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/960521-1_false-valid-deref.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:13:37,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:13:37,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:13:37,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:13:37,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:13:37,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:13:37,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:13:37,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:13:37,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:13:37,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:13:37,407 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:13:37,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:13:37,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:13:37,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:13:37,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:13:37,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:13:37,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:13:37,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:13:37,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:13:37,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:13:37,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:13:37,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:13:37,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:13:37,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:13:37,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:13:37,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:13:37,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:13:37,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:13:37,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:13:37,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:13:37,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:13:37,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:13:37,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:13:37,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:13:37,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:13:37,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:13:37,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:13:37,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:13:37,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:13:37,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:13:37,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:13:37,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:13:37,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:13:37,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:13:37,494 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:13:37,495 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:13:37,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_false-valid-deref.i_5.bpl [2019-08-05 18:13:37,496 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_false-valid-deref.i_5.bpl' [2019-08-05 18:13:37,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:13:37,544 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:13:37,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:13:37,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:13:37,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:13:37,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:13:37,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:13:37,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:13:37,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:13:37,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:37" (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 [2019-08-05 18:13:37,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:13:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:13:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:13:37,938 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:13:37,938 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:13:37,940 INFO L202 PluginConnector]: Adding new model 960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:37 BoogieIcfgContainer [2019-08-05 18:13:37,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:13:37,941 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:13:37,941 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:13:37,941 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:13:37,942 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:37" (1/1) ... [2019-08-05 18:13:37,954 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:13:37,956 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:13:37,968 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:13:37,977 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:13:37,978 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:13:38,217 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:13:38,217 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:13:38,220 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= (+ ~a~0.offset (* 4 ULTIMATE.start_foo_~i~0)) |ULTIMATE.start_write~int_#ptr.offset|) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| (- 1)) (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_foo_~i~0 ~n~0) (= ~a~0.base |ULTIMATE.start_write~int_#ptr.base|) (exists ((|v_ULTIMATE.start_write~int_#ptr.offset_8| Int) (|v_ULTIMATE.start_write~int_#ptr.base_8| Int) (|v_ULTIMATE.start_write~int_#sizeOfWrittenType_8| Int) (|v_ULTIMATE.start_write~int_old_#memory_int_7| (Array Int (Array Int Int))) (|v_ULTIMATE.start_write~int_#value_7| Int)) (and (= |#memory_int| (store |v_ULTIMATE.start_write~int_old_#memory_int_7| |v_ULTIMATE.start_write~int_#ptr.base_8| (store (select |v_ULTIMATE.start_write~int_old_#memory_int_7| |v_ULTIMATE.start_write~int_#ptr.base_8|) |v_ULTIMATE.start_write~int_#ptr.offset_8| |v_ULTIMATE.start_write~int_#value_7|))) (<= 0 |v_ULTIMATE.start_write~int_#ptr.offset_8|) (or (and (= |v_ULTIMATE.start_write~int_#value_7| (- 1)) (= |v_ULTIMATE.start_write~int_#sizeOfWrittenType_8| 4)) (and (= |#NULL.base| 0) (= |v_ULTIMATE.start_write~int_#value_7| (- 1)) (= ~n~0 128) (= |v_ULTIMATE.start_write~int_#sizeOfWrittenType_8| 4) (= |ULTIMATE.start_main_#t~malloc2.offset| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))) (<= (+ |v_ULTIMATE.start_write~int_#ptr.offset_8| |v_ULTIMATE.start_write~int_#sizeOfWrittenType_8|) (select |#length| |v_ULTIMATE.start_write~int_#ptr.base_8|)) (= (select |#valid| |v_ULTIMATE.start_write~int_#ptr.base_8|) 1))) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (= |ULTIMATE.start_write~int_old_#memory_int| |#memory_int|)) [2019-08-05 18:13:38,221 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:13:38,235 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:13:38,238 INFO L168 Benchmark]: Toolchain (without parser) took 693.55 ms. Allocated memory is still 136.3 MB. Free memory was 107.1 MB in the beginning and 84.3 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:38,243 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:13:38,245 INFO L168 Benchmark]: Boogie Preprocessor took 50.78 ms. Allocated memory is still 136.3 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:38,246 INFO L168 Benchmark]: RCFGBuilder took 344.62 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 92.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:38,248 INFO L168 Benchmark]: Symbolic Interpretation took 294.85 ms. Allocated memory is still 136.3 MB. Free memory was 92.3 MB in the beginning and 84.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:38,258 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 116]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.78 ms. Allocated memory is still 136.3 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 344.62 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 92.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 294.85 ms. Allocated memory is still 136.3 MB. Free memory was 92.3 MB in the beginning and 84.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...