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/regression/bpl/TestSequentialComposition.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:13,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:13,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:13,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:13,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:13,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:13,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:13,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:13,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:13,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:13,769 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:13,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:13,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:13,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:13,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:13,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:13,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:13,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:13,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:13,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:13,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:13,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:13,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:13,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:13,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:13,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:13,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:13,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:13,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:13,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:13,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:13,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:13,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:13,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:13,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:13,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:13,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:13,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:13,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:13,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:13,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:13,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:13,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:13,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:13,865 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:13,866 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:13,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialComposition.bpl [2019-08-06 16:58:13,867 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialComposition.bpl' [2019-08-06 16:58:13,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:13,922 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:13,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:13,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:13,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:13,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (1/1) ... [2019-08-06 16:58:13,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:13,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:13,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:13,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:13,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:13" (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 16:58:14,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-06 16:58:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:14,479 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:14,479 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-06 16:58:14,481 INFO L202 PluginConnector]: Adding new model TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:14 BoogieIcfgContainer [2019-08-06 16:58:14,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:14,481 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:14,482 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:14,482 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:14,483 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:14" (1/1) ... [2019-08-06 16:58:14,494 INFO L148 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-08-06 16:58:14,497 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:14,508 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:58:14,516 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:14,517 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:58:14,606 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:14,606 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:14,609 INFO L179 IcfgInterpreter]: Location procErr11ASSERT_VIOLATIONASSERT has predicate 33#(and (not (= proc_y 11)) (= proc_y (+ proc_a 1)) (= proc_a 10)) [2019-08-06 16:58:14,609 INFO L179 IcfgInterpreter]: Location procErr15ASSERT_VIOLATIONASSERT has predicate 21#false [2019-08-06 16:58:14,610 INFO L179 IcfgInterpreter]: Location procErr5ASSERT_VIOLATIONASSERT has predicate 51#false [2019-08-06 16:58:14,610 INFO L179 IcfgInterpreter]: Location procErr6ASSERT_VIOLATIONASSERT has predicate 48#(and (not (= proc_y 0)) (= proc_a 0) (= proc_y proc_a)) [2019-08-06 16:58:14,610 INFO L179 IcfgInterpreter]: Location procErr9ASSERT_VIOLATIONASSERT has predicate 39#false [2019-08-06 16:58:14,611 INFO L179 IcfgInterpreter]: Location procErr14ASSERT_VIOLATIONASSERT has predicate 24#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-06 16:58:14,611 INFO L179 IcfgInterpreter]: Location procErr8ASSERT_VIOLATIONASSERT has predicate 42#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-06 16:58:14,611 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 66#false [2019-08-06 16:58:14,612 INFO L179 IcfgInterpreter]: Location procErr2ASSERT_VIOLATIONASSERT has predicate 60#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-06 16:58:14,612 INFO L179 IcfgInterpreter]: Location procErr3ASSERT_VIOLATIONASSERT has predicate 57#false [2019-08-06 16:58:14,612 INFO L179 IcfgInterpreter]: Location procErr1ASSERT_VIOLATIONASSERT has predicate 63#false [2019-08-06 16:58:14,613 INFO L179 IcfgInterpreter]: Location procErr10ASSERT_VIOLATIONASSERT has predicate 36#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-06 16:58:14,613 INFO L179 IcfgInterpreter]: Location procErr13ASSERT_VIOLATIONASSERT has predicate 27#false [2019-08-06 16:58:14,613 INFO L179 IcfgInterpreter]: Location procErr12ASSERT_VIOLATIONASSERT has predicate 30#false [2019-08-06 16:58:14,613 INFO L179 IcfgInterpreter]: Location procErr7ASSERT_VIOLATIONASSERT has predicate 45#false [2019-08-06 16:58:14,614 INFO L179 IcfgInterpreter]: Location procErr4ASSERT_VIOLATIONASSERT has predicate 54#false [2019-08-06 16:58:14,616 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:14,623 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:14,626 INFO L168 Benchmark]: Toolchain (without parser) took 702.85 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 86.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:14,627 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:14,628 INFO L168 Benchmark]: Boogie Preprocessor took 49.98 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:14,629 INFO L168 Benchmark]: RCFGBuilder took 507.78 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 92.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:14,630 INFO L168 Benchmark]: Symbolic Interpretation took 141.75 ms. Allocated memory is still 139.5 MB. Free memory was 92.7 MB in the beginning and 86.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:14,633 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 102]: 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: - PositiveResult [Line: 131]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 59]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 66]: 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: - PositiveResult [Line: 88]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 124]: 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: - UnprovableResult [Line: 81]: 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: - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 37]: 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: - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 30]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 95]: 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: - PositiveResult [Line: 117]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 110]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 73]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 52]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.98 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 507.78 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 92.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 141.75 ms. Allocated memory is still 139.5 MB. Free memory was 92.7 MB in the beginning and 86.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...