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-b8c145f [2019-08-05 11:43:36,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:43:36,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:43:36,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:43:36,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:43:36,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:43:36,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:43:36,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:43:36,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:43:36,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:43:36,400 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:43:36,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:43:36,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:43:36,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:43:36,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:43:36,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:43:36,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:43:36,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:43:36,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:43:36,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:43:36,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:43:36,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:43:36,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:43:36,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:43:36,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:43:36,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:43:36,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:43:36,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:43:36,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:43:36,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:43:36,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:43:36,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:43:36,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:43:36,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:43:36,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:43:36,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:43:36,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:43:36,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:43:36,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:43:36,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:43:36,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:43:36,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:43:36,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:43:36,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:43:36,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:43:36,531 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:43:36,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2019-08-05 11:43:36,532 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2019-08-05 11:43:36,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:43:36,574 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:43:36,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:43:36,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:43:36,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:43:36,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:43:36,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:43:36,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:43:36,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:43:36,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:43:36" (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 11:43:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:43:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:43:36,964 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:43:36,964 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 11:43:36,965 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:43:36 BoogieIcfgContainer [2019-08-05 11:43:36,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:43:36,966 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:43:36,966 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:43:36,966 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:43:36,968 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 05.08 11:43:36" (1/1) ... [2019-08-05 11:43:36,981 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:43:36,986 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:43:36,993 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:43:37,002 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:43:37,003 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:43:37,320 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 18 [2019-08-05 11:43:37,697 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2019-08-05 11:43:37,965 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-08-05 11:43:38,214 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-08-05 11:43:38,353 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-05 11:43:38,575 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-08-05 11:43:38,839 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2019-08-05 11:43:39,044 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-08-05 11:43:39,082 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:43:39,083 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:43:39,087 INFO L178 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)) (= |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 11:43:39,094 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:43:39,096 INFO L168 Benchmark]: Toolchain (without parser) took 2521.70 ms. Allocated memory was 139.5 MB in the beginning and 177.2 MB in the end (delta: 37.7 MB). Free memory was 107.8 MB in the beginning and 106.9 MB in the end (delta: 899.2 kB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:39,098 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 139.5 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. [2019-08-05 11:43:39,099 INFO L168 Benchmark]: Boogie Preprocessor took 43.14 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:39,100 INFO L168 Benchmark]: RCFGBuilder took 347.32 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 94.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:39,102 INFO L168 Benchmark]: Symbolic Interpretation took 2128.27 ms. Allocated memory was 139.5 MB in the beginning and 177.2 MB in the end (delta: 37.7 MB). Free memory was 94.9 MB in the beginning and 106.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:43:39,106 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 139.5 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 43.14 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 347.32 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 94.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2128.27 ms. Allocated memory was 139.5 MB in the beginning and 177.2 MB in the end (delta: 37.7 MB). Free memory was 94.9 MB in the beginning and 106.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...