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 0.1.24-3b9210c [2019-08-06 16:56:40,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:40,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:40,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:40,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:40,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:40,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:40,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:40,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:40,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:40,806 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:40,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:40,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:40,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:40,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:40,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:40,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:40,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:40,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:40,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:40,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:40,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:40,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:40,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:40,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:40,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:40,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:40,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:40,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:40,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:40,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:40,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:40,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:40,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:40,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:40,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:40,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:40,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:40,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:40,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:40,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:40,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:40,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:40,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:40,888 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:40,889 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:40,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl [2019-08-06 16:56:40,890 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl' [2019-08-06 16:56:40,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:40,943 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:40,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:40,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:40,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:40,973 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:40,975 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:40,989 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:40,989 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:40,996 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:41,000 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:41,001 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 06.08 04:56:40" (1/1) ... [2019-08-06 16:56:41,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:41,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:41,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:41,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:41,007 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 06.08 04:56:40" (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 [2019-08-06 16:56:41,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:56:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:56:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:56:41,327 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:56:41,327 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:41,329 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 06.08 04:56:41 BoogieIcfgContainer [2019-08-06 16:56:41,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:41,330 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:41,330 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:41,331 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:41,331 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 06.08 04:56:41" (1/1) ... [2019-08-06 16:56:41,344 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:41,346 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:41,355 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:56:41,373 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:41,375 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:56:41,511 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:41,511 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:41,514 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)) [2019-08-06 16:56:41,515 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:41,523 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:41,527 INFO L168 Benchmark]: Toolchain (without parser) took 582.96 ms. Allocated memory is still 133.2 MB. Free memory was 109.4 MB in the beginning and 88.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:41,528 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:41,530 INFO L168 Benchmark]: Boogie Preprocessor took 60.94 ms. Allocated memory is still 133.2 MB. Free memory was 109.2 MB in the beginning and 107.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:41,531 INFO L168 Benchmark]: RCFGBuilder took 324.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 95.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:41,533 INFO L168 Benchmark]: Symbolic Interpretation took 193.65 ms. Allocated memory is still 133.2 MB. Free memory was 95.1 MB in the beginning and 88.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:41,538 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 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.94 ms. Allocated memory is still 133.2 MB. Free memory was 109.2 MB in the beginning and 107.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 95.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 193.65 ms. Allocated memory is still 133.2 MB. Free memory was 95.1 MB in the beginning and 88.1 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...