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/sanfoundry_24_false-valid-deref.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:00:33,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:00:33,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:00:33,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:00:33,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:00:33,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:00:33,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:00:33,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:00:33,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:00:33,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:00:33,991 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:00:33,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:00:33,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:00:33,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:00:33,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:00:34,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:00:34,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:00:34,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:00:34,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:00:34,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:00:34,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:00:34,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:00:34,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:00:34,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:00:34,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:00:34,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:00:34,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:00:34,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:00:34,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:00:34,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:00:34,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:00:34,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:00:34,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:00:34,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:00:34,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:00:34,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:00:34,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:00:34,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:00:34,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:00:34,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:00:34,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:00:34,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:00:34,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:00:34,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:00:34,092 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:00:34,092 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:00:34,093 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl [2019-08-05 12:00:34,093 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sanfoundry_24_false-valid-deref.i_4.bpl' [2019-08-05 12:00:34,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:00:34,133 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:00:34,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:00:34,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:00:34,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:00:34,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:00:34,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:00:34,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:00:34,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:00:34,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:00:34" (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 12:00:34,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:00:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:00:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:00:34,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:00:34,694 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:00:34,695 INFO L202 PluginConnector]: Adding new model sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:00:34 BoogieIcfgContainer [2019-08-05 12:00:34,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:00:34,696 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:00:34,696 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:00:34,696 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:00:34,699 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "sanfoundry_24_false-valid-deref.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:00:34" (1/1) ... [2019-08-05 12:00:34,710 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:00:34,713 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:00:34,721 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 12:00:34,731 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:00:34,733 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 12:00:35,294 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-08-05 12:00:35,996 WARN L188 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-05 12:00:36,959 WARN L188 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-08-05 12:00:37,598 WARN L188 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-08-05 12:00:38,518 WARN L188 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-08-05 12:00:39,216 WARN L188 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2019-08-05 12:00:39,905 WARN L188 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2019-08-05 12:00:40,854 WARN L188 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 128 [2019-08-05 12:00:40,993 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:00:40,994 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:00:40,997 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 39#(and (<= 4 (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0))) (= |ULTIMATE.start_main_~#array~0.base| |ULTIMATE.start_read~int_#ptr.base|) (<= (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0)) (select |#length| |ULTIMATE.start_main_~#array~0.base|)) (not (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|))) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0) (- 4)))) (= |ULTIMATE.start_read~int_#ptr.offset| (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 ULTIMATE.start_main_~i~0))) (not (= (ite (and (< |ULTIMATE.start_read~int_#value| 0) (not (= 0 (mod |ULTIMATE.start_read~int_#value| 2)))) (+ (mod |ULTIMATE.start_read~int_#value| 2) (- 2)) (mod |ULTIMATE.start_read~int_#value| 2)) 0)) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~num~0)) [2019-08-05 12:00:41,007 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:00:41,009 INFO L168 Benchmark]: Toolchain (without parser) took 6876.01 ms. Allocated memory was 140.0 MB in the beginning and 243.3 MB in the end (delta: 103.3 MB). Free memory was 109.1 MB in the beginning and 76.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 138.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:00:41,010 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:00:41,012 INFO L168 Benchmark]: Boogie Preprocessor took 55.87 ms. Allocated memory is still 140.0 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:00:41,013 INFO L168 Benchmark]: RCFGBuilder took 505.64 ms. Allocated memory is still 140.0 MB. Free memory was 107.0 MB in the beginning and 95.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:00:41,014 INFO L168 Benchmark]: Symbolic Interpretation took 6311.00 ms. Allocated memory was 140.0 MB in the beginning and 243.3 MB in the end (delta: 103.3 MB). Free memory was 95.6 MB in the beginning and 76.5 MB in the end (delta: 19.2 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:00:41,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 83]: 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 0.18 ms. Allocated memory is still 140.0 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.87 ms. Allocated memory is still 140.0 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 505.64 ms. Allocated memory is still 140.0 MB. Free memory was 107.0 MB in the beginning and 95.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6311.00 ms. Allocated memory was 140.0 MB in the beginning and 243.3 MB in the end (delta: 103.3 MB). Free memory was 95.6 MB in the beginning and 76.5 MB in the end (delta: 19.2 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...