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/abstractInterpretation/regression/all/stmt-old-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:18,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:18,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:18,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:18,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:18,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:18,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:18,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:18,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:18,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:18,621 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:18,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:18,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:18,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:18,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:18,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:18,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:18,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:18,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:18,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:18,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:18,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:18,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:18,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:18,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:18,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:18,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:18,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:18,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:18,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:18,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:18,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:18,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:18,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:18,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:18,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:18,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:18,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:18,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:18,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:18,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:18,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:18,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:18,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:18,706 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:18,706 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:18,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-old-2.bpl [2019-08-06 16:59:18,709 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-old-2.bpl' [2019-08-06 16:59:18,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:18,742 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:18,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:18,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:18,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:18,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (1/1) ... [2019-08-06 16:59:18,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:18,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:18,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:18,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:18,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:18" (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 16:59:18,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:59:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:59:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:59:18,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:59:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:59:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:59:18,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure inc given in one single declaration [2019-08-06 16:59:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2019-08-06 16:59:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2019-08-06 16:59:19,028 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:59:19,028 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:19,030 INFO L202 PluginConnector]: Adding new model stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:19 BoogieIcfgContainer [2019-08-06 16:59:19,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:19,030 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:19,031 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:19,031 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:19,032 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-old-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:19" (1/1) ... [2019-08-06 16:59:19,043 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:19,045 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:19,052 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:59:19,060 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:19,062 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:59:19,109 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 6 [2019-08-06 16:59:19,121 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:19,121 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:19,123 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 12#(and (= |old(x)| 1) (not (= |old(x)| (+ x (- 2))))) [2019-08-06 16:59:19,124 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:19,132 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:19,135 INFO L168 Benchmark]: Toolchain (without parser) took 391.73 ms. Allocated memory is still 140.0 MB. Free memory was 107.2 MB in the beginning and 90.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:19,136 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:19,137 INFO L168 Benchmark]: Boogie Preprocessor took 41.24 ms. Allocated memory is still 140.0 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:19,138 INFO L168 Benchmark]: RCFGBuilder took 245.53 ms. Allocated memory is still 140.0 MB. Free memory was 105.0 MB in the beginning and 95.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:19,140 INFO L168 Benchmark]: Symbolic Interpretation took 101.43 ms. Allocated memory is still 140.0 MB. Free memory was 95.4 MB in the beginning and 90.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:19,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.24 ms. Allocated memory is still 140.0 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.53 ms. Allocated memory is still 140.0 MB. Free memory was 105.0 MB in the beginning and 95.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 101.43 ms. Allocated memory is still 140.0 MB. Free memory was 95.4 MB in the beginning and 90.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...