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/toy/tooDifficultLoopInvariant/Modulo-Ihringen.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:49,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:49,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:49,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:49,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:49,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:49,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:49,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:49,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:49,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:49,697 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:49,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:49,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:49,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:49,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:49,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:49,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:49,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:49,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:49,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:49,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:49,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:49,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:49,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:49,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:49,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:49,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:49,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:49,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:49,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:49,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:49,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:49,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:49,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:49,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:49,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:49,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:49,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:49,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:49,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:49,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:49,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:49,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:49,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:49,813 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:49,814 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:49,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Modulo-Ihringen.bpl [2019-08-06 16:54:49,815 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Modulo-Ihringen.bpl' [2019-08-06 16:54:49,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:49,850 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:49,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:49,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:49,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:49,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (1/1) ... [2019-08-06 16:54:49,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:49,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:49,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:49,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:49,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:49" (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 16:54:49,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:54:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:54:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:54:50,098 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:50,098 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:54:50,100 INFO L202 PluginConnector]: Adding new model Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:50 BoogieIcfgContainer [2019-08-06 16:54:50,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:50,100 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:50,101 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:50,101 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:50,102 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Modulo-Ihringen.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:50" (1/1) ... [2019-08-06 16:54:50,114 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:50,117 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:50,124 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:54:50,133 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:50,134 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:54:50,214 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:50,214 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:50,217 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 13#(and (= main_x 1) (not (<= main_x 1))) [2019-08-06 16:54:50,219 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:50,226 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:50,229 INFO L168 Benchmark]: Toolchain (without parser) took 378.72 ms. Allocated memory is still 137.9 MB. Free memory was 106.4 MB in the beginning and 90.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:50,231 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:50,232 INFO L168 Benchmark]: Boogie Preprocessor took 47.52 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:50,233 INFO L168 Benchmark]: RCFGBuilder took 201.81 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:50,234 INFO L168 Benchmark]: Symbolic Interpretation took 125.91 ms. Allocated memory is still 137.9 MB. Free memory was 95.3 MB in the beginning and 90.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:50,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 27]: 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 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.52 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 201.81 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 125.91 ms. Allocated memory is still 137.9 MB. Free memory was 95.3 MB in the beginning and 90.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...