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-b03553c [2019-08-05 18:15:23,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:23,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:23,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:23,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:23,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:23,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:23,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:23,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:23,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:23,218 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:23,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:23,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:23,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:23,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:23,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:23,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:23,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:23,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:23,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:23,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:23,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:23,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:23,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:23,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:23,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:23,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:23,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:23,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:23,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:23,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:23,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:23,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:23,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:23,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:23,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:23,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:23,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:23,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:23,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:23,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:23,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:23,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:23,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:23,291 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:23,292 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:23,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialComposition.bpl [2019-08-05 18:15:23,293 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialComposition.bpl' [2019-08-05 18:15:23,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:23,331 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:23,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:23,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:23,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:23,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:23,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:23,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:23,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:23,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (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 18:15:23,430 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-05 18:15:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 18:15:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 18:15:23,814 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:23,814 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-05 18:15:23,815 INFO L202 PluginConnector]: Adding new model TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:23 BoogieIcfgContainer [2019-08-05 18:15:23,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:23,816 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:23,816 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:23,816 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:23,817 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSequentialComposition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,828 INFO L148 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-08-05 18:15:23,831 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:23,839 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-05 18:15:23,847 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:23,848 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-05 18:15:23,921 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:23,921 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:23,924 INFO L179 IcfgInterpreter]: Location procErr13ASSERT_VIOLATIONASSERT has predicate 27#false [2019-08-05 18:15:23,925 INFO L179 IcfgInterpreter]: Location procErr6ASSERT_VIOLATIONASSERT has predicate 48#(and (not (= proc_y 0)) (= proc_a 0) (= proc_y proc_a)) [2019-08-05 18:15:23,925 INFO L179 IcfgInterpreter]: Location procErr10ASSERT_VIOLATIONASSERT has predicate 36#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-05 18:15:23,925 INFO L179 IcfgInterpreter]: Location procErr11ASSERT_VIOLATIONASSERT has predicate 33#(and (not (= proc_y 11)) (= proc_y (+ proc_a 1)) (= proc_a 10)) [2019-08-05 18:15:23,926 INFO L179 IcfgInterpreter]: Location procErr9ASSERT_VIOLATIONASSERT has predicate 39#false [2019-08-05 18:15:23,926 INFO L179 IcfgInterpreter]: Location procErr15ASSERT_VIOLATIONASSERT has predicate 21#false [2019-08-05 18:15:23,926 INFO L179 IcfgInterpreter]: Location procErr7ASSERT_VIOLATIONASSERT has predicate 45#false [2019-08-05 18:15:23,927 INFO L179 IcfgInterpreter]: Location procErr8ASSERT_VIOLATIONASSERT has predicate 42#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-05 18:15:23,927 INFO L179 IcfgInterpreter]: Location procErr3ASSERT_VIOLATIONASSERT has predicate 57#false [2019-08-05 18:15:23,927 INFO L179 IcfgInterpreter]: Location procErr14ASSERT_VIOLATIONASSERT has predicate 24#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-05 18:15:23,928 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 66#false [2019-08-05 18:15:23,928 INFO L179 IcfgInterpreter]: Location procErr4ASSERT_VIOLATIONASSERT has predicate 54#false [2019-08-05 18:15:23,928 INFO L179 IcfgInterpreter]: Location procErr5ASSERT_VIOLATIONASSERT has predicate 51#false [2019-08-05 18:15:23,929 INFO L179 IcfgInterpreter]: Location procErr12ASSERT_VIOLATIONASSERT has predicate 30#false [2019-08-05 18:15:23,929 INFO L179 IcfgInterpreter]: Location procErr1ASSERT_VIOLATIONASSERT has predicate 63#false [2019-08-05 18:15:23,929 INFO L179 IcfgInterpreter]: Location procErr2ASSERT_VIOLATIONASSERT has predicate 60#(and (not (= proc_y 10)) (= proc_y proc_a) (= proc_a 10)) [2019-08-05 18:15:23,931 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:23,940 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:23,944 INFO L168 Benchmark]: Toolchain (without parser) took 611.53 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 85.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:23,945 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:15:23,946 INFO L168 Benchmark]: Boogie Preprocessor took 42.82 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:23,947 INFO L168 Benchmark]: RCFGBuilder took 440.63 ms. Allocated memory is still 139.5 MB. Free memory was 105.2 MB in the beginning and 92.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:23,948 INFO L168 Benchmark]: Symbolic Interpretation took 124.69 ms. Allocated memory is still 139.5 MB. Free memory was 92.7 MB in the beginning and 85.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:23,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 117]: 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: - 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: - 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: 88]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 131]: 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 - 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: 44]: 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: - PositiveResult [Line: 23]: 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 - PositiveResult [Line: 59]: 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: 30]: 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: * 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 is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.82 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 440.63 ms. Allocated memory is still 139.5 MB. Free memory was 105.2 MB in the beginning and 92.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 124.69 ms. Allocated memory is still 139.5 MB. Free memory was 92.7 MB in the beginning and 85.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...