./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/nla-digbench/egcd3.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 f8f788a77a07a10f98890028e25d9e783c26aa93 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/egcd3.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 f8f788a77a07a10f98890028e25d9e783c26aa93 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:57:43,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:43,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:43,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:43,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:43,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:43,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:43,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:43,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:43,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:43,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:43,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:43,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:43,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:43,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:43,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:43,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:43,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:43,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:44,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:44,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:44,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:44,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:44,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:44,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:44,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:44,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:44,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:44,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:44,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:44,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:44,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:44,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:44,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:44,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:44,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:44,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:44,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:44,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:44,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:44,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:44,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:44,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:44,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:44,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:44,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:44,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:44,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:44,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:44,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:44,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:44,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:44,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:44,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:44,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:44,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:44,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:44,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:44,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:44,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:44,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:44,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:44,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:44,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:44,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:44,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:44,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:44,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:44,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:44,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:44,134 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 -> f8f788a77a07a10f98890028e25d9e783c26aa93 [2019-11-25 22:57:44,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:44,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:44,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:44,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:44,740 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:44,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd3.c [2019-11-25 22:57:44,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5c55fba/55cccfe393ee4e8b9c84c7e1bb6caf3b/FLAGa4567e565 [2019-11-25 22:57:45,975 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:45,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd3.c [2019-11-25 22:57:45,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5c55fba/55cccfe393ee4e8b9c84c7e1bb6caf3b/FLAGa4567e565 [2019-11-25 22:57:46,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b5c55fba/55cccfe393ee4e8b9c84c7e1bb6caf3b [2019-11-25 22:57:46,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:46,050 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:46,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:46,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:46,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:46,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46, skipping insertion in model container [2019-11-25 22:57:46,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:46,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:46,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:46,612 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:46,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:46,842 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:46,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46 WrapperNode [2019-11-25 22:57:46,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:46,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:46,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:46,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:46,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:46,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:46,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:46,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:46,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:47,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:47,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:47,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:47,030 INFO L168 Benchmark]: Toolchain (without parser) took 968.88 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:47,039 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-25 22:57:47,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:47,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:47,048 INFO L168 Benchmark]: Boogie Preprocessor took 65.38 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:47,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 794.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.38 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 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 0.1.24-65d6cd2 [2019-11-25 22:57:50,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:50,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:50,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:50,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:50,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:51,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:51,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:51,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:51,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:51,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:51,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:51,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:51,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:51,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:51,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:51,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:51,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:51,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:51,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:51,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:51,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:51,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:51,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:51,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:51,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:51,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:51,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:51,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:51,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:51,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:51,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:51,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:51,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:51,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:51,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:51,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:51,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:51,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:51,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:51,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:51,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:51,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:51,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:51,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:51,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:51,192 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:51,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:51,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:51,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:51,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:51,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:51,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:51,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:51,200 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:51,200 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:51,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:51,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:51,201 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:51,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:51,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:51,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:51,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:51,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:51,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:51,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:51,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:51,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:51,208 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:51,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:51,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:51,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:51,211 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 -> f8f788a77a07a10f98890028e25d9e783c26aa93 [2019-11-25 22:57:51,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:51,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:51,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:51,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:51,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:51,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd3.c [2019-11-25 22:57:51,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b8c1395a/ce7e935fce7e46ae87b06b228a063a9a/FLAG172c60d44 [2019-11-25 22:57:53,090 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:53,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd3.c [2019-11-25 22:57:53,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b8c1395a/ce7e935fce7e46ae87b06b228a063a9a/FLAG172c60d44 [2019-11-25 22:57:53,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b8c1395a/ce7e935fce7e46ae87b06b228a063a9a [2019-11-25 22:57:53,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:53,270 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:53,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:53,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:53,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:53,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:53" (1/1) ... [2019-11-25 22:57:53,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717ede78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:53, skipping insertion in model container [2019-11-25 22:57:53,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:53" (1/1) ... [2019-11-25 22:57:53,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:53,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:53,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:53,831 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:53,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:54,039 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:54,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54 WrapperNode [2019-11-25 22:57:54,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:54,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:54,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:54,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:54,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:54,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:54,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:54,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:54,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:54,223 INFO L168 Benchmark]: Toolchain (without parser) took 950.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.4 MB in the end (delta: -32.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:54,225 INFO L168 Benchmark]: CDTParser took 1.10 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. [2019-11-25 22:57:54,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.4 MB in the end (delta: -32.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:54,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:54,230 INFO L168 Benchmark]: Boogie Preprocessor took 68.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:54,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 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 765.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.4 MB in the end (delta: -32.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.35 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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...