./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd.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/nla-digbench/egcd.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 7eaf1ca2ea11910221bd028b73ef4e065d85e3bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/egcd.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 7eaf1ca2ea11910221bd028b73ef4e065d85e3bb .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:52:43,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:43,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:43,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:43,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:43,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:43,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:43,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:43,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:43,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:43,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:43,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:43,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:43,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:43,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:43,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:43,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:43,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:43,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:43,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:43,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:43,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:43,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:43,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:43,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:43,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:43,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:43,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:43,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:43,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:43,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:43,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:43,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:43,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:43,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:43,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:43,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:43,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:43,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:43,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:43,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:43,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:43,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:43,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:43,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:43,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:43,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:43,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:43,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:43,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:43,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:43,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:43,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:43,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:43,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:43,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:43,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:43,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:43,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:43,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:43,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:43,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:43,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:43,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:43,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:43,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:43,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:43,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:43,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:43,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:43,944 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 -> 7eaf1ca2ea11910221bd028b73ef4e065d85e3bb [2019-11-27 09:52:44,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:44,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:44,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:44,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:44,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:44,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd.c [2019-11-27 09:52:44,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d01f1b8/8c86f652dad2457fa3dff0c3284aa122/FLAG7502400e1 [2019-11-27 09:52:45,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:45,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd.c [2019-11-27 09:52:45,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d01f1b8/8c86f652dad2457fa3dff0c3284aa122/FLAG7502400e1 [2019-11-27 09:52:45,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d01f1b8/8c86f652dad2457fa3dff0c3284aa122 [2019-11-27 09:52:45,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:45,540 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:45,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:45,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:45,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:45,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45, skipping insertion in model container [2019-11-27 09:52:45,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:45,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:45,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:45,944 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:45,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:46,015 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:46,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46 WrapperNode [2019-11-27 09:52:46,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:46,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:46,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:46,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:46,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:46,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:46,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:46,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:46,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:46,209 INFO L168 Benchmark]: Toolchain (without parser) took 666.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.6 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:46,225 INFO L168 Benchmark]: CDTParser took 0.23 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 09:52:46,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.3 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,228 INFO L168 Benchmark]: Boogie Preprocessor took 50.17 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 472.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 991.3 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.17 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 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 09:52:48,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:48,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:48,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:48,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:48,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:48,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:48,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:48,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:48,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:48,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:48,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:48,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:48,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:48,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:48,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:48,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:48,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:48,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:48,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:49,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:49,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:49,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:49,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:49,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:49,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:49,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:49,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:49,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:49,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:49,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:49,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:49,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:49,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:49,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:49,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:49,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:49,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:49,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:49,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:49,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:49,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:49,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:49,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:49,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:49,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:49,074 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:49,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:49,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:49,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:49,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:49,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:49,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:49,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:49,079 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:49,079 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:49,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:49,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:49,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:49,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:49,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:49,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:49,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:49,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:49,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:49,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:49,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:49,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:49,084 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:49,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:49,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:49,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:49,089 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 -> 7eaf1ca2ea11910221bd028b73ef4e065d85e3bb [2019-11-27 09:52:49,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:49,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:49,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:49,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:49,573 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:49,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd.c [2019-11-27 09:52:49,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ab220e4/cc114761fa6c4e5a93282d03413d5cdc/FLAGe4f795e00 [2019-11-27 09:52:50,405 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:50,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd.c [2019-11-27 09:52:50,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ab220e4/cc114761fa6c4e5a93282d03413d5cdc/FLAGe4f795e00 [2019-11-27 09:52:50,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ab220e4/cc114761fa6c4e5a93282d03413d5cdc [2019-11-27 09:52:50,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:50,737 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:50,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:50,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:50,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:50,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:50" (1/1) ... [2019-11-27 09:52:50,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:50, skipping insertion in model container [2019-11-27 09:52:50,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:50" (1/1) ... [2019-11-27 09:52:50,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:50,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:51,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:51,161 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:51,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:51,294 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:51,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51 WrapperNode [2019-11-27 09:52:51,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:51,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:51,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:51,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:51,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:51,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:51,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:51,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:51,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:51,413 INFO L168 Benchmark]: Toolchain (without parser) took 669.07 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 985.7 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:51,415 INFO L168 Benchmark]: CDTParser took 3.57 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. [2019-11-27 09:52:51,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.80 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 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:51,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.41 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. [2019-11-27 09:52:51,418 INFO L168 Benchmark]: Boogie Preprocessor took 50.00 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:51,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.57 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 561.80 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 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 49.41 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 50.00 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 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...