./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/cohencu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohencu.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 8c7e030372f64e252dd593d1c6705e518ab2cc77 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/cohencu.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 8c7e030372f64e252dd593d1c6705e518ab2cc77 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:42,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:42,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:42,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:42,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:42,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:42,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:42,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:42,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:42,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:42,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:42,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:42,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:42,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:42,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:42,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:42,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:42,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:42,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:42,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:42,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:42,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:42,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:42,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:42,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:42,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:42,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:42,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:42,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:42,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:42,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:42,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:42,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:42,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:42,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:42,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:42,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:42,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:42,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:42,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:42,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:42,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:42,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:42,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:42,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:42,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:42,765 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:42,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:42,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:42,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:42,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:42,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:42,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:42,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:42,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:42,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:42,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:42,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:42,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:42,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:42,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:42,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:42,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:42,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:42,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:42,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:42,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:42,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:42,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:42,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:42,780 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 -> 8c7e030372f64e252dd593d1c6705e518ab2cc77 [2019-11-27 09:52:43,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:43,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:43,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:43,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:43,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:43,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 09:52:43,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c762328/f89d957c742547c69fb7e706a5b58b51/FLAG5770cfca8 [2019-11-27 09:52:44,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:44,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 09:52:44,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c762328/f89d957c742547c69fb7e706a5b58b51/FLAG5770cfca8 [2019-11-27 09:52:44,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c762328/f89d957c742547c69fb7e706a5b58b51 [2019-11-27 09:52:44,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:44,664 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:44,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:44,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:44,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:44,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:44" (1/1) ... [2019-11-27 09:52:44,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143e0c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:44, skipping insertion in model container [2019-11-27 09:52:44,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:44" (1/1) ... [2019-11-27 09:52:44,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:44,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:45,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:45,193 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:45,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:45,418 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:45,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45 WrapperNode [2019-11-27 09:52:45,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:45,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:45,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:45,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:45,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:45,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:45,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:45,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:45,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:45,605 INFO L168 Benchmark]: Toolchain (without parser) took 923.10 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. [2019-11-27 09:52:45,607 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:45,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.54 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 995.7 MB in the end (delta: -34.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:45,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.20 ms. Allocated memory is still 1.0 GB. Free memory was 995.7 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. [2019-11-27 09:52:45,618 INFO L168 Benchmark]: Boogie Preprocessor took 74.06 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:45,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 752.54 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 995.7 MB in the end (delta: -34.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 90.20 ms. Allocated memory is still 1.0 GB. Free memory was 995.7 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. * Boogie Preprocessor took 74.06 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:49,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:49,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:49,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:49,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:49,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:49,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:49,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:49,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:49,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:49,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:49,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:49,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:49,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:49,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:49,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:49,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:49,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:49,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:49,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:49,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:49,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:49,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:49,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:49,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:49,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:49,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:49,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:49,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:49,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:49,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:49,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:49,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:49,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:49,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:49,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:49,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:49,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:49,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:49,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:49,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:49,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:49,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:49,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:49,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:49,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:49,655 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:49,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:49,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:49,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:49,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:49,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:49,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:49,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:49,661 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:49,661 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:49,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:49,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:49,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:49,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:49,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:49,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:49,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:49,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:49,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:49,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:49,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:49,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:49,669 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:49,669 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:49,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:49,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:49,671 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 -> 8c7e030372f64e252dd593d1c6705e518ab2cc77 [2019-11-27 09:52:50,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:50,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:50,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:50,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:50,313 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:50,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 09:52:50,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc8b437d/6ab76ac2ffdd43a9877d76d5248b9e37/FLAGbaba7e231 [2019-11-27 09:52:51,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:51,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 09:52:51,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc8b437d/6ab76ac2ffdd43a9877d76d5248b9e37/FLAGbaba7e231 [2019-11-27 09:52:51,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc8b437d/6ab76ac2ffdd43a9877d76d5248b9e37 [2019-11-27 09:52:51,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:51,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:51,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:51,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:51,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:51,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fae4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:51, skipping insertion in model container [2019-11-27 09:52:51,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:51" (1/1) ... [2019-11-27 09:52:51,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:51,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:52,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:52,155 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:52,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:52,327 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:52,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52 WrapperNode [2019-11-27 09:52:52,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:52,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:52,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:52,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:52,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:52,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:52,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:52,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:52,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:52" (1/1) ... [2019-11-27 09:52:52,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:52,526 INFO L168 Benchmark]: Toolchain (without parser) took 922.18 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 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:52,530 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:52,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.88 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 991.3 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:52,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.81 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. [2019-11-27 09:52:52,538 INFO L168 Benchmark]: Boogie Preprocessor took 64.43 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. [2019-11-27 09:52:52,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 749.88 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 991.3 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.81 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. * Boogie Preprocessor took 64.43 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...