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 0.1.24-3b9210c [2019-08-06 16:56:03,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:03,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:03,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:03,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:03,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:03,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:03,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:03,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:03,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:03,528 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:03,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:03,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:03,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:03,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:03,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:03,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:03,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:03,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:03,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:03,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:03,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:03,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:03,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:03,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:03,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:03,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:03,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:03,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:03,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:03,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:03,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:03,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:03,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:03,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:03,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:03,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:03,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:03,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:03,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:03,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:03,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:03,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:03,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:03,602 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:03,602 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:03,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2019-08-06 16:56:03,604 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl' [2019-08-06 16:56:03,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:03,651 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:03,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:03,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:03,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:03,678 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,680 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,688 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,688 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,693 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,695 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,697 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 06.08 04:56:03" (1/1) ... [2019-08-06 16:56:03,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:03,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:03,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:03,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:03,704 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 06.08 04:56:03" (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 [2019-08-06 16:56:03,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:56:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:56:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:56:04,008 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:56:04,008 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:04,009 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:04 BoogieIcfgContainer [2019-08-06 16:56:04,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:04,010 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:04,010 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:04,010 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:04,013 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 06.08 04:56:04" (1/1) ... [2019-08-06 16:56:04,024 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:04,027 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:04,034 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:56:04,041 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:04,043 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:56:04,113 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:04,114 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:04,117 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= ULTIMATE.start_main_~y~7 |ULTIMATE.start_gcd_test_#in~b|) (= ULTIMATE.start_gcd_test_~t~5 ULTIMATE.start_gcd_test_~a) (<= 512 (mod (+ (* 255 |ULTIMATE.start_gcd_test_#in~a|) 256) ULTIMATE.start_gcd_test_~t~5)) (= (mod (mod (+ (* 255 |ULTIMATE.start_gcd_test_#in~a|) 256) ULTIMATE.start_gcd_test_~t~5) 256) ULTIMATE.start_gcd_test_~b) (= 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_gcd_test_~a) (<= ULTIMATE.start_main_~y~7 127) (<= |ULTIMATE.start_gcd_test_#res| 127) (< 0 ULTIMATE.start_main_~y~7) (<= 512 (+ (mod (+ (* 255 |ULTIMATE.start_gcd_test_#in~a|) 256) ULTIMATE.start_gcd_test_~t~5) ULTIMATE.start_gcd_test_~t~5)) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (<= (mod (mod (+ (* 255 |ULTIMATE.start_gcd_test_#in~a|) 256) ULTIMATE.start_gcd_test_~t~5) 256) 127) (not (= ULTIMATE.start_gcd_test_~t~5 0)) (= ULTIMATE.start_gcd_test_~b 0) (<= 0 (+ ULTIMATE.start_main_~x~7 128)) (<= 0 (+ |ULTIMATE.start_gcd_test_#res| 128)) (= |ULTIMATE.start_gcd_test_#res| ULTIMATE.start_main_~g~7) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (< |ULTIMATE.start_gcd_test_#in~a| 0) (<= 0 ULTIMATE.start_gcd_test_~t~5) (<= 0 (+ ULTIMATE.start_main_~y~7 128)) (< (* 255 |ULTIMATE.start_gcd_test_#in~a|) 0) (= ULTIMATE.start_gcd_test_~t~5 |ULTIMATE.start_gcd_test_#in~b|) (<= ULTIMATE.start_main_~x~7 127)) [2019-08-06 16:56:04,118 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:04,127 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:04,130 INFO L168 Benchmark]: Toolchain (without parser) took 478.78 ms. Allocated memory is still 135.8 MB. Free memory was 112.1 MB in the beginning and 94.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:04,131 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 113.4 MB in the beginning and 113.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:04,132 INFO L168 Benchmark]: Boogie Preprocessor took 47.77 ms. Allocated memory is still 135.8 MB. Free memory was 111.9 MB in the beginning and 110.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:04,134 INFO L168 Benchmark]: RCFGBuilder took 309.70 ms. Allocated memory is still 135.8 MB. Free memory was 109.8 MB in the beginning and 99.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:04,135 INFO L168 Benchmark]: Symbolic Interpretation took 117.46 ms. Allocated memory is still 135.8 MB. Free memory was 99.6 MB in the beginning and 94.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:04,139 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.. 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 135.8 MB. Free memory was 113.4 MB in the beginning and 113.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.77 ms. Allocated memory is still 135.8 MB. Free memory was 111.9 MB in the beginning and 110.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.70 ms. Allocated memory is still 135.8 MB. Free memory was 109.8 MB in the beginning and 99.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 117.46 ms. Allocated memory is still 135.8 MB. Free memory was 99.6 MB in the beginning and 94.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...