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/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i


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


This is Ultimate 0.1.23-1cceb4a
[2018-01-30 00:47:37,346 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-01-30 00:47:37,348 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-01-30 00:47:37,362 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-01-30 00:47:37,362 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-01-30 00:47:37,363 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-01-30 00:47:37,364 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-01-30 00:47:37,366 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-01-30 00:47:37,368 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-01-30 00:47:37,368 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-01-30 00:47:37,369 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-01-30 00:47:37,369 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-01-30 00:47:37,370 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-01-30 00:47:37,370 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-01-30 00:47:37,371 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-01-30 00:47:37,373 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-01-30 00:47:37,376 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-01-30 00:47:37,378 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-01-30 00:47:37,379 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-01-30 00:47:37,380 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-01-30 00:47:37,382 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-01-30 00:47:37,383 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-01-30 00:47:37,383 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-01-30 00:47:37,384 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-01-30 00:47:37,385 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-01-30 00:47:37,386 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-01-30 00:47:37,386 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-01-30 00:47:37,387 INFO  L177        SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-01-30 00:47:37,387 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-01-30 00:47:37,387 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-01-30 00:47:37,388 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-01-30 00:47:37,388 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 00:47:37,398 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-01-30 00:47:37,399 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-30 00:47:37,399 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-30 00:47:37,400 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-01-30 00:47:37,400 INFO  L131        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-30 00:47:37,400 INFO  L133        SettingsManager]:  * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-30 00:47:37,400 INFO  L133        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2018-01-30 00:47:37,401 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-30 00:47:37,401 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-01-30 00:47:37,401 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-01-30 00:47:37,401 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-01-30 00:47:37,402 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-01-30 00:47:37,402 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-01-30 00:47:37,402 INFO  L133        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2018-01-30 00:47:37,402 INFO  L133        SettingsManager]:  * Bitprecise bitfields=true
[2018-01-30 00:47:37,402 INFO  L133        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2018-01-30 00:47:37,402 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-30 00:47:37,403 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-01-30 00:47:37,403 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-30 00:47:37,403 INFO  L133        SettingsManager]:  * Size of a code block=SingleStatement
[2018-01-30 00:47:37,403 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-01-30 00:47:37,403 INFO  L133        SettingsManager]:  * Add additional assume for each assert=false
[2018-01-30 00:47:37,404 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-01-30 00:47:37,404 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-30 00:47:37,404 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-30 00:47:37,404 INFO  L133        SettingsManager]:  * Interpolant automaton=TWOTRACK
[2018-01-30 00:47:37,404 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-01-30 00:47:37,405 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-30 00:47:37,405 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-01-30 00:47:37,405 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-30 00:47:37,405 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-30 00:47:37,405 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-30 00:47:37,406 INFO  L131        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-30 00:47:37,406 INFO  L133        SettingsManager]:  * TransformationType=HEAP_SEPARATOR
[2018-01-30 00:47:37,440 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-30 00:47:37,452 INFO  L266   ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-30 00:47:37,456 INFO  L222   ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-30 00:47:37,458 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-01-30 00:47:37,458 INFO  L276        PluginConnector]: CDTParser initialized
[2018-01-30 00:47:37,459 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i
[2018-01-30 00:47:37,638 INFO  L304   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-30 00:47:37,642 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-01-30 00:47:37,643 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-30 00:47:37,643 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-30 00:47:37,648 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-30 00:47:37,649 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,652 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4028cb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37, skipping insertion in model container
[2018-01-30 00:47:37,652 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,665 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-30 00:47:37,702 INFO  L153             Dispatcher]: Using SV-COMP mode
[2018-01-30 00:47:37,815 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-30 00:47:37,836 INFO  L450          PostProcessor]: Settings: Checked method=main
[2018-01-30 00:47:37,844 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37 WrapperNode
[2018-01-30 00:47:37,844 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-30 00:47:37,845 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-30 00:47:37,845 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-30 00:47:37,845 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-01-30 00:47:37,862 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,863 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,871 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,871 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,876 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,880 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,881 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ...
[2018-01-30 00:47:37,883 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-30 00:47:37,884 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-30 00:47:37,884 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-01-30 00:47:37,884 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-01-30 00:47:37,885 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (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 00:47:37,929 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-30 00:47:37,930 INFO  L136     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-30 00:47:37,930 INFO  L136     BoogieDeclarations]: Found implementation of procedure build_nondet_String
[2018-01-30 00:47:37,930 INFO  L136     BoogieDeclarations]: Found implementation of procedure cstrpbrk
[2018-01-30 00:47:37,930 INFO  L136     BoogieDeclarations]: Found implementation of procedure main
[2018-01-30 00:47:37,930 INFO  L128     BoogieDeclarations]: Found specification of procedure write~int
[2018-01-30 00:47:37,930 INFO  L128     BoogieDeclarations]: Found specification of procedure read~int
[2018-01-30 00:47:37,930 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-30 00:47:37,930 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-30 00:47:37,930 INFO  L128     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure malloc
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure free
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure build_nondet_String
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure cstrpbrk
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure main
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-30 00:47:37,931 INFO  L128     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-30 00:47:38,207 INFO  L257             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-30 00:47:38,208 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:47:38 BoogieIcfgContainer
[2018-01-30 00:47:38,208 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-30 00:47:38,209 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2018-01-30 00:47:38,209 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2018-01-30 00:47:38,209 INFO  L276        PluginConnector]: IcfgTransformer initialized
[2018-01-30 00:47:38,212 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:47:38" (1/1) ...
[2018-01-30 00:47:38,219 INFO  L103   apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning
[2018-01-30 00:47:38,219 INFO  L104   apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int]
[2018-01-30 00:47:38,220 INFO  L150   apSepIcfgTransformer]: starting freeze-var-style preprocessing
[2018-01-30 00:47:38,273 INFO  L162   apSepIcfgTransformer]: finished StoreIndexFreezer, created 6 freeze vars and freeze var literals (each corresponds to one heap write)
[2018-01-30 00:47:38,301 INFO  L221   apSepIcfgTransformer]: finished preprocessing for the equality analysis
[2018-01-30 00:47:38,357 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2)
[2018-01-30 00:47:42,972 INFO  L311    AbstractInterpreter]: Visited 108 different actions 377 times. Merged at 69 different actions 211 times. Never widened. Found 28 fixpoints after 15 different actions. Largest state had 53 variables.
[2018-01-30 00:47:42,974 INFO  L229   apSepIcfgTransformer]: finished equality analysis
[2018-01-30 00:47:42,986 INFO  L244     HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 7
[2018-01-30 00:47:42,987 INFO  L241   apSepIcfgTransformer]: Finished pre analysis before partitioning
[2018-01-30 00:47:42,987 INFO  L242   apSepIcfgTransformer]:   array groups: Set: 
	[#memory_int]
[2018-01-30 00:47:42,987 INFO  L244   apSepIcfgTransformer]:   select infos: Set: 
	((select (select |v_#memory_int_7| |v_main_#t~ret13.base_2|) |v_main_#t~ret13.offset_2|), at (SUMMARY for call #t~mem14 := read~int(#t~ret13.base, #t~ret13.offset, 1); srcloc: L567'))
	((select (select |v_#memory_int_9| v_cstrpbrk_~sc1~6.base_6) v_cstrpbrk_~sc1~6.offset_5), at (SUMMARY for call #t~mem5 := read~int(~sc1~6.base, ~sc1~6.offset, 1); srcloc: L556))
	((select (select |v_#memory_int_11| v_cstrpbrk_~s~6.base_6) v_cstrpbrk_~s~6.offset_5), at (SUMMARY for call #t~mem7 := read~int(~s~6.base, ~s~6.offset, 1); srcloc: L557'''))
	((select (select |v_#memory_int_8| v_cstrpbrk_~sc1~6.base_3) v_cstrpbrk_~sc1~6.offset_3), at (SUMMARY for call #t~mem4 := read~int(~sc1~6.base, ~sc1~6.offset, 1); srcloc: L554'))
	((select (select |v_#memory_int_10| v_cstrpbrk_~s~6.base_3) v_cstrpbrk_~s~6.offset_3), at (SUMMARY for call #t~mem6 := read~int(~s~6.base, ~s~6.offset, 1); srcloc: L557))
	((select |v_#memory_int_2| v_build_nondet_String_~nondetString~4.base_2), at (SUMMARY for call write~int(0, ~nondetString~4.base, ~nondetString~4.offset + (~length~4 - 1) * 1, 1); srcloc: L546))
	((select (select |v_#memory_int_12| v_cstrpbrk_~s~6.base_11) v_cstrpbrk_~s~6.offset_9), at (SUMMARY for call #t~mem10 := read~int(~s~6.base, ~s~6.offset, 1); srcloc: L557'''''''''''''''))
[2018-01-30 00:47:42,996 INFO  L547       PartitionManager]: partitioning result:
[2018-01-30 00:47:42,996 INFO  L552       PartitionManager]: 	 location blocks for array group [#memory_int]
[2018-01-30 00:47:42,996 INFO  L561       PartitionManager]: 	 at dimension 0
[2018-01-30 00:47:42,996 INFO  L562       PartitionManager]: 	 # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1
[2018-01-30 00:47:42,996 INFO  L563       PartitionManager]: 	 # location blocks :1
[2018-01-30 00:47:42,997 INFO  L561       PartitionManager]: 	 at dimension 1
[2018-01-30 00:47:42,997 INFO  L562       PartitionManager]: 	 # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1
[2018-01-30 00:47:42,997 INFO  L563       PartitionManager]: 	 # location blocks :1
[2018-01-30 00:47:42,998 INFO  L86    ransitionTransformer]: executing heap partitioning transformation
[2018-01-30 00:47:43,018 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 12:47:43 BasicIcfg
[2018-01-30 00:47:43,018 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2018-01-30 00:47:43,019 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-01-30 00:47:43,020 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-01-30 00:47:43,084 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-01-30 00:47:43,085 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:47:37" (1/4) ...
[2018-01-30 00:47:43,085 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8aff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:47:43, skipping insertion in model container
[2018-01-30 00:47:43,086 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (2/4) ...
[2018-01-30 00:47:43,086 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8aff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:47:43, skipping insertion in model container
[2018-01-30 00:47:43,086 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:47:38" (3/4) ...
[2018-01-30 00:47:43,086 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8aff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:47:43, skipping insertion in model container
[2018-01-30 00:47:43,086 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 12:47:43" (4/4) ...
[2018-01-30 00:47:43,088 INFO  L107   eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg
[2018-01-30 00:47:43,097 INFO  L128   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-01-30 00:47:43,106 INFO  L140   ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations.
[2018-01-30 00:47:43,147 INFO  L322      AbstractCegarLoop]: Interprodecural is true
[2018-01-30 00:47:43,147 INFO  L323      AbstractCegarLoop]: Hoare is true
[2018-01-30 00:47:43,148 INFO  L324      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-30 00:47:43,148 INFO  L325      AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-30 00:47:43,148 INFO  L326      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-30 00:47:43,148 INFO  L327      AbstractCegarLoop]: Difference is false
[2018-01-30 00:47:43,148 INFO  L328      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-30 00:47:43,148 INFO  L333      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-01-30 00:47:43,149 INFO  L87    2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-30 00:47:43,164 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states.
[2018-01-30 00:47:43,170 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-01-30 00:47:43,171 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 00:47:43,172 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 00:47:43,172 INFO  L371      AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation]===
[2018-01-30 00:47:43,177 INFO  L82        PathProgramCache]: Analyzing trace with hash 767689351, now seen corresponding path program 1 times
[2018-01-30 00:47:43,179 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 00:47:43,179 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 00:47:43,231 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 00:47:43,231 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 00:47:43,231 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 00:47:43,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-30 00:47:43,278 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-01-30 00:47:43,472 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 00:47:43,474 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-30 00:47:43,475 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-01-30 00:47:43,476 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-01-30 00:47:43,483 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-01-30 00:47:43,484 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-01-30 00:47:43,486 INFO  L87              Difference]: Start difference. First operand 96 states. Second operand 5 states.
[2018-01-30 00:47:43,573 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-30 00:47:43,573 INFO  L93              Difference]: Finished difference Result 160 states and 177 transitions.
[2018-01-30 00:47:43,574 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2018-01-30 00:47:43,575 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 10
[2018-01-30 00:47:43,576 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-30 00:47:43,586 INFO  L225             Difference]: With dead ends: 160
[2018-01-30 00:47:43,587 INFO  L226             Difference]: Without dead ends: 92
[2018-01-30 00:47:43,590 INFO  L553         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2018-01-30 00:47:43,607 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2018-01-30 00:47:43,628 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2018-01-30 00:47:43,629 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 92 states.
[2018-01-30 00:47:43,631 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions.
[2018-01-30 00:47:43,633 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 10
[2018-01-30 00:47:43,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-01-30 00:47:43,634 INFO  L432      AbstractCegarLoop]: Abstraction has 92 states and 101 transitions.
[2018-01-30 00:47:43,634 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-01-30 00:47:43,634 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions.
[2018-01-30 00:47:43,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-01-30 00:47:43,634 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 00:47:43,635 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 00:47:43,635 INFO  L371      AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation]===
[2018-01-30 00:47:43,635 INFO  L82        PathProgramCache]: Analyzing trace with hash 767689349, now seen corresponding path program 1 times
[2018-01-30 00:47:43,635 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 00:47:43,635 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 00:47:43,636 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 00:47:43,636 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 00:47:43,636 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 00:47:43,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-30 00:47:43,643 WARN  L137   erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level).  Set option :produce-proofs to true to get complete proofs.
[2018-01-30 00:47:43,691 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 00:47:43,691 INFO  L320   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-30 00:47:43,691 INFO  L335   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-01-30 00:47:43,692 INFO  L409      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-01-30 00:47:43,692 INFO  L132   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-01-30 00:47:43,693 INFO  L133   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-01-30 00:47:43,693 INFO  L87              Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 4 states.
[2018-01-30 00:47:43,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-30 00:47:43,823 INFO  L93              Difference]: Finished difference Result 92 states and 101 transitions.
[2018-01-30 00:47:43,823 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-01-30 00:47:43,824 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2018-01-30 00:47:43,824 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-30 00:47:43,825 INFO  L225             Difference]: With dead ends: 92
[2018-01-30 00:47:43,825 INFO  L226             Difference]: Without dead ends: 91
[2018-01-30 00:47:43,826 INFO  L553         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-01-30 00:47:43,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2018-01-30 00:47:43,836 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2018-01-30 00:47:43,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 91 states.
[2018-01-30 00:47:43,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions.
[2018-01-30 00:47:43,839 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 10
[2018-01-30 00:47:43,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-01-30 00:47:43,839 INFO  L432      AbstractCegarLoop]: Abstraction has 91 states and 100 transitions.
[2018-01-30 00:47:43,840 INFO  L433      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-01-30 00:47:43,840 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions.
[2018-01-30 00:47:43,840 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-01-30 00:47:43,840 INFO  L342         BasicCegarLoop]: Found error trace
[2018-01-30 00:47:43,840 INFO  L350         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-30 00:47:43,841 INFO  L371      AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation]===
[2018-01-30 00:47:43,841 INFO  L82        PathProgramCache]: Analyzing trace with hash -259046913, now seen corresponding path program 1 times
[2018-01-30 00:47:43,841 INFO  L209   onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-30 00:47:43,841 INFO  L67    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-30 00:47:43,842 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 00:47:43,842 INFO  L101   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-30 00:47:43,842 INFO  L117   rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-30 00:47:43,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-30 00:47:43,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-30 00:47:43,867 INFO  L409         BasicCegarLoop]: Counterexample might be feasible
[2018-01-30 00:47:43,870 INFO  L84    mationBacktranslator]: Skipped ATE [433] [433] ULTIMATE.startENTRY-->L1: Formula: true  InVars {}  OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_31|}  AuxVars[]  AssignedVars[#valid, #NULL.offset, #NULL.base]
[2018-01-30 00:47:43,870 INFO  L84    mationBacktranslator]: Skipped ATE [439] [439] L1-->mainENTRY: Formula: true  InVars {}  OutVars{}  AuxVars[]  AssignedVars[]
[2018-01-30 00:47:43,870 INFO  L84    mationBacktranslator]: Skipped ATE [445] [445] mainENTRY-->L565: Formula: true  InVars {}  OutVars{main_#t~ret11.base=|v_main_#t~ret11.base_1|, #memory_int=|v_#memory_int_3|, main_#t~ret11.offset=|v_main_#t~ret11.offset_1|, #length=|v_#length_5|, #valid=|v_#valid_11|}  AuxVars[]  AssignedVars[#valid, main_#t~ret11.base, #memory_int, main_#t~ret11.offset, #length]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [451] [451] L565-->L565': Formula: (and (= v_main_~s1~8.offset_1 |v_main_#t~ret11.offset_2|) (= v_main_~s1~8.base_2 |v_main_#t~ret11.base_2|))  InVars {main_#t~ret11.base=|v_main_#t~ret11.base_2|, main_#t~ret11.offset=|v_main_#t~ret11.offset_2|}  OutVars{main_#t~ret11.base=|v_main_#t~ret11.base_2|, main_~s1~8.base=v_main_~s1~8.base_2, main_~s1~8.offset=v_main_~s1~8.offset_1, main_#t~ret11.offset=|v_main_#t~ret11.offset_2|}  AuxVars[]  AssignedVars[main_~s1~8.base, main_~s1~8.offset]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [457] [457] L565'-->L566: Formula: true  InVars {}  OutVars{main_#t~ret11.base=|v_main_#t~ret11.base_3|, main_#t~ret11.offset=|v_main_#t~ret11.offset_3|}  AuxVars[]  AssignedVars[main_#t~ret11.base, main_#t~ret11.offset]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [461] [461] L566-->L566': Formula: true  InVars {}  OutVars{#memory_int=|v_#memory_int_5|, main_#t~ret12.base=|v_main_#t~ret12.base_1|, #length=|v_#length_7|, main_#t~ret12.offset=|v_main_#t~ret12.offset_1|, #valid=|v_#valid_13|}  AuxVars[]  AssignedVars[#valid, #memory_int, main_#t~ret12.base, #length, main_#t~ret12.offset]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [467] [467] L566'-->L566'': Formula: (and (= v_main_~s2~8.offset_3 |v_main_#t~ret12.offset_2|) (= v_main_~s2~8.base_3 |v_main_#t~ret12.base_2|))  InVars {main_#t~ret12.offset=|v_main_#t~ret12.offset_2|, main_#t~ret12.base=|v_main_#t~ret12.base_2|}  OutVars{main_#t~ret12.base=|v_main_#t~ret12.base_2|, main_#t~ret12.offset=|v_main_#t~ret12.offset_2|, main_~s2~8.base=v_main_~s2~8.base_3, main_~s2~8.offset=v_main_~s2~8.offset_3}  AuxVars[]  AssignedVars[main_~s2~8.base, main_~s2~8.offset]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [473] [473] L566''-->L567: Formula: true  InVars {}  OutVars{main_#t~ret12.offset=|v_main_#t~ret12.offset_3|, main_#t~ret12.base=|v_main_#t~ret12.base_3|}  AuxVars[]  AssignedVars[main_#t~ret12.base, main_#t~ret12.offset]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [479] [479] L567-->L567': Formula: true  InVars {}  OutVars{main_#t~ret13.base=|v_main_#t~ret13.base_1|, main_#t~ret13.offset=|v_main_#t~ret13.offset_1|}  AuxVars[]  AssignedVars[main_#t~ret13.offset, main_#t~ret13.base]
[2018-01-30 00:47:43,871 INFO  L84    mationBacktranslator]: Skipped ATE [487] [487] L567'-->mainErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_16| |v_main_#t~ret13.base_3|)))  InVars {main_#t~ret13.base=|v_main_#t~ret13.base_3|, #valid=|v_#valid_16|}  OutVars{main_#t~ret13.base=|v_main_#t~ret13.base_3|, #valid=|v_#valid_16|}  AuxVars[]  AssignedVars[]
[2018-01-30 00:47:43,876 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:47:43 BasicIcfg
[2018-01-30 00:47:43,876 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-01-30 00:47:43,877 INFO  L168              Benchmark]: Toolchain (without parser) took 6238.69 ms. Allocated memory was 308.8 MB in the beginning and 848.8 MB in the end (delta: 540.0 MB). Free memory was 268.8 MB in the beginning and 784.1 MB in the end (delta: -515.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,878 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 308.8 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,878 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 201.79 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 257.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,879 INFO  L168              Benchmark]: Boogie Preprocessor took 38.12 ms. Allocated memory is still 308.8 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,879 INFO  L168              Benchmark]: RCFGBuilder took 324.66 ms. Allocated memory is still 308.8 MB. Free memory was 255.9 MB in the beginning and 232.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,879 INFO  L168              Benchmark]: IcfgTransformer took 4809.95 ms. Allocated memory was 308.8 MB in the beginning and 787.0 MB in the end (delta: 478.2 MB). Free memory was 232.1 MB in the beginning and 687.5 MB in the end (delta: -455.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,880 INFO  L168              Benchmark]: TraceAbstraction took 857.10 ms. Allocated memory was 787.0 MB in the beginning and 848.8 MB in the end (delta: 61.9 MB). Free memory was 687.5 MB in the beginning and 784.1 MB in the end (delta: -96.7 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-30 00:47:43,881 INFO  L344   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 308.8 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
 * CACSL2BoogieTranslator took 201.79 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 257.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
 * Boogie Preprocessor took 38.12 ms. Allocated memory is still 308.8 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
 * RCFGBuilder took 324.66 ms. Allocated memory is still 308.8 MB. Free memory was 255.9 MB in the beginning and 232.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB.
 * IcfgTransformer took 4809.95 ms. Allocated memory was 308.8 MB in the beginning and 787.0 MB in the end (delta: 478.2 MB). Free memory was 232.1 MB in the beginning and 687.5 MB in the end (delta: -455.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB.
 * TraceAbstraction took 857.10 ms. Allocated memory was 787.0 MB in the beginning and 848.8 MB in the end (delta: 61.9 MB). Free memory was 687.5 MB in the beginning and 784.1 MB in the end (delta: -96.7 MB). There was no memory consumed. Max. memory is 5.3 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - StatisticsResult: ArrayEqualityDomainStatistics
    
#Locations                               :      91 
LocStat_MAX_WEQGRAPH_SIZE                :       4 
LocStat_MAX_SIZEOF_WEQEDGELABEL          :       1 
LocStat_NO_SUPPORTING_EQUALITIES         :    1283 
LocStat_NO_SUPPORTING_DISEQUALITIES      :      59 
LocStat_NO_DISJUNCTIONS                  :    -182 
LocStat_MAX_NO_DISJUNCTIONS              :      -1 
#Transitions                             :     121 
TransStat_MAX_WEQGRAPH_SIZE              :       2 
TransStat_MAX_SIZEOF_WEQEDGELABEL        :       1 
TransStat_NO_SUPPORTING_EQUALITIES       :     192 
TransStat_NO_SUPPORTING_DISEQUALITIES    :      24 
TransStat_NO_DISJUNCTIONS                :     134 
TransStat_MAX_NO_DISJUNCTIONS            :       4 

  - StatisticsResult: EqConstraintFactoryStatistics
    
CONJOIN_DISJUNCTIVE(MILLISECONDS)        : 0.016178 
RENAME_VARIABLES(MILLISECONDS)           : 0.279304 
UNFREEZE(MILLISECONDS)                   : 0.000000 
CONJOIN(MILLISECONDS)                    : 0.000889 
PROJECTAWAY(MILLISECONDS)                : 0.140197 
ADD_WEAK_EQUALITY(MILLISECONDS)          : 0.082862 
DISJOIN(MILLISECONDS)                    : 0.545631 
RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.301499 
ADD_EQUALITY(MILLISECONDS)               : 0.015587 
DISJOIN_DISJUNCTIVE(MILLISECONDS)        : 0.000000 
ADD_DISEQUALITY(MILLISECONDS)            : 0.014953 
#CONJOIN_DISJUNCTIVE                     :     589 
#RENAME_VARIABLES                        :    1242 
#UNFREEZE                                :       0 
#CONJOIN                                 :     894 
#PROJECTAWAY                             :     793 
#ADD_WEAK_EQUALITY                       :       7 
#DISJOIN                                 :     104 
#RENAME_VARIABLES_DISJUNCTIVE            :    1166 
#ADD_EQUALITY                            :     171 
#DISJOIN_DISJUNCTIVE                     :       0 
#ADD_DISEQUALITY                         :      21 

 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation:
  - StatisticsResult: HeapSeparatorStatistics
    
#COUNT_NEW_ARRAY_VARS_[#memory_int]                                              :       1 
COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0                                    :       1 
COUNT_BLOCKS_for_[#memory_int]_at_dim_0                                          :       1 
COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1                                    :       1 
COUNT_BLOCKS_for_[#memory_int]_at_dim_1                                          :       1 
COUNT_ARRAY_READS for [#memory_int]                                              :       7 

 * 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 5 procedures, 96 locations, 19 error locations. UNSAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 22 SDslu, 239 SDs, 0 SdLazy, 62 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_00-47-43-890.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-30_00-47-43-890.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-30_00-47-43-890.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-30_00-47-43-890.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_00-47-43-890.csv
Received shutdown request...