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/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:13:47,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:13:47,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:13:47,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:13:47,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:13:47,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:13:47,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:13:47,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:13:47,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:13:47,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:13:47,561 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:13:47,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:13:47,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:13:47,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:13:47,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:13:47,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:13:47,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:13:47,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:13:47,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:13:47,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:13:47,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:13:47,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:13:47,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:13:47,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:13:47,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:13:47,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:13:47,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:13:47,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:13:47,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:13:47,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:13:47,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:13:47,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:13:47,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:13:47,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:13:47,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:13:47,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:13:47,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:13:47,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:13:47,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:13:47,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:13:47,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:13:47,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:13:47,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:13:47,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:13:47,662 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:13:47,663 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:13:47,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl [2019-08-05 18:13:47,664 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl' [2019-08-05 18:13:47,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:13:47,709 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:13:47,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:13:47,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:13:47,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:13:47,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (1/1) ... [2019-08-05 18:13:47,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:13:47,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:13:47,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:13:47,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:13:47,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:47" (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 18:13:47,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:13:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:13:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:13:48,099 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:13:48,099 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:13:48,101 INFO L202 PluginConnector]: Adding new model reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:48 BoogieIcfgContainer [2019-08-05 18:13:48,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:13:48,102 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:13:48,102 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:13:48,102 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:13:48,103 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:48" (1/1) ... [2019-08-05 18:13:48,115 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:13:48,120 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:13:48,132 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:13:48,142 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:13:48,144 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:13:48,291 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:13:48,291 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:13:48,300 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (not (= |ULTIMATE.start_read~int_#value| 0)) (= |ULTIMATE.start_read~int_#ptr.offset| (+ ULTIMATE.start_main_~arr~0.offset (* 4 ULTIMATE.start_main_~i~0))) (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|))) (exists ((|v_ULTIMATE.start_read~int_#ptr.base_6| Int) (|v_ULTIMATE.start_read~int_#sizeOfReadType_6| Int) (|v_ULTIMATE.start_read~int_#ptr.offset_6| Int)) (and (<= 0 |v_ULTIMATE.start_read~int_#ptr.offset_6|) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |v_ULTIMATE.start_read~int_#ptr.base_6|) |v_ULTIMATE.start_read~int_#ptr.offset_6|)) (= 1 (select |#valid| |v_ULTIMATE.start_read~int_#ptr.base_6|)) (<= (+ |v_ULTIMATE.start_read~int_#sizeOfReadType_6| |v_ULTIMATE.start_read~int_#ptr.offset_6|) (select |#length| |v_ULTIMATE.start_read~int_#ptr.base_6|)) (or (and (= |#NULL.base| 0) (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_6|) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)) (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_6|)))) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (= ULTIMATE.start_main_~arr~0.base |ULTIMATE.start_read~int_#ptr.base|) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~length~0)) [2019-08-05 18:13:48,302 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:13:48,326 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:13:48,332 INFO L168 Benchmark]: Toolchain (without parser) took 619.13 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 89.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:48,336 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:13:48,338 INFO L168 Benchmark]: Boogie Preprocessor took 44.83 ms. Allocated memory is still 134.7 MB. Free memory was 110.8 MB in the beginning and 108.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:48,339 INFO L168 Benchmark]: RCFGBuilder took 346.99 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 96.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:48,340 INFO L168 Benchmark]: Symbolic Interpretation took 224.24 ms. Allocated memory is still 134.7 MB. Free memory was 96.7 MB in the beginning and 89.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:48,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 104]: 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 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.83 ms. Allocated memory is still 134.7 MB. Free memory was 110.8 MB in the beginning and 108.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.99 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 96.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 224.24 ms. Allocated memory is still 134.7 MB. Free memory was 96.7 MB in the beginning and 89.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...