./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm1.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/nla-digbench/lcm1.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 093505ea38d3426fa2a6ad5ac83682ac8063eb8d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/lcm1.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 093505ea38d3426fa2a6ad5ac83682ac8063eb8d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:11:32,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:32,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:32,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:32,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:32,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:32,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:32,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:32,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:32,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:32,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:32,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:32,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:32,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:32,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:32,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:32,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:32,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:32,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:32,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:32,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:32,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:33,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:33,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:33,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:33,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:33,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:33,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:33,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:33,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:33,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:33,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:33,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:33,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:33,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:33,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:33,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:33,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:33,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:33,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:33,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:33,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:11:33,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:33,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:33,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:33,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:33,102 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:33,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:33,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:33,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:11:33,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:33,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:33,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:33,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:33,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:33,109 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:33,109 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:33,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:33,111 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:33,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:33,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:33,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:33,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:33,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:33,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:33,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:33,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:33,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:33,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:11:33,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:11:33,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:33,118 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 -> 093505ea38d3426fa2a6ad5ac83682ac8063eb8d [2019-11-24 21:11:33,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:33,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:33,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:33,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:33,736 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:33,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-24 21:11:33,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c21b59394/4ae50946dc0840bb878f3666ba30bbe2/FLAGf706c4c15 [2019-11-24 21:11:34,871 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:34,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-24 21:11:34,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c21b59394/4ae50946dc0840bb878f3666ba30bbe2/FLAGf706c4c15 [2019-11-24 21:11:35,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c21b59394/4ae50946dc0840bb878f3666ba30bbe2 [2019-11-24 21:11:35,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:35,080 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:35,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:35,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:35,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:35,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35, skipping insertion in model container [2019-11-24 21:11:35,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:35,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:35,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:35,559 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:35,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:35,642 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:35,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35 WrapperNode [2019-11-24 21:11:35,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:35,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:35,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:35,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:35,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:35,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:35,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:35,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:35,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:35" (1/1) ... [2019-11-24 21:11:35,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:35,899 INFO L168 Benchmark]: Toolchain (without parser) took 803.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.3 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:35,904 INFO L168 Benchmark]: CDTParser took 4.12 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 21:11:35,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:35,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 991.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:35,913 INFO L168 Benchmark]: Boogie Preprocessor took 60.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:35,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.12 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 565.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 161.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 991.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 21:11:39,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:39,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:39,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:39,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:39,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:39,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:39,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:39,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:39,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:39,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:39,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:39,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:39,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:39,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:39,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:39,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:39,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:39,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:39,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:39,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:40,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:40,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:40,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:40,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:40,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:40,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:40,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:40,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:40,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:40,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:40,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:40,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:40,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:40,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:40,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:40,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:40,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:40,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:40,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:40,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:40,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:40,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:40,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:40,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:40,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:40,115 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:40,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:40,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:40,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:40,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:40,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:40,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:40,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:40,125 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:40,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:40,127 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:40,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:40,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:40,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:40,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:40,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:40,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:40,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:40,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:40,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:40,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:40,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:40,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:40,136 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:40,137 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:40,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:40,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:40,143 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 -> 093505ea38d3426fa2a6ad5ac83682ac8063eb8d [2019-11-24 21:11:40,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:40,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:40,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:40,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:40,728 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:40,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-24 21:11:40,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7081be3a/8830e3f511894ec1a72c35cbd63f5c7d/FLAG893f1cb89 [2019-11-24 21:11:41,872 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:41,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/lcm1.c [2019-11-24 21:11:41,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7081be3a/8830e3f511894ec1a72c35cbd63f5c7d/FLAG893f1cb89 [2019-11-24 21:11:42,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7081be3a/8830e3f511894ec1a72c35cbd63f5c7d [2019-11-24 21:11:42,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:42,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:42,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:42,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:42,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:42,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9c6a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42, skipping insertion in model container [2019-11-24 21:11:42,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:42,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:42,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:42,575 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:42,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:42,686 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:42,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42 WrapperNode [2019-11-24 21:11:42,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:42,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:42,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:42,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:42,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:42,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:42,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:42,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:42,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:42" (1/1) ... [2019-11-24 21:11:42,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:42,910 INFO L168 Benchmark]: Toolchain (without parser) took 862.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:42,911 INFO L168 Benchmark]: CDTParser took 0.25 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 21:11:42,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.56 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:42,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:42,917 INFO L168 Benchmark]: Boogie Preprocessor took 63.97 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. [2019-11-24 21:11:42,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 637.56 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 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 144.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.97 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...