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/INT_add_vs_inc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:01,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:01,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:01,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:01,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:01,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:01,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:01,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:01,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:01,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:01,665 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:01,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:01,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:01,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:01,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:01,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:01,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:01,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:01,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:01,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:01,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:01,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:01,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:01,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:01,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:01,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:01,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:01,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:01,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:01,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:01,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:01,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:01,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:01,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:01,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:01,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:01,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:01,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:01,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:01,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:01,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:01,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:01,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:01,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:01,768 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:01,769 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:01,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/INT_add_vs_inc.bpl [2019-08-05 11:49:01,770 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/INT_add_vs_inc.bpl' [2019-08-05 11:49:01,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:01,804 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:01,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:01,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:01,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:01,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (1/1) ... [2019-08-05 11:49:01,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:01,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:01,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:01,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:01,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:01" (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 11:49:01,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure add given in one single declaration [2019-08-05 11:49:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure add [2019-08-05 11:49:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2019-08-05 11:49:02,177 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:02,178 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:49:02,179 INFO L202 PluginConnector]: Adding new model INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:02 BoogieIcfgContainer [2019-08-05 11:49:02,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:02,181 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:02,181 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:02,181 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:02,183 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:02" (1/1) ... [2019-08-05 11:49:02,193 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:02,197 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:02,209 INFO L160 IcfgInterpreter]: Initial procedures are [add] [2019-08-05 11:49:02,219 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:02,221 INFO L184 IcfgInterpreter]: Interpreting procedure add with input of size 1 [2019-08-05 11:49:02,449 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2019-08-05 11:49:02,635 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2019-08-05 11:49:02,838 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2019-08-05 11:49:02,961 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:02,962 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:02,964 INFO L178 IcfgInterpreter]: Location addErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (< 0 add_y)) (< 0 (+ add_y 1)) (not (= (+ add_x add_y0) add_result))) [2019-08-05 11:49:02,973 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:02,975 INFO L168 Benchmark]: Toolchain (without parser) took 1170.14 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 76.6 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:02,976 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:49:02,977 INFO L168 Benchmark]: Boogie Preprocessor took 49.78 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:02,978 INFO L168 Benchmark]: RCFGBuilder took 325.27 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 96.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:02,979 INFO L168 Benchmark]: Symbolic Interpretation took 792.24 ms. Allocated memory is still 140.0 MB. Free memory was 96.7 MB in the beginning and 76.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:02,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.78 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.27 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 96.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 792.24 ms. Allocated memory is still 140.0 MB. Free memory was 96.7 MB in the beginning and 76.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...