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/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:33,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:33,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:33,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:33,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:33,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:33,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:33,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:33,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:33,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:33,772 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:33,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:33,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:33,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:33,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:33,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:33,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:33,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:33,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:33,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:33,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:33,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:33,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:33,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:33,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:33,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:33,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:33,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:33,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:33,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:33,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:33,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:33,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:33,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:33,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:33,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:33,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:33,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:33,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:33,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:33,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:33,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:33,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:33,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:33,847 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:33,848 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:33,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2019-08-04 21:58:33,849 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2019-08-04 21:58:33,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:33,881 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:33,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:33,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:33,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:33,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:33,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:33,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:33,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:33,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (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 [2019-08-04 21:58:33,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:34,145 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:34,145 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:34,147 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:34 BoogieIcfgContainer [2019-08-04 21:58:34,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:34,147 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:34,148 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:34,148 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:34,150 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:34" (1/1) ... [2019-08-04 21:58:34,161 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:34,164 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:34,170 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:34,179 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:34,180 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:34,503 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-08-04 21:58:34,641 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-08-04 21:58:34,746 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-08-04 21:58:34,777 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:34,777 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:34,780 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 22#(or (= 23 x) (not (= (mod y 2) 0))) [2019-08-04 21:58:34,789 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:34,791 INFO L168 Benchmark]: Toolchain (without parser) took 909.39 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 84.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:34,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:34,794 INFO L168 Benchmark]: Boogie Preprocessor took 40.11 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:34,795 INFO L168 Benchmark]: RCFGBuilder took 224.48 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:34,796 INFO L168 Benchmark]: Symbolic Interpretation took 641.63 ms. Allocated memory is still 133.2 MB. Free memory was 98.5 MB in the beginning and 84.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:34,800 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.11 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.48 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 641.63 ms. Allocated memory is still 133.2 MB. Free memory was 98.5 MB in the beginning and 84.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...