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/960521-1_false-valid-deref.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:15:45,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:15:45,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:15:45,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:15:45,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:15:45,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:15:45,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:15:45,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:15:45,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:15:45,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:15:45,465 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:15:45,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:15:45,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:15:45,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:15:45,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:15:45,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:15:45,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:15:45,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:15:45,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:15:45,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:15:45,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:15:45,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:15:45,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:15:45,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:15:45,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:15:45,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:15:45,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:15:45,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:15:45,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:15:45,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:15:45,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:15:45,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:15:45,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:15:45,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:15:45,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:15:45,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:15:45,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:15:45,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:15:45,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:15:45,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:15:45,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:15:45,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:15:45,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:15:45,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:15:45,540 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:15:45,542 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:15:45,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_false-valid-deref.i_5.bpl [2019-08-09 14:15:45,543 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_false-valid-deref.i_5.bpl' [2019-08-09 14:15:45,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:15:45,606 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:15:45,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:15:45,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:15:45,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:15:45,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (1/1) ... [2019-08-09 14:15:45,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:15:45,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:15:45,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:15:45,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:15:45,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:45" (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 [2019-08-09 14:15:45,743 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:15:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:15:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:15:46,003 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:15:46,003 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:15:46,004 INFO L202 PluginConnector]: Adding new model 960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:46 BoogieIcfgContainer [2019-08-09 14:15:46,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:15:46,005 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:15:46,005 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:15:46,006 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:15:46,006 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:46" (1/1) ... [2019-08-09 14:15:46,552 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-08-09 14:15:46,782 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-08-09 14:15:46,993 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-08-09 14:15:47,255 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-08-09 14:15:47,996 WARN L188 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-08-09 14:15:48,553 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-08-09 14:15:48,630 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:15:48,637 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:15:48,639 INFO L168 Benchmark]: Toolchain (without parser) took 3032.98 ms. Allocated memory was 133.2 MB in the beginning and 237.5 MB in the end (delta: 104.3 MB). Free memory was 109.5 MB in the beginning and 134.6 MB in the end (delta: -25.2 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:48,640 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.9 MB in the beginning and 110.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:15:48,641 INFO L168 Benchmark]: Boogie Preprocessor took 63.73 ms. Allocated memory is still 133.2 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:48,642 INFO L168 Benchmark]: RCFGBuilder took 333.70 ms. Allocated memory is still 133.2 MB. Free memory was 107.1 MB in the beginning and 94.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:48,643 INFO L168 Benchmark]: Symbolic Interpretation took 2632.43 ms. Allocated memory was 133.2 MB in the beginning and 237.5 MB in the end (delta: 104.3 MB). Free memory was 94.5 MB in the beginning and 134.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:48,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 116]: 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. Predicate is 28#(and (= |#NULL.base| 0) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| (- 1)) (or (not (<= 0 |ULTIMATE.start_write~int_#ptr.offset|)) (not (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)))) (= ~n~0 128) (= |ULTIMATE.start_main_#t~malloc2.offset| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.9 MB in the beginning and 110.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.73 ms. Allocated memory is still 133.2 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.70 ms. Allocated memory is still 133.2 MB. Free memory was 107.1 MB in the beginning and 94.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2632.43 ms. Allocated memory was 133.2 MB in the beginning and 237.5 MB in the end (delta: 104.3 MB). Free memory was 94.5 MB in the beginning and 134.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...