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/loop-acceleration/array_2-2.i


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 02:27:46,427 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-14 02:27:46,430 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 02:27:46,446 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 02:27:46,447 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 02:27:46,448 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 02:27:46,449 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 02:27:46,451 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 02:27:46,452 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 02:27:46,453 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 02:27:46,454 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-14 02:27:46,455 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-14 02:27:46,456 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 02:27:46,457 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 02:27:46,458 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 02:27:46,459 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 02:27:46,459 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 02:27:46,460 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 02:27:46,462 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 02:27:46,464 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 02:27:46,465 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 02:27:46,466 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-14 02:27:46,468 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-14 02:27:46,468 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 02:27:46,470 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-14 02:27:46,471 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 02:27:46,472 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 02:27:46,472 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-14 02:27:46,473 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-14 02:27:46,473 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-14 02:27:46,474 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-14 02:27:46,475 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-14 02:27:46,475 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-14 02:27:46,476 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-14 02:27:46,477 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-14 02:27:46,477 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2019-10-14 02:27:46,478 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-14 02:27:46,479 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 02:27:46,480 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 02:27:46,500 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-14 02:27:46,501 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 02:27:46,503 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 02:27:46,503 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-14 02:27:46,503 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-14 02:27:46,503 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 02:27:46,504 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-14 02:27:46,504 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-14 02:27:46,504 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-14 02:27:46,504 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-14 02:27:46,504 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 02:27:46,505 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 02:27:46,505 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 02:27:46,505 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-14 02:27:46,505 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-14 02:27:46,505 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-14 02:27:46,506 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-14 02:27:46,506 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 02:27:46,506 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-14 02:27:46,506 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-14 02:27:46,506 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-14 02:27:46,507 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 02:27:46,507 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 02:27:46,507 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 02:27:46,507 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 02:27:46,507 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-14 02:27:46,508 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 02:27:46,508 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 02:27:46,508 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 02:27:46,781 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 02:27:46,794 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 02:27:46,799 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 02:27:46,801 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-14 02:27:46,801 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-14 02:27:46,802 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_2-2.i
[2019-10-14 02:27:46,875 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b533fba5/9dbebe16cf564404b03ccbb57d66b04c/FLAGdf699fc32
[2019-10-14 02:27:47,345 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-14 02:27:47,347 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_2-2.i
[2019-10-14 02:27:47,353 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b533fba5/9dbebe16cf564404b03ccbb57d66b04c/FLAGdf699fc32
[2019-10-14 02:27:47,740 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b533fba5/9dbebe16cf564404b03ccbb57d66b04c
[2019-10-14 02:27:47,755 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 02:27:47,757 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 02:27:47,758 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 02:27:47,759 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 02:27:47,762 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 02:27:47,763 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:47,766 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f1e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47, skipping insertion in model container
[2019-10-14 02:27:47,766 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:47,774 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-14 02:27:47,791 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-14 02:27:47,947 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 02:27:47,951 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-14 02:27:47,969 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 02:27:47,986 INFO  L192         MainTranslator]: Completed translation
[2019-10-14 02:27:47,986 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47 WrapperNode
[2019-10-14 02:27:47,986 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 02:27:47,987 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 02:27:47,987 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 02:27:47,987 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 02:27:48,079 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,079 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,088 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,090 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,103 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,108 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,109 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (1/1) ...
[2019-10-14 02:27:48,111 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 02:27:48,112 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 02:27:48,112 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 02:27:48,112 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-14 02:27:48,113 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:47" (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 02:27:48,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 02:27:48,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 02:27:48,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-14 02:27:48,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 02:27:48,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 02:27:48,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-14 02:27:48,167 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-14 02:27:48,167 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 02:27:48,168 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 02:27:48,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 02:27:48,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 02:27:48,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 02:27:48,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 02:27:48,403 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 02:27:48,404 INFO  L284             CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-14 02:27:48,405 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:27:48 BoogieIcfgContainer
[2019-10-14 02:27:48,405 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 02:27:48,406 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-10-14 02:27:48,406 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-10-14 02:27:48,406 INFO  L275        PluginConnector]: Sifa initialized
[2019-10-14 02:27:48,408 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:27:48" (1/1) ...
[2019-10-14 02:27:48,408 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 02:27:48,437 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-10-14 02:27:48,437 INFO  L169        IcfgInterpreter]: Building call graph
[2019-10-14 02:27:48,447 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-14 02:27:48,458 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-10-14 02:27:48,460 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-14 02:27:48,648 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs
[2019-10-14 02:27:49,134 INFO  L199        IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs
[2019-10-14 02:27:49,143 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-10-14 02:27:49,144 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-10-14 02:27:49,146 INFO  L193        IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#B~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_prenex_1) 4096) (select (select |#memory_int| v_prenex_2) 4096)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 4096) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) 4096))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))
[2019-10-14 02:27:49,162 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-10-14 02:27:49,162 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-10-14 02:27:49,164 INFO  L168              Benchmark]: Toolchain (without parser) took 1407.15 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 104.0 MB in the beginning and 115.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB.
[2019-10-14 02:27:49,165 INFO  L168              Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-10-14 02:27:49,166 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 228.08 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 94.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2019-10-14 02:27:49,167 INFO  L168              Benchmark]: Boogie Preprocessor took 124.40 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 94.1 MB in the beginning and 180.6 MB in the end (delta: -86.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB.
[2019-10-14 02:27:49,168 INFO  L168              Benchmark]: RCFGBuilder took 294.02 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 165.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB.
[2019-10-14 02:27:49,169 INFO  L168              Benchmark]: Sifa took 756.08 ms. Allocated memory is still 202.4 MB. Free memory was 165.3 MB in the beginning and 115.1 MB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 7.1 GB.
[2019-10-14 02:27:49,173 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 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 228.08 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 94.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 124.40 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 94.1 MB in the beginning and 180.6 MB in the end (delta: -86.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 294.02 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 165.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB.
 * Sifa took 756.08 ms. Allocated memory is still 202.4 MB. Free memory was 165.3 MB in the beginning and 115.1 MB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 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]: 710, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 175, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 192, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 98, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 228, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 184, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 466, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 465, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 133, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 133, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28
  - UnprovableResult [Line: 4]: 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 49#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#B~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_prenex_1) 4096) (select (select |#memory_int| v_prenex_2) 4096)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 4096) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) 4096))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). 
Possible FailurePath: 

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...