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/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:42,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:42,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:42,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:42,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:42,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:42,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:42,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:42,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:42,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:42,512 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:42,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:42,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:42,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:42,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:42,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:42,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:42,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:42,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:42,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:42,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:42,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:42,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:42,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:42,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:42,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:42,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:42,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:42,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:42,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:42,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:42,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:42,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:42,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:42,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:42,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:42,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:42,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:42,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:42,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:42,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:42,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:42,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:42,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:42,581 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:42,582 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:42,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl [2019-08-09 14:10:42,583 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl' [2019-08-09 14:10:42,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:42,625 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:42,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:42,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:42,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:42,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:42,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:42,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:42,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:42,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:42,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:42" (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 [2019-08-09 14:10:42,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:10:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:42,930 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-09 14:10:42,932 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:42,932 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:10:42,933 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:42 BoogieIcfgContainer [2019-08-09 14:10:42,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:42,934 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:42,934 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:42,935 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:42,935 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:42" (1/1) ... [2019-08-09 14:10:43,086 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:43,094 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:43,096 INFO L168 Benchmark]: Toolchain (without parser) took 470.06 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 90.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:43,098 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:43,099 INFO L168 Benchmark]: Boogie Preprocessor took 55.84 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:43,100 INFO L168 Benchmark]: RCFGBuilder took 251.34 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 97.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:43,102 INFO L168 Benchmark]: Symbolic Interpretation took 159.74 ms. Allocated memory is still 132.6 MB. Free memory was 97.3 MB in the beginning and 90.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:43,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 35]: 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. Predicate is 67#(or (and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~x~0 0) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (<= (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) 2147483647) (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (+ (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (- 4294967296))) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (or (and (not (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647)) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647))))) (and (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)))))) (= ULTIMATE.start_main_~y~0 0)) (and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 10)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (<= (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) 2147483647) (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (+ (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (- 4294967296))) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (or (and (not (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647)) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647))))) (and (<= (mod ULTIMATE.start_main_~x~0 2) 2147483647) (or (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)) (and (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (not (<= (mod (+ (mod ULTIMATE.start_main_~x~0 2) 4294967294) 4294967296) 2147483647)))))))). 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 132.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.84 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.34 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 97.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 159.74 ms. Allocated memory is still 132.6 MB. Free memory was 97.3 MB in the beginning and 90.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...