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/ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:04,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:04,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:04,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:04,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:04,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:04,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:04,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:04,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:04,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:04,432 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:04,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:04,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:04,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:04,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:04,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:04,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:04,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:04,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:04,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:04,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:04,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:04,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:04,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:04,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:04,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:04,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:04,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:04,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:04,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:04,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:04,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:04,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:04,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:04,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:04,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:04,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:04,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:04,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:04,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:04,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:04,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:04,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:04,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:04,519 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:04,520 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:04,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl [2019-08-09 14:18:04,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl' [2019-08-09 14:18:04,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:04,577 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:04,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:04,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:04,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:04,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (1/1) ... [2019-08-09 14:18:04,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:04,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:04,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:04,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:04,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:04" (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 14:18:04,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:18:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:18:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:18:05,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:18:05,085 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:18:05,086 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:05 BoogieIcfgContainer [2019-08-09 14:18:05,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:05,087 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:05,087 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:05,087 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:05,088 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ArraysOfVariableLength2_true-valid-memsafety.c_18.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:05" (1/1) ... [2019-08-09 14:18:05,606 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-08-09 14:18:06,580 WARN L188 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2019-08-09 14:18:07,084 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-09 14:18:07,818 WARN L188 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 133 [2019-08-09 14:18:08,754 WARN L188 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-08-09 14:18:09,547 WARN L188 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-08-09 14:18:09,607 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:09,615 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:09,617 INFO L168 Benchmark]: Toolchain (without parser) took 5039.88 ms. Allocated memory was 131.6 MB in the beginning and 306.2 MB in the end (delta: 174.6 MB). Free memory was 106.4 MB in the beginning and 287.2 MB in the end (delta: -180.8 MB). Peak memory consumption was 157.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:09,618 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:18:09,619 INFO L168 Benchmark]: Boogie Preprocessor took 52.60 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:09,620 INFO L168 Benchmark]: RCFGBuilder took 455.79 ms. Allocated memory is still 131.6 MB. Free memory was 103.9 MB in the beginning and 88.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:09,621 INFO L168 Benchmark]: Symbolic Interpretation took 4528.14 ms. Allocated memory was 131.6 MB in the beginning and 306.2 MB in the end (delta: 174.6 MB). Free memory was 88.6 MB in the beginning and 287.2 MB in the end (delta: -198.6 MB). Peak memory consumption was 139.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:09,625 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 200]: 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 142#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= (+ |ULTIMATE.start_main_~#b~0.offset| (* 4 ULTIMATE.start_main_~i~2)) |ULTIMATE.start_write~int_#ptr.offset|) (= 0 |ULTIMATE.start_bar_#res|) (= |ULTIMATE.start_main_#t~ret6| |ULTIMATE.start_foo_#res|) (= |ULTIMATE.start_foo_#res| ULTIMATE.start_foo_~i~1) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (not (< ULTIMATE.start_bar_~i~0 ULTIMATE.start_bar_~size)) (= |ULTIMATE.start_bar_#res| ULTIMATE.start_bar_~res~0) (= |ULTIMATE.start_write~int_old_#memory_int| |#memory_int|) (<= 0 (+ |ULTIMATE.start_main_#t~ret6| 2147483648)) (or (not (<= 0 |ULTIMATE.start_write~int_#ptr.offset|)) (not (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)))) (= |ULTIMATE.start_write~int_#value| |ULTIMATE.start_main_#t~ret6|) (= |#valid| (store |ULTIMATE.start_ULTIMATE.dealloc_old_#valid| ULTIMATE.start_ULTIMATE.dealloc_~addr.base 0)) (or (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (and (= ULTIMATE.start_bar_~i~0 0) (= ULTIMATE.start_bar_~res~0 0))) (<= |ULTIMATE.start_main_#t~ret6| 2147483647) (= |ULTIMATE.start_write~int_#ptr.base| |ULTIMATE.start_main_~#b~0.base|)). 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 131.6 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.60 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.79 ms. Allocated memory is still 131.6 MB. Free memory was 103.9 MB in the beginning and 88.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4528.14 ms. Allocated memory was 131.6 MB in the beginning and 306.2 MB in the end (delta: 174.6 MB). Free memory was 88.6 MB in the beginning and 287.2 MB in the end (delta: -198.6 MB). Peak memory consumption was 139.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...