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-b03553c [2019-08-05 18:13:09,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:13:09,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:13:09,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:13:09,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:13:09,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:13:09,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:13:09,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:13:09,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:13:09,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:13:09,565 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:13:09,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:13:09,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:13:09,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:13:09,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:13:09,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:13:09,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:13:09,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:13:09,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:13:09,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:13:09,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:13:09,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:13:09,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:13:09,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:13:09,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:13:09,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:13:09,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:13:09,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:13:09,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:13:09,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:13:09,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:13:09,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:13:09,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:13:09,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:13:09,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:13:09,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:13:09,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:13:09,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:13:09,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:13:09,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:13:09,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:13:09,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:13:09,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:13:09,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:13:09,668 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:13:09,669 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:13:09,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2019-08-05 18:13:09,670 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl' [2019-08-05 18:13:09,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:13:09,710 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:13:09,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:13:09,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:13:09,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:13:09,735 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,737 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,745 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,745 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,749 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,751 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,752 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:09,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:13:09,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:13:09,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:13:09,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:13:09,756 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 05.08 06:13:09" (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 18:13:09,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:13:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:13:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:13:09,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:13:09,998 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:13:09,999 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:09 BoogieIcfgContainer [2019-08-05 18:13:09,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:13:09,999 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:13:10,000 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:13:10,000 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:13:10,001 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 05.08 06:13:09" (1/1) ... [2019-08-05 18:13:10,012 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:13:10,014 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:13:10,021 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:13:10,029 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:13:10,031 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:13:10,101 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:13:10,101 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:13:10,105 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)) [2019-08-05 18:13:10,110 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:13:10,123 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:13:10,127 INFO L168 Benchmark]: Toolchain (without parser) took 415.68 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 90.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:10,129 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:13:10,131 INFO L168 Benchmark]: Boogie Preprocessor took 44.09 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:10,133 INFO L168 Benchmark]: RCFGBuilder took 244.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 95.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:10,134 INFO L168 Benchmark]: Symbolic Interpretation took 124.16 ms. Allocated memory is still 139.5 MB. Free memory was 95.3 MB in the beginning and 90.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:10,138 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 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.09 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 244.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 95.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 124.16 ms. Allocated memory is still 139.5 MB. Free memory was 95.3 MB in the beginning and 90.4 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...