java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i


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


This is Ultimate 0.1.24-55cd5f5
[2019-08-14 20:38:01,496 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-08-14 20:38:01,498 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-08-14 20:38:01,513 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-08-14 20:38:01,513 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-08-14 20:38:01,514 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-08-14 20:38:01,515 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-08-14 20:38:01,517 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-08-14 20:38:01,519 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-08-14 20:38:01,520 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-08-14 20:38:01,520 INFO  L181        SettingsManager]: Resetting Symbolic Interpretation preferences to default values
[2019-08-14 20:38:01,522 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-08-14 20:38:01,522 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-08-14 20:38:01,523 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-08-14 20:38:01,524 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-08-14 20:38:01,525 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-08-14 20:38:01,525 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-08-14 20:38:01,526 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-08-14 20:38:01,528 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-08-14 20:38:01,530 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-08-14 20:38:01,532 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-08-14 20:38:01,533 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-08-14 20:38:01,534 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-08-14 20:38:01,535 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-08-14 20:38:01,537 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-08-14 20:38:01,537 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-08-14 20:38:01,537 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-08-14 20:38:01,538 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-08-14 20:38:01,539 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-08-14 20:38:01,540 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-08-14 20:38:01,540 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-14 20:38:01,541 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-08-14 20:38:01,542 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-08-14 20:38:01,543 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-08-14 20:38:01,543 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-08-14 20:38:01,544 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2019-08-14 20:38:01,544 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-08-14 20:38:01,546 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-08-14 20:38:01,546 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-08-14 20:38:01,560 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-08-14 20:38:01,561 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-08-14 20:38:01,562 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-08-14 20:38:01,562 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-08-14 20:38:01,562 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-08-14 20:38:01,562 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-08-14 20:38:01,563 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-08-14 20:38:01,563 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-08-14 20:38:01,563 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-08-14 20:38:01,563 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-08-14 20:38:01,563 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-08-14 20:38:01,564 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-08-14 20:38:01,564 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-08-14 20:38:01,564 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-08-14 20:38:01,564 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-08-14 20:38:01,564 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-08-14 20:38:01,565 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-08-14 20:38:01,565 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-08-14 20:38:01,565 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-08-14 20:38:01,565 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-08-14 20:38:01,565 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-08-14 20:38:01,566 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-08-14 20:38:01,566 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-08-14 20:38:01,566 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-08-14 20:38:01,566 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-08-14 20:38:01,566 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-08-14 20:38:01,567 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-08-14 20:38:01,567 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-08-14 20:38:01,567 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-08-14 20:38:01,599 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-14 20:38:01,610 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-14 20:38:01,614 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-14 20:38:01,615 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-08-14 20:38:01,616 INFO  L275        PluginConnector]: CDTParser initialized
[2019-08-14 20:38:01,616 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i
[2019-08-14 20:38:01,684 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a05e696/237d652fa45d43a2bee85c4e41b2644c/FLAGf7bf543cf
[2019-08-14 20:38:02,212 INFO  L306              CDTParser]: Found 1 translation units.
[2019-08-14 20:38:02,213 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_length_check-1.i
[2019-08-14 20:38:02,226 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a05e696/237d652fa45d43a2bee85c4e41b2644c/FLAGf7bf543cf
[2019-08-14 20:38:02,468 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a05e696/237d652fa45d43a2bee85c4e41b2644c
[2019-08-14 20:38:02,477 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-14 20:38:02,479 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-08-14 20:38:02,480 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-08-14 20:38:02,480 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-08-14 20:38:02,483 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-08-14 20:38:02,484 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:38:02" (1/1) ...
[2019-08-14 20:38:02,487 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b51530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:02, skipping insertion in model container
[2019-08-14 20:38:02,488 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:38:02" (1/1) ...
[2019-08-14 20:38:02,495 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-08-14 20:38:02,555 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-08-14 20:38:02,999 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-08-14 20:38:03,007 INFO  L188         MainTranslator]: Completed pre-run
[2019-08-14 20:38:03,053 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-08-14 20:38:03,111 INFO  L192         MainTranslator]: Completed translation
[2019-08-14 20:38:03,112 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03 WrapperNode
[2019-08-14 20:38:03,112 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-08-14 20:38:03,113 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-14 20:38:03,113 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-14 20:38:03,113 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-14 20:38:03,126 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,126 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,151 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,152 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,165 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,171 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,174 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:03,186 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-14 20:38:03,186 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-14 20:38:03,187 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-14 20:38:03,187 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-14 20:38:03,188 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:38:03" (1/1) ...
No working directory specified, using /storage/repos/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
[2019-08-14 20:38:03,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure myexit
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure sll_create
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure sll_length
[2019-08-14 20:38:03,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure sll_destroy
[2019-08-14 20:38:03,250 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-14 20:38:03,250 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-08-14 20:38:03,250 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-08-14 20:38:03,250 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2019-08-14 20:38:03,250 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2019-08-14 20:38:03,251 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2019-08-14 20:38:03,251 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2019-08-14 20:38:03,251 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2019-08-14 20:38:03,251 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2019-08-14 20:38:03,251 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2019-08-14 20:38:03,251 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2019-08-14 20:38:03,252 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2019-08-14 20:38:03,252 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2019-08-14 20:38:03,252 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2019-08-14 20:38:03,252 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2019-08-14 20:38:03,252 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2019-08-14 20:38:03,252 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2019-08-14 20:38:03,253 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2019-08-14 20:38:03,253 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2019-08-14 20:38:03,253 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2019-08-14 20:38:03,253 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2019-08-14 20:38:03,253 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2019-08-14 20:38:03,253 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2019-08-14 20:38:03,254 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2019-08-14 20:38:03,255 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2019-08-14 20:38:03,255 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2019-08-14 20:38:03,255 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2019-08-14 20:38:03,255 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2019-08-14 20:38:03,255 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2019-08-14 20:38:03,255 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2019-08-14 20:38:03,256 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2019-08-14 20:38:03,257 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2019-08-14 20:38:03,257 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2019-08-14 20:38:03,257 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2019-08-14 20:38:03,257 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2019-08-14 20:38:03,257 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2019-08-14 20:38:03,257 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2019-08-14 20:38:03,258 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-08-14 20:38:03,259 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-08-14 20:38:03,259 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2019-08-14 20:38:03,259 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-08-14 20:38:03,259 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2019-08-14 20:38:03,259 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2019-08-14 20:38:03,259 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2019-08-14 20:38:03,260 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2019-08-14 20:38:03,260 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2019-08-14 20:38:03,260 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2019-08-14 20:38:03,260 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2019-08-14 20:38:03,260 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2019-08-14 20:38:03,260 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2019-08-14 20:38:03,261 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2019-08-14 20:38:03,262 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2019-08-14 20:38:03,262 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2019-08-14 20:38:03,262 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2019-08-14 20:38:03,262 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2019-08-14 20:38:03,262 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2019-08-14 20:38:03,262 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2019-08-14 20:38:03,263 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2019-08-14 20:38:03,264 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2019-08-14 20:38:03,264 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2019-08-14 20:38:03,264 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2019-08-14 20:38:03,264 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2019-08-14 20:38:03,264 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2019-08-14 20:38:03,264 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2019-08-14 20:38:03,265 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2019-08-14 20:38:03,266 INFO  L130     BoogieDeclarations]: Found specification of procedure myexit
[2019-08-14 20:38:03,267 INFO  L130     BoogieDeclarations]: Found specification of procedure sll_create
[2019-08-14 20:38:03,267 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-08-14 20:38:03,267 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-08-14 20:38:03,267 INFO  L130     BoogieDeclarations]: Found specification of procedure sll_length
[2019-08-14 20:38:03,267 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-08-14 20:38:03,267 INFO  L130     BoogieDeclarations]: Found specification of procedure sll_destroy
[2019-08-14 20:38:03,268 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-08-14 20:38:03,268 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-14 20:38:03,268 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-08-14 20:38:03,268 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-14 20:38:03,595 INFO  L684   $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2019-08-14 20:38:03,809 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-14 20:38:03,810 INFO  L283             CfgBuilder]: Removed 4 assume(true) statements.
[2019-08-14 20:38:03,811 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:38:03 BoogieIcfgContainer
[2019-08-14 20:38:03,811 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-14 20:38:03,812 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-14 20:38:03,812 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-14 20:38:03,812 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-14 20:38:03,813 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:38:03" (1/1) ...
[2019-08-14 20:38:04,121 WARN  L89          DagInterpreter]: A function never reaches its return
[2019-08-14 20:38:04,171 WARN  L225             Elim1Store]: Array PQE input equivalent to false
[2019-08-14 20:38:04,472 WARN  L188               SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47
[2019-08-14 20:38:04,644 WARN  L225             Elim1Store]: Array PQE input equivalent to false
[2019-08-14 20:38:04,980 WARN  L188               SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71
[2019-08-14 20:38:05,117 WARN  L188               SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 69
[2019-08-14 20:38:05,271 WARN  L188               SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64
[2019-08-14 20:38:05,508 WARN  L188               SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58
[2019-08-14 20:38:05,835 WARN  L188               SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76
[2019-08-14 20:38:06,143 WARN  L188               SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75
[2019-08-14 20:38:06,301 WARN  L188               SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70
[2019-08-14 20:38:06,701 WARN  L188               SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65
[2019-08-14 20:38:06,868 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-14 20:38:06,870 INFO  L168              Benchmark]: Toolchain (without parser) took 4391.10 ms. Allocated memory was 139.5 MB in the beginning and 264.2 MB in the end (delta: 124.8 MB). Free memory was 85.6 MB in the beginning and 191.5 MB in the end (delta: -105.9 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB.
[2019-08-14 20:38:06,871 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-08-14 20:38:06,872 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 632.50 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 166.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB.
[2019-08-14 20:38:06,873 INFO  L168              Benchmark]: Boogie Preprocessor took 73.49 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 163.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB.
[2019-08-14 20:38:06,873 INFO  L168              Benchmark]: RCFGBuilder took 624.97 ms. Allocated memory is still 200.3 MB. Free memory was 163.3 MB in the beginning and 122.1 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB.
[2019-08-14 20:38:06,874 INFO  L168              Benchmark]: Symbolic Interpretation took 3056.53 ms. Allocated memory was 200.3 MB in the beginning and 264.2 MB in the end (delta: 64.0 MB). Free memory was 122.1 MB in the beginning and 191.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB.
[2019-08-14 20:38:06,878 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: Over-approximation of reachable states at this location is 152#(or (<= main_~len~1 2147483646) (<= 0 (+ main_~len~1 2147483647))). 
Possible FailurePath: 

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 632.50 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 166.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 73.49 ms. Allocated memory is still 200.3 MB. Free memory was 166.4 MB in the beginning and 163.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 624.97 ms. Allocated memory is still 200.3 MB. Free memory was 163.3 MB in the beginning and 122.1 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 3056.53 ms. Allocated memory was 200.3 MB in the beginning and 264.2 MB in the end (delta: 64.0 MB). Free memory was 122.1 MB in the beginning and 191.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...