01-30 02:15:11,245 INFO  L432      AbstractCegarLoop]: Abstraction has 71 states and 76 transitions.
[2018-01-30 02:15:11,245 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-01-30 02:15:11,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions.
[2018-01-30 02:15:11,246 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-01-30 02:15:11,246 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 02:15:11,246 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 02:15:11,246 INFO  L371      AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]===
[2018-01-30 02:15:11,247 INFO  L82        PathProgramCache]: Analyzing trace with hash 874102517, now seen corresponding path program 1 times
[2018-01-30 02:15:11,247 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 02:15:11,248 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 02:15:11,249 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:11,249 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 02:15:11,249 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:11,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-30 02:15:11,305 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-01-30 02:15:11,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-30 02:15:11,487 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-30 02:15:11,487 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-01-30 02:15:11,489 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-01-30 02:15:11,489 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-01-30 02:15:11,489 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-01-30 02:15:11,490 INFO  L87              Difference]: Start difference. First operand 71 states and 76 transitions. Second operand 5 states.
[2018-01-30 02:15:11,797 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-30 02:15:11,797 INFO  L93              Difference]: Finished difference Result 71 states and 76 transitions.
[2018-01-30 02:15:11,808 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2018-01-30 02:15:11,808 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2018-01-30 02:15:11,808 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-30 02:15:11,810 INFO  L225             Difference]: With dead ends: 71
[2018-01-30 02:15:11,810 INFO  L226             Difference]: Without dead ends: 68
[2018-01-30 02:15:11,811 INFO  L553         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2018-01-30 02:15:11,811 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2018-01-30 02:15:11,817 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2018-01-30 02:15:11,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2018-01-30 02:15:11,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions.
[2018-01-30 02:15:11,819 INFO  L78                 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 14
[2018-01-30 02:15:11,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-01-30 02:15:11,820 INFO  L432      AbstractCegarLoop]: Abstraction has 68 states and 73 transitions.
[2018-01-30 02:15:11,820 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-01-30 02:15:11,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions.
[2018-01-30 02:15:11,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-01-30 02:15:11,821 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 02:15:11,821 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 02:15:11,821 INFO  L371      AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]===
[2018-01-30 02:15:11,821 INFO  L82        PathProgramCache]: Analyzing trace with hash 874102519, now seen corresponding path program 1 times
[2018-01-30 02:15:11,821 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 02:15:11,821 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 02:15:11,823 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:11,823 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 02:15:11,823 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:11,843 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-30 02:15:11,844 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-01-30 02:15:11,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-30 02:15:11,944 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-30 02:15:11,944 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-01-30 02:15:11,944 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-01-30 02:15:11,945 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-01-30 02:15:11,945 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2018-01-30 02:15:11,945 INFO  L87              Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 6 states.
[2018-01-30 02:15:12,227 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-30 02:15:12,227 INFO  L93              Difference]: Finished difference Result 125 states and 134 transitions.
[2018-01-30 02:15:12,263 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-01-30 02:15:12,263 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 14
[2018-01-30 02:15:12,263 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-30 02:15:12,264 INFO  L225             Difference]: With dead ends: 125
[2018-01-30 02:15:12,264 INFO  L226             Difference]: Without dead ends: 124
[2018-01-30 02:15:12,265 INFO  L553         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2018-01-30 02:15:12,265 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2018-01-30 02:15:12,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 79.
[2018-01-30 02:15:12,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 79 states.
[2018-01-30 02:15:12,273 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions.
[2018-01-30 02:15:12,274 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 14
[2018-01-30 02:15:12,274 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-01-30 02:15:12,274 INFO  L432      AbstractCegarLoop]: Abstraction has 79 states and 85 transitions.
[2018-01-30 02:15:12,274 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-01-30 02:15:12,274 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions.
[2018-01-30 02:15:12,275 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-01-30 02:15:12,275 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 02:15:12,275 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 02:15:12,275 INFO  L371      AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]===
[2018-01-30 02:15:12,275 INFO  L82        PathProgramCache]: Analyzing trace with hash 1701024, now seen corresponding path program 1 times
[2018-01-30 02:15:12,275 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 02:15:12,275 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 02:15:12,276 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:12,276 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 02:15:12,276 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 02:15:12,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-30 02:15:12,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-30 02:15:12,331 INFO  L409         BasicCegarLoop]: Counterexample might be feasible
[2018-01-30 02:15:12,335 INFO  L84    mationBacktranslator]: Skipped ATE [333] [333] ULTIMATE.startENTRY-->L1: Formula: true  InVars {}  OutVars{~n=v_~n_8, #valid=|v_#valid_7|, ~a.base=v_~a.base_5, ~b.offset=v_~b.offset_4, #NULL.offset=|v_#NULL.offset_2|, ~a.offset=v_~a.offset_4, #NULL.base=|v_#NULL.base_2|, ~b.base=v_~b.base_5}  AuxVars[]  AssignedVars[~n, #valid, ~a.base, ~b.offset, #NULL.offset, ~a.offset, #NULL.base, ~b.base]
[2018-01-30 02:15:12,335 INFO  L84    mationBacktranslator]: Skipped ATE [339] [339] L1-->mainENTRY: Formula: true  InVars {}  OutVars{}  AuxVars[]  AssignedVars[]
[2018-01-30 02:15:12,335 INFO  L84    mationBacktranslator]: Skipped ATE [345] [345] mainENTRY-->L633''''': Formula: (= v_~n_16 1)  InVars {}  OutVars{~n=v_~n_16}  AuxVars[]  AssignedVars[~n]
[2018-01-30 02:15:12,335 INFO  L84    mationBacktranslator]: Skipped ATE [349] [349] L633'''''-->L633: Formula: true  InVars {}  OutVars{}  AuxVars[]  AssignedVars[]
[2018-01-30 02:15:12,335 INFO  L84    mationBacktranslator]: Skipped ATE [355] [355] L633-->L633': Formula: (and (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)))  InVars {main_#t~nondet4=|v_main_#t~nondet4_2|}  OutVars{main_#t~nondet4=|v_main_#t~nondet4_2|}  AuxVars[]  AssignedVars[]
[2018-01-30 02:15:12,336 INFO  L84    mationBacktranslator]: Skipped ATE [361] [361] L633'-->L633'': Formula: (or (= |v_main_#t~nondet4_3| 0) (not (< v_~n_17 30)))  InVars {~n=v_~n_17, main_#t~nondet4=|v_main_#t~nondet4_3|}  OutVars{~n=v_~n_17, main_#t~nondet4=|v_main_#t~nondet4_3|}  AuxVars[]  AssignedVars[]
[2018-01-30 02:15:12,336 INFO  L84    mationBacktranslator]: Skipped ATE [369] [369] L633''-->L633'''''': Formula: true  InVars {}  OutVars{main_#t~nondet4=|v_main_#t~nondet4_4|}  AuxVars[]  AssignedVars[main_#t~nondet4]
[2018-01-30 02:15:12,336 INFO  L84    mationBacktranslator]: Skipped ATE [357] [357] L633''''''-->L636: Formula: (and (not (= 0 |v_main_#t~malloc6.base_1|)) (= |v_main_#t~malloc6.offset_1| 0) (= |v_#length_7| (store |v_#length_8| |v_main_#t~malloc6.base_1| (* 4 v_~n_14))) (= |v_#valid_11| (store |v_#valid_12| |v_main_#t~malloc6.base_1| 1)) (= (select |v_#valid_12| |v_main_#t~malloc6.base_1|) 0))  InVars {~n=v_~n_14, #length=|v_#length_8|, #valid=|v_#valid_12|}  OutVars{~n=v_~n_14, #length=|v_#length_7|, main_#t~malloc6.base=|v_main_#t~malloc6.base_1|, main_#t~malloc6.offset=|v_main_#t~malloc6.offset_1|, #valid=|v_#valid_11|}  AuxVars[]  AssignedVars[#valid, #length, main_#t~malloc6.base, main_#t~malloc6.offset]
[2018-01-30 02:15:12,336 INFO  L84    mationBacktranslator]: Skipped ATE [365] [365] L636-->L637: Formula: (and (= v_~a.offset_8 |v_main_#t~malloc6.offset_2|) (= v_~a.base_9 |v_main_#t~malloc6.base_2|))  InVars {main_#t~malloc6.offset=|v_main_#t~malloc6.offset_2|, main_#t~malloc6.base=|v_main_#t~malloc6.base_2|}  OutVars{main_#t~malloc6.base=|v_main_#t~malloc6.base_2|, ~a.offset=v_~a.offset_8, main_#t~malloc6.offset=|v_main_#t~malloc6.offset_2|, ~a.base=v_~a.base_9}  AuxVars[]  AssignedVars[~a.base, ~a.offset]
[2018-01-30 02:15:12,336 INFO  L84    mationBacktranslator]: Skipped ATE [373] [373] L637-->L637': Formula: (and (= |v_#valid_13| (store |v_#valid_14| |v_main_#t~malloc7.base_1| 1)) (= (store |v_#length_10| |v_main_#t~malloc7.base_1| (* 4 v_~n_15)) |v_#length_9|) (not (= |v_main_#t~malloc7.base_1| 0)) (= |v_main_#t~malloc7.offset_1| 0) (= 0 (select |v_#valid_14| |v_main_#t~malloc7.base_1|)))  InVars {~n=v_~n_15, #length=|v_#length_10|, #valid=|v_#valid_14|}  OutVars{~n=v_~n_15, #length=|v_#length_9|, main_#t~malloc7.base=|v_main_#t~malloc7.base_1|, main_#t~malloc7.offset=|v_main_#t~malloc7.offset_1|, #valid=|v_#valid_13|}  AuxVars[]  AssignedVars[main_#t~malloc7.offset, #valid, #length, main_#t~malloc7.base]
[2018-01-30 02:15:12,336 INFO  L84    mationBacktranslator]: Skipped ATE [379] [379] L637'-->L638: Formula: (and (= v_~b.offset_8 |v_main_#t~malloc7.offset_2|) (= v_~b.base_9 |v_main_#t~malloc7.base_2|))  InVars {main_#t~malloc7.offset=|v_main_#t~malloc7.offset_2|, main_#t~malloc7.base=|v_main_#t~malloc7.base_2|}  OutVars{main_#t~malloc7.base=|v_main_#t~malloc7.base_2|, main_#t~malloc7.offset=|v_main_#t~malloc7.offset_2|, ~b.base=v_~b.base_9, ~b.offset=v_~b.offset_8}  AuxVars[]  AssignedVars[~b.offset, ~b.base]
[2018-01-30 02:15:12,337 INFO  L84    mationBacktranslator]: Skipped ATE [383] [383] L638-->L638': Formula: (and (= |v_main_#t~post8.offset_1| v_~b.offset_9) (= |v_main_#t~post8.base_1| v_~b.base_10))  InVars {~b.base=v_~b.base_10, ~b.offset=v_~b.offset_9}  OutVars{main_#t~post8.base=|v_main_#t~post8.base_1|, main_#t~post8.offset=|v_main_#t~post8.offset_1|, ~b.base=v_~b.base_10, ~b.offset=v_~b.offset_9}  AuxVars[]  AssignedVars[main_#t~post8.base, main_#t~post8.offset]
[2018-01-30 02:15:12,337 INFO  L84    mationBacktranslator]: Skipped ATE [387] [387] L638'-->L638'': Formula: (and (= v_~b.base_11 |v_main_#t~post8.base_2|) (= v_~b.offset_10 (+ |v_main_#t~post8.offset_2| 4)))  InVars {main_#t~post8.base=|v_main_#t~post8.base_2|, main_#t~post8.offset=|v_main_#t~post8.offset_2|}  OutVars{main_#t~post8.base=|v_main_#t~post8.base_2|, ~b.base=v_~b.base_11, main_#t~post8.offset=|v_main_#t~post8.offset_2|, ~b.offset=v_~b.offset_10}  AuxVars[]  AssignedVars[~b.offset, ~b.base]
[2018-01-30 02:15:12,337 INFO  L84    mationBacktranslator]: Skipped ATE [389] [389] L638''-->L638''': Formula: (and (<= (+ |v_main_#t~post8.offset_3| 4) (select |v_#length_11| |v_main_#t~post8.base_3|)) (and (= |v_#memory_int_part_locs_40_locs_19_1| |v_#memory_int_part_locs_40_locs_19_2|) (= |v_#memory_int_part_locs_30_locs_19_1| |v_#memory_int_part_locs_30_locs_19_2|) (= (store |v_#memory_int_part_locs_76_locs_19_1| |v_main_#t~post8.base_3| (store (select |v_#memory_int_part_locs_30_locs_19_1| |v_main_#t~post8.base_3|) |v_main_#t~post8.offset_3| 0)) |v_#memory_int_part_locs_76_locs_19_2|)) (<= 0 |v_main_#t~post8.offset_3|) (= 1 (select |v_#valid_15| |v_main_#t~post8.base_3|)))  InVars {#memory_int_part_locs_40_locs_19=|v_#memory_int_part_locs_40_locs_19_1|, #memory_int_part_locs_30_locs_19=|v_#memory_int_part_locs_30_locs_19_1|, #valid=|v_#valid_15|, #length=|v_#length_11|, #memory_int_part_locs_76_locs_19=|v_#memory_int_part_locs_76_locs_19_1|, main_#t~post8.base=|v_main_#t~post8.base_3|, main_#t~post8.offset=|v_main_#t~post8.offset_3|}  OutVars{#memory_int_part_locs_40_locs_19=|v_#memory_int_part_locs_40_locs_19_2|, #memory_int_part_locs_30_locs_19=|v_#memory_int_part_locs_30_locs_19_2|, #valid=|v_#valid_15|, #memory_int=|v_#memory_int_7|, #length=|v_#length_11|, #memory_int_part_locs_76_locs_19=|v_#memory_int_part_locs_76_locs_19_2|, main_#t~post8.base=|v_main_#t~post8.base_3|, main_#t~post8.offset=|v_main_#t~post8.offset_3|}  AuxVars[]  AssignedVars[#memory_int_part_locs_40_locs_19, #memory_int_part_locs_30_locs_19, #memory_int, #memory_int_part_locs_76_locs_19]
[2018-01-30 02:15:12,337 INFO  L84    mationBacktranslator]: Skipped ATE [395] [395] L638'''-->L639: Formula: true  InVars {}  OutVars{main_#t~post8.base=|v_main_#t~post8.base_6|, main_#t~post8.offset=|v_main_#t~post8.offset_5|}  AuxVars[]  AssignedVars[main_#t~post8.base, main_#t~post8.offset]
[2018-01-30 02:15:12,337 INFO  L84    mationBacktranslator]: Skipped ATE [397] [397] L639-->L639': Formula: true  InVars {}  OutVars{#memory_int=|v_#memory_int_9|}  AuxVars[]  AssignedVars[#memory_int]
[2018-01-30 02:15:12,337 INFO  L84    mationBacktranslator]: Skipped ATE [405] [405] L639'-->mainErr3RequiresViolation: Formula: (or (not (<= v_~b.offset_12 (+ (select |v_#length_14| v_~b.base_14) 4))) (not (<= 8 v_~b.offset_12)))  InVars {#length=|v_#length_14|, ~b.base=v_~b.base_14, ~b.offset=v_~b.offset_12}  OutVars{#length=|v_#length_14|, ~b.base=v_~b.base_14, ~b.offset=v_~b.offset_12}  AuxVars[]  AssignedVars[]
[2018-01-30 02:15:12,343 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:15:12 BasicIcfg
[2018-01-30 02:15:12,343 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-01-30 02:15:12,344 INFO  L168              Benchmark]: Toolchain (without parser) took 35310.39 ms. Allocated memory was 300.9 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 260.8 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 83.2 MB. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,345 INFO  L168              Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 300.9 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,345 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 206.03 ms. Allocated memory is still 300.9 MB. Free memory was 259.8 MB in the beginning and 249.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,345 INFO  L168              Benchmark]: Boogie Preprocessor took 34.95 ms. Allocated memory is still 300.9 MB. Free memory was 249.8 MB in the beginning and 247.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,345 INFO  L168              Benchmark]: RCFGBuilder took 325.36 ms. Allocated memory is still 300.9 MB. Free memory was 247.9 MB in the beginning and 226.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,346 INFO  L168              Benchmark]: IcfgTransformer took 33214.33 ms. Allocated memory was 300.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 226.8 MB in the beginning and 603.5 MB in the end (delta: -376.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,346 INFO  L168              Benchmark]: TraceAbstraction took 1520.97 ms. Allocated memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: 119.0 MB). Free memory was 603.5 MB in the beginning and 1.8 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-30 02:15:12,347 INFO  L344   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15 ms. Allocated memory is still 300.9 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
 * CACSL2BoogieTranslator took 206.03 ms. Allocated memory is still 300.9 MB. Free memory was 259.8 MB in the beginning and 249.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
 * Boogie Preprocessor took 34.95 ms. Allocated memory is still 300.9 MB. Free memory was 249.8 MB in the beginning and 247.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
 * RCFGBuilder took 325.36 ms. Allocated memory is still 300.9 MB. Free memory was 247.9 MB in the beginning and 226.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB.
 * IcfgTransformer took 33214.33 ms. Allocated memory was 300.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 226.8 MB in the beginning and 603.5 MB in the end (delta: -376.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB.
 * TraceAbstraction took 1520.97 ms. Allocated memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: 119.0 MB). Free memory was 603.5 MB in the beginning and 1.8 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 5.3 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - StatisticsResult: ArrayEqualityDomainStatistics
    
#Locations                               :      63 
LocStat_MAX_WEQGRAPH_SIZE                :       4 
LocStat_MAX_SIZEOF_WEQEDGELABEL          :       2 
LocStat_NO_SUPPORTING_EQUALITIES         :    2134 
LocStat_NO_SUPPORTING_DISEQUALITIES      :    1768 
LocStat_NO_DISJUNCTIONS                  :    -126 
LocStat_MAX_NO_DISJUNCTIONS              :      -1 
#Transitions                             :      92 
TransStat_MAX_WEQGRAPH_SIZE              :       2 
TransStat_MAX_SIZEOF_WEQEDGELABEL        :       1 
TransStat_NO_SUPPORTING_EQUALITIES       :     251 
TransStat_NO_SUPPORTING_DISEQUALITIES    :      31 
TransStat_NO_DISJUNCTIONS                :     106 
TransStat_MAX_NO_DISJUNCTIONS            :       4 

  - StatisticsResult: EqConstraintFactoryStatistics
    
CONJOIN_DISJUNCTIVE(MILLISECONDS)        : 0.012493 
RENAME_VARIABLES(MILLISECONDS)           : 3.276299 
UNFREEZE(MILLISECONDS)                   : 0.000000 
CONJOIN(MILLISECONDS)                    : 0.001945 
PROJECTAWAY(MILLISECONDS)                : 0.464755 
ADD_WEAK_EQUALITY(MILLISECONDS)          : 0.068866 
DISJOIN(MILLISECONDS)                    : 0.790831 
RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 3.355553 
ADD_EQUALITY(MILLISECONDS)               : 0.033456 
DISJOIN_DISJUNCTIVE(MILLISECONDS)        : 0.000000 
ADD_DISEQUALITY(MILLISECONDS)            : 0.016910 
#CONJOIN_DISJUNCTIVE                     :     664 
#RENAME_VARIABLES                        :    1472 
#UNFREEZE                                :       0 
#CONJOIN                                 :    1157 
#PROJECTAWAY                             :     802 
#ADD_WEAK_EQUALITY                       :      15 
#DISJOIN                                 :     189 
#RENAME_VARIABLES_DISJUNCTIVE            :    1400 
#ADD_EQUALITY                            :     210 
#DISJOIN_DISJUNCTIVE                     :       0 
#ADD_DISEQUALITY                         :      25 

 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation:
  - StatisticsResult: HeapSeparatorStatistics
    
#COUNT_NEW_ARRAY_VARS_[#memory_int]                                              :       3 
COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0                                    :       4 
COUNT_BLOCKS_for_[#memory_int]_at_dim_0                                          :       3 
COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1                                    :       3 
COUNT_BLOCKS_for_[#memory_int]_at_dim_1                                          :       1 
COUNT_ARRAY_READS for [#memory_int]                                              :       4 

 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 1]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 74 locations, 17 error locations. UNSAFE Result, 1.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 193 SDtfs, 133 SDslu, 313 SDs, 0 SdLazy, 170 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, 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, 3 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: 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/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_02-15-12-358.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-30_02-15-12-358.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-30_02-15-12-358.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-30_02-15-12-358.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_02-15-12-358.csv
Received shutdown request...