./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/gcd_4.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/bitvector/gcd_4.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 9918b49e0d76e4ce36b6a6760021b33460a8ae9b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/gcd_4.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 9918b49e0d76e4ce36b6a6760021b33460a8ae9b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:38:03,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:03,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:03,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:03,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:03,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:03,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:03,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:03,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:03,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:03,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:03,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:03,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:03,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:03,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:03,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:03,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:03,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:03,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:03,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:03,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:03,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:03,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:03,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:03,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:03,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:03,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:03,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:03,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:03,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:03,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:03,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:03,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:03,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:03,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:03,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:03,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:03,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:03,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:03,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:03,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:03,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:03,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:03,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:03,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:03,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:03,788 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:03,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:03,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:03,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:03,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:03,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:03,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:03,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:03,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:03,795 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:03,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:03,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:03,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:03,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:03,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:03,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:03,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:03,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:03,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:03,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:03,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:03,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:03,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:03,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:03,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:03,803 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 -> 9918b49e0d76e4ce36b6a6760021b33460a8ae9b [2019-11-24 20:38:04,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:04,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:04,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:04,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:04,433 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:04,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_4.c [2019-11-24 20:38:04,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357b60864/683aa9e86f6a46ddb0ca478c72b8c22c/FLAG2d7cc7429 [2019-11-24 20:38:05,648 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:05,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2019-11-24 20:38:05,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357b60864/683aa9e86f6a46ddb0ca478c72b8c22c/FLAG2d7cc7429 [2019-11-24 20:38:05,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357b60864/683aa9e86f6a46ddb0ca478c72b8c22c [2019-11-24 20:38:05,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:05,716 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:05,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:05,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:05,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:05,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:05" (1/1) ... [2019-11-24 20:38:05,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:05, skipping insertion in model container [2019-11-24 20:38:05,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:05" (1/1) ... [2019-11-24 20:38:05,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:05,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:06,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:06,246 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:06,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:06,305 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:06,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06 WrapperNode [2019-11-24 20:38:06,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:06,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:06,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:06,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:06,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:06,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:06,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:06,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:06,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:06" (1/1) ... [2019-11-24 20:38:06,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:06,580 INFO L168 Benchmark]: Toolchain (without parser) took 862.40 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 991.1 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:06,584 INFO L168 Benchmark]: CDTParser took 2.35 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 20:38:06,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.85 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:06,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.1 MB in the end (delta: -35.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:06,604 INFO L168 Benchmark]: Boogie Preprocessor took 71.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:06,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.35 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 593.85 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 182.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.1 MB in the end (delta: -35.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.10 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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 0.1.24-32f2683 [2019-11-24 20:38:10,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:10,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:10,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:10,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:10,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:10,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:10,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:10,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:10,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:10,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:10,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:10,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:10,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:10,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:10,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:10,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:10,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:10,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:10,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:10,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:10,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:10,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:10,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:10,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:10,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:10,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:10,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:10,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:10,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:10,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:10,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:10,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:10,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:10,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:10,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:10,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:10,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:10,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:10,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:10,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:10,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:10,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:10,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:10,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:10,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:10,630 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:10,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:10,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:10,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:10,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:10,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:10,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:10,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:10,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:10,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:10,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:10,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:10,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:10,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:10,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:10,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:10,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:10,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:10,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:10,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:10,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:10,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:10,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:10,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:10,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:10,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:10,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:10,649 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 -> 9918b49e0d76e4ce36b6a6760021b33460a8ae9b [2019-11-24 20:38:11,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:11,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:11,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:11,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:11,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:11,248 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_4.c [2019-11-24 20:38:11,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f487187ae/0a5fac8ca2534c0fb0fcd081bef5448d/FLAGd568bc739 [2019-11-24 20:38:12,455 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:12,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2019-11-24 20:38:12,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f487187ae/0a5fac8ca2534c0fb0fcd081bef5448d/FLAGd568bc739 [2019-11-24 20:38:12,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f487187ae/0a5fac8ca2534c0fb0fcd081bef5448d [2019-11-24 20:38:12,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:12,526 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:12,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:12,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:12,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:12,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:12" (1/1) ... [2019-11-24 20:38:12,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:12, skipping insertion in model container [2019-11-24 20:38:12,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:12" (1/1) ... [2019-11-24 20:38:12,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:12,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:13,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:13,085 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:13,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:13,146 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:13,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13 WrapperNode [2019-11-24 20:38:13,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:13,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:13,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:13,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:13,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:13,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:13,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:13,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:13,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:13" (1/1) ... [2019-11-24 20:38:13,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:13,464 INFO L168 Benchmark]: Toolchain (without parser) took 932.05 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 991.2 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:38:13,469 INFO L168 Benchmark]: CDTParser took 0.48 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 20:38:13,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.53 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. [2019-11-24 20:38:13,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.87 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. [2019-11-24 20:38:13,477 INFO L168 Benchmark]: Boogie Preprocessor took 91.53 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:13,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 618.53 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 198.87 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 91.53 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...