./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/trex02-2.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 025d5a27
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/loops/trex02-2.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 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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/loops/trex02-2.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 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.1.24-025d5a2
[2019-11-26 17:03:24,780 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-26 17:03:24,782 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-26 17:03:24,810 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-26 17:03:24,810 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-26 17:03:24,814 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-26 17:03:24,815 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-26 17:03:24,819 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-26 17:03:24,834 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-26 17:03:24,837 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-26 17:03:24,838 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-26 17:03:24,844 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-26 17:03:24,844 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-26 17:03:24,846 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-26 17:03:24,850 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-26 17:03:24,851 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-26 17:03:24,852 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-26 17:03:24,854 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-26 17:03:24,858 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-26 17:03:24,864 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-26 17:03:24,870 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-26 17:03:24,874 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-26 17:03:24,875 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-26 17:03:24,878 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-26 17:03:24,885 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-26 17:03:24,885 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-26 17:03:24,886 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-26 17:03:24,887 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-26 17:03:24,890 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-26 17:03:24,891 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-26 17:03:24,891 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-26 17:03:24,892 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-26 17:03:24,893 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-26 17:03:24,897 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-26 17:03:24,898 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-26 17:03:24,898 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-26 17:03:24,901 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-26 17:03:24,902 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-26 17:03:24,902 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-26 17:03:24,904 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-26 17:03:24,906 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-26 17:03:24,909 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-26 17:03:24,935 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-26 17:03:24,938 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-26 17:03:24,940 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-26 17:03:24,940 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-26 17:03:24,941 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-26 17:03:24,941 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-26 17:03:24,943 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-26 17:03:24,943 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-26 17:03:24,943 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-26 17:03:24,943 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-26 17:03:24,944 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-26 17:03:24,944 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-26 17:03:24,945 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-26 17:03:24,945 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-26 17:03:24,945 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-26 17:03:24,946 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-26 17:03:24,949 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-26 17:03:24,949 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-26 17:03:24,949 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-26 17:03:24,950 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-26 17:03:24,950 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-26 17:03:24,950 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-26 17:03:24,950 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-26 17:03:24,950 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-26 17:03:24,951 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-26 17:03:24,951 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-26 17:03:24,951 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-26 17:03:24,951 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-26 17:03:24,951 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 -> 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90
[2019-11-26 17:03:25,426 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-26 17:03:25,441 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-26 17:03:25,446 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-26 17:03:25,450 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-26 17:03:25,450 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-26 17:03:25,451 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-2.c
[2019-11-26 17:03:25,557 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0201f88d4/23b17be8fb934889b0908bc7e9ac6d41/FLAGe3d9bf4ca
[2019-11-26 17:03:26,253 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-26 17:03:26,255 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c
[2019-11-26 17:03:26,267 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0201f88d4/23b17be8fb934889b0908bc7e9ac6d41/FLAGe3d9bf4ca
[2019-11-26 17:03:26,580 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0201f88d4/23b17be8fb934889b0908bc7e9ac6d41
[2019-11-26 17:03:26,587 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-26 17:03:26,592 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-26 17:03:26,593 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-26 17:03:26,594 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-26 17:03:26,596 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-26 17:03:26,600 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:26,606 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26, skipping insertion in model container
[2019-11-26 17:03:26,607 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:26,620 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-26 17:03:26,647 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-26 17:03:26,915 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-26 17:03:26,920 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-26 17:03:26,936 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-26 17:03:26,952 INFO  L208         MainTranslator]: Completed translation
[2019-11-26 17:03:26,953 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26 WrapperNode
[2019-11-26 17:03:26,953 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-26 17:03:26,959 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-26 17:03:26,959 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-26 17:03:26,959 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-26 17:03:26,967 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:26,972 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,067 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-26 17:03:27,070 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-26 17:03:27,070 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-26 17:03:27,070 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-26 17:03:27,081 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,082 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,082 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,082 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,085 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,091 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,092 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:26" (1/1) ...
[2019-11-26 17:03:27,095 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-26 17:03:27,102 INFO  L168              Benchmark]: Toolchain (without parser) took 508.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-26 17:03:27,103 INFO  L168              Benchmark]: CDTParser took 2.54 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.
[2019-11-26 17:03:27,117 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 360.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
[2019-11-26 17:03:27,121 INFO  L168              Benchmark]: Boogie Procedure Inliner took 110.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB.
[2019-11-26 17:03:27,122 INFO  L168              Benchmark]: Boogie Preprocessor took 25.65 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-26 17:03:27,130 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 2.54 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 360.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 110.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 25.65 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. 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 0.1.24-025d5a2
[2019-11-26 17:03:29,858 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-26 17:03:29,863 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-26 17:03:29,887 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-26 17:03:29,888 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-26 17:03:29,890 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-26 17:03:29,894 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-26 17:03:29,905 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-26 17:03:29,913 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-26 17:03:29,916 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-26 17:03:29,917 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-26 17:03:29,921 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-26 17:03:29,921 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-26 17:03:29,924 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-26 17:03:29,927 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-26 17:03:29,929 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-26 17:03:29,933 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-26 17:03:29,934 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-26 17:03:29,936 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-26 17:03:29,942 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-26 17:03:29,947 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-26 17:03:29,954 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-26 17:03:29,955 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-26 17:03:29,956 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-26 17:03:29,962 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-26 17:03:29,964 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-26 17:03:29,964 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-26 17:03:29,966 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-26 17:03:29,966 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-26 17:03:29,969 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-26 17:03:29,970 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-26 17:03:29,970 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-26 17:03:29,971 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-26 17:03:29,975 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-26 17:03:29,977 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-26 17:03:29,977 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-26 17:03:29,978 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-26 17:03:29,978 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-26 17:03:29,978 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-26 17:03:29,980 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-26 17:03:29,985 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-26 17:03:29,986 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-26 17:03:30,013 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-26 17:03:30,015 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-26 17:03:30,021 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-26 17:03:30,022 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-26 17:03:30,022 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-26 17:03:30,022 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-26 17:03:30,022 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-26 17:03:30,022 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-26 17:03:30,023 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-26 17:03:30,023 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-26 17:03:30,024 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-26 17:03:30,024 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-26 17:03:30,024 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-26 17:03:30,025 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-26 17:03:30,027 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-26 17:03:30,027 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-26 17:03:30,027 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-26 17:03:30,027 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-26 17:03:30,028 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-26 17:03:30,028 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-26 17:03:30,028 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-26 17:03:30,028 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-26 17:03:30,028 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-26 17:03:30,029 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-26 17:03:30,030 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-26 17:03:30,030 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-26 17:03:30,030 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-26 17:03:30,030 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-26 17:03:30,033 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-26 17:03:30,033 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-26 17:03:30,034 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 -> 59f6b3c0f7e8d2484e4b4c0024f7066a0853dc90
[2019-11-26 17:03:30,459 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-26 17:03:30,475 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-26 17:03:30,483 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-26 17:03:30,485 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-26 17:03:30,485 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-26 17:03:30,486 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-2.c
[2019-11-26 17:03:30,591 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346f8d050/b70b4599c53a45abbe7bfbf78c2cece8/FLAG9d5240181
[2019-11-26 17:03:31,285 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-26 17:03:31,287 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c
[2019-11-26 17:03:31,299 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346f8d050/b70b4599c53a45abbe7bfbf78c2cece8/FLAG9d5240181
[2019-11-26 17:03:31,625 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346f8d050/b70b4599c53a45abbe7bfbf78c2cece8
[2019-11-26 17:03:31,631 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-26 17:03:31,636 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-26 17:03:31,638 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-26 17:03:31,638 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-26 17:03:31,642 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-26 17:03:31,645 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:31" (1/1) ...
[2019-11-26 17:03:31,652 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ceac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:31, skipping insertion in model container
[2019-11-26 17:03:31,653 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:31" (1/1) ...
[2019-11-26 17:03:31,667 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-26 17:03:31,698 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-26 17:03:32,005 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-26 17:03:32,017 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-26 17:03:32,044 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-26 17:03:32,072 INFO  L208         MainTranslator]: Completed translation
[2019-11-26 17:03:32,074 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32 WrapperNode
[2019-11-26 17:03:32,074 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-26 17:03:32,075 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-26 17:03:32,077 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-26 17:03:32,077 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-26 17:03:32,155 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,166 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,182 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-26 17:03:32,183 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-26 17:03:32,183 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-26 17:03:32,183 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-26 17:03:32,190 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,190 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,191 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,195 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,199 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,206 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,207 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:32" (1/1) ...
[2019-11-26 17:03:32,209 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-26 17:03:32,228 INFO  L168              Benchmark]: Toolchain (without parser) took 575.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 995.6 MB in the end (delta: -35.5 MB). There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-26 17:03:32,230 INFO  L168              Benchmark]: CDTParser took 1.21 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.
[2019-11-26 17:03:32,233 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 437.35 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB.
[2019-11-26 17:03:32,235 INFO  L168              Benchmark]: Boogie Procedure Inliner took 107.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 995.6 MB in the end (delta: -47.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB.
[2019-11-26 17:03:32,236 INFO  L168              Benchmark]: Boogie Preprocessor took 26.49 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-26 17:03:32,244 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.21 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 437.35 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB.
 * Boogie Procedure Inliner took 107.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 995.6 MB in the end (delta: -47.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 26.49 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 12.5 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...