./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test22-2.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/ldv-regression/test22-2.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 54c9c3f123e280a35d761deadfd537de0a28f053 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/ldv-regression/test22-2.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 54c9c3f123e280a35d761deadfd537de0a28f053 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:49:02,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:02,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:02,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:02,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:02,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:02,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:02,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:02,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:02,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:02,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:02,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:02,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:02,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:02,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:02,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:02,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:02,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:02,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:02,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:02,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:02,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:02,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:02,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:02,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:02,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:02,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:02,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:02,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:02,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:02,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:02,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:02,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:02,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:02,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:02,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:02,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:02,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:02,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:02,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:02,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:02,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:02,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:02,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:02,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:02,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:02,750 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:02,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:02,752 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:02,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:02,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:02,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:02,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:02,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:02,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:02,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:02,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:02,760 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:02,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:02,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:02,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:02,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:02,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:02,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:02,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:02,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:02,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:02,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:02,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:02,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:02,769 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 -> 54c9c3f123e280a35d761deadfd537de0a28f053 [2019-11-27 09:49:03,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:03,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:03,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:03,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:03,439 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:03,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-2.c [2019-11-27 09:49:03,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08a7fdaf6/1fe5002f2d444f8c9bbb2d135b5a492d/FLAG9210aa1f1 [2019-11-27 09:49:04,650 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:04,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-2.c [2019-11-27 09:49:04,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08a7fdaf6/1fe5002f2d444f8c9bbb2d135b5a492d/FLAG9210aa1f1 [2019-11-27 09:49:04,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08a7fdaf6/1fe5002f2d444f8c9bbb2d135b5a492d [2019-11-27 09:49:04,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:04,723 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:04,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:04,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:04,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:04,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:04" (1/1) ... [2019-11-27 09:49:04,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:04, skipping insertion in model container [2019-11-27 09:49:04,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:04" (1/1) ... [2019-11-27 09:49:04,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:04,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:05,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:05,301 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:05,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:05,447 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:05,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05 WrapperNode [2019-11-27 09:49:05,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:05,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:05,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:05,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:05,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:05,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:05,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:05,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:05,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:05" (1/1) ... [2019-11-27 09:49:05,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:05,702 INFO L168 Benchmark]: Toolchain (without parser) took 976.61 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:05,705 INFO L168 Benchmark]: CDTParser took 2.40 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 09:49:05,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.83 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:05,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.99 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:05,716 INFO L168 Benchmark]: Boogie Preprocessor took 107.59 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:05,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 723.83 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 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 121.99 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.59 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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-da95e15 [2019-11-27 09:49:09,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:09,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:09,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:09,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:09,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:09,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:09,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:09,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:09,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:09,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:09,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:09,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:09,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:09,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:09,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:09,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:09,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:09,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:09,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:09,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:09,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:09,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:09,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:09,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:09,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:09,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:09,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:09,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:09,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:09,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:09,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:09,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:09,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:09,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:09,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:09,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:09,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:09,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:09,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:09,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:09,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:09,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:09,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:09,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:09,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:09,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:09,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:09,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:09,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:09,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:09,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:09,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:09,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:09,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:09,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:09,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:09,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:09,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:09,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:09,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:09,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:09,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:09,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:09,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:09,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:09,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:09,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:09,753 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:09,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:09,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:09,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:09,755 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 -> 54c9c3f123e280a35d761deadfd537de0a28f053 [2019-11-27 09:49:10,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:10,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:10,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:10,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:10,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:10,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-2.c [2019-11-27 09:49:10,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3616a4/8b85d400330242b5adc1a080cce20d70/FLAG5e3ba618a [2019-11-27 09:49:11,535 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:11,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-2.c [2019-11-27 09:49:11,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3616a4/8b85d400330242b5adc1a080cce20d70/FLAG5e3ba618a [2019-11-27 09:49:11,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3616a4/8b85d400330242b5adc1a080cce20d70 [2019-11-27 09:49:11,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:11,739 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:11,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:11,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:11,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:11,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:11" (1/1) ... [2019-11-27 09:49:11,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4f559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:11, skipping insertion in model container [2019-11-27 09:49:11,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:11" (1/1) ... [2019-11-27 09:49:11,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:11,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:12,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:12,359 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:12,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:12,570 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:12,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12 WrapperNode [2019-11-27 09:49:12,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:12,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:12,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:12,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:12,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:12,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:12,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:12,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:12,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:12" (1/1) ... [2019-11-27 09:49:12,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:12,789 INFO L168 Benchmark]: Toolchain (without parser) took 1046.61 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 989.7 MB in the end (delta: -22.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:12,793 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 09:49:12,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.99 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:12,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.30 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 09:49:12,799 INFO L168 Benchmark]: Boogie Preprocessor took 99.61 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 989.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:12,820 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 831.99 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). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 107.30 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. * Boogie Preprocessor took 99.61 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 989.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...