./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/hard.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/hard.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 e0f1c45558152fd199606f2551fe8da5ad92b45c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/hard.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 e0f1c45558152fd199606f2551fe8da5ad92b45c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:13,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:13,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:13,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:13,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:13,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:13,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:13,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:13,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:13,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:13,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:13,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:13,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:13,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:13,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:13,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:13,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:13,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:13,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:13,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:13,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:13,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:13,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:13,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:13,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:13,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:13,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:13,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:13,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:13,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:13,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:13,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:13,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:13,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:13,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:13,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:13,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:13,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:13,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:13,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:13,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:13,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:13,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:13,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:13,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:13,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:13,874 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:13,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:13,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:13,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:13,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:13,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:13,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:13,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:13,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:13,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:13,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:13,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:13,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:13,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:13,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:13,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:13,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:13,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:13,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:13,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:13,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:13,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:13,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:13,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:13,886 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 -> e0f1c45558152fd199606f2551fe8da5ad92b45c [2019-11-26 17:05:14,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:14,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:14,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:14,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:14,607 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:14,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard.c [2019-11-26 17:05:14,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f21535d9/cfd00cea264b4f838509a21fa399f22f/FLAG9066b3578 [2019-11-26 17:05:15,806 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:15,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard.c [2019-11-26 17:05:15,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f21535d9/cfd00cea264b4f838509a21fa399f22f/FLAG9066b3578 [2019-11-26 17:05:15,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f21535d9/cfd00cea264b4f838509a21fa399f22f [2019-11-26 17:05:15,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:15,866 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:15,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:15,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:15,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:15,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:15,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:15, skipping insertion in model container [2019-11-26 17:05:15,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:15,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:15,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:16,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,380 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:16,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,451 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:16,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16 WrapperNode [2019-11-26 17:05:16,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:16,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:16,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:16,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:16,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:16,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,684 INFO L168 Benchmark]: Toolchain (without parser) took 809.28 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. [2019-11-26 17:05:16,686 INFO L168 Benchmark]: CDTParser took 1.44 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. [2019-11-26 17:05:16,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.26 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. [2019-11-26 17:05:16,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,693 INFO L168 Benchmark]: Boogie Preprocessor took 58.37 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. [2019-11-26 17:05:16,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 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 587.26 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 154.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.37 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 0.1.24-025d5a2 [2019-11-26 17:05:20,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:20,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:20,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:20,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:20,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:20,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:20,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:20,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:20,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:20,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:20,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:20,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:20,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:20,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:20,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:20,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:20,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:20,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:20,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:20,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:20,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:20,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:20,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:20,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:20,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:20,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:20,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:20,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:20,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:20,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:20,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:20,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:20,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:20,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:20,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:20,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:20,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:20,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:20,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:20,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:20,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:20,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:20,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:20,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:20,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:20,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:20,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:20,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:20,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:20,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:20,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:20,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:20,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:20,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:20,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:20,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:20,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:20,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:20,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:20,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:20,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:20,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:20,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:20,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:20,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:20,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:20,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:20,721 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:20,721 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:20,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:20,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:20,724 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 -> e0f1c45558152fd199606f2551fe8da5ad92b45c [2019-11-26 17:05:21,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:21,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:21,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:21,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:21,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:21,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard.c [2019-11-26 17:05:21,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/488c7ed2c/5bf74eb9b1194182ade22d4b4ce64c0b/FLAGd5a437195 [2019-11-26 17:05:22,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:22,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard.c [2019-11-26 17:05:22,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/488c7ed2c/5bf74eb9b1194182ade22d4b4ce64c0b/FLAGd5a437195 [2019-11-26 17:05:22,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/488c7ed2c/5bf74eb9b1194182ade22d4b4ce64c0b [2019-11-26 17:05:22,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:22,642 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:22,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:22,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:22,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:22,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:22" (1/1) ... [2019-11-26 17:05:22,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab76006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:22, skipping insertion in model container [2019-11-26 17:05:22,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:22" (1/1) ... [2019-11-26 17:05:22,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:22,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:23,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:23,157 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:23,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:23,245 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:23,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23 WrapperNode [2019-11-26 17:05:23,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:23,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:23,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:23,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:23,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:23,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:23,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:23,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:23,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23" (1/1) ... [2019-11-26 17:05:23,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:23,536 INFO L168 Benchmark]: Toolchain (without parser) took 891.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:23,547 INFO L168 Benchmark]: CDTParser took 2.61 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. [2019-11-26 17:05:23,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.22 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. [2019-11-26 17:05:23,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:23,556 INFO L168 Benchmark]: Boogie Preprocessor took 80.74 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. [2019-11-26 17:05:23,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61 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 600.22 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 195.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.74 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...