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/IncExp.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:46:31,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:46:31,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:46:31,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:46:31,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:46:31,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:46:31,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:46:31,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:46:31,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:46:31,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:46:31,781 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:46:31,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:46:31,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:46:31,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:46:31,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:46:31,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:46:31,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:46:31,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:46:31,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:46:31,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:46:31,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:46:31,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:46:31,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:46:31,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:46:31,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:46:31,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:46:31,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:46:31,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:46:31,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:46:31,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:46:31,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:46:31,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:46:31,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:46:31,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:46:31,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:46:31,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:46:31,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:46:31,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:46:31,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:46:31,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:46:31,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:46:31,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:46:31,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:46:31,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:46:31,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:46:31,885 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:46:31,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/IncExp.bpl [2019-08-05 11:46:31,886 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/IncExp.bpl' [2019-08-05 11:46:31,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:46:31,919 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:46:31,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:46:31,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:46:31,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:46:31,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (1/1) ... [2019-08-05 11:46:31,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:46:31,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:46:31,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:46:31,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:46:31,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:46:31" (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 11:46:32,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitIncrementer given in one single declaration [2019-08-05 11:46:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitIncrementer [2019-08-05 11:46:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitIncrementer [2019-08-05 11:46:32,666 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:46:32,666 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:46:32,668 INFO L202 PluginConnector]: Adding new model IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:32 BoogieIcfgContainer [2019-08-05 11:46:32,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:46:32,668 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:46:32,669 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:46:32,669 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:46:32,671 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:46:32" (1/1) ... [2019-08-05 11:46:32,682 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:46:32,685 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:46:32,692 INFO L160 IcfgInterpreter]: Initial procedures are [ThreeBitIncrementer] [2019-08-05 11:46:32,700 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:46:32,702 INFO L184 IcfgInterpreter]: Interpreting procedure ThreeBitIncrementer with input of size 1 [2019-08-05 11:46:32,802 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:46:32,802 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:46:32,805 INFO L178 IcfgInterpreter]: Location ThreeBitIncrementerErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not ThreeBitIncrementer_x0) (not ThreeBitIncrementer_x1) (not ThreeBitIncrementer_x2) (exists ((v_ThreeBitIncrementer_x2_23 Bool) (v_ThreeBitIncrementer_x1_23 Bool) (v_ThreeBitIncrementer_x0_15 Bool) (v_ThreeBitIncrementer_of_34 Bool) (v_ThreeBitIncrementer_of_32 Bool) (v_ThreeBitIncrementer_of_33 Bool)) (and (or (and (not v_ThreeBitIncrementer_of_34) (= v_ThreeBitIncrementer_x1_23 ThreeBitIncrementer_x1) (= v_ThreeBitIncrementer_of_34 v_ThreeBitIncrementer_of_33)) (and (or (and (not v_ThreeBitIncrementer_x1_23) ThreeBitIncrementer_x1 (not v_ThreeBitIncrementer_of_33)) (and v_ThreeBitIncrementer_x1_23 (= v_ThreeBitIncrementer_of_34 v_ThreeBitIncrementer_of_33) (not ThreeBitIncrementer_x1))) v_ThreeBitIncrementer_of_34)) (or (and (not ThreeBitIncrementer_x0) v_ThreeBitIncrementer_x0_15 v_ThreeBitIncrementer_of_34) (and ThreeBitIncrementer_x0 (= v_ThreeBitIncrementer_of_34 v_ThreeBitIncrementer_of_32) (not v_ThreeBitIncrementer_x0_15))) (not v_ThreeBitIncrementer_of_32) (or (and (or (and v_ThreeBitIncrementer_x2_23 (= v_ThreeBitIncrementer_of_33 ThreeBitIncrementer_of) (not ThreeBitIncrementer_x2)) (and (not v_ThreeBitIncrementer_x2_23) (not ThreeBitIncrementer_of) ThreeBitIncrementer_x2)) v_ThreeBitIncrementer_of_33) (and (= v_ThreeBitIncrementer_of_33 ThreeBitIncrementer_of) (= v_ThreeBitIncrementer_x2_23 ThreeBitIncrementer_x2) (not v_ThreeBitIncrementer_of_33)))))) [2019-08-05 11:46:32,811 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:46:32,814 INFO L168 Benchmark]: Toolchain (without parser) took 893.98 ms. Allocated memory is still 141.6 MB. Free memory was 109.8 MB in the beginning and 86.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:32,815 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory is still 110.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:46:32,817 INFO L168 Benchmark]: Boogie Preprocessor took 43.03 ms. Allocated memory is still 141.6 MB. Free memory was 109.8 MB in the beginning and 107.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:32,818 INFO L168 Benchmark]: RCFGBuilder took 704.80 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 92.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:32,819 INFO L168 Benchmark]: Symbolic Interpretation took 143.20 ms. Allocated memory is still 141.6 MB. Free memory was 92.0 MB in the beginning and 86.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:46:32,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 37]: 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 0.19 ms. Allocated memory is still 141.6 MB. Free memory is still 110.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.03 ms. Allocated memory is still 141.6 MB. Free memory was 109.8 MB in the beginning and 107.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 704.80 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 92.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 143.20 ms. Allocated memory is still 141.6 MB. Free memory was 92.0 MB in the beginning and 86.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...