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-b8c145f [2019-08-05 12:03:04,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:03:04,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:03:04,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:03:04,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:03:04,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:03:04,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:03:04,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:03:04,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:03:04,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:03:04,534 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:03:04,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:03:04,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:03:04,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:03:04,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:03:04,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:03:04,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:03:04,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:03:04,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:03:04,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:03:04,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:03:04,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:03:04,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:03:04,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:03:04,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:03:04,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:03:04,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:03:04,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:03:04,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:03:04,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:03:04,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:03:04,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:03:04,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:03:04,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:03:04,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:03:04,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:03:04,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:03:04,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:03:04,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:03:04,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:03:04,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:03:04,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:03:04,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:03:04,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:03:04,643 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:03:04,644 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:03:04,645 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl [2019-08-05 12:03:04,645 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis_unsafe_false-valid-deref.i_11.bpl' [2019-08-05 12:03:04,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:03:04,702 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:03:04,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:03:04,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:03:04,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:03:04,727 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,729 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,741 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,741 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,748 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,751 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,752 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 12:03:04" (1/1) ... [2019-08-05 12:03:04,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:03:04,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:03:04,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:03:04,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:03:04,757 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 12:03:04" (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 12:03:04,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:03:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:03:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:03:05,149 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:03:05,150 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:03:05,151 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 12:03:05 BoogieIcfgContainer [2019-08-05 12:03:05,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:03:05,152 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:03:05,152 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:03:05,152 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:03:05,154 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 12:03:05" (1/1) ... [2019-08-05 12:03:05,164 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:03:05,166 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:03:05,173 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 12:03:05,184 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:03:05,186 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 12:03:06,396 WARN L188 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-08-05 12:03:07,468 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 111 [2019-08-05 12:03:07,611 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2019-08-05 12:03:08,406 WARN L188 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-08-05 12:03:08,554 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-08-05 12:03:08,765 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-08-05 12:03:08,766 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:03:08,766 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:03:08,769 INFO L178 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))) (= (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 12:03:08,779 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:03:08,782 INFO L168 Benchmark]: Toolchain (without parser) took 4079.25 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 112.3 MB in the beginning and 111.7 MB in the end (delta: 532.9 kB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:03:08,785 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 113.9 MB in the beginning and 113.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:03:08,786 INFO L168 Benchmark]: Boogie Preprocessor took 52.08 ms. Allocated memory is still 135.3 MB. Free memory was 112.3 MB in the beginning and 110.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:03:08,787 INFO L168 Benchmark]: RCFGBuilder took 396.18 ms. Allocated memory is still 135.3 MB. Free memory was 110.1 MB in the beginning and 96.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:03:08,788 INFO L168 Benchmark]: Symbolic Interpretation took 3627.99 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 96.8 MB in the beginning and 111.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:03:08,795 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 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 113.9 MB in the beginning and 113.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.08 ms. Allocated memory is still 135.3 MB. Free memory was 112.3 MB in the beginning and 110.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.18 ms. Allocated memory is still 135.3 MB. Free memory was 110.1 MB in the beginning and 96.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3627.99 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 96.8 MB in the beginning and 111.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...