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 --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i
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This is Ultimate 0.1.24-fea9116
[2019-09-21 09:12:24,993 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-09-21 09:12:24,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 09:12:25,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 09:12:25,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 09:12:25,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 09:12:25,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 09:12:25,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 09:12:25,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 09:12:25,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 09:12:25,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 09:12:25,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 09:12:25,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 09:12:25,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 09:12:25,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 09:12:25,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 09:12:25,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 09:12:25,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 09:12:25,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 09:12:25,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 09:12:25,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 09:12:25,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 09:12:25,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 09:12:25,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 09:12:25,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 09:12:25,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 09:12:25,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 09:12:25,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 09:12:25,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 09:12:25,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 09:12:25,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 09:12:25,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 09:12:25,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 09:12:25,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 09:12:25,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 09:12:25,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 09:12:25,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 09:12:25,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 09:12:25,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 09:12:25,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 09:12:25,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 09:12:25,042 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
[2019-09-21 09:12:25,057 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-21 09:12:25,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 09:12:25,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 09:12:25,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-09-21 09:12:25,059 INFO L138 SettingsManager]: * Use SBE=true
[2019-09-21 09:12:25,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 09:12:25,059 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-21 09:12:25,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-09-21 09:12:25,059 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-21 09:12:25,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-21 09:12:25,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 09:12:25,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 09:12:25,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 09:12:25,060 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-21 09:12:25,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-21 09:12:25,061 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-09-21 09:12:25,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-21 09:12:25,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 09:12:25,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-21 09:12:25,062 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-09-21 09:12:25,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-09-21 09:12:25,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:12:25,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 09:12:25,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 09:12:25,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 09:12:25,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-09-21 09:12:25,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 09:12:25,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 09:12:25,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-09-21 09:12:25,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 09:12:25,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 09:12:25,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 09:12:25,111 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-21 09:12:25,111 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-21 09:12:25,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i
[2019-09-21 09:12:25,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5085d5c41/1844ae8f00014df2934c1316e0cfb35d/FLAGeebae158f
[2019-09-21 09:12:25,653 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-21 09:12:25,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i
[2019-09-21 09:12:25,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5085d5c41/1844ae8f00014df2934c1316e0cfb35d/FLAGeebae158f
[2019-09-21 09:12:25,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5085d5c41/1844ae8f00014df2934c1316e0cfb35d
[2019-09-21 09:12:26,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 09:12:26,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 09:12:26,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 09:12:26,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 09:12:26,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 09:12:26,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1316cd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26, skipping insertion in model container
[2019-09-21 09:12:26,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-21 09:12:26,078 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-21 09:12:26,508 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:12:26,520 INFO L188 MainTranslator]: Completed pre-run
[2019-09-21 09:12:26,564 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:12:26,623 INFO L192 MainTranslator]: Completed translation
[2019-09-21 09:12:26,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26 WrapperNode
[2019-09-21 09:12:26,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 09:12:26,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 09:12:26,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 09:12:26,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 09:12:26,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (1/1) ...
[2019-09-21 09:12:26,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 09:12:26,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 09:12:26,686 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 09:12:26,686 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-21 09:12:26,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:26" (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
[2019-09-21 09:12:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 09:12:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 09:12:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2019-09-21 09:12:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2019-09-21 09:12:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit
[2019-09-21 09:12:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create
[2019-09-21 09:12:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create
[2019-09-21 09:12:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy
[2019-09-21 09:12:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend
[2019-09-21 09:12:26,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 09:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 09:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2019-09-21 09:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2019-09-21 09:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2019-09-21 09:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2019-09-21 09:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2019-09-21 09:12:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2019-09-21 09:12:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2019-09-21 09:12:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2019-09-21 09:12:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2019-09-21 09:12:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2019-09-21 09:12:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2019-09-21 09:12:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2019-09-21 09:12:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2019-09-21 09:12:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2019-09-21 09:12:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2019-09-21 09:12:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2019-09-21 09:12:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2019-09-21 09:12:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2019-09-21 09:12:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2019-09-21 09:12:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2019-09-21 09:12:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2019-09-21 09:12:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2019-09-21 09:12:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2019-09-21 09:12:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2019-09-21 09:12:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2019-09-21 09:12:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2019-09-21 09:12:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2019-09-21 09:12:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2019-09-21 09:12:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2019-09-21 09:12:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2019-09-21 09:12:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2019-09-21 09:12:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2019-09-21 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2019-09-21 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2019-09-21 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2019-09-21 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2019-09-21 09:12:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2019-09-21 09:12:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2019-09-21 09:12:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2019-09-21 09:12:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2019-09-21 09:12:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 09:12:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2019-09-21 09:12:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2019-09-21 09:12:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-09-21 09:12:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2019-09-21 09:12:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2019-09-21 09:12:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2019-09-21 09:12:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2019-09-21 09:12:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2019-09-21 09:12:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2019-09-21 09:12:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2019-09-21 09:12:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2019-09-21 09:12:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2019-09-21 09:12:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2019-09-21 09:12:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2019-09-21 09:12:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2019-09-21 09:12:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2019-09-21 09:12:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2019-09-21 09:12:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2019-09-21 09:12:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2019-09-21 09:12:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2019-09-21 09:12:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2019-09-21 09:12:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2019-09-21 09:12:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2019-09-21 09:12:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2019-09-21 09:12:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2019-09-21 09:12:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2019-09-21 09:12:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2019-09-21 09:12:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2019-09-21 09:12:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2019-09-21 09:12:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2019-09-21 09:12:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2019-09-21 09:12:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2019-09-21 09:12:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2019-09-21 09:12:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure myexit
[2019-09-21 09:12:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure node_create
[2019-09-21 09:12:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 09:12:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 09:12:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 09:12:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create
[2019-09-21 09:12:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy
[2019-09-21 09:12:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 09:12:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 09:12:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 09:12:27,165 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2019-09-21 09:12:27,521 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 09:12:27,521 INFO L283 CfgBuilder]: Removed 3 assume(true) statements.
[2019-09-21 09:12:27,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:27 BoogieIcfgContainer
[2019-09-21 09:12:27,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 09:12:27,523 INFO L113 PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 09:12:27,523 INFO L271 PluginConnector]: Initializing Sifa...
[2019-09-21 09:12:27,524 INFO L275 PluginConnector]: Sifa initialized
[2019-09-21 09:12:27,525 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:27" (1/1) ...
[2019-09-21 09:12:27,525 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds
(negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than
(negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid
[2019-09-21 09:12:27,547 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 09:12:27,547 INFO L169 IcfgInterpreter]: Building call graph
[2019-09-21 09:12:27,554 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 09:12:27,561 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-09-21 09:12:27,563 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 09:12:27,714 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs
[2019-09-21 09:12:27,929 WARN L98 DagInterpreter]: A function never reaches its return
[2019-09-21 09:12:28,391 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-09-21 09:12:28,391 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 09:12:28,393 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 62#true
[2019-09-21 09:12:28,408 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 09:12:28,408 INFO L132 PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 09:12:28,409 INFO L168 Benchmark]: Toolchain (without parser) took 2399.30 ms. Allocated memory was 137.9 MB in the beginning and 218.6 MB in the end (delta: 80.7 MB). Free memory was 83.7 MB in the beginning and 164.8 MB in the end (delta: -81.1 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-21 09:12:28,410 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 09:12:28,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.84 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 83.5 MB in the beginning and 162.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
[2019-09-21 09:12:28,411 INFO L168 Benchmark]: Boogie Preprocessor took 61.08 ms. Allocated memory is still 198.7 MB. Free memory was 162.2 MB in the beginning and 156.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB.
[2019-09-21 09:12:28,412 INFO L168 Benchmark]: RCFGBuilder took 837.34 ms. Allocated memory is still 198.7 MB. Free memory was 156.9 MB in the beginning and 103.5 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB.
[2019-09-21 09:12:28,413 INFO L168 Benchmark]: Sifa took 884.82 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 103.5 MB in the beginning and 164.8 MB in the end (delta: -61.2 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-21 09:12:28,416 INFO L335 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 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 612.84 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 83.5 MB in the beginning and 162.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 61.08 ms. Allocated memory is still 198.7 MB. Free memory was 162.2 MB in the beginning and 156.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 837.34 ms. Allocated memory is still 198.7 MB. Free memory was 156.9 MB in the beginning and 103.5 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB.
* Sifa took 884.82 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 103.5 MB in the beginning and 164.8 MB in the end (delta: -61.2 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.sifa:
- StatisticsResult: Symbolic Interpretation with Fluid Abstractions
OVERALL_TIME[ms]: 848, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 39, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 29, TOOLS_POST_TIME[ms]: 493, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 165, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME[ms]: 658, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 108, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 48, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 379, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 378, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 587, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 586, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 51
- UnprovableResult [Line: 618]: 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 62#true.
Possible FailurePath:
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...