./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm2.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/lcm2.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 9d162b857a109cf07f49ff5c5c478da80317c448 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/lcm2.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 9d162b857a109cf07f49ff5c5c478da80317c448 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:52:50,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:50,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:50,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:50,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:50,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:50,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:50,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:50,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:50,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:50,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:50,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:50,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:50,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:50,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:50,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:50,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:50,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:50,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:50,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:50,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:50,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:50,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:50,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:50,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:50,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:50,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:50,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:50,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:50,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:50,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:50,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:50,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:50,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:50,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:50,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:50,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:50,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:50,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:50,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:50,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:50,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:50,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:50,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:50,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:50,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:50,812 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:50,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:50,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:50,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:50,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:50,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:50,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:50,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:50,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:50,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:50,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:50,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:50,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:50,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:50,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:50,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:50,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:50,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:50,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:50,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:50,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:50,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:50,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:50,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:50,827 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 -> 9d162b857a109cf07f49ff5c5c478da80317c448 [2019-11-27 09:52:51,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:51,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:51,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:51,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:51,517 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:51,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/lcm2.c [2019-11-27 09:52:51,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/709c67999/a17467aeeac543398d80c98224f421dd/FLAG7234aafab [2019-11-27 09:52:52,701 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:52,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/lcm2.c [2019-11-27 09:52:52,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/709c67999/a17467aeeac543398d80c98224f421dd/FLAG7234aafab [2019-11-27 09:52:52,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/709c67999/a17467aeeac543398d80c98224f421dd [2019-11-27 09:52:52,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:52,769 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:52,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:52,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:52,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:52,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52, skipping insertion in model container [2019-11-27 09:52:52,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:52,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:53,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:53,252 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:53,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:53,318 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:53,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53 WrapperNode [2019-11-27 09:52:53,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:53,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:53,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:53,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:53,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:53,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:53,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:53,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:53,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:53" (1/1) ... [2019-11-27 09:52:53,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:53,566 INFO L168 Benchmark]: Toolchain (without parser) took 788.21 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:53,570 INFO L168 Benchmark]: CDTParser took 0.33 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 09:52:53,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:53,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:53,586 INFO L168 Benchmark]: Boogie Preprocessor took 77.01 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:53,602 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 551.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 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 150.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.01 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:57,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:57,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:57,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:57,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:57,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:57,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:57,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:57,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:57,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:57,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:57,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:57,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:57,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:57,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:57,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:57,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:57,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:57,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:57,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:57,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:57,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:57,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:57,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:57,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:57,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:57,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:57,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:57,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:57,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:57,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:57,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:57,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:57,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:57,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:57,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:57,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:57,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:57,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:57,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:57,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:57,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:57,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:57,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:57,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:57,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:57,786 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:57,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:57,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:57,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:57,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:57,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:57,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:57,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:57,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:57,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:57,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:57,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:57,794 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:57,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:57,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:57,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:57,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:57,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:57,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:57,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:57,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:57,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:57,799 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:57,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:57,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:57,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:57,802 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 -> 9d162b857a109cf07f49ff5c5c478da80317c448 [2019-11-27 09:52:58,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:58,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:58,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:58,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:58,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:58,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/lcm2.c [2019-11-27 09:52:58,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cf7c948/eb287e4e622144968c2bf088acc3be00/FLAGd97fc0236 [2019-11-27 09:52:59,530 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:59,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/lcm2.c [2019-11-27 09:52:59,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cf7c948/eb287e4e622144968c2bf088acc3be00/FLAGd97fc0236 [2019-11-27 09:52:59,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cf7c948/eb287e4e622144968c2bf088acc3be00 [2019-11-27 09:52:59,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:59,806 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:59,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:59,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:59,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:59,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:59" (1/1) ... [2019-11-27 09:52:59,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:59, skipping insertion in model container [2019-11-27 09:52:59,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:59" (1/1) ... [2019-11-27 09:52:59,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:59,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:53:00,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:53:00,367 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:53:00,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:53:00,462 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:53:00,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00 WrapperNode [2019-11-27 09:53:00,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:53:00,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:53:00,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:53:00,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:53:00,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:53:00,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:53:00,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:53:00,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:53:00,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:53:00" (1/1) ... [2019-11-27 09:53:00,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:53:00,749 INFO L168 Benchmark]: Toolchain (without parser) took 940.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:53:00,752 INFO L168 Benchmark]: CDTParser took 0.40 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 09:53:00,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.15 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:00,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:00,765 INFO L168 Benchmark]: Boogie Preprocessor took 91.57 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:53:00,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 657.15 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.57 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...