./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/count_up_down-2.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/loops/count_up_down-2.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 d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops/count_up_down-2.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 d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:35,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:35,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:35,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:35,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:35,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:35,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:35,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:35,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:35,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:35,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:35,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:35,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:35,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:35,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:35,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:35,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:35,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:35,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:35,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:35,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:35,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:35,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:35,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:35,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:35,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:35,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:35,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:35,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:35,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:35,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:35,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:35,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:35,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:35,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:35,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:35,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:35,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:35,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:35,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:35,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:35,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:35,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:35,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:35,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:35,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:35,772 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:35,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:35,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:35,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:35,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:35,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:35,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:35,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:35,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:35,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:35,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:35,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:35,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:35,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:35,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:35,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:35,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:35,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:35,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:35,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:35,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:35,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:35,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:35,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:35,789 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 -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2019-11-27 09:50:36,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:36,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:36,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:36,451 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:36,451 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:36,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 09:50:36,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f5b8322/e2f8362c03cb4682a9f2bec7cadd771c/FLAG38a724d83 [2019-11-27 09:50:37,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:37,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 09:50:37,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f5b8322/e2f8362c03cb4682a9f2bec7cadd771c/FLAG38a724d83 [2019-11-27 09:50:37,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f5b8322/e2f8362c03cb4682a9f2bec7cadd771c [2019-11-27 09:50:37,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:37,753 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:37,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:37,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:37,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:37,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:37, skipping insertion in model container [2019-11-27 09:50:37,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:37" (1/1) ... [2019-11-27 09:50:37,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:37,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:38,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:38,190 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:38,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:38,237 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:38,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38 WrapperNode [2019-11-27 09:50:38,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:38,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:38,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:38,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:38,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:38,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:38,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:38,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:38,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:38" (1/1) ... [2019-11-27 09:50:38,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:38,450 INFO L168 Benchmark]: Toolchain (without parser) took 678.06 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 996.8 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:38,452 INFO L168 Benchmark]: CDTParser took 1.96 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 09:50:38,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.17 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:38,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:38,462 INFO L168 Benchmark]: Boogie Preprocessor took 36.43 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:38,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96 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 485.17 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 150.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 36.43 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 09:50:42,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:42,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:42,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:42,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:42,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:42,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:42,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:42,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:42,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:42,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:42,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:42,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:42,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:42,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:42,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:42,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:42,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:42,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:42,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:42,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:42,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:42,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:42,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:42,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:42,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:42,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:42,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:42,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:42,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:42,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:42,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:42,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:42,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:42,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:42,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:42,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:42,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:42,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:42,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:42,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:42,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:42,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:42,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:42,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:42,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:42,616 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:42,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:42,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:42,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:42,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:42,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:42,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:42,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:42,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:42,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:42,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:42,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:42,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:42,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:42,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:42,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:42,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:42,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:42,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:42,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:42,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:42,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:42,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:42,632 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:42,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:42,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:42,635 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 -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2019-11-27 09:50:43,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:43,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:43,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:43,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:43,220 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:43,221 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 09:50:43,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d9376cef/400a3c6442ca40d4b06caad2080a5f2d/FLAGca2e93af8 [2019-11-27 09:50:44,418 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:44,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 09:50:44,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d9376cef/400a3c6442ca40d4b06caad2080a5f2d/FLAGca2e93af8 [2019-11-27 09:50:44,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d9376cef/400a3c6442ca40d4b06caad2080a5f2d [2019-11-27 09:50:44,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:44,484 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:44,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:44,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:44,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:44,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:44, skipping insertion in model container [2019-11-27 09:50:44,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:44" (1/1) ... [2019-11-27 09:50:44,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:44,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:45,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:45,024 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:45,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:45,099 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:45,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45 WrapperNode [2019-11-27 09:50:45,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:45,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:45,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:45,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:45,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:45,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:45,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:45,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:45,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:45" (1/1) ... [2019-11-27 09:50:45,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:45,349 INFO L168 Benchmark]: Toolchain (without parser) took 858.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:45,352 INFO L168 Benchmark]: CDTParser took 0.39 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 09:50:45,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:45,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.30 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 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:45,362 INFO L168 Benchmark]: Boogie Preprocessor took 59.44 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:45,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 609.47 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.30 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 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.44 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...