./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/hard2.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/hard2.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 b13fe1a851fdebbbcfc83583b257c31afd52f280 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/hard2.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 b13fe1a851fdebbbcfc83583b257c31afd52f280 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:05:13,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:13,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:13,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:13,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:13,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:13,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:13,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:13,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:13,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:13,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:13,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:13,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:13,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:13,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:13,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:13,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:13,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:13,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:13,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:13,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:13,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:13,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:13,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:13,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:13,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:13,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:13,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:13,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:13,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:13,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:13,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:13,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:13,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:13,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:13,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:13,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:13,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:13,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:13,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:13,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:13,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:13,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:13,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:13,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:13,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:13,967 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:13,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:13,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:13,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:13,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:13,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:13,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:13,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:13,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:13,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:13,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:13,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:13,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:13,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:13,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:13,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:13,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:13,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:13,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:13,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:13,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:13,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:13,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:13,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:13,981 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 -> b13fe1a851fdebbbcfc83583b257c31afd52f280 [2019-11-26 17:05:14,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:14,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:14,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:14,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:14,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:14,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard2.c [2019-11-26 17:05:14,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea9ea67d/7bdc5163ce374a1cab050834a3681e9b/FLAG221f3ecbb [2019-11-26 17:05:15,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:15,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c [2019-11-26 17:05:15,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea9ea67d/7bdc5163ce374a1cab050834a3681e9b/FLAG221f3ecbb [2019-11-26 17:05:15,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea9ea67d/7bdc5163ce374a1cab050834a3681e9b [2019-11-26 17:05:15,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:15,813 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:15,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:15,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:15,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:15,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:15,837 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 17:05:15,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:15" (1/1) ... [2019-11-26 17:05:15,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:15,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:16,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,383 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:16,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:16,486 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:16,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16 WrapperNode [2019-11-26 17:05:16,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:16,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:16,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:16,520 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 17:05:16,536 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 17:05:16,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:16,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:16,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:16,708 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 17:05:16,708 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 17:05:16,719 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 17:05:16,720 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 17:05:16,740 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 17:05:16,755 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 17:05:16,759 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 17:05:16,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:16,780 INFO L168 Benchmark]: Toolchain (without parser) took 957.14 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: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:16,784 INFO L168 Benchmark]: CDTParser took 0.29 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 17:05:16,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:16,798 INFO L168 Benchmark]: Boogie Preprocessor took 71.74 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 17:05:16,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 678.56 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 196.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.74 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 17:05:20,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:20,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:20,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:20,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:20,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:20,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:20,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:20,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:20,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:20,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:20,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:20,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:20,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:20,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:20,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:20,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:20,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:20,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:20,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:20,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:20,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:20,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:20,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:20,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:20,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:20,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:20,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:20,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:20,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:20,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:20,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:20,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:20,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:20,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:20,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:20,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:20,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:20,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:20,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:20,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:20,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:20,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:20,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:20,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:20,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:20,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:20,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:20,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:20,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:20,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:20,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:20,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:20,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:20,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:20,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:20,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:20,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:20,885 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:20,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:20,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:20,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:20,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:20,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:20,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:20,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:20,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:20,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:20,891 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:20,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:20,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:20,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:20,895 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 -> b13fe1a851fdebbbcfc83583b257c31afd52f280 [2019-11-26 17:05:21,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:21,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:21,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:21,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:21,570 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:21,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard2.c [2019-11-26 17:05:21,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a641e6aa8/ee51c10ba1a54b00a7df7ad7c17ed8b8/FLAGb02c46dd7 [2019-11-26 17:05:22,699 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:22,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard2.c [2019-11-26 17:05:22,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a641e6aa8/ee51c10ba1a54b00a7df7ad7c17ed8b8/FLAGb02c46dd7 [2019-11-26 17:05:22,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a641e6aa8/ee51c10ba1a54b00a7df7ad7c17ed8b8 [2019-11-26 17:05:22,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:22,908 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:22,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:22,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:22,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:22,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:22" (1/1) ... [2019-11-26 17:05:22,928 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 26.11 05:05:22, skipping insertion in model container [2019-11-26 17:05:22,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:22" (1/1) ... [2019-11-26 17:05:22,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:23,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:23,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:23,492 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:23,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:23,591 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:23,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:23 WrapperNode [2019-11-26 17:05:23,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:23,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:23,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:23,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:23,617 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 17:05:23,628 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 17:05:23,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:23,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:23,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:23,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:23,794 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 17:05:23,798 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 17:05:23,802 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 17:05:23,805 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 17:05:23,822 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 17:05:23,834 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 17:05:23,844 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 17:05:23,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:23,858 INFO L168 Benchmark]: Toolchain (without parser) took 946.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 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 17:05:23,859 INFO L168 Benchmark]: CDTParser took 1.04 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 17:05:23,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 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 17:05:23,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.90 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:23,867 INFO L168 Benchmark]: Boogie Preprocessor took 79.35 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-26 17:05:23,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 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 682.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 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 178.90 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.35 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...