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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test21-1.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 02:24:52,623 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-14 02:24:52,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 02:24:52,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 02:24:52,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 02:24:52,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 02:24:52,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 02:24:52,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 02:24:52,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 02:24:52,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 02:24:52,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-14 02:24:52,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-14 02:24:52,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 02:24:52,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 02:24:52,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 02:24:52,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 02:24:52,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 02:24:52,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 02:24:52,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 02:24:52,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 02:24:52,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 02:24:52,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-14 02:24:52,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-14 02:24:52,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 02:24:52,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-14 02:24:52,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-14 02:24:52,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 02:24:52,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 02:24:52,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-14 02:24:52,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-14 02:24:52,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-14 02:24:52,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-14 02:24:52,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-14 02:24:52,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-14 02:24:52,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-14 02:24:52,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-14 02:24:52,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-14 02:24:52,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-14 02:24:52,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-14 02:24:52,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-14 02:24:52,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 02:24:52,677 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
[2019-10-14 02:24:52,697 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-14 02:24:52,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 02:24:52,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 02:24:52,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-14 02:24:52,700 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-14 02:24:52,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 02:24:52,700 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-14 02:24:52,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-14 02:24:52,701 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-14 02:24:52,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-14 02:24:52,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 02:24:52,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 02:24:52,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 02:24:52,702 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-14 02:24:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-14 02:24:52,703 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-14 02:24:52,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-14 02:24:52,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 02:24:52,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-14 02:24:52,703 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-14 02:24:52,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-14 02:24:52,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 02:24:52,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 02:24:52,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 02:24:52,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 02:24:52,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-14 02:24:52,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 02:24:52,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 02:24:52,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
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: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-14 02:24:53,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 02:24:53,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 02:24:53,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 02:24:53,030 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-14 02:24:53,030 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-14 02:24:53,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c
[2019-10-14 02:24:53,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9d675b3/01f0f26e8eab492a89c6c7dc09a9f114/FLAGf75a0f59f
[2019-10-14 02:24:53,506 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-14 02:24:53,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c
[2019-10-14 02:24:53,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9d675b3/01f0f26e8eab492a89c6c7dc09a9f114/FLAGf75a0f59f
[2019-10-14 02:24:53,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9d675b3/01f0f26e8eab492a89c6c7dc09a9f114
[2019-10-14 02:24:53,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 02:24:53,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 02:24:53,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 02:24:53,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 02:24:53,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 02:24:53,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:24:53" (1/1) ...
[2019-10-14 02:24:53,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6608a0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:53, skipping insertion in model container
[2019-10-14 02:24:53,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:24:53" (1/1) ...
[2019-10-14 02:24:53,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-14 02:24:53,961 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-14 02:24:54,180 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 02:24:54,193 INFO L188 MainTranslator]: Completed pre-run
[2019-10-14 02:24:54,210 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 02:24:54,228 INFO L192 MainTranslator]: Completed translation
[2019-10-14 02:24:54,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54 WrapperNode
[2019-10-14 02:24:54,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 02:24:54,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 02:24:54,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 02:24:54,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 02:24:54,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 02:24:54,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 02:24:54,355 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 02:24:54,355 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-14 02:24:54,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:24:54" (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
[2019-10-14 02:24:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 02:24:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 02:24:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure init
[2019-10-14 02:24:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy
[2019-10-14 02:24:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure check
[2019-10-14 02:24:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 02:24:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 02:24:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 02:24:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2019-10-14 02:24:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure init
[2019-10-14 02:24:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 02:24:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy
[2019-10-14 02:24:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure check
[2019-10-14 02:24:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 02:24:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-14 02:24:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 02:24:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 02:24:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-14 02:24:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 02:24:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 02:24:54,777 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 02:24:54,778 INFO L284 CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-14 02:24:54,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:24:54 BoogieIcfgContainer
[2019-10-14 02:24:54,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 02:24:54,780 INFO L113 PluginConnector]: ------------------------Sifa----------------------------
[2019-10-14 02:24:54,780 INFO L271 PluginConnector]: Initializing Sifa...
[2019-10-14 02:24:54,780 INFO L275 PluginConnector]: Sifa initialized
[2019-10-14 02:24:54,781 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:24:54" (1/1) ...
[2019-10-14 02:24:54,782 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1
[2019-10-14 02:24:54,808 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-10-14 02:24:54,809 INFO L169 IcfgInterpreter]: Building call graph
[2019-10-14 02:24:54,816 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-14 02:24:54,823 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-10-14 02:24:54,824 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-14 02:24:55,200 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs
[2019-10-14 02:24:55,411 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39
[2019-10-14 02:24:55,653 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-14 02:24:55,666 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-14 02:24:55,679 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-14 02:24:55,720 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-14 02:24:55,732 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-14 02:24:55,782 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-14 02:24:55,882 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-10-14 02:24:55,883 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-10-14 02:24:55,885 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 77#(and (= |#NULL.base| 0) (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= |#NULL.base| 0) (= |~#d1~0.offset| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (= |~#d2~0.offset| 0) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset) (= |#NULL.offset| 0))
[2019-10-14 02:24:55,903 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-10-14 02:24:55,904 INFO L132 PluginConnector]: ------------------------ END Sifa----------------------------
[2019-10-14 02:24:55,907 INFO L168 Benchmark]: Toolchain (without parser) took 1981.24 ms. Allocated memory was 136.8 MB in the beginning and 229.6 MB in the end (delta: 92.8 MB). Free memory was 101.4 MB in the beginning and 185.4 MB in the end (delta: -84.0 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB.
[2019-10-14 02:24:55,908 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-14 02:24:55,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.64 ms. Allocated memory is still 136.8 MB. Free memory was 101.2 MB in the beginning and 91.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2019-10-14 02:24:55,916 INFO L168 Benchmark]: Boogie Preprocessor took 125.11 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 177.2 MB in the end (delta: -86.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB.
[2019-10-14 02:24:55,917 INFO L168 Benchmark]: RCFGBuilder took 424.22 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 157.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
[2019-10-14 02:24:55,918 INFO L168 Benchmark]: Sifa took 1124.52 ms. Allocated memory was 199.8 MB in the beginning and 229.6 MB in the end (delta: 29.9 MB). Free memory was 157.0 MB in the beginning and 185.4 MB in the end (delta: -28.4 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB.
[2019-10-14 02:24:55,932 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 303.64 ms. Allocated memory is still 136.8 MB. Free memory was 101.2 MB in the beginning and 91.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 125.11 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 177.2 MB in the end (delta: -86.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 424.22 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 157.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
* Sifa took 1124.52 ms. Allocated memory was 199.8 MB in the beginning and 229.6 MB in the end (delta: 29.9 MB). Free memory was 157.0 MB in the beginning and 185.4 MB in the end (delta: -28.4 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.sifa:
- StatisticsResult: Symbolic Interpretation with Fluid Abstractions
OVERALL_TIME[ms]: 1077, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 473, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 301, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 21, TOOLS_QUANTIFIERELIM_TIME[ms]: 772, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 226, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 214, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 620, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 620, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 33
- UnprovableResult [Line: 42]: 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 77#(and (= |#NULL.base| 0) (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= |#NULL.base| 0) (= |~#d1~0.offset| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (= |~#d2~0.offset| 0) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset) (= |#NULL.offset| 0)).
Possible FailurePath:
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...