./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test26-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/test26-1.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 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:20:13,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:20:13,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:20:13,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:20:13,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:20:13,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:20:13,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:20:13,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:20:13,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:20:13,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:20:13,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:20:13,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:20:13,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:20:13,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:20:13,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:20:13,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:20:13,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:20:13,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:20:13,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:20:13,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:20:13,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:20:13,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:20:13,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:20:13,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:20:13,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:20:13,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:20:13,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:20:13,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:20:13,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:20:13,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:20:13,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:20:13,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:20:13,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:20:13,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:20:13,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:20:13,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:20:13,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:20:13,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:20:13,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:20:13,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:20:13,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:20:13,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:20:13,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:20:13,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:20:13,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:20:13,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:20:13,819 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:20:13,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:20:13,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:20:13,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:20:13,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:20:13,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:20:13,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:20:13,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:20:13,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:20:13,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:20:13,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:20:13,828 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:20:13,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:20:13,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:20:13,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:20:13,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:20:13,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:20:13,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:20:13,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:20:13,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:20:13,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:20:13,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:20:13,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:20:13,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:20:13,834 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 -> 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d [2019-11-16 21:20:14,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:20:14,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:20:14,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:20:14,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:20:14,432 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:20:14,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-16 21:20:14,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f8acc85/fb93fbbe76854e69a0bdb37f70c4ae55/FLAGa3f299401 [2019-11-16 21:20:15,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:20:15,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-16 21:20:15,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f8acc85/fb93fbbe76854e69a0bdb37f70c4ae55/FLAGa3f299401 [2019-11-16 21:20:15,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f8acc85/fb93fbbe76854e69a0bdb37f70c4ae55 [2019-11-16 21:20:15,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:20:15,772 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:20:15,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:15,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:20:15,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:20:15,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:15" (1/1) ... [2019-11-16 21:20:15,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644e1c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:15, skipping insertion in model container [2019-11-16 21:20:15,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:15" (1/1) ... [2019-11-16 21:20:15,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:20:15,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:20:16,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:16,298 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:20:16,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:16,363 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:20:16,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16 WrapperNode [2019-11-16 21:20:16,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:16,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:16,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:20:16,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:20:16,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:16,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:20:16,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:20:16,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:20:16,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:20:16,610 INFO L168 Benchmark]: Toolchain (without parser) took 823.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:16,612 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-16 21:20:16,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.59 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. [2019-11-16 21:20:16,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:16,627 INFO L168 Benchmark]: Boogie Preprocessor took 74.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:16,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 589.59 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 143.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.43 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...