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/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:56:27,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:56:27,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:56:27,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:56:27,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:56:27,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:56:27,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:56:27,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:56:27,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:56:27,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:56:27,976 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:56:27,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:56:27,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:56:27,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:56:27,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:56:27,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:56:27,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:56:27,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:56:27,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:56:27,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:56:27,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:56:27,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:56:27,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:56:27,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:56:27,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:56:27,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:56:27,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:56:27,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:56:27,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:56:27,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:56:27,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:56:27,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:56:27,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:56:28,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:56:28,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:56:28,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:56:28,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:56:28,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:56:28,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:56:28,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:56:28,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:56:28,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:56:28,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:56:28,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:56:28,058 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:56:28,059 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:56:28,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2019-08-04 21:56:28,060 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2019-08-04 21:56:28,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:56:28,100 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:56:28,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:56:28,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:56:28,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:56:28,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:56:28,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:56:28,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:56:28,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:56:28,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:28" (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 21:56:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:56:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:56:28,413 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:56:28,413 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:56:28,415 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:56:28 BoogieIcfgContainer [2019-08-04 21:56:28,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:56:28,416 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:56:28,416 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:56:28,416 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:56:28,418 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:56:28" (1/1) ... [2019-08-04 21:56:28,430 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:56:28,433 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:56:28,440 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:56:28,449 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:56:28,450 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:56:28,780 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2019-08-04 21:56:28,993 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2019-08-04 21:56:29,171 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-08-04 21:56:29,446 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-08-04 21:56:29,727 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-08-04 21:56:29,934 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-08-04 21:56:30,410 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-08-04 21:56:30,628 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-08-04 21:56:30,671 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:56:30,671 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:56:30,674 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 33#(and (<= ULTIMATE.start_main_~i~5 (+ ULTIMATE.start_main_~n~5 1)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5)) (= (ite (= (* ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~n~5 1)) (* 2 ULTIMATE.start_main_~sum~5)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2019-08-04 21:56:30,682 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:56:30,685 INFO L168 Benchmark]: Toolchain (without parser) took 2584.44 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 112.2 MB in the beginning and 114.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:30,686 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 113.4 MB in the beginning and 113.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:56:30,687 INFO L168 Benchmark]: Boogie Preprocessor took 40.69 ms. Allocated memory is still 134.7 MB. Free memory was 112.2 MB in the beginning and 110.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:30,688 INFO L168 Benchmark]: RCFGBuilder took 273.69 ms. Allocated memory is still 134.7 MB. Free memory was 110.0 MB in the beginning and 100.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:30,690 INFO L168 Benchmark]: Symbolic Interpretation took 2266.85 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 100.5 MB in the beginning and 114.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:30,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 45]: 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 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 113.4 MB in the beginning and 113.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.69 ms. Allocated memory is still 134.7 MB. Free memory was 112.2 MB in the beginning and 110.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.69 ms. Allocated memory is still 134.7 MB. Free memory was 110.0 MB in the beginning and 100.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2266.85 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 100.5 MB in the beginning and 114.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...