./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-circular-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/forester-heap/sll-circular-2.i -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 b651d63eb42259dfd3a213a6671e4c58ee528ad0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/forester-heap/sll-circular-2.i -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 b651d63eb42259dfd3a213a6671e4c58ee528ad0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:11:33,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:33,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:33,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:33,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:33,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:33,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:33,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:33,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:33,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:33,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:33,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:33,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:33,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:33,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:33,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:33,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:33,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:33,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:33,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:33,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:33,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:33,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:33,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:33,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:33,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:33,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:33,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:33,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:33,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:33,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:33,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:33,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:33,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:33,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:33,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:33,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:33,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:33,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:33,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:33,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:33,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:33,989 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:33,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:33,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:33,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:33,996 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:33,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:33,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:33,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:33,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:33,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:34,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:34,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:34,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:34,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:34,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:34,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:34,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:34,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:34,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:34,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:34,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:34,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:34,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:34,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:34,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:34,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:34,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:34,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:34,013 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 -> b651d63eb42259dfd3a213a6671e4c58ee528ad0 [2019-11-27 16:11:34,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:34,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:34,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:34,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:34,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:34,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-circular-2.i [2019-11-27 16:11:34,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d392e7f26/edb0b44e454045c1a946895abebcda9a/FLAGc72f4efdb [2019-11-27 16:11:35,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:35,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-circular-2.i [2019-11-27 16:11:36,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d392e7f26/edb0b44e454045c1a946895abebcda9a/FLAGc72f4efdb [2019-11-27 16:11:36,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d392e7f26/edb0b44e454045c1a946895abebcda9a [2019-11-27 16:11:36,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:36,076 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:36,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:36,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:36,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:36,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:36" (1/1) ... [2019-11-27 16:11:36,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:36, skipping insertion in model container [2019-11-27 16:11:36,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:36" (1/1) ... [2019-11-27 16:11:36,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:36,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:37,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:37,174 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:37,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:37,421 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:37,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37 WrapperNode [2019-11-27 16:11:37,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:37,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:37,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:37,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:37,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:37,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:37,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:37,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:37,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:37" (1/1) ... [2019-11-27 16:11:37,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:37,676 INFO L168 Benchmark]: Toolchain (without parser) took 1582.08 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:37,677 INFO L168 Benchmark]: CDTParser took 2.56 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 16:11:37,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1346.52 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:37,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.68 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:37,686 INFO L168 Benchmark]: Boogie Preprocessor took 76.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:37,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 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 1346.52 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.68 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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 0.1.24-509859d [2019-11-27 16:11:41,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:41,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:41,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:41,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:41,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:41,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:41,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:41,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:41,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:41,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:41,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:41,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:41,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:41,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:41,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:41,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:41,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:41,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:41,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:41,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:41,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:41,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:41,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:41,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:41,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:41,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:41,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:41,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:41,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:41,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:41,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:41,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:41,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:41,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:41,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:41,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:41,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:41,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:41,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:41,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:41,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:41,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:41,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:41,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:41,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:41,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:41,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:41,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:41,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:41,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:41,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:41,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:41,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:41,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:41,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:41,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:41,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:41,885 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:41,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:41,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:41,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:41,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:41,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:41,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:41,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:41,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:41,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:41,890 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:41,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:41,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:41,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:41,895 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 -> b651d63eb42259dfd3a213a6671e4c58ee528ad0 [2019-11-27 16:11:42,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:42,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:42,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:42,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:42,503 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:42,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-circular-2.i [2019-11-27 16:11:42,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5588c9b48/28a2963db53f49af8ea78496e7212f3a/FLAGde5677e20 [2019-11-27 16:11:43,866 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:43,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-circular-2.i [2019-11-27 16:11:43,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5588c9b48/28a2963db53f49af8ea78496e7212f3a/FLAGde5677e20 [2019-11-27 16:11:44,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5588c9b48/28a2963db53f49af8ea78496e7212f3a [2019-11-27 16:11:44,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:44,369 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:44,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:44,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:44,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:44,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:44" (1/1) ... [2019-11-27 16:11:44,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:44, skipping insertion in model container [2019-11-27 16:11:44,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:44" (1/1) ... [2019-11-27 16:11:44,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:44,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:45,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:45,461 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:45,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:45,701 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:45,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45 WrapperNode [2019-11-27 16:11:45,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:45,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:45,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:45,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:45,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:45,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:45,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:45,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:45,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:45" (1/1) ... [2019-11-27 16:11:45,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:45,949 INFO L168 Benchmark]: Toolchain (without parser) took 1568.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 974.0 MB in the end (delta: -8.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:45,950 INFO L168 Benchmark]: CDTParser took 1.08 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 16:11:45,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1319.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:45,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:45,956 INFO L168 Benchmark]: Boogie Preprocessor took 113.20 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:45,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 1319.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 118.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.20 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 974.0 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...