./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 32f26835
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26352588a31b6fcf2ba3eba49564cd1e7c7bd820
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26352588a31b6fcf2ba3eba49564cd1e7c7bd820
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.1.24-32f2683
[2019-11-24 21:19:25,652 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-24 21:19:25,657 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-24 21:19:25,692 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-24 21:19:25,694 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-24 21:19:25,696 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-24 21:19:25,698 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-24 21:19:25,723 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-24 21:19:25,727 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-24 21:19:25,734 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-24 21:19:25,738 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-24 21:19:25,741 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-24 21:19:25,743 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-24 21:19:25,749 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-24 21:19:25,752 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-24 21:19:25,757 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-24 21:19:25,761 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-24 21:19:25,764 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-24 21:19:25,770 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-24 21:19:25,778 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-24 21:19:25,788 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-24 21:19:25,793 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-24 21:19:25,797 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-24 21:19:25,799 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-24 21:19:25,810 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-24 21:19:25,810 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-24 21:19:25,811 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-24 21:19:25,813 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-24 21:19:25,813 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-24 21:19:25,815 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-24 21:19:25,817 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-24 21:19:25,820 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-24 21:19:25,822 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-24 21:19:25,826 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-24 21:19:25,829 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-24 21:19:25,830 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-24 21:19:25,831 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-24 21:19:25,834 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-24 21:19:25,834 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-24 21:19:25,835 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-24 21:19:25,838 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-24 21:19:25,840 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-24 21:19:25,880 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-24 21:19:25,880 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-24 21:19:25,885 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-24 21:19:25,885 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-24 21:19:25,886 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-24 21:19:25,886 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-24 21:19:25,886 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-24 21:19:25,889 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-24 21:19:25,889 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-24 21:19:25,889 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-24 21:19:25,891 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-24 21:19:25,891 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-24 21:19:25,891 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-24 21:19:25,892 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2019-11-24 21:19:25,892 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-24 21:19:25,894 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-24 21:19:25,894 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-24 21:19:25,894 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-24 21:19:25,895 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-24 21:19:25,897 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-24 21:19:25,897 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-24 21:19:25,897 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-24 21:19:25,898 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-24 21:19:25,898 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-24 21:19:25,898 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-24 21:19:25,899 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-24 21:19:25,902 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-24 21:19:25,902 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-24 21:19:25,903 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-24 21:19:25,903 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26352588a31b6fcf2ba3eba49564cd1e7c7bd820
[2019-11-24 21:19:26,447 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-24 21:19:26,476 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-24 21:19:26,483 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-24 21:19:26,486 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-24 21:19:26,491 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-24 21:19:26,492 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c
[2019-11-24 21:19:26,668 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c52f53b/7370f149118442deadf29f22567b6ba5/FLAG23480a4b3
[2019-11-24 21:19:27,936 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-24 21:19:27,937 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c
[2019-11-24 21:19:27,971 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c52f53b/7370f149118442deadf29f22567b6ba5/FLAG23480a4b3
[2019-11-24 21:19:28,011 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c52f53b/7370f149118442deadf29f22567b6ba5
[2019-11-24 21:19:28,018 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-24 21:19:28,023 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-24 21:19:28,027 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-24 21:19:28,031 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-24 21:19:28,035 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-24 21:19:28,039 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:19:28" (1/1) ...
[2019-11-24 21:19:28,049 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:28, skipping insertion in model container
[2019-11-24 21:19:28,050 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:19:28" (1/1) ...
[2019-11-24 21:19:28,063 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-24 21:19:28,183 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-24 21:19:29,103 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 21:19:29,123 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-24 21:19:29,357 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 21:19:29,389 INFO  L208         MainTranslator]: Completed translation
[2019-11-24 21:19:29,391 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29 WrapperNode
[2019-11-24 21:19:29,391 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-24 21:19:29,393 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-24 21:19:29,393 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-24 21:19:29,393 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-24 21:19:29,412 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,466 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,574 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-24 21:19:29,577 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-24 21:19:29,578 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-24 21:19:29,578 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-24 21:19:29,590 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,591 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,601 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,602 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,663 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,718 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,731 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:29" (1/1) ...
[2019-11-24 21:19:29,758 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-24 21:19:29,777 INFO  L168              Benchmark]: Toolchain (without parser) took 1742.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-24 21:19:29,778 INFO  L168              Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-24 21:19:29,779 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1364.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:29,787 INFO  L168              Benchmark]: Boogie Procedure Inliner took 183.85 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:29,788 INFO  L168              Benchmark]: Boogie Preprocessor took 184.94 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:29,803 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB.
 * CACSL2BoogieTranslator took 1364.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 183.85 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 184.94 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.1.24-32f2683
[2019-11-24 21:19:33,676 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-24 21:19:33,684 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-24 21:19:33,708 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-24 21:19:33,709 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-24 21:19:33,712 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-24 21:19:33,726 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-24 21:19:33,742 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-24 21:19:33,745 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-24 21:19:33,753 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-24 21:19:33,754 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-24 21:19:33,760 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-24 21:19:33,761 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-24 21:19:33,768 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-24 21:19:33,774 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-24 21:19:33,777 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-24 21:19:33,782 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-24 21:19:33,785 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-24 21:19:33,790 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-24 21:19:33,801 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-24 21:19:33,809 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-24 21:19:33,816 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-24 21:19:33,821 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-24 21:19:33,823 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-24 21:19:33,830 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-24 21:19:33,831 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-24 21:19:33,833 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-24 21:19:33,835 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-24 21:19:33,836 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-24 21:19:33,839 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-24 21:19:33,840 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-24 21:19:33,841 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-24 21:19:33,846 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-24 21:19:33,849 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-24 21:19:33,854 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-24 21:19:33,854 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-24 21:19:33,855 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-24 21:19:33,859 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-24 21:19:33,859 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-24 21:19:33,861 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-24 21:19:33,862 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-24 21:19:33,866 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-24 21:19:33,907 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-24 21:19:33,910 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-24 21:19:33,913 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-24 21:19:33,915 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-24 21:19:33,915 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-24 21:19:33,916 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-24 21:19:33,917 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-24 21:19:33,917 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-24 21:19:33,917 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-24 21:19:33,919 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-24 21:19:33,920 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-24 21:19:33,922 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-24 21:19:33,922 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2019-11-24 21:19:33,923 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-24 21:19:33,923 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-24 21:19:33,923 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-24 21:19:33,925 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-24 21:19:33,925 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-24 21:19:33,925 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-24 21:19:33,926 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-24 21:19:33,929 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-24 21:19:33,929 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-24 21:19:33,930 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-24 21:19:33,930 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-24 21:19:33,930 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-24 21:19:33,931 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-24 21:19:33,931 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-24 21:19:33,931 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-24 21:19:33,931 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-24 21:19:33,932 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-24 21:19:33,933 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-24 21:19:33,936 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26352588a31b6fcf2ba3eba49564cd1e7c7bd820
[2019-11-24 21:19:34,577 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-24 21:19:34,608 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-24 21:19:34,616 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-24 21:19:34,622 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-24 21:19:34,623 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-24 21:19:34,624 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c
[2019-11-24 21:19:34,778 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d6ab10b/2d48ab7ea0ec4160ac41d9400a4388a1/FLAG68f1ee747
[2019-11-24 21:19:36,045 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-24 21:19:36,051 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c
[2019-11-24 21:19:36,091 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d6ab10b/2d48ab7ea0ec4160ac41d9400a4388a1/FLAG68f1ee747
[2019-11-24 21:19:36,132 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d6ab10b/2d48ab7ea0ec4160ac41d9400a4388a1
[2019-11-24 21:19:36,140 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-24 21:19:36,144 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-24 21:19:36,149 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-24 21:19:36,150 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-24 21:19:36,157 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-24 21:19:36,158 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:19:36" (1/1) ...
[2019-11-24 21:19:36,168 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:36, skipping insertion in model container
[2019-11-24 21:19:36,168 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:19:36" (1/1) ...
[2019-11-24 21:19:36,194 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-24 21:19:36,318 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-24 21:19:37,317 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 21:19:37,356 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-24 21:19:37,650 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-24 21:19:37,689 INFO  L208         MainTranslator]: Completed translation
[2019-11-24 21:19:37,690 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37 WrapperNode
[2019-11-24 21:19:37,691 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-24 21:19:37,692 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-24 21:19:37,692 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-24 21:19:37,694 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-24 21:19:37,714 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:37,765 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:37,885 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-24 21:19:37,887 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-24 21:19:37,890 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-24 21:19:37,890 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-24 21:19:37,912 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:37,913 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:37,929 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:37,929 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:37,981 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:38,038 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:38,056 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:19:37" (1/1) ...
[2019-11-24 21:19:38,082 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-24 21:19:38,098 INFO  L168              Benchmark]: Toolchain (without parser) took 1944.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:38,099 INFO  L168              Benchmark]: CDTParser took 1.93 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-24 21:19:38,102 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1541.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:38,108 INFO  L168              Benchmark]: Boogie Procedure Inliner took 194.79 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:38,110 INFO  L168              Benchmark]: Boogie Preprocessor took 198.72 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-24 21:19:38,126 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.93 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB.
 * CACSL2BoogieTranslator took 1541.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 194.79 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 198.72 ms. Allocated memory is still 1.0 GB. Free memory was 968.3 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...