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/20170304-DifficultPathPrograms/count_by_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:56:03,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:56:03,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:56:03,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:56:03,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:56:03,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:56:03,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:56:03,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:56:03,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:56:03,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:56:03,218 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:56:03,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:56:03,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:56:03,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:56:03,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:56:03,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:56:03,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:56:03,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:56:03,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:56:03,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:56:03,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:56:03,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:56:03,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:56:03,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:56:03,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:56:03,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:56:03,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:56:03,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:56:03,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:56:03,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:56:03,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:56:03,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:56:03,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:56:03,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:56:03,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:56:03,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:56:03,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:56:03,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:56:03,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:56:03,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:56:03,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:56:03,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:56:03,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:56:03,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:56:03,335 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:56:03,336 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:56:03,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2019-08-04 21:56:03,337 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2019-08-04 21:56:03,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:56:03,380 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:56:03,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:56:03,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:56:03,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:56:03,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:56:03,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:56:03,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:56:03,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:56:03,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:03" (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 [2019-08-04 21:56:03,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:56:03,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:56:03,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:56:03,653 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:56:03,654 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:56:03 BoogieIcfgContainer [2019-08-04 21:56:03,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:56:03,655 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:56:03,655 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:56:03,655 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:56:03,657 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:56:03" (1/1) ... [2019-08-04 21:56:03,668 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:56:03,671 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:56:03,678 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:56:03,686 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:56:03,688 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:56:03,916 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2019-08-04 21:56:04,068 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2019-08-04 21:56:04,482 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2019-08-04 21:56:04,663 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2019-08-04 21:56:04,895 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2019-08-04 21:56:04,954 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:56:04,954 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:56:04,958 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 28#(and (not (< ULTIMATE.start_main_~i~5 (* 1000000 ULTIMATE.start_main_~k~5))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (= ULTIMATE.start_main_~i~5 (* 1000000 ULTIMATE.start_main_~k~5)) 1 0)) (< ULTIMATE.start_main_~i~5 (* 1000001 ULTIMATE.start_main_~k~5)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2019-08-04 21:56:04,965 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:56:04,967 INFO L168 Benchmark]: Toolchain (without parser) took 1587.33 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 110.3 MB in the beginning and 150.6 MB in the end (delta: -40.3 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:04,969 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 111.5 MB in the beginning and 111.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 21:56:04,970 INFO L168 Benchmark]: Boogie Preprocessor took 46.70 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 108.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:04,971 INFO L168 Benchmark]: RCFGBuilder took 226.39 ms. Allocated memory is still 132.6 MB. Free memory was 108.1 MB in the beginning and 98.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:04,973 INFO L168 Benchmark]: Symbolic Interpretation took 1310.38 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 98.9 MB in the beginning and 150.6 MB in the end (delta: -51.7 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:04,977 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 38]: 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 132.6 MB. Free memory was 111.5 MB in the beginning and 111.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.70 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 108.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.39 ms. Allocated memory is still 132.6 MB. Free memory was 108.1 MB in the beginning and 98.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1310.38 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 98.9 MB in the beginning and 150.6 MB in the end (delta: -51.7 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...