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/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:57,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:57,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:57,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:57,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:57,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:57,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:57,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:57,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:57,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:57,417 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:57,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:57,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:57,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:57,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:57,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:57,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:57,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:57,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:57,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:57,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:57,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:57,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:57,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:57,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:57,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:57,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:57,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:57,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:57,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:57,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:57,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:57,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:57,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:57,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:57,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:57,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:57,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:57,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:57,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:57,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:57,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:57,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:57,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:57,519 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:57,520 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:57,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2019-08-09 14:14:57,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl' [2019-08-09 14:14:57,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:57,555 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:57,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:57,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:57,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:57,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:57,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:57,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:57,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:57,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:57" (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 14:14:57,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:14:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:14:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:14:57,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:14:57,814 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:57,815 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:57 BoogieIcfgContainer [2019-08-09 14:14:57,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:57,816 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:57,816 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:57,816 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:57,817 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:57" (1/1) ... [2019-08-09 14:14:57,983 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:57,991 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:57,994 INFO L168 Benchmark]: Toolchain (without parser) took 438.03 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 93.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:57,997 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:57,998 INFO L168 Benchmark]: Boogie Preprocessor took 39.31 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:58,000 INFO L168 Benchmark]: RCFGBuilder took 220.79 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 98.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:58,002 INFO L168 Benchmark]: Symbolic Interpretation took 175.13 ms. Allocated memory is still 133.7 MB. Free memory was 98.0 MB in the beginning and 93.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:58,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 67]: 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 10#(and (= (+ (* 255 |ULTIMATE.start_gcd_test_#in~a|) 256) ULTIMATE.start_gcd_test_~a) (= ULTIMATE.start_main_~y~7 |ULTIMATE.start_gcd_test_#in~b|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_gcd_test_~b 0) (<= 0 (+ ULTIMATE.start_main_~x~7 128)) (<= 0 (+ |ULTIMATE.start_gcd_test_#res| 128)) (= ULTIMATE.start_main_~x~7 |ULTIMATE.start_gcd_test_#in~a|) (not (<= ULTIMATE.start_main_~g~7 ULTIMATE.start_main_~y~7)) (<= 0 (+ (* 255 |ULTIMATE.start_gcd_test_#in~a|) 256)) (= |ULTIMATE.start_gcd_test_#res| ULTIMATE.start_main_~g~7) (= |ULTIMATE.start_gcd_test_#res| ULTIMATE.start_gcd_test_~a) (<= ULTIMATE.start_main_~y~7 127) (<= |ULTIMATE.start_gcd_test_#res| 127) (< 0 ULTIMATE.start_main_~y~7) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (< ULTIMATE.start_gcd_test_~b 0)) (< |ULTIMATE.start_gcd_test_#in~a| 0) (<= 0 (+ ULTIMATE.start_main_~y~7 128)) (< (* 255 |ULTIMATE.start_gcd_test_#in~a|) 0) (= ULTIMATE.start_gcd_test_~b |ULTIMATE.start_gcd_test_#in~b|) (<= ULTIMATE.start_main_~x~7 127) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)). 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.31 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 220.79 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 98.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 175.13 ms. Allocated memory is still 133.7 MB. Free memory was 98.0 MB in the beginning and 93.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...