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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test_while_int.i


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


This is Ultimate 0.1.24-efa34d5
[2019-09-18 21:29:41,884 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-18 21:29:41,886 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-18 21:29:41,898 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-18 21:29:41,898 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-18 21:29:41,899 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-18 21:29:41,900 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-18 21:29:41,902 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-18 21:29:41,904 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-18 21:29:41,905 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-18 21:29:41,906 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
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[2019-09-18 21:29:41,907 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2019-09-18 21:29:41,910 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-18 21:29:41,911 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-18 21:29:41,912 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-18 21:29:41,914 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-18 21:29:41,916 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-18 21:29:41,917 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-18 21:29:41,918 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-18 21:29:41,919 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-18 21:29:41,920 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-18 21:29:41,922 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-09-18 21:29:41,923 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-09-18 21:29:41,930 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-09-18 21:29:41,931 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-18 21:29:41,932 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
[2019-09-18 21:29:41,947 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-18 21:29:41,947 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-18 21:29:41,948 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-18 21:29:41,949 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-18 21:29:41,949 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-18 21:29:41,949 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-18 21:29:41,949 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-18 21:29:41,949 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-18 21:29:41,950 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-18 21:29:41,950 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-18 21:29:41,950 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-18 21:29:41,950 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-18 21:29:41,950 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-18 21:29:41,951 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-18 21:29:41,951 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-18 21:29:41,951 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-18 21:29:41,951 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-18 21:29:41,951 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-18 21:29:41,952 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-18 21:29:41,952 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-18 21:29:41,952 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-18 21:29:41,952 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-18 21:29:41,952 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-18 21:29:41,953 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-18 21:29:41,953 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-18 21:29:41,953 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-18 21:29:41,953 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-18 21:29:41,954 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-18 21:29:41,954 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain
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 -> ReUseSupersetCallSummarizer
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_DDA
[2019-09-18 21:29:41,984 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-18 21:29:42,000 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-18 21:29:42,004 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-18 21:29:42,006 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-18 21:29:42,006 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-18 21:29:42,007 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i
[2019-09-18 21:29:42,087 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48540098/978a3ca705de40ca9558aefc64e5e30e/FLAGe83bf9155
[2019-09-18 21:29:42,582 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-18 21:29:42,585 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i
[2019-09-18 21:29:42,592 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48540098/978a3ca705de40ca9558aefc64e5e30e/FLAGe83bf9155
[2019-09-18 21:29:43,011 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48540098/978a3ca705de40ca9558aefc64e5e30e
[2019-09-18 21:29:43,020 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-18 21:29:43,022 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-18 21:29:43,023 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-18 21:29:43,023 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-18 21:29:43,026 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-18 21:29:43,027 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,032 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183ed6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43, skipping insertion in model container
[2019-09-18 21:29:43,032 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,040 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-18 21:29:43,058 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-18 21:29:43,236 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-18 21:29:43,242 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-18 21:29:43,254 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-18 21:29:43,267 INFO  L192         MainTranslator]: Completed translation
[2019-09-18 21:29:43,268 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43 WrapperNode
[2019-09-18 21:29:43,268 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-18 21:29:43,269 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-18 21:29:43,269 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-18 21:29:43,269 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-18 21:29:43,369 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,370 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,375 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,377 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,383 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,386 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,387 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,388 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-18 21:29:43,389 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-18 21:29:43,389 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-18 21:29:43,389 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-18 21:29:43,389 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:43" (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
[2019-09-18 21:29:43,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-18 21:29:43,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-18 21:29:43,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure __blast_assert
[2019-09-18 21:29:43,449 INFO  L138     BoogieDeclarations]: Found implementation of procedure check_error
[2019-09-18 21:29:43,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-18 21:29:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-18 21:29:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure __blast_assert
[2019-09-18 21:29:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure check_error
[2019-09-18 21:29:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-18 21:29:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-18 21:29:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-18 21:29:43,636 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-18 21:29:43,637 INFO  L283             CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-18 21:29:43,638 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:29:43 BoogieIcfgContainer
[2019-09-18 21:29:43,638 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-18 21:29:43,639 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-18 21:29:43,639 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-18 21:29:43,639 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-18 21:29:43,647 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:29:43" (1/1) ...
[2019-09-18 21:29:43,649 INFO  L79            SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid
[2019-09-18 21:29:43,671 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-18 21:29:43,671 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-18 21:29:43,679 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-18 21:29:43,689 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-18 21:29:43,690 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-18 21:29:43,744 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs
[2019-09-18 21:29:44,171 INFO  L199        IcfgInterpreter]: Interpreting procedure check_error with input of size 6 for LOIs
[2019-09-18 21:29:44,176 INFO  L199        IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs
[2019-09-18 21:29:44,183 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-18 21:29:44,183 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-18 21:29:44,185 INFO  L193        IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 66#true
[2019-09-18 21:29:44,204 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-18 21:29:44,205 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-18 21:29:44,208 INFO  L168              Benchmark]: Toolchain (without parser) took 1184.53 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.4 MB in the beginning and 141.2 MB in the end (delta: -51.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB.
[2019-09-18 21:29:44,209 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-18 21:29:44,210 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 245.76 ms. Allocated memory is still 134.2 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2019-09-18 21:29:44,211 INFO  L168              Benchmark]: Boogie Preprocessor took 119.68 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.7 MB in the beginning and 178.3 MB in the end (delta: -98.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB.
[2019-09-18 21:29:44,212 INFO  L168              Benchmark]: RCFGBuilder took 249.73 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB.
[2019-09-18 21:29:44,213 INFO  L168              Benchmark]: Sifa took 565.93 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 141.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB.
[2019-09-18 21:29:44,222 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 245.76 ms. Allocated memory is still 134.2 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 119.68 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.7 MB in the beginning and 178.3 MB in the end (delta: -98.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 249.73 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB.
 * Sifa took 565.93 ms. Allocated memory is still 201.3 MB. Free memory was 166.4 MB in the beginning and 141.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 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]: 514, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 20, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 33, TOOLS_QUANTIFIERELIM_TIME[ms]: 36, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 235, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 110, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 409, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 408, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 203, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 35
  - UnprovableResult [Line: 6]: 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 66#true. 
Possible FailurePath: 

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