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 0.1.24-3b9210c [2019-08-06 16:54:07,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:07,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:07,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:07,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:07,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:07,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:07,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:07,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:07,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:07,095 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:07,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:07,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:07,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:07,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:07,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:07,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:07,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:07,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:07,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:07,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:07,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:07,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:07,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:07,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:07,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:07,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:07,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:07,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:07,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:07,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:07,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:07,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:07,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:07,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:07,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:07,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:07,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:07,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:07,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:07,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:07,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:07,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:07,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:07,210 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:07,211 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:07,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/IncExp.bpl [2019-08-06 16:54:07,213 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/IncExp.bpl' [2019-08-06 16:54:07,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:07,280 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:07,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:07,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:07,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:07,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:07,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:07,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:07,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:07,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "IncExp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:07" (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 16:54:07,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitIncrementer given in one single declaration [2019-08-06 16:54:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitIncrementer [2019-08-06 16:54:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitIncrementer [2019-08-06 16:54:07,850 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:07,850 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:07,852 INFO L202 PluginConnector]: Adding new model IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:07 BoogieIcfgContainer [2019-08-06 16:54:07,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:07,853 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:07,853 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:07,853 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:07,854 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "IncExp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:07" (1/1) ... [2019-08-06 16:54:07,865 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:07,869 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:07,876 INFO L160 IcfgInterpreter]: Initial procedures are [ThreeBitIncrementer] [2019-08-06 16:54:07,885 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:07,887 INFO L185 IcfgInterpreter]: Interpreting procedure ThreeBitIncrementer with input of size 1 [2019-08-06 16:54:07,934 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:07,934 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:07,937 INFO L179 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)))))) [2019-08-06 16:54:07,938 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:07,944 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:07,947 INFO L168 Benchmark]: Toolchain (without parser) took 666.22 ms. Allocated memory is still 130.5 MB. Free memory was 107.0 MB in the beginning and 84.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:07,949 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 130.5 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:07,950 INFO L168 Benchmark]: Boogie Preprocessor took 45.43 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 104.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:07,951 INFO L168 Benchmark]: RCFGBuilder took 525.59 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 89.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:07,952 INFO L168 Benchmark]: Symbolic Interpretation took 91.82 ms. Allocated memory is still 130.5 MB. Free memory was 89.0 MB in the beginning and 84.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:07,957 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 0.25 ms. Allocated memory is still 130.5 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.43 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 104.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 525.59 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 89.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 91.82 ms. Allocated memory is still 130.5 MB. Free memory was 89.0 MB in the beginning and 84.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...