./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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-ext2-properties/simple_and_skiplist_2lvl-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 b76ecfcab69931c531f8f47556627be2c19ef8db ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext2-properties/simple_and_skiplist_2lvl-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 b76ecfcab69931c531f8f47556627be2c19ef8db ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:02:26,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:02:26,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:02:26,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:02:26,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:02:26,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:02:26,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:02:26,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:02:26,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:02:26,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:02:26,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:02:26,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:02:26,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:02:26,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:02:26,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:02:26,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:02:26,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:02:26,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:02:26,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:02:26,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:02:26,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:02:26,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:02:26,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:02:26,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:02:26,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:02:26,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:02:26,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:02:26,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:02:26,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:02:26,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:02:26,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:02:26,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:02:26,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:02:26,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:02:26,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:02:26,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:02:26,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:02:26,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:02:26,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:02:26,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:02:27,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:02:27,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:02:27,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:02:27,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:02:27,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:02:27,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:02:27,051 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:02:27,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:02:27,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:02:27,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:02:27,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:02:27,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:02:27,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:02:27,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:02:27,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:02:27,061 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:02:27,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:02:27,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:02:27,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:02:27,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:02:27,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:02:27,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:02:27,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:02:27,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:02:27,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:02:27,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:02:27,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:02:27,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:02:27,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:02:27,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:02:27,069 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 -> b76ecfcab69931c531f8f47556627be2c19ef8db [2019-11-26 17:02:27,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:02:27,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:02:27,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:02:27,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:02:27,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:02:27,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-11-26 17:02:27,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705f5cb02/94272b204b584dcb93826b3f25955682/FLAGf3bb32944 [2019-11-26 17:02:29,015 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:02:29,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-11-26 17:02:29,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705f5cb02/94272b204b584dcb93826b3f25955682/FLAGf3bb32944 [2019-11-26 17:02:29,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705f5cb02/94272b204b584dcb93826b3f25955682 [2019-11-26 17:02:29,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:02:29,103 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:02:29,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:29,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:02:29,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:02:29,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:29" (1/1) ... [2019-11-26 17:02:29,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb9fd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:29, skipping insertion in model container [2019-11-26 17:02:29,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:29" (1/1) ... [2019-11-26 17:02:29,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:02:29,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:02:29,595 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:02:29,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d18476e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:29, skipping insertion in model container [2019-11-26 17:02:29,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:29,599 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:02:29,607 INFO L168 Benchmark]: Toolchain (without parser) took 500.50 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:02:29,609 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-26 17:02:29,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.36 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:02:29,617 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 490.36 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 138]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:02:33,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:02:33,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:02:33,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:02:33,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:02:33,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:02:33,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:02:33,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:02:33,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:02:33,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:02:33,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:02:33,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:02:33,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:02:33,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:02:33,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:02:33,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:02:33,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:02:33,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:02:33,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:02:33,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:02:33,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:02:33,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:02:33,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:02:33,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:02:33,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:02:33,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:02:33,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:02:33,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:02:33,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:02:33,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:02:33,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:02:33,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:02:33,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:02:33,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:02:33,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:02:33,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:02:33,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:02:33,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:02:33,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:02:33,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:02:33,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:02:33,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:02:33,666 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:02:33,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:02:33,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:02:33,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:02:33,673 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:02:33,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:02:33,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:02:33,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:02:33,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:02:33,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:02:33,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:02:33,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:02:33,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:02:33,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:02:33,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:02:33,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:02:33,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:02:33,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:02:33,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:02:33,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:02:33,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:02:33,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:02:33,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:02:33,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:02:33,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:02:33,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:02:33,688 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:02:33,690 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:02:33,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:02:33,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:02:33,692 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 -> b76ecfcab69931c531f8f47556627be2c19ef8db [2019-11-26 17:02:34,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:02:34,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:02:34,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:02:34,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:02:34,331 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:02:34,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-11-26 17:02:34,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226f7ca26/af4ebb5c190146809e0536517cc6f017/FLAG6d5a98102 [2019-11-26 17:02:35,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:02:35,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-11-26 17:02:35,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226f7ca26/af4ebb5c190146809e0536517cc6f017/FLAG6d5a98102 [2019-11-26 17:02:35,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226f7ca26/af4ebb5c190146809e0536517cc6f017 [2019-11-26 17:02:35,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:02:35,766 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:02:35,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:35,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:02:35,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:02:35,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:35" (1/1) ... [2019-11-26 17:02:35,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4845938f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:35, skipping insertion in model container [2019-11-26 17:02:35,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:35" (1/1) ... [2019-11-26 17:02:35,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:02:35,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:02:36,251 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:02:36,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7da29a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:36, skipping insertion in model container [2019-11-26 17:02:36,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:36,265 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:02:36,274 INFO L168 Benchmark]: Toolchain (without parser) took 500.97 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. [2019-11-26 17:02:36,275 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-26 17:02:36,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.94 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. [2019-11-26 17:02:36,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 492.94 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 138]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...