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 [2019-08-05 11:43:40,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:43:40,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:43:40,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:43:40,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:43:40,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:43:40,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:43:40,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:43:40,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:43:40,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:43:40,628 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:43:40,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:43:40,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:43:40,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:43:40,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:43:40,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:43:40,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:43:40,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:43:40,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:43:40,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:43:40,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:43:40,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:43:40,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:43:40,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:43:40,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:43:40,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:43:40,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:43:40,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:43:40,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:43:40,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:43:40,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:43:40,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:43:40,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:43:40,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:43:40,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:43:40,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:43:40,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:43:40,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:43:40,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:43:40,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:43:40,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:43:40,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:43:40,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:43:40,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:43:40,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:43:40,719 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:43:40,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl [2019-08-05 11:43:40,720 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl' [2019-08-05 11:43:40,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:43:40,779 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:43:40,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:43:40,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:43:40,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:43:40,805 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,807 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,818 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,819 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,823 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,825 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,826 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 05.08 11:43:40" (1/1) ... [2019-08-05 11:43:40,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:43:40,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:43:40,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:43:40,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:43:40,832 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 05.08 11:43:40" (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 11:43:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:43:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:43:41,201 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:43:41,202 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:43:41,203 INFO L202 PluginConnector]: Adding new model verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:43:41 BoogieIcfgContainer [2019-08-05 11:43:41,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:43:41,203 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:43:41,204 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:43:41,204 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:43:41,205 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 05.08 11:43:41" (1/1) ... [2019-08-05 11:43:41,218 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:43:41,223 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:43:41,232 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:43:41,240 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:43:41,242 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:43:42,193 WARN L188 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-08-05 11:43:43,104 WARN L188 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-05 11:43:43,948 WARN L188 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-08-05 11:43:45,001 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2019-08-05 11:43:45,212 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-08-05 11:43:45,212 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:43:45,212 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:43:45,215 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|)) [2019-08-05 11:43:45,223 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:43:45,226 INFO L168 Benchmark]: Toolchain (without parser) took 4445.38 ms. Allocated memory was 136.8 MB in the beginning and 235.4 MB in the end (delta: 98.6 MB). Free memory was 109.2 MB in the beginning and 178.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:45,227 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:43:45,228 INFO L168 Benchmark]: Boogie Preprocessor took 48.10 ms. Allocated memory is still 136.8 MB. Free memory was 109.2 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:45,229 INFO L168 Benchmark]: RCFGBuilder took 374.87 ms. Allocated memory is still 136.8 MB. Free memory was 107.0 MB in the beginning and 95.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:45,230 INFO L168 Benchmark]: Symbolic Interpretation took 4019.63 ms. Allocated memory was 136.8 MB in the beginning and 235.4 MB in the end (delta: 98.6 MB). Free memory was 95.1 MB in the beginning and 178.1 MB in the end (delta: -82.9 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:45,234 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 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.10 ms. Allocated memory is still 136.8 MB. Free memory was 109.2 MB in the beginning and 107.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.87 ms. Allocated memory is still 136.8 MB. Free memory was 107.0 MB in the beginning and 95.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4019.63 ms. Allocated memory was 136.8 MB in the beginning and 235.4 MB in the end (delta: 98.6 MB). Free memory was 95.1 MB in the beginning and 178.1 MB in the end (delta: -82.9 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...