./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/signextension-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version da95e156
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/bitvector-regression/signextension-1.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 93417fec817c517a78d8232b303da21d88847972
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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/bitvector-regression/signextension-1.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 93417fec817c517a78d8232b303da21d88847972
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.1.24-da95e15
[2019-11-27 09:19:27,525 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-27 09:19:27,531 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-27 09:19:27,558 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-27 09:19:27,560 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-27 09:19:27,562 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-27 09:19:27,575 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-27 09:19:27,590 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-27 09:19:27,596 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-27 09:19:27,600 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-27 09:19:27,607 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-27 09:19:27,610 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-27 09:19:27,613 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-27 09:19:27,617 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-27 09:19:27,619 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-27 09:19:27,625 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-27 09:19:27,629 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-27 09:19:27,632 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-27 09:19:27,637 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-27 09:19:27,646 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-27 09:19:27,653 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-27 09:19:27,658 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-27 09:19:27,665 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-27 09:19:27,667 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-27 09:19:27,674 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-27 09:19:27,674 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-27 09:19:27,675 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-27 09:19:27,678 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-27 09:19:27,680 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-27 09:19:27,681 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-27 09:19:27,683 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-27 09:19:27,684 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-27 09:19:27,688 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-27 09:19:27,690 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-27 09:19:27,696 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-27 09:19:27,696 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-27 09:19:27,697 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-27 09:19:27,698 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-27 09:19:27,700 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-27 09:19:27,702 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-27 09:19:27,709 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-27 09:19:27,710 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-27 09:19:27,746 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-27 09:19:27,748 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-27 09:19:27,753 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-27 09:19:27,753 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-27 09:19:27,754 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-27 09:19:27,754 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-27 09:19:27,757 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-27 09:19:27,757 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-27 09:19:27,757 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-27 09:19:27,758 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-27 09:19:27,759 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-27 09:19:27,760 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-27 09:19:27,760 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-27 09:19:27,760 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-27 09:19:27,762 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-27 09:19:27,762 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-27 09:19:27,762 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-27 09:19:27,764 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-27 09:19:27,764 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-27 09:19:27,765 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-27 09:19:27,767 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-27 09:19:27,767 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-27 09:19:27,768 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-27 09:19:27,768 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-27 09:19:27,768 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-27 09:19:27,769 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-27 09:19:27,770 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-27 09:19:27,770 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-27 09:19:27,773 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 -> 93417fec817c517a78d8232b303da21d88847972
[2019-11-27 09:19:28,416 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-27 09:19:28,445 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-27 09:19:28,454 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-27 09:19:28,456 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-27 09:19:28,461 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-27 09:19:28,463 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension-1.c
[2019-11-27 09:19:28,621 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16da0ab3c/760b8b52a2dc409f8dbafc2bb1ef6ae5/FLAG994d39443
[2019-11-27 09:19:29,683 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-27 09:19:29,686 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension-1.c
[2019-11-27 09:19:29,704 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16da0ab3c/760b8b52a2dc409f8dbafc2bb1ef6ae5/FLAG994d39443
[2019-11-27 09:19:29,742 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16da0ab3c/760b8b52a2dc409f8dbafc2bb1ef6ae5
[2019-11-27 09:19:29,750 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-27 09:19:29,753 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-27 09:19:29,758 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-27 09:19:29,759 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-27 09:19:29,765 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-27 09:19:29,771 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:29" (1/1) ...
[2019-11-27 09:19:29,778 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:29, skipping insertion in model container
[2019-11-27 09:19:29,779 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:29" (1/1) ...
[2019-11-27 09:19:29,800 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-27 09:19:29,842 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-27 09:19:30,272 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:19:30,278 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-27 09:19:30,302 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:19:30,323 INFO  L208         MainTranslator]: Completed translation
[2019-11-27 09:19:30,324 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30 WrapperNode
[2019-11-27 09:19:30,325 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-27 09:19:30,338 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-27 09:19:30,338 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-27 09:19:30,338 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-27 09:19:30,348 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,354 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,481 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-27 09:19:30,485 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-27 09:19:30,485 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-27 09:19:30,485 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-27 09:19:30,497 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,497 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,503 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,503 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,506 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,509 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,510 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:30" (1/1) ...
[2019-11-27 09:19:30,517 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-27 09:19:30,537 INFO  L168              Benchmark]: Toolchain (without parser) took 766.41 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-27 09:19:30,539 INFO  L168              Benchmark]: CDTParser took 0.44 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.
[2019-11-27 09:19:30,543 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 572.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
[2019-11-27 09:19:30,546 INFO  L168              Benchmark]: Boogie Procedure Inliner took 146.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB.
[2019-11-27 09:19:30,550 INFO  L168              Benchmark]: Boogie Preprocessor took 32.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB.
[2019-11-27 09:19:30,561 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.44 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 572.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 146.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 32.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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-da95e15
[2019-11-27 09:19:34,610 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-27 09:19:34,619 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-27 09:19:34,642 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-27 09:19:34,643 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-27 09:19:34,656 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-27 09:19:34,662 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-27 09:19:34,678 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-27 09:19:34,680 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-27 09:19:34,687 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-27 09:19:34,690 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-27 09:19:34,695 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-27 09:19:34,698 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-27 09:19:34,704 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-27 09:19:34,710 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-27 09:19:34,713 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-27 09:19:34,717 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-27 09:19:34,718 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-27 09:19:34,725 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-27 09:19:34,736 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-27 09:19:34,742 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-27 09:19:34,749 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-27 09:19:34,752 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-27 09:19:34,758 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-27 09:19:34,766 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-27 09:19:34,766 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-27 09:19:34,767 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-27 09:19:34,769 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-27 09:19:34,769 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-27 09:19:34,772 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-27 09:19:34,774 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-27 09:19:34,775 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-27 09:19:34,776 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-27 09:19:34,781 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-27 09:19:34,783 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-27 09:19:34,785 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-27 09:19:34,786 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-27 09:19:34,789 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-27 09:19:34,789 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-27 09:19:34,792 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-27 09:19:34,795 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-27 09:19:34,797 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2019-11-27 09:19:34,840 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-27 09:19:34,841 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-27 09:19:34,843 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-27 09:19:34,845 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-27 09:19:34,845 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-27 09:19:34,846 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-27 09:19:34,848 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-27 09:19:34,848 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-27 09:19:34,848 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-27 09:19:34,849 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-27 09:19:34,850 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-27 09:19:34,851 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-27 09:19:34,853 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2019-11-27 09:19:34,854 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2019-11-27 09:19:34,854 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-27 09:19:34,855 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-27 09:19:34,855 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-27 09:19:34,855 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-27 09:19:34,856 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-27 09:19:34,858 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-27 09:19:34,858 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-27 09:19:34,858 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-27 09:19:34,859 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-27 09:19:34,859 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-27 09:19:34,861 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-27 09:19:34,861 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-27 09:19:34,861 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2019-11-27 09:19:34,862 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt
[2019-11-27 09:19:34,863 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-27 09:19:34,863 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-27 09:19:34,867 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 -> 93417fec817c517a78d8232b303da21d88847972
[2019-11-27 09:19:35,430 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-27 09:19:35,466 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-27 09:19:35,477 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-27 09:19:35,479 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-27 09:19:35,482 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-27 09:19:35,484 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/signextension-1.c
[2019-11-27 09:19:35,650 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7357c50/849befc97ae04e1ab36c83d476e8c84e/FLAG331221aa2
[2019-11-27 09:19:36,745 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-27 09:19:36,747 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/signextension-1.c
[2019-11-27 09:19:36,766 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7357c50/849befc97ae04e1ab36c83d476e8c84e/FLAG331221aa2
[2019-11-27 09:19:36,810 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7357c50/849befc97ae04e1ab36c83d476e8c84e
[2019-11-27 09:19:36,821 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-27 09:19:36,826 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2019-11-27 09:19:36,827 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-27 09:19:36,830 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-27 09:19:36,838 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-27 09:19:36,839 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:36" (1/1) ...
[2019-11-27 09:19:36,849 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:36, skipping insertion in model container
[2019-11-27 09:19:36,850 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:36" (1/1) ...
[2019-11-27 09:19:36,868 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-27 09:19:36,913 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-11-27 09:19:37,298 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:19:37,316 INFO  L203         MainTranslator]: Completed pre-run
[2019-11-27 09:19:37,357 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-27 09:19:37,393 INFO  L208         MainTranslator]: Completed translation
[2019-11-27 09:19:37,395 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37 WrapperNode
[2019-11-27 09:19:37,395 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-27 09:19:37,396 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-27 09:19:37,398 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-27 09:19:37,398 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-27 09:19:37,423 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,539 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,574 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-27 09:19:37,575 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-27 09:19:37,578 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-27 09:19:37,578 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-27 09:19:37,598 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,598 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,602 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,602 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,614 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,616 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,622 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:37" (1/1) ...
[2019-11-27 09:19:37,627 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-27 09:19:37,633 INFO  L168              Benchmark]: Toolchain (without parser) took 806.43 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB.
[2019-11-27 09:19:37,635 INFO  L168              Benchmark]: CDTParser took 0.45 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.
[2019-11-27 09:19:37,637 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 568.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB.
[2019-11-27 09:19:37,639 INFO  L168              Benchmark]: Boogie Procedure Inliner took 178.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB.
[2019-11-27 09:19:37,640 INFO  L168              Benchmark]: Boogie Preprocessor took 52.69 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.
[2019-11-27 09:19:37,657 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.45 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 568.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 178.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB.
 * Boogie Preprocessor took 52.69 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...