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-b8c145f [2019-08-04 21:58:28,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:28,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:29,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:29,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:29,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:29,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:29,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:29,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:29,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:29,019 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:29,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:29,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:29,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:29,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:29,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:29,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:29,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:29,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:29,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:29,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:29,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:29,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:29,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:29,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:29,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:29,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:29,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:29,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:29,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:29,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:29,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:29,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:29,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:29,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:29,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:29,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:29,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:29,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:29,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:29,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:29,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:29,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:29,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:29,096 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:29,097 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:29,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl [2019-08-04 21:58:29,098 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl' [2019-08-04 21:58:29,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:29,153 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:29,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:29,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:29,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:29,179 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,181 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,194 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,195 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,202 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,205 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,206 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:29,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:29,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:29,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:29,219 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 04.08 09:58:29" (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 21:58:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:58:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:58:29,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:58:29,572 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:29,574 INFO L202 PluginConnector]: Adding new model verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:29 BoogieIcfgContainer [2019-08-04 21:58:29,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:29,574 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:29,575 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:29,575 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:29,577 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 04.08 09:58:29" (1/1) ... [2019-08-04 21:58:29,589 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:29,592 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:29,599 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:58:29,608 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:29,610 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:58:30,856 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-08-04 21:58:31,656 WARN L188 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-04 21:58:32,534 WARN L188 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-08-04 21:58:33,613 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2019-08-04 21:58:33,892 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-08-04 21:58:33,893 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:33,893 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:33,897 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 21:58:33,905 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:33,908 INFO L168 Benchmark]: Toolchain (without parser) took 4754.57 ms. Allocated memory was 135.8 MB in the beginning and 224.9 MB in the end (delta: 89.1 MB). Free memory was 113.0 MB in the beginning and 168.3 MB in the end (delta: -55.3 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,909 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 135.8 MB. Free memory was 114.5 MB in the beginning and 114.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,910 INFO L168 Benchmark]: Boogie Preprocessor took 63.42 ms. Allocated memory is still 135.8 MB. Free memory was 113.0 MB in the beginning and 110.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,911 INFO L168 Benchmark]: RCFGBuilder took 356.91 ms. Allocated memory is still 135.8 MB. Free memory was 110.8 MB in the beginning and 98.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,912 INFO L168 Benchmark]: Symbolic Interpretation took 4331.02 ms. Allocated memory was 135.8 MB in the beginning and 224.9 MB in the end (delta: 89.1 MB). Free memory was 98.9 MB in the beginning and 168.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 105.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:33,916 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 0.31 ms. Allocated memory is still 135.8 MB. Free memory was 114.5 MB in the beginning and 114.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.42 ms. Allocated memory is still 135.8 MB. Free memory was 113.0 MB in the beginning and 110.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.91 ms. Allocated memory is still 135.8 MB. Free memory was 110.8 MB in the beginning and 98.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4331.02 ms. Allocated memory was 135.8 MB in the beginning and 224.9 MB in the end (delta: 89.1 MB). Free memory was 98.9 MB in the beginning and 168.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 105.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...