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/Pdr/simpleProgramUnsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:07:36,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:36,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:36,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:36,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:36,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:36,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:36,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:36,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:36,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:36,669 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:36,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:36,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:36,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:36,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:36,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:36,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:36,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:36,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:36,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:36,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:36,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:36,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:36,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:36,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:36,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:36,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:36,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:36,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:36,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:36,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:36,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:36,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:36,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:36,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:36,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:36,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:36,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:36,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:36,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:36,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:36,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:36,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:36,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:36,745 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:36,746 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:36,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/simpleProgramUnsafe.bpl [2019-08-05 12:07:36,747 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/simpleProgramUnsafe.bpl' [2019-08-05 12:07:36,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:36,778 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:36,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:36,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:36,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:36,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (1/1) ... [2019-08-05 12:07:36,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:36,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:36,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:36,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:36,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:36" (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 12:07:36,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:07:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:07:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:07:37,088 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:37,088 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:37,090 INFO L202 PluginConnector]: Adding new model simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:37 BoogieIcfgContainer [2019-08-05 12:07:37,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:37,090 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:37,090 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:37,091 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:37,092 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "simpleProgramUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:37" (1/1) ... [2019-08-05 12:07:37,103 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:07:37,106 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:37,115 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:07:37,125 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:37,126 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:07:37,221 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:37,221 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:37,224 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(= main_x 1) [2019-08-05 12:07:37,231 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:37,234 INFO L168 Benchmark]: Toolchain (without parser) took 455.41 ms. Allocated memory is still 141.6 MB. Free memory was 109.9 MB in the beginning and 94.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:37,235 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:07:37,237 INFO L168 Benchmark]: Boogie Preprocessor took 43.42 ms. Allocated memory is still 141.6 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:37,238 INFO L168 Benchmark]: RCFGBuilder took 267.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 99.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:37,239 INFO L168 Benchmark]: Symbolic Interpretation took 141.42 ms. Allocated memory is still 141.6 MB. Free memory was 99.1 MB in the beginning and 94.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:37,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 141.6 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.42 ms. Allocated memory is still 141.6 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 99.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 141.42 ms. Allocated memory is still 141.6 MB. Free memory was 99.1 MB in the beginning and 94.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...