./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f3e231c5b77f9ab25b28372001f508e3e47c051 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f3e231c5b77f9ab25b28372001f508e3e47c051 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:57:58,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:57:58,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:57:58,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:57:58,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:57:58,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:57:58,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:57:58,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:57:58,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:57:58,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:57:58,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:57:58,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:57:58,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:57:58,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:57:58,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:57:58,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:57:58,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:57:58,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:57:58,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:57:58,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:57:58,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:57:58,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:57:58,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:57:58,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:57:58,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:57:58,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:57:58,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:57:58,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:57:58,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:57:58,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:57:58,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:57:58,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:57:58,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:57:58,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:57:58,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:57:58,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:57:58,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:57:58,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:57:58,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:57:58,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:57:58,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:57:58,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:57:59,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:57:59,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:57:59,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:57:59,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:57:59,027 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:57:59,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:57:59,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:57:59,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:57:59,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:57:59,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:57:59,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:57:59,033 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:57:59,033 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:57:59,034 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:57:59,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:57:59,036 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:57:59,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:57:59,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:57:59,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:57:59,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:57:59,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:57:59,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:57:59,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:57:59,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:57:59,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:57:59,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:57:59,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:57:59,043 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2019-11-26 17:57:59,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:57:59,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:57:59,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:57:59,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:57:59,693 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:57:59,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-26 17:57:59,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112a0fc26/7dfca113f7ec4350bb68c16ded11ad1c/FLAG3ae866f3b [2019-11-26 17:58:01,111 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:01,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-26 17:58:01,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112a0fc26/7dfca113f7ec4350bb68c16ded11ad1c/FLAG3ae866f3b [2019-11-26 17:58:01,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112a0fc26/7dfca113f7ec4350bb68c16ded11ad1c [2019-11-26 17:58:01,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:01,202 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:01,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:01,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:01,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:01,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:01" (1/1) ... [2019-11-26 17:58:01,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16617064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:01, skipping insertion in model container [2019-11-26 17:58:01,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:01" (1/1) ... [2019-11-26 17:58:01,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:01,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:01,742 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:01,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75d89350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:01, skipping insertion in model container [2019-11-26 17:58:01,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:01,745 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:01,752 INFO L168 Benchmark]: Toolchain (without parser) took 544.95 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 17:58:01,753 INFO L168 Benchmark]: CDTParser took 2.32 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 17:58:01,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.11 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 17:58:01,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.32 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 533.11 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: 175]: 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 17:58:05,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:05,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:05,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:05,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:05,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:05,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:05,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:05,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:05,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:05,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:05,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:05,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:05,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:05,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:05,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:05,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:05,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:05,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:05,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:05,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:05,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:05,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:05,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:05,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:05,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:05,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:05,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:05,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:05,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:05,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:05,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:05,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:05,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:05,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:05,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:05,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:05,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:05,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:05,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:05,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:05,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:05,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:05,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:05,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:05,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:05,916 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:05,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:05,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:05,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:05,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:05,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:05,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:05,921 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:05,921 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:05,924 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:05,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:05,925 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:05,925 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:05,925 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:05,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:05,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:05,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:05,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:05,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:05,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:05,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:05,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:05,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:05,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:05,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:05,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:05,933 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2019-11-26 17:58:06,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:06,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:06,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:06,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:06,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:06,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-26 17:58:06,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d17ca694/91fd3e8824834ff782f445630e2b58ab/FLAG0f205bfd8 [2019-11-26 17:58:08,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:08,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-26 17:58:08,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d17ca694/91fd3e8824834ff782f445630e2b58ab/FLAG0f205bfd8 [2019-11-26 17:58:08,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d17ca694/91fd3e8824834ff782f445630e2b58ab [2019-11-26 17:58:08,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:08,117 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:08,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:08,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:08,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:08,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:08" (1/1) ... [2019-11-26 17:58:08,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c88225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:08, skipping insertion in model container [2019-11-26 17:58:08,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:08" (1/1) ... [2019-11-26 17:58:08,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:08,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:08,646 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __fsid_t [2019-11-26 17:58:08,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@758ade60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:08, skipping insertion in model container [2019-11-26 17:58:08,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:08,653 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:58:08,660 INFO L168 Benchmark]: Toolchain (without parser) took 538.81 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 17:58:08,661 INFO L168 Benchmark]: CDTParser took 0.47 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 17:58:08,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.63 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 17:58:08,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 520.63 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: 175]: Unsupported Syntax Undefined type __fsid_t RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...