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/up.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:43:35,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:43:35,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:43:35,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:43:35,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:43:35,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:43:35,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:43:35,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:43:35,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:43:35,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:43:35,426 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:43:35,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:43:35,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:43:35,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:43:35,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:43:35,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:43:35,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:43:35,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:43:35,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:43:35,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:43:35,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:43:35,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:43:35,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:43:35,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:43:35,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:43:35,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:43:35,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:43:35,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:43:35,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:43:35,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:43:35,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:43:35,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:43:35,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:43:35,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:43:35,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:43:35,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:43:35,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:43:35,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:43:35,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:43:35,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:43:35,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:43:35,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:43:35,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:43:35,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:43:35,508 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:43:35,509 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:43:35,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl [2019-08-05 11:43:35,510 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl' [2019-08-05 11:43:35,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:43:35,554 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:43:35,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:43:35,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:43:35,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:43:35,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:43:35,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:43:35,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:43:35,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:43:35,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:35" (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 11:43:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:43:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:43:35,911 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:43:35,912 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:43:35,913 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:43:35 BoogieIcfgContainer [2019-08-05 11:43:35,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:43:35,914 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:43:35,914 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:43:35,914 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:43:35,916 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:43:35" (1/1) ... [2019-08-05 11:43:35,926 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:43:35,929 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:43:35,935 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:43:35,947 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:43:35,949 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:43:36,168 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2019-08-05 11:43:36,283 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-08-05 11:43:36,391 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2019-08-05 11:43:36,712 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-08-05 11:43:36,944 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-08-05 11:43:37,100 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2019-08-05 11:43:37,608 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-08-05 11:43:37,843 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-08-05 11:43:38,115 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-08-05 11:43:38,171 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:43:38,172 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:43:38,175 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 54#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (< 0 ULTIMATE.start_main_~k~5) 1 0)) (< ULTIMATE.start_main_~j~5 ULTIMATE.start_main_~n~5) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (= (ite (< 0 (+ ULTIMATE.start_main_~k~5 1)) 1 0) 0))) [2019-08-05 11:43:38,184 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:43:38,187 INFO L168 Benchmark]: Toolchain (without parser) took 2631.41 ms. Allocated memory was 133.7 MB in the beginning and 169.9 MB in the end (delta: 36.2 MB). Free memory was 111.1 MB in the beginning and 88.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:38,188 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:43:38,190 INFO L168 Benchmark]: Boogie Preprocessor took 47.73 ms. Allocated memory is still 133.7 MB. Free memory was 110.7 MB in the beginning and 109.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:38,191 INFO L168 Benchmark]: RCFGBuilder took 309.97 ms. Allocated memory is still 133.7 MB. Free memory was 108.6 MB in the beginning and 98.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:38,193 INFO L168 Benchmark]: Symbolic Interpretation took 2270.62 ms. Allocated memory was 133.7 MB in the beginning and 169.9 MB in the end (delta: 36.2 MB). Free memory was 98.6 MB in the beginning and 88.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:38,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 66]: 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 133.7 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.73 ms. Allocated memory is still 133.7 MB. Free memory was 110.7 MB in the beginning and 109.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.97 ms. Allocated memory is still 133.7 MB. Free memory was 108.6 MB in the beginning and 98.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2270.62 ms. Allocated memory was 133.7 MB in the beginning and 169.9 MB in the end (delta: 36.2 MB). Free memory was 98.6 MB in the beginning and 88.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...