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/verisec_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:19,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:19,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:19,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:19,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:19,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:19,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:19,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:19,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:19,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:19,999 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:20,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:20,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:20,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:20,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:20,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:20,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:20,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:20,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:20,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:20,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:20,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:20,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:20,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:20,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:20,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:20,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:20,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:20,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:20,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:20,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:20,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:20,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:20,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:20,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:20,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:20,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:20,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:20,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:20,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:20,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:20,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:20,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:20,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:20,069 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:20,069 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:20,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl [2019-08-09 14:10:20,070 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl' [2019-08-09 14:10:20,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:20,113 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:20,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:20,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:20,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:20,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:20,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:20,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:20,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:20,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:20" (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 14:10:20,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:20,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:20,411 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:20,411 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:20,413 INFO L202 PluginConnector]: Adding new model verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:20 BoogieIcfgContainer [2019-08-09 14:10:20,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:20,413 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:20,414 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:20,414 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:20,415 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:20" (1/1) ... [2019-08-09 14:10:20,806 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-09 14:10:21,000 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:10:21,026 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:10:21,888 WARN L188 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-08-09 14:10:21,907 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:21,914 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:21,916 INFO L168 Benchmark]: Toolchain (without parser) took 1802.97 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 104.4 MB in the beginning and 161.8 MB in the end (delta: -57.4 MB). Peak memory consumption was 100.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:21,917 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:21,918 INFO L168 Benchmark]: Boogie Preprocessor took 41.90 ms. Allocated memory is still 136.3 MB. Free memory was 104.4 MB in the beginning and 102.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:21,919 INFO L168 Benchmark]: RCFGBuilder took 257.21 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 90.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:21,920 INFO L168 Benchmark]: Symbolic Interpretation took 1500.64 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.3 MB in the beginning and 161.8 MB in the end (delta: -71.5 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:21,925 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. Predicate is 28#(and (= |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) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (= |#NULL.base| 0) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 8) (= |ULTIMATE.start_write~int_#value| 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)) (and (= |#NULL.base| 0) (= |ULTIMATE.start_#Ultimate.alloc_~size| 8) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))) (= ULTIMATE.start_glob2_~p~4.base ULTIMATE.start_glob2_~pathlim.base)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.90 ms. Allocated memory is still 136.3 MB. Free memory was 104.4 MB in the beginning and 102.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 257.21 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 90.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1500.64 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.3 MB in the beginning and 161.8 MB in the end (delta: -71.5 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...