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/TestSpecificationRenaming-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:10,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:10,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:10,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:10,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:10,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:10,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:10,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:10,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:10,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:10,548 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:10,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:10,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:10,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:10,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:10,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:10,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:10,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:10,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:10,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:10,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:10,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:10,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:10,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:10,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:10,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:10,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:10,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:10,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:10,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:10,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:10,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:10,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:10,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:10,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:10,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:10,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:10,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:10,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:10,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:10,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:10,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:10,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:10,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:10,652 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:10,653 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:10,653 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSpecificationRenaming-unsafe.bpl [2019-08-05 18:15:10,654 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSpecificationRenaming-unsafe.bpl' [2019-08-05 18:15:10,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:10,686 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:10,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:10,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:10,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:10,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (1/1) ... [2019-08-05 18:15:10,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:10,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:10,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:10,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:10,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:10" (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 18:15:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 18:15:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 18:15:10,894 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:15:11,010 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:11,010 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:11,011 INFO L202 PluginConnector]: Adding new model TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:11 BoogieIcfgContainer [2019-08-05 18:15:11,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:11,012 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:11,012 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:11,013 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:11,014 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSpecificationRenaming-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:11" (1/1) ... [2019-08-05 18:15:11,025 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:15:11,028 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:11,035 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-05 18:15:11,043 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:11,045 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-05 18:15:11,099 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:11,099 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:11,103 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (<= 0 proc_a) (not (<= 0 proc_b))) [2019-08-05 18:15:11,104 INFO L179 IcfgInterpreter]: Location procErr1ENSURES_VIOLATIONPOST_CONDITION has predicate 7#(and (not (= (+ proc_b 1) proc_d)) (<= 0 proc_a) (<= 0 proc_b) (= proc_c (+ proc_a 1))) [2019-08-05 18:15:11,105 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:11,123 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:11,126 INFO L168 Benchmark]: Toolchain (without parser) took 439.37 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 93.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:11,127 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 132.6 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:15:11,128 INFO L168 Benchmark]: Boogie Preprocessor took 47.82 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:11,129 INFO L168 Benchmark]: RCFGBuilder took 277.03 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 96.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:11,130 INFO L168 Benchmark]: Symbolic Interpretation took 110.96 ms. Allocated memory is still 132.6 MB. Free memory was 96.7 MB in the beginning and 93.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:11,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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: 11]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition 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 0.16 ms. Allocated memory is still 132.6 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.82 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.03 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 96.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 110.96 ms. Allocated memory is still 132.6 MB. Free memory was 96.7 MB in the beginning and 93.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...