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/lis_unsafe_false-valid-deref.i_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:14:33,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:14:33,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:14:33,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:14:33,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:14:33,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:14:33,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:14:33,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:14:33,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:14:33,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:14:33,052 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:14:33,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:14:33,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:14:33,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:14:33,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:14:33,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:14:33,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:14:33,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:14:33,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:14:33,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:14:33,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:14:33,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:14:33,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:14:33,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:14:33,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:14:33,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:14:33,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:14:33,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:14:33,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:14:33,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:14:33,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:14:33,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:14:33,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:14:33,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:14:33,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:14:33,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:14:33,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:14:33,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:14:33,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:14:33,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:14:33,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:14:33,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:14:33,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:14:33,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:14:33,157 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:14:33,157 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:14:33,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl [2019-08-05 18:14:33,158 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl' [2019-08-05 18:14:33,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:14:33,216 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:14:33,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:14:33,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:14:33,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:14:33,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:14:33,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:14:33,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:14:33,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:14:33,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:14:33" (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 [2019-08-05 18:14:33,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:14:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:14:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:14:33,639 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:14:33,639 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:14:33,640 INFO L202 PluginConnector]: Adding new model lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:33 BoogieIcfgContainer [2019-08-05 18:14:33,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:14:33,641 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:14:33,641 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:14:33,642 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:14:33,643 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "lis_unsafe_false-valid-deref.i_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:14:33" (1/1) ... [2019-08-05 18:14:33,655 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:14:33,657 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:14:33,664 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:14:33,672 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:14:33,674 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:14:33,801 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:14:33,801 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:14:33,804 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= ULTIMATE.start_lis_~a.base |ULTIMATE.start_read~int_#ptr.base|) (not (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|))) (= |ULTIMATE.start_read~int_#ptr.offset| (+ ULTIMATE.start_lis_~a.offset (* 4 ULTIMATE.start_lis_~i~0))) (< ULTIMATE.start_lis_~j~0 ULTIMATE.start_lis_~i~0) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (< |ULTIMATE.start_write~int_#value| ULTIMATE.start_lis_~N) (= 1 (select |#valid| ULTIMATE.start_lis_~best~0.base)) (<= (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset 4) (select |#length| ULTIMATE.start_lis_~best~0.base)) (= (store |ULTIMATE.start_write~int_old_#memory_int| |ULTIMATE.start_write~int_#ptr.base| (store (select |ULTIMATE.start_write~int_old_#memory_int| |ULTIMATE.start_write~int_#ptr.base|) |ULTIMATE.start_write~int_#ptr.offset| |ULTIMATE.start_write~int_#value|)) |#memory_int|) (= (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~prev~0.offset) |ULTIMATE.start_write~int_#ptr.offset|) (exists ((|v_#memory_int_6| (Array Int (Array Int Int)))) (= |ULTIMATE.start_write~int_old_#memory_int| (store |v_#memory_int_6| ULTIMATE.start_lis_~best~0.base (store (select |v_#memory_int_6| ULTIMATE.start_lis_~best~0.base) (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset) 1)))) (< ULTIMATE.start_lis_~i~0 ULTIMATE.start_lis_~N) (<= ULTIMATE.start_lis_~N (+ |ULTIMATE.start_write~int_#value| 1)) (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= ULTIMATE.start_lis_~j~0 0) (= ULTIMATE.start_lis_~prev~0.base |ULTIMATE.start_write~int_#ptr.base|) (= ULTIMATE.start_lis_~i~0 1) (<= 0 (+ (* 4 |ULTIMATE.start_write~int_#value|) ULTIMATE.start_lis_~best~0.offset)) (<= 0 |ULTIMATE.start_write~int_#ptr.offset|)) [2019-08-05 18:14:33,806 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:14:33,814 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:14:33,817 INFO L168 Benchmark]: Toolchain (without parser) took 600.15 ms. Allocated memory is still 133.7 MB. Free memory was 109.8 MB in the beginning and 86.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:33,818 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:14:33,820 INFO L168 Benchmark]: Boogie Preprocessor took 49.71 ms. Allocated memory is still 133.7 MB. Free memory was 109.8 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:33,821 INFO L168 Benchmark]: RCFGBuilder took 374.32 ms. Allocated memory is still 133.7 MB. Free memory was 107.5 MB in the beginning and 94.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:33,822 INFO L168 Benchmark]: Symbolic Interpretation took 172.99 ms. Allocated memory is still 133.7 MB. Free memory was 94.3 MB in the beginning and 86.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:14:33,827 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 145]: 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.71 ms. Allocated memory is still 133.7 MB. Free memory was 109.8 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.32 ms. Allocated memory is still 133.7 MB. Free memory was 107.5 MB in the beginning and 94.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 172.99 ms. Allocated memory is still 133.7 MB. Free memory was 94.3 MB in the beginning and 86.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...