./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/list-properties/list-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 6439b1baef116d71fdff38c675a38b8a29c42257 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/list-properties/list-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 6439b1baef116d71fdff38c675a38b8a29c42257 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:13,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:13,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:13,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:13,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:13,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:13,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:13,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:13,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:13,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:13,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:13,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:13,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:13,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:13,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:13,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:13,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:13,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:13,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:13,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:13,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:13,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:13,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:13,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:13,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:13,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:13,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:13,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:13,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:13,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:13,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:13,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:13,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:13,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:13,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:13,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:13,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:13,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:13,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:13,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:13,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:13,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:13,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:13,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:13,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:13,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:13,963 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:13,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:13,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:13,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:13,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:13,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:13,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:13,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:13,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:13,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:13,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:13,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:13,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:13,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:13,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:13,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:13,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:13,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:13,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:13,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:13,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:13,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:13,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:13,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:13,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:13,975 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 -> 6439b1baef116d71fdff38c675a38b8a29c42257 [2019-11-24 21:07:14,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:14,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:14,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:14,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:14,538 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:14,540 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-2.i [2019-11-24 21:07:14,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d48b02d2/803b5f114f944d69bb9ce601c734b1d9/FLAG6bf32d2c5 [2019-11-24 21:07:15,901 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:15,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-2.i [2019-11-24 21:07:15,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d48b02d2/803b5f114f944d69bb9ce601c734b1d9/FLAG6bf32d2c5 [2019-11-24 21:07:15,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d48b02d2/803b5f114f944d69bb9ce601c734b1d9 [2019-11-24 21:07:15,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:15,999 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:16,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:16,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:16,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:16,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:15" (1/1) ... [2019-11-24 21:07:16,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:16, skipping insertion in model container [2019-11-24 21:07:16,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:15" (1/1) ... [2019-11-24 21:07:16,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:16,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:17,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:17,106 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:17,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:17,347 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:17,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17 WrapperNode [2019-11-24 21:07:17,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:17,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:17,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:17,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:17,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:17,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:17,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:17,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:17,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:17,592 INFO L168 Benchmark]: Toolchain (without parser) took 1586.35 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 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:17,604 INFO L168 Benchmark]: CDTParser took 4.10 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. [2019-11-24 21:07:17,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1334.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:17,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.54 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:17,613 INFO L168 Benchmark]: Boogie Preprocessor took 102.54 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:17,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.10 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 1334.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.54 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 102.54 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:21,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:21,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:21,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:21,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:21,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:21,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:21,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:21,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:21,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:21,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:21,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:21,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:21,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:21,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:21,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:21,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:21,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:21,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:21,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:21,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:21,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:21,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:21,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:21,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:21,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:21,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:21,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:21,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:21,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:21,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:21,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:21,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:21,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:21,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:21,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:21,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:21,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:21,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:21,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:21,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:21,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:21,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:21,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:21,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:21,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:21,738 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:21,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:21,739 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:21,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:21,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:21,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:21,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:21,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:21,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:21,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:21,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:21,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:21,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:21,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:21,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:21,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:21,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:21,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:21,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:21,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:21,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:21,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:21,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:21,752 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:21,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:21,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:21,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:21,755 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 -> 6439b1baef116d71fdff38c675a38b8a29c42257 [2019-11-24 21:07:22,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:22,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:22,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:22,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:22,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:22,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-2.i [2019-11-24 21:07:22,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2a03e3c8/d718b4b26b3946adb6dd9748c420c116/FLAG869d66d79 [2019-11-24 21:07:23,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:23,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-2.i [2019-11-24 21:07:23,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2a03e3c8/d718b4b26b3946adb6dd9748c420c116/FLAG869d66d79 [2019-11-24 21:07:23,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2a03e3c8/d718b4b26b3946adb6dd9748c420c116 [2019-11-24 21:07:23,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:23,888 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:23,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:23,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:23,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:23,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:23" (1/1) ... [2019-11-24 21:07:23,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:23, skipping insertion in model container [2019-11-24 21:07:23,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:23" (1/1) ... [2019-11-24 21:07:23,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:24,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:24,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:25,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:25,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:25,299 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:25,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25 WrapperNode [2019-11-24 21:07:25,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:25,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:25,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:25,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:25,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:25,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:25,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:25,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:25,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:25,563 INFO L168 Benchmark]: Toolchain (without parser) took 1668.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.5 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:25,567 INFO L168 Benchmark]: CDTParser took 2.90 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. [2019-11-24 21:07:25,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1410.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:25,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.84 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:25,579 INFO L168 Benchmark]: Boogie Preprocessor took 121.30 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:25,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.90 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 1410.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.84 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.30 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...