java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:15:53,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:15:53,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:15:53,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:15:53,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:15:53,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:15:53,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:15:53,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:15:53,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:15:53,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:15:53,965 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:15:53,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:15:53,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:15:53,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:15:53,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:15:53,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:15:53,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:15:53,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:15:53,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:15:53,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:15:53,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:15:53,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:15:53,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:15:53,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:15:53,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:15:53,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:15:53,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:15:53,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:15:53,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:15:53,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:15:53,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:15:53,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:15:53,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:15:53,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:15:53,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:15:53,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:15:53,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:15:53,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:15:53,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:15:53,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:15:54,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:15:54,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:15:54,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:15:54,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:15:54,069 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:15:54,070 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:15:54,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl [2019-08-09 14:15:54,071 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl' [2019-08-09 14:15:54,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:15:54,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:15:54,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:15:54,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:15:54,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:15:54,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:15:54,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:15:54,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:15:54,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:15:54,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-09 14:15:54,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:15:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:15:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:15:54,695 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:15:54,695 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:15:54,697 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:54 BoogieIcfgContainer [2019-08-09 14:15:54,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:15:54,698 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:15:54,698 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:15:54,698 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:15:54,699 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:54" (1/1) ... [2019-08-09 14:15:54,949 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:55,117 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-09 14:15:55,276 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:55,858 WARN L188 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 118 [2019-08-09 14:15:55,936 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:56,481 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 118 [2019-08-09 14:15:57,473 WARN L188 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2019-08-09 14:15:58,550 WARN L188 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2019-08-09 14:15:59,289 WARN L188 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2019-08-09 14:15:59,316 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:15:59,325 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:15:59,327 INFO L168 Benchmark]: Toolchain (without parser) took 5177.26 ms. Allocated memory was 134.7 MB in the beginning and 286.3 MB in the end (delta: 151.5 MB). Free memory was 107.4 MB in the beginning and 239.3 MB in the end (delta: -131.9 MB). Peak memory consumption was 146.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,328 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 109.5 MB in the beginning and 109.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,329 INFO L168 Benchmark]: Boogie Preprocessor took 96.32 ms. Allocated memory is still 134.7 MB. Free memory was 107.4 MB in the beginning and 104.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,330 INFO L168 Benchmark]: RCFGBuilder took 450.46 ms. Allocated memory is still 134.7 MB. Free memory was 104.7 MB in the beginning and 87.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,331 INFO L168 Benchmark]: Symbolic Interpretation took 4627.22 ms. Allocated memory was 134.7 MB in the beginning and 286.3 MB in the end (delta: 151.5 MB). Free memory was 87.4 MB in the beginning and 239.3 MB in the end (delta: -151.9 MB). Peak memory consumption was 126.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 242]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 54#(and (= |ULTIMATE.start_read~int_#ptr.offset| ULTIMATE.start_main_~p~0.offset) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.base) (or (not (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|))) (not (<= 0 |ULTIMATE.start_read~int_#ptr.offset|))) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 109.5 MB in the beginning and 109.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.32 ms. Allocated memory is still 134.7 MB. Free memory was 107.4 MB in the beginning and 104.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.46 ms. Allocated memory is still 134.7 MB. Free memory was 104.7 MB in the beginning and 87.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4627.22 ms. Allocated memory was 134.7 MB in the beginning and 286.3 MB in the end (delta: 151.5 MB). Free memory was 87.4 MB in the beginning and 239.3 MB in the end (delta: -151.9 MB). Peak memory consumption was 126.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...