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/dll_extends_pointer_true-valid-memsafety.i_38.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:17:33,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:17:33,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:17:33,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:17:33,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:17:33,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:17:33,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:17:33,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:17:33,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:17:33,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:17:33,860 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:17:33,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:17:33,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:17:33,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:17:33,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:17:33,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:17:33,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:17:33,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:17:33,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:17:33,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:17:33,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:17:33,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:17:33,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:17:33,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:17:33,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:17:33,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:17:33,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:17:33,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:17:33,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:17:33,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:17:33,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:17:33,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:17:33,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:17:33,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:17:33,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:17:33,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:17:33,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:17:33,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:17:33,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:17:33,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:17:33,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:17:33,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:17:33,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:17:33,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:17:33,929 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:17:33,929 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:17:33,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_38.bpl [2019-08-09 14:17:33,930 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/dll_extends_pointer_true-valid-memsafety.i_38.bpl' [2019-08-09 14:17:33,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:17:33,994 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:17:33,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:17:33,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:17:33,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:17:34,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (1/1) ... [2019-08-09 14:17:34,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:17:34,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:17:34,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:17:34,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:17:34,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:33" (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 14:17:34,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:17:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:17:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:17:34,533 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:17:34,534 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:17:34,535 INFO L202 PluginConnector]: Adding new model dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:34 BoogieIcfgContainer [2019-08-09 14:17:34,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:17:34,536 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:17:34,536 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:17:34,536 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:17:34,537 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "dll_extends_pointer_true-valid-memsafety.i_38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:34" (1/1) ... [2019-08-09 14:17:35,207 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-08-09 14:17:35,373 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-09 14:17:35,507 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-09 14:17:36,608 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2019-08-09 14:17:36,879 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-08-09 14:17:37,072 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-09 14:17:43,659 WARN L188 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 184 DAG size of output: 163 [2019-08-09 14:17:46,959 WARN L188 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-09 14:17:48,960 WARN L188 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 155 [2019-08-09 14:17:49,885 WARN L188 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-09 14:17:50,573 WARN L188 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-09 14:17:51,704 WARN L188 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2019-08-09 14:17:52,060 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-08-09 14:17:52,322 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-08-09 14:17:52,341 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:52,353 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:52,356 INFO L168 Benchmark]: Toolchain (without parser) took 18361.24 ms. Allocated memory was 132.1 MB in the beginning and 305.7 MB in the end (delta: 173.5 MB). Free memory was 107.9 MB in the beginning and 244.9 MB in the end (delta: -137.0 MB). Peak memory consumption was 218.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,358 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,359 INFO L168 Benchmark]: Boogie Preprocessor took 84.75 ms. Allocated memory is still 132.1 MB. Free memory was 107.7 MB in the beginning and 105.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,363 INFO L168 Benchmark]: RCFGBuilder took 455.16 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 88.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,364 INFO L168 Benchmark]: Symbolic Interpretation took 17817.51 ms. Allocated memory was 132.1 MB in the beginning and 305.7 MB in the end (delta: 173.5 MB). Free memory was 88.8 MB in the beginning and 244.9 MB in the end (delta: -156.1 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 202]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 33#(and (= 1 (select |#valid| ULTIMATE.start_main_~y~0.base)) (= |ULTIMATE.start_read~$Pointer$_#value.base| |ULTIMATE.start_main_#t~mem8.base|) (= |ULTIMATE.start_read~$Pointer$_#value.offset| |ULTIMATE.start_main_#t~mem8.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_read~$Pointer$_#ptr.base|) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) |ULTIMATE.start_read~$Pointer$_#value.base|) (not (= 0 |ULTIMATE.start_main_#t~mem8.offset|)) (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (<= (+ ULTIMATE.start_main_~y~0.offset 4) (select |#length| ULTIMATE.start_main_~y~0.base)) (<= 0 ULTIMATE.start_main_~y~0.offset) (<= (+ ULTIMATE.start_main_~y~0.offset 12) (select |#length| ULTIMATE.start_main_~y~0.base)) (<= 0 (+ ULTIMATE.start_main_~y~0.offset 8)) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset) ULTIMATE.start_main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_read~$Pointer$_#ptr.base|) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) |ULTIMATE.start_read~$Pointer$_#value.offset|) (<= 0 |ULTIMATE.start_read~$Pointer$_#ptr.offset|) (= |ULTIMATE.start_read~$Pointer$_#ptr.base| ULTIMATE.start_main_~y~0.base) (<= (+ |ULTIMATE.start_read~$Pointer$_#ptr.offset| |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (select |#length| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (or (not (= ULTIMATE.start_main_~y~0.offset 0)) (not (= 0 ULTIMATE.start_main_~y~0.base))) (or (not (= (+ ULTIMATE.start_main_~y~0.offset 12) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~y~0.base) (+ ULTIMATE.start_main_~y~0.offset 8)))) (not (= ULTIMATE.start_main_~y~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~y~0.base) (+ ULTIMATE.start_main_~y~0.offset 8))))) (= ULTIMATE.start_main_~list~0.offset (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)) (= 4 |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (= (+ ULTIMATE.start_main_~y~0.offset 8) |ULTIMATE.start_read~$Pointer$_#ptr.offset|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.75 ms. Allocated memory is still 132.1 MB. Free memory was 107.7 MB in the beginning and 105.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.16 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 88.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 17817.51 ms. Allocated memory was 132.1 MB in the beginning and 305.7 MB in the end (delta: 173.5 MB). Free memory was 88.8 MB in the beginning and 244.9 MB in the end (delta: -156.1 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...