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/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:50:58,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:58,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:58,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:58,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:58,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:58,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:58,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:58,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:58,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:58,055 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:58,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:58,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:58,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:58,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:58,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:58,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:58,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:58,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:58,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:58,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:58,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:58,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:58,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:58,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:58,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:58,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:58,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:58,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:58,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:58,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:58,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:58,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:58,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:58,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:58,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:58,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:58,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:58,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:58,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:58,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:58,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:58,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:58,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:58,176 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:58,177 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:58,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2019-08-05 11:50:58,179 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2019-08-05 11:50:58,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:58,223 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:58,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:58,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:58,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:58,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:58,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:58,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:58,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:58,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:58" (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 11:50:58,339 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:50:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:50:58,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:50:58,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:50:58,506 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:50:58,507 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:58 BoogieIcfgContainer [2019-08-05 11:50:58,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:58,508 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:58,508 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:58,508 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:58,510 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:58" (1/1) ... [2019-08-05 11:50:58,521 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:58,524 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:58,531 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:50:58,539 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:58,540 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:50:58,801 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2019-08-05 11:50:58,944 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-08-05 11:50:59,128 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2019-08-05 11:50:59,414 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-08-05 11:50:59,591 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-08-05 11:50:59,591 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:59,592 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:59,596 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< ULTIMATE.start_main_~i~5 (+ ULTIMATE.start_main_~n~5 2)) (= ULTIMATE.start_main_~j~5 0) (not (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5)) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~j~5 (div ULTIMATE.start_main_~n~5 2)) (not (< 0 ULTIMATE.start_main_~k~5)) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2019-08-05 11:50:59,605 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:59,608 INFO L168 Benchmark]: Toolchain (without parser) took 1384.55 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 67.4 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:59,611 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 112.0 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 11:50:59,613 INFO L168 Benchmark]: Boogie Preprocessor took 47.42 ms. Allocated memory is still 133.2 MB. Free memory was 110.5 MB in the beginning and 108.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:59,614 INFO L168 Benchmark]: RCFGBuilder took 235.98 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 98.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:59,615 INFO L168 Benchmark]: Symbolic Interpretation took 1098.01 ms. Allocated memory is still 133.2 MB. Free memory was 98.9 MB in the beginning and 67.4 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:59,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 51]: 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 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 112.0 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 47.42 ms. Allocated memory is still 133.2 MB. Free memory was 110.5 MB in the beginning and 108.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.98 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 98.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1098.01 ms. Allocated memory is still 133.2 MB. Free memory was 98.9 MB in the beginning and 67.4 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...