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-b8c145f [2019-08-05 11:55:22,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:55:22,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:55:22,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:55:22,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:55:22,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:55:22,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:55:22,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:55:22,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:55:22,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:55:22,933 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:55:22,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:55:22,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:55:22,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:55:22,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:55:22,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:55:22,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:55:22,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:55:22,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:55:22,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:55:22,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:55:22,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:55:22,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:55:22,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:55:22,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:55:22,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:55:22,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:55:22,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:55:22,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:55:22,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:55:22,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:55:22,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:55:22,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:55:22,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:55:22,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:55:22,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:55:22,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:55:22,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:55:22,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:55:22,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:55:22,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:55:23,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:55:23,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:55:23,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:55:23,028 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:55:23,029 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:55:23,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl [2019-08-05 11:55:23,030 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl' [2019-08-05 11:55:23,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:55:23,098 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:55:23,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:55:23,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:55:23,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:55:23,126 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,128 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,143 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,143 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,149 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,151 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,152 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:55:23,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:55:23,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:55:23,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:55:23,161 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 11:55:23" (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 11:55:23,234 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:55:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:55:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:55:23,459 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:55:23,460 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:55:23,461 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 11:55:23 BoogieIcfgContainer [2019-08-05 11:55:23,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:55:23,462 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:55:23,462 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:55:23,462 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:55:23,465 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 11:55:23" (1/1) ... [2019-08-05 11:55:23,476 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:55:23,478 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:55:23,485 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:55:23,494 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:55:23,495 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:55:24,447 WARN L188 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-08-05 11:55:25,685 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-08-05 11:55:26,235 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-08-05 11:55:26,415 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2019-08-05 11:56:50,787 WARN L188 SmtUtils]: Spent 1.41 m on a formula simplification that was a NOOP. DAG size: 144 [2019-08-05 11:56:50,861 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:56:50,862 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:56:50,865 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 33#(and (not (= |ULTIMATE.start_read~int_#value| 0)) (exists ((|v_ULTIMATE.start_read~int_#ptr.base_7| Int) (|v_ULTIMATE.start_read~int_#sizeOfReadType_7| Int) (|v_ULTIMATE.start_read~int_#ptr.offset_7| Int)) (and (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_7|)) (<= (+ |v_ULTIMATE.start_read~int_#sizeOfReadType_7| |v_ULTIMATE.start_read~int_#ptr.offset_7|) (select |#length| |v_ULTIMATE.start_read~int_#ptr.base_7|)) (<= 0 |v_ULTIMATE.start_read~int_#ptr.offset_7|) (= (select |#valid| |v_ULTIMATE.start_read~int_#ptr.base_7|) 1) (or (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_7|) (and (= |#NULL.base| 0) (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_7|) (= (+ ULTIMATE.start_main_~i~0 (- 1)) 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 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|))) (= |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 11:56:50,873 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:56:50,875 INFO L168 Benchmark]: Toolchain (without parser) took 87776.93 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 110.9 MB in the beginning and 147.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:56:50,876 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 11:56:50,878 INFO L168 Benchmark]: Boogie Preprocessor took 56.20 ms. Allocated memory is still 141.6 MB. Free memory was 110.7 MB in the beginning and 108.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:56:50,879 INFO L168 Benchmark]: RCFGBuilder took 306.52 ms. Allocated memory is still 141.6 MB. Free memory was 108.6 MB in the beginning and 96.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:56:50,880 INFO L168 Benchmark]: Symbolic Interpretation took 87411.17 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 96.6 MB in the beginning and 147.8 MB in the end (delta: -51.2 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:56:50,884 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 141.6 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.20 ms. Allocated memory is still 141.6 MB. Free memory was 110.7 MB in the beginning and 108.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.52 ms. Allocated memory is still 141.6 MB. Free memory was 108.6 MB in the beginning and 96.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 87411.17 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 96.6 MB in the beginning and 147.8 MB in the end (delta: -51.2 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...