./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/ps6.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 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/ps6.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 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:11:38,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:38,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:38,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:38,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:38,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:38,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:38,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:38,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:38,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:38,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:38,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:38,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:38,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:38,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:38,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:38,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:38,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:38,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:38,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:38,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:38,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:38,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:38,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:38,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:38,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:38,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:38,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:38,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:38,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:38,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:38,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:38,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:38,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:38,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:38,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:38,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:38,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:38,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:38,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:38,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:38,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:11:38,680 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:38,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:38,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:38,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:38,686 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:38,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:38,687 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:38,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:11:38,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:38,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:38,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:38,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:38,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:38,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:38,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:38,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:38,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:38,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:38,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:38,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:38,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:38,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:38,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:38,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:38,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:38,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:38,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:11:38,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:11:38,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:38,696 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 -> 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd [2019-11-24 21:11:39,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:39,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:39,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:39,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:39,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:39,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2019-11-24 21:11:39,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7ed512e/44210ad2c6f4421090d672209404a377/FLAG963e06204 [2019-11-24 21:11:40,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:40,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2019-11-24 21:11:40,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7ed512e/44210ad2c6f4421090d672209404a377/FLAG963e06204 [2019-11-24 21:11:40,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7ed512e/44210ad2c6f4421090d672209404a377 [2019-11-24 21:11:40,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:40,352 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:40,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:40,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:40,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:40,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4e8b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40, skipping insertion in model container [2019-11-24 21:11:40,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:40,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:40,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:40,704 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:40,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:40,754 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:40,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40 WrapperNode [2019-11-24 21:11:40,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:40,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:40,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:40,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:40,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:40,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:40,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:40,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:40,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:40" (1/1) ... [2019-11-24 21:11:40,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:40,953 INFO L168 Benchmark]: Toolchain (without parser) took 581.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:40,955 INFO L168 Benchmark]: CDTParser took 2.54 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:40,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.35 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:40,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:40,964 INFO L168 Benchmark]: Boogie Preprocessor took 38.37 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. [2019-11-24 21:11:40,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.54 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 399.35 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.37 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 0.1.24-32f2683 [2019-11-24 21:11:43,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:43,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:43,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:43,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:43,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:43,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:43,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:43,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:43,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:43,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:43,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:43,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:43,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:43,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:43,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:43,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:43,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:43,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:43,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:43,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:43,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:43,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:43,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:43,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:43,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:43,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:43,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:43,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:43,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:43,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:43,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:43,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:43,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:43,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:43,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:43,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:43,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:43,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:43,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:43,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:43,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:43,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:43,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:43,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:43,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:43,814 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:43,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:43,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:43,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:43,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:43,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:43,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:43,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:43,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:43,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:43,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:43,820 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:43,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:43,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:43,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:43,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:43,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:43,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:43,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:43,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:43,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:43,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:43,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:43,825 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:43,825 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:43,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:43,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:43,827 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 -> 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd [2019-11-24 21:11:44,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:44,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:44,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:44,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:44,353 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:44,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2019-11-24 21:11:44,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00faf7a1/88c2b619aed54dccb29e0837f0b866fa/FLAGe72571215 [2019-11-24 21:11:45,178 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:45,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2019-11-24 21:11:45,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00faf7a1/88c2b619aed54dccb29e0837f0b866fa/FLAGe72571215 [2019-11-24 21:11:45,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00faf7a1/88c2b619aed54dccb29e0837f0b866fa [2019-11-24 21:11:45,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:45,511 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:45,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:45,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:45,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:45,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:45" (1/1) ... [2019-11-24 21:11:45,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435202c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:45, skipping insertion in model container [2019-11-24 21:11:45,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:45" (1/1) ... [2019-11-24 21:11:45,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:45,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:45,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:45,873 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:45,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:46,010 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:46,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46 WrapperNode [2019-11-24 21:11:46,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:46,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:46,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:46,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:46,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:46,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:46,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:46,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:46,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:46" (1/1) ... [2019-11-24 21:11:46,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:46,108 INFO L168 Benchmark]: Toolchain (without parser) took 593.86 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 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:46,110 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:46,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 995.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:46,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.91 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:46,113 INFO L168 Benchmark]: Boogie Preprocessor took 46.46 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:46,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 497.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 995.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 43.91 ms. Allocated memory is still 1.0 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.46 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.9 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...