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/CounterExp-4bit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:13:18,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:13:18,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:13:18,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:13:18,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:13:18,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:13:18,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:13:18,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:13:18,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:13:18,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:13:18,173 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:13:18,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:13:18,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:13:18,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:13:18,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:13:18,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:13:18,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:13:18,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:13:18,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:13:18,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:13:18,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:13:18,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:13:18,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:13:18,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:13:18,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:13:18,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:13:18,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:13:18,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:13:18,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:13:18,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:13:18,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:13:18,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:13:18,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:13:18,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:13:18,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:13:18,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:13:18,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:13:18,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:13:18,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:13:18,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:13:18,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:13:18,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:13:18,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:13:18,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:13:18,272 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:13:18,273 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:13:18,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-4bit.bpl [2019-08-05 18:13:18,274 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-4bit.bpl' [2019-08-05 18:13:18,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:13:18,314 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:13:18,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:13:18,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:13:18,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:13:18,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (1/1) ... [2019-08-05 18:13:18,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:13:18,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:13:18,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:13:18,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:13:18,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:13:18" (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 [2019-08-05 18:13:18,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-05 18:13:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-05 18:13:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-05 18:13:19,040 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:13:19,040 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:13:19,042 INFO L202 PluginConnector]: Adding new model CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:19 BoogieIcfgContainer [2019-08-05 18:13:19,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:13:19,042 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:13:19,042 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:13:19,043 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:13:19,044 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:13:19" (1/1) ... [2019-08-05 18:13:19,056 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:13:19,061 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:13:19,074 INFO L160 IcfgInterpreter]: Initial procedures are [ThreeBitCounter] [2019-08-05 18:13:19,083 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:13:19,085 INFO L185 IcfgInterpreter]: Interpreting procedure ThreeBitCounter with input of size 1 [2019-08-05 18:13:19,190 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:13:19,190 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:13:19,196 INFO L179 IcfgInterpreter]: Location ThreeBitCounterErr0ASSERT_VIOLATIONASSERT has predicate 23#(and ThreeBitCounter_of (or ThreeBitCounter_x1 ThreeBitCounter_x0 ThreeBitCounter_x3 ThreeBitCounter_x2) (exists ((v_ThreeBitCounter_of_47 Bool) (v_ThreeBitCounter_x0_20 Bool) (v_ThreeBitCounter_x1_24 Bool) (v_ThreeBitCounter_x3_28 Bool) (v_ThreeBitCounter_x2_28 Bool) (v_ThreeBitCounter_of_45 Bool) (v_ThreeBitCounter_of_56 Bool) (v_ThreeBitCounter_of_46 Bool)) (and (not v_ThreeBitCounter_of_56) (or (and (not ThreeBitCounter_x0) v_ThreeBitCounter_x0_20 v_ThreeBitCounter_of_45) (and ThreeBitCounter_x0 (= v_ThreeBitCounter_of_45 v_ThreeBitCounter_of_56) (not v_ThreeBitCounter_x0_20))) (or (and (= ThreeBitCounter_x1 v_ThreeBitCounter_x1_24) (= v_ThreeBitCounter_of_45 v_ThreeBitCounter_of_46) (not v_ThreeBitCounter_of_45)) (and (or (and v_ThreeBitCounter_x1_24 (not ThreeBitCounter_x1) (= v_ThreeBitCounter_of_45 v_ThreeBitCounter_of_46)) (and ThreeBitCounter_x1 (not v_ThreeBitCounter_x1_24) (not v_ThreeBitCounter_of_46))) v_ThreeBitCounter_of_45)) (or (and (or (and (not v_ThreeBitCounter_of_47) ThreeBitCounter_x2 (not v_ThreeBitCounter_x2_28)) (and (not ThreeBitCounter_x2) v_ThreeBitCounter_x2_28 (= v_ThreeBitCounter_of_46 v_ThreeBitCounter_of_47))) v_ThreeBitCounter_of_46) (and (= ThreeBitCounter_x2 v_ThreeBitCounter_x2_28) (= v_ThreeBitCounter_of_46 v_ThreeBitCounter_of_47) (not v_ThreeBitCounter_of_46))) (or (and v_ThreeBitCounter_of_47 (or (and (not ThreeBitCounter_of) ThreeBitCounter_x3 (not v_ThreeBitCounter_x3_28)) (and (not ThreeBitCounter_x3) (= ThreeBitCounter_of v_ThreeBitCounter_of_47) v_ThreeBitCounter_x3_28))) (and (not v_ThreeBitCounter_of_47) (= ThreeBitCounter_of v_ThreeBitCounter_of_47) (= ThreeBitCounter_x3 v_ThreeBitCounter_x3_28)))))) [2019-08-05 18:13:19,201 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:13:19,219 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:13:19,222 INFO L168 Benchmark]: Toolchain (without parser) took 907.57 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 81.4 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:19,223 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:13:19,226 INFO L168 Benchmark]: Boogie Preprocessor took 50.57 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:19,228 INFO L168 Benchmark]: RCFGBuilder took 676.46 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 87.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:19,229 INFO L168 Benchmark]: Symbolic Interpretation took 176.96 ms. Allocated memory is still 140.0 MB. Free memory was 87.4 MB in the beginning and 81.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:13:19,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 46]: 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 0.27 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.57 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 676.46 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 87.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 176.96 ms. Allocated memory is still 140.0 MB. Free memory was 87.4 MB in the beginning and 81.4 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...