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 [2019-08-04 21:55:02,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:55:02,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:55:02,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:55:02,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:55:02,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:55:02,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:55:02,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:55:02,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:55:02,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:55:02,924 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:55:02,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:55:02,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:55:02,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:55:02,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:55:02,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:55:02,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:55:02,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:55:02,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:55:02,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:55:02,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:55:02,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:55:02,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:55:02,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:55:02,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:55:02,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:55:02,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:55:02,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:55:02,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:55:02,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:55:02,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:55:02,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:55:02,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:55:02,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:55:02,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:55:02,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:55:02,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:55:02,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:55:02,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:55:02,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:55:02,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:55:03,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:55:03,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:55:03,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:55:03,021 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:55:03,022 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:55:03,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2019-08-04 21:55:03,023 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2019-08-04 21:55:03,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:55:03,070 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:55:03,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:55:03,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:55:03,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:55:03,095 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,097 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,105 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,106 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,113 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,115 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,116 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:55:03,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:55:03,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:55:03,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:55:03,122 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 04.08 09:55:03" (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 21:55:03,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-04 21:55:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:55:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:55:03,479 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:55:03,480 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:55:03,481 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:55:03 BoogieIcfgContainer [2019-08-04 21:55:03,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:55:03,482 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:55:03,482 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:55:03,482 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:55:03,485 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 04.08 09:55:03" (1/1) ... [2019-08-04 21:55:03,497 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:55:03,501 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:55:03,512 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:55:03,526 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:55:03,527 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:55:03,784 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2019-08-04 21:55:03,919 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-08-04 21:55:04,078 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2019-08-04 21:55:04,342 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-08-04 21:55:04,527 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-08-04 21:55:04,527 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:55:04,528 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:55:04,531 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|)) [2019-08-04 21:55:04,539 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:55:04,541 INFO L168 Benchmark]: Toolchain (without parser) took 1470.79 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 66.5 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:55:04,543 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 110.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:55:04,544 INFO L168 Benchmark]: Boogie Preprocessor took 47.43 ms. Allocated memory is still 133.7 MB. Free memory was 109.7 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:55:04,545 INFO L168 Benchmark]: RCFGBuilder took 362.83 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:55:04,546 INFO L168 Benchmark]: Symbolic Interpretation took 1057.35 ms. Allocated memory is still 133.7 MB. Free memory was 98.1 MB in the beginning and 66.5 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:55:04,551 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 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 110.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.43 ms. Allocated memory is still 133.7 MB. Free memory was 109.7 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.83 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1057.35 ms. Allocated memory is still 133.7 MB. Free memory was 98.1 MB in the beginning and 66.5 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...