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/scalable/CounterLoop-nBit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:14,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:14,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:14,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:14,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:14,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:14,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:14,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:14,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:14,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:14,690 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:14,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:14,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:14,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:14,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:14,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:14,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:14,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:14,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:14,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:14,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:14,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:14,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:14,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:14,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:14,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:14,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:14,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:14,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:14,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:14,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:14,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:14,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:14,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:14,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:14,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:14,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:14,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:14,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:14,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:14,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:14,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:14,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:14,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:14,831 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:14,832 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:14,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterLoop-nBit.bpl [2019-08-06 16:56:14,833 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterLoop-nBit.bpl' [2019-08-06 16:56:14,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:14,871 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:14,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:14,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:14,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:14,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:14,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:14,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:14,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:14,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (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 16:56:15,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure nBitCounter given in one single declaration [2019-08-06 16:56:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure nBitCounter [2019-08-06 16:56:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure nBitCounter [2019-08-06 16:56:15,277 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:56:15,278 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:56:15,279 INFO L202 PluginConnector]: Adding new model CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:15 BoogieIcfgContainer [2019-08-06 16:56:15,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:15,280 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:15,280 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:15,280 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:15,281 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CounterLoop-nBit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:15" (1/1) ... [2019-08-06 16:56:15,293 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:15,296 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:15,302 INFO L160 IcfgInterpreter]: Initial procedures are [nBitCounter] [2019-08-06 16:56:15,310 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:15,311 INFO L185 IcfgInterpreter]: Interpreting procedure nBitCounter with input of size 1 [2019-08-06 16:56:15,565 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:15,565 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:15,568 INFO L179 IcfgInterpreter]: Location nBitCounterErr0ASSERT_VIOLATIONASSERT has predicate 113#(and (< 0 nBitCounter_n) (= nBitCounter_n nBitCounter_j) (not (= 0 nBitCounter_of)) (< nBitCounter_k nBitCounter_n) (exists ((v_nBitCounter_x_18 (Array Int Int))) (and (= (store v_nBitCounter_x_18 0 0) nBitCounter_x) (= 1 (select v_nBitCounter_x_18 0)))) (= 1 nBitCounter_j) (not (= (select nBitCounter_x nBitCounter_k) 0)) (exists ((v_nBitCounter_j_15 Int)) (not (< v_nBitCounter_j_15 nBitCounter_n))) (<= 0 nBitCounter_k) (= 1 nBitCounter_of)) [2019-08-06 16:56:15,570 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:15,580 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:15,585 INFO L168 Benchmark]: Toolchain (without parser) took 711.77 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 85.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,587 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,589 INFO L168 Benchmark]: Boogie Preprocessor took 52.29 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,590 INFO L168 Benchmark]: RCFGBuilder took 354.33 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,592 INFO L168 Benchmark]: Symbolic Interpretation took 301.22 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 85.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 39]: 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 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.29 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.33 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 301.22 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 85.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...