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_36.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:16:19,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:16:19,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:16:19,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:16:19,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:16:19,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:16:19,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:16:19,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:16:19,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:16:19,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:16:19,693 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:16:19,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:16:19,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:16:19,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:16:19,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:16:19,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:16:19,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:16:19,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:16:19,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:16:19,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:16:19,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:16:19,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:16:19,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:16:19,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:16:19,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:16:19,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:16:19,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:16:19,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:16:19,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:16:19,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:16:19,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:16:19,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:16:19,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:16:19,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:16:19,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:16:19,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:16:19,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:16:19,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:16:19,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:16:19,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:16:19,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:16:19,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:16:19,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:16:19,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:16:19,786 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:16:19,787 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:16:19,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl [2019-08-09 14:16:19,788 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl' [2019-08-09 14:16:19,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:16:19,843 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:16:19,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:16:19,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:16:19,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:16:19,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (1/1) ... [2019-08-09 14:16:19,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:16:19,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:16:19,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:16:19,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:16:19,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:19" (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 14:16:20,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:16:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:16:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:16:20,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:16:20,428 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:16:20,430 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:20 BoogieIcfgContainer [2019-08-09 14:16:20,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:16:20,437 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:16:20,438 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:16:20,439 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:16:20,440 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:20" (1/1) ... [2019-08-09 14:16:20,688 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:20,881 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-09 14:16:21,032 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:21,685 WARN L188 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 118 [2019-08-09 14:16:21,788 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:22,349 WARN L188 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 118 [2019-08-09 14:16:23,350 WARN L188 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2019-08-09 14:16:24,398 WARN L188 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 122 [2019-08-09 14:16:25,124 WARN L188 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2019-08-09 14:16:25,157 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:16:25,165 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:16:25,167 INFO L168 Benchmark]: Toolchain (without parser) took 5323.99 ms. Allocated memory was 137.9 MB in the beginning and 255.3 MB in the end (delta: 117.4 MB). Free memory was 104.2 MB in the beginning and 71.4 MB in the end (delta: 32.8 MB). Peak memory consumption was 158.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:25,168 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:16:25,169 INFO L168 Benchmark]: Boogie Preprocessor took 100.88 ms. Allocated memory is still 137.9 MB. Free memory was 104.2 MB in the beginning and 101.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:25,170 INFO L168 Benchmark]: RCFGBuilder took 485.92 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 84.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:25,171 INFO L168 Benchmark]: Symbolic Interpretation took 4727.46 ms. Allocated memory was 137.9 MB in the beginning and 255.3 MB in the end (delta: 117.4 MB). Free memory was 84.2 MB in the beginning and 71.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 138.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:16:25,175 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) (not (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|))) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.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 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.88 ms. Allocated memory is still 137.9 MB. Free memory was 104.2 MB in the beginning and 101.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.92 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 84.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4727.46 ms. Allocated memory was 137.9 MB in the beginning and 255.3 MB in the end (delta: 117.4 MB). Free memory was 84.2 MB in the beginning and 71.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 138.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...