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_8bitCounter-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:51:43,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:51:43,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:51:43,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:51:43,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:51:43,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:51:43,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:51:43,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:51:43,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:51:43,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:51:43,867 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:51:43,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:51:43,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:51:43,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:51:43,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:51:43,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:51:43,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:51:43,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:51:43,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:51:43,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:51:43,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:51:43,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:51:43,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:51:43,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:51:43,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:51:43,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:51:43,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:51:43,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:51:43,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:51:43,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:51:43,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:51:43,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:51:43,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:51:43,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:51:43,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:51:43,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:51:43,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:51:43,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:51:43,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:51:43,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:51:43,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:51:43,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:51:43,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:51:43,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:51:43,938 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:51:43,939 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:51:43,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-incorrect.bpl [2019-08-05 11:51:43,940 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-incorrect.bpl' [2019-08-05 11:51:43,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:51:43,985 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:51:43,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:51:43,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:51:43,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:51:44,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (1/1) ... [2019-08-05 11:51:44,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:51:44,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:51:44,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:51:44,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:51:44,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:51:43" (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 11:51:44,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-05 11:51:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-05 11:51:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-05 11:51:44,909 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:51:44,910 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:51:44,911 INFO L202 PluginConnector]: Adding new model CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:51:44 BoogieIcfgContainer [2019-08-05 11:51:44,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:51:44,912 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:51:44,912 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:51:44,912 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:51:44,914 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CTR_8bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:51:44" (1/1) ... [2019-08-05 11:51:44,926 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:51:44,928 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:51:44,935 INFO L160 IcfgInterpreter]: Initial procedures are [Counter] [2019-08-05 11:51:44,944 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:51:44,945 INFO L184 IcfgInterpreter]: Interpreting procedure Counter with input of size 1 [2019-08-05 11:51:45,131 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-05 11:51:45,354 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-08-05 11:51:45,742 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-08-05 11:51:45,968 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 137 [2019-08-05 11:51:46,174 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 192 [2019-08-05 11:51:46,563 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 247 [2019-08-05 11:51:46,986 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 302 [2019-08-05 11:51:47,580 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 357 [2019-08-05 11:51:48,424 WARN L188 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 412 [2019-08-05 11:51:50,526 WARN L188 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 497 DAG size of output: 467 [2019-08-05 11:51:55,516 WARN L188 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 552 DAG size of output: 522 [2019-08-05 11:52:01,210 WARN L188 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 607 DAG size of output: 577 [2019-08-05 11:52:21,034 WARN L188 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 662 DAG size of output: 632 [2019-08-05 11:52:35,088 WARN L188 SmtUtils]: Spent 13.69 s on a formula simplification that was a NOOP. DAG size: 717 [2019-08-05 11:52:36,690 WARN L188 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 75 DAG size of output: 51 [2019-08-05 11:52:38,689 WARN L188 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2019-08-05 11:52:38,690 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:52:38,690 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:52:38,693 INFO L178 IcfgInterpreter]: Location CounterErr0ASSERT_VIOLATIONASSERT has predicate 78#(and (= 0 Counter_x0) (and (exists ((v_Counter_x1_35 Int)) (not (= 0 v_Counter_x1_35))) (and (and (= 0 Counter_x3) (and (and (and (= 1 Counter_x7) (= 0 Counter_x6)) (= 0 Counter_x5)) (= 0 Counter_x4))) (= 0 Counter_x2)) (= 0 Counter_x1))) [2019-08-05 11:52:38,701 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:52:38,703 INFO L168 Benchmark]: Toolchain (without parser) took 54718.58 ms. Allocated memory was 133.2 MB in the beginning and 237.0 MB in the end (delta: 103.8 MB). Free memory was 110.6 MB in the beginning and 164.8 MB in the end (delta: -54.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:38,704 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:52:38,705 INFO L168 Benchmark]: Boogie Preprocessor took 54.49 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:38,706 INFO L168 Benchmark]: RCFGBuilder took 870.42 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 82.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:38,708 INFO L168 Benchmark]: Symbolic Interpretation took 53789.57 ms. Allocated memory was 133.2 MB in the beginning and 237.0 MB in the end (delta: 103.8 MB). Free memory was 81.9 MB in the beginning and 164.8 MB in the end (delta: -82.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:38,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 49]: 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 was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.49 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 870.42 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 82.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 53789.57 ms. Allocated memory was 133.2 MB in the beginning and 237.0 MB in the end (delta: 103.8 MB). Free memory was 81.9 MB in the beginning and 164.8 MB in the end (delta: -82.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forcibly destroying the process Received shutdown request...