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/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:28,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:28,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:28,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:28,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:28,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:28,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:28,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:28,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:28,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:28,403 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:28,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:28,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:28,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:28,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:28,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:28,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:28,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:28,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:28,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:28,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:28,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:28,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:28,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:28,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:28,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:28,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:28,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:28,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:28,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:28,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:28,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:28,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:28,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:28,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:28,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:28,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:28,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:28,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:28,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:28,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:28,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:28,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:28,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:28,476 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:28,476 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:28,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl [2019-08-04 21:58:28,477 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl' [2019-08-04 21:58:28,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:28,518 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:28,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:28,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:28,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:28,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:28,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:28,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:28,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:28,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:28" (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 [2019-08-04 21:58:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:58:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:58:28,952 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:58:28,952 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:28,955 INFO L202 PluginConnector]: Adding new model veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:28 BoogieIcfgContainer [2019-08-04 21:58:28,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:28,955 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:28,955 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:28,956 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:28,960 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:28" (1/1) ... [2019-08-04 21:58:28,974 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:28,977 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:28,989 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:58:28,998 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:29,000 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:58:30,257 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-08-04 21:58:31,057 WARN L188 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-04 21:58:31,933 WARN L188 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-08-04 21:58:33,034 WARN L188 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2019-08-04 21:58:33,154 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:33,155 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:33,158 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (and (= ULTIMATE.start_glob2_~p~4.base ~tmp.base) (<= ULTIMATE.start_glob2_~p~4.offset ~tmp.offset)) 1 0)) (<= ULTIMATE.start_glob2_~p~4.offset ULTIMATE.start_glob2_~pathlim.offset) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (not (= (ite (and (= |ULTIMATE.start_write~int_#ptr.base| ~tmp.base) (<= |ULTIMATE.start_write~int_#ptr.offset| ~tmp.offset)) 1 0) 0)) (= |ULTIMATE.start_write~int_#value| 1) (= (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|) (= (+ |ULTIMATE.start_write~int_#ptr.offset| 4) ULTIMATE.start_glob2_~p~4.offset) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_glob2_~pathlim.base |ULTIMATE.start_write~int_#ptr.base|) (= ULTIMATE.start_glob2_~p~4.base |ULTIMATE.start_write~int_#ptr.base|)) [2019-08-04 21:58:33,165 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:33,168 INFO L168 Benchmark]: Toolchain (without parser) took 4648.79 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 110.8 MB in the beginning and 178.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 117.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,169 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,170 INFO L168 Benchmark]: Boogie Preprocessor took 45.95 ms. Allocated memory is still 137.4 MB. Free memory was 110.8 MB in the beginning and 108.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,171 INFO L168 Benchmark]: RCFGBuilder took 389.65 ms. Allocated memory is still 137.4 MB. Free memory was 108.6 MB in the beginning and 96.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,173 INFO L168 Benchmark]: Symbolic Interpretation took 4209.93 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 96.7 MB in the beginning and 178.2 MB in the end (delta: -81.5 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 82]: 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 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.95 ms. Allocated memory is still 137.4 MB. Free memory was 110.8 MB in the beginning and 108.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.65 ms. Allocated memory is still 137.4 MB. Free memory was 108.6 MB in the beginning and 96.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4209.93 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 96.7 MB in the beginning and 178.2 MB in the end (delta: -81.5 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...