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/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:52:48,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:52:48,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:52:48,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:52:48,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:52:48,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:52:48,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:52:48,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:52:48,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:52:48,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:52:48,063 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:52:48,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:52:48,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:52:48,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:52:48,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:52:48,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:52:48,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:52:48,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:52:48,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:52:48,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:52:48,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:52:48,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:52:48,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:52:48,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:52:48,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:52:48,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:52:48,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:52:48,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:52:48,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:52:48,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:52:48,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:52:48,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:52:48,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:52:48,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:52:48,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:52:48,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:52:48,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:52:48,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:52:48,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:52:48,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:52:48,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:52:48,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:52:48,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:52:48,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:52:48,151 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:52:48,151 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:52:48,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2019-08-06 16:52:48,152 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2019-08-06 16:52:48,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:52:48,191 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:52:48,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:52:48,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:52:48,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:52:48,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:52:48,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:52:48,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:52:48,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:52:48,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:52:48" (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 16:52:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:52:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:52:48,577 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:52:48,577 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-06 16:52:48,579 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:48 BoogieIcfgContainer [2019-08-06 16:52:48,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:52:48,583 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:52:48,583 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:52:48,585 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:52:48,586 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:52:48" (1/1) ... [2019-08-06 16:52:48,602 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:52:48,607 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:52:48,621 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:52:48,629 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:52:48,630 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:52:48,746 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:52:48,746 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:52:48,749 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 44#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (< 0 ULTIMATE.start_main_~k~5) 1 0)) (< ULTIMATE.start_main_~j1~5 (+ ULTIMATE.start_main_~n0~5 ULTIMATE.start_main_~n1~5 1)) (< ULTIMATE.start_main_~j1~5 (+ ULTIMATE.start_main_~n0~5 ULTIMATE.start_main_~n1~5)) (= |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))) [2019-08-06 16:52:48,750 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:52:48,757 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:52:48,760 INFO L168 Benchmark]: Toolchain (without parser) took 568.11 ms. Allocated memory is still 132.6 MB. Free memory was 107.7 MB in the beginning and 88.4 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,761 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,762 INFO L168 Benchmark]: Boogie Preprocessor took 40.98 ms. Allocated memory is still 132.6 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,763 INFO L168 Benchmark]: RCFGBuilder took 346.95 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 94.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,764 INFO L168 Benchmark]: Symbolic Interpretation took 177.22 ms. Allocated memory is still 132.6 MB. Free memory was 94.8 MB in the beginning and 88.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:52:48,768 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 80]: 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 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.98 ms. Allocated memory is still 132.6 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.95 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 94.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 177.22 ms. Allocated memory is still 132.6 MB. Free memory was 94.8 MB in the beginning and 88.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...