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/CTR_CounterExp-8bit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:24,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:24,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:24,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:24,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:24,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:24,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:24,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:24,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:24,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:24,631 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:24,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:24,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:24,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:24,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:24,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:24,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:24,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:24,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:24,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:24,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:24,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:24,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:24,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:24,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:24,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:24,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:24,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:24,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:24,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:24,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:24,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:24,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:24,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:24,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:24,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:24,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:24,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:24,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:24,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:24,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:24,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:24,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:24,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:24,726 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:24,726 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:24,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_CounterExp-8bit.bpl [2019-08-06 16:56:24,727 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_CounterExp-8bit.bpl' [2019-08-06 16:56:24,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:24,764 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:24,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:24,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:24,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:24,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (1/1) ... [2019-08-06 16:56:24,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:24,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:24,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:24,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:24,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:24" (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 16:56:24,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-06 16:56:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-06 16:56:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-06 16:56:25,882 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:56:25,883 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:25,884 INFO L202 PluginConnector]: Adding new model CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:25 BoogieIcfgContainer [2019-08-06 16:56:25,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:25,885 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:25,885 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:25,885 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:25,886 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CTR_CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:25" (1/1) ... [2019-08-06 16:56:25,898 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:25,901 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:25,908 INFO L160 IcfgInterpreter]: Initial procedures are [ThreeBitCounter] [2019-08-06 16:56:25,916 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:25,918 INFO L185 IcfgInterpreter]: Interpreting procedure ThreeBitCounter with input of size 1 [2019-08-06 16:56:26,045 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:26,046 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:26,049 INFO L179 IcfgInterpreter]: Location ThreeBitCounterErr0ASSERT_VIOLATIONASSERT has predicate 24#(and ThreeBitCounter_of (or ThreeBitCounter_x1 ThreeBitCounter_x0 ThreeBitCounter_x5 ThreeBitCounter_x4 ThreeBitCounter_x3 ThreeBitCounter_x2 ThreeBitCounter_x7 ThreeBitCounter_x6)) [2019-08-06 16:56:26,050 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:26,058 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:26,061 INFO L168 Benchmark]: Toolchain (without parser) took 1295.58 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 67.3 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:26,062 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:56:26,063 INFO L168 Benchmark]: Boogie Preprocessor took 50.07 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:26,064 INFO L168 Benchmark]: RCFGBuilder took 1064.25 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 74.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:26,066 INFO L168 Benchmark]: Symbolic Interpretation took 173.21 ms. Allocated memory is still 133.2 MB. Free memory was 74.7 MB in the beginning and 67.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:26,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 86]: 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 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.07 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1064.25 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 74.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 173.21 ms. Allocated memory is still 133.2 MB. Free memory was 74.7 MB in the beginning and 67.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...