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 0.1.24-3b9210c [2019-08-06 16:53:14,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:53:14,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:53:14,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:53:14,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:53:14,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:53:14,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:53:14,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:53:14,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:53:14,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:53:14,536 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:53:14,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:53:14,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:53:14,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:53:14,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:53:14,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:53:14,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:53:14,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:53:14,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:53:14,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:53:14,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:53:14,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:53:14,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:53:14,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:53:14,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:53:14,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:53:14,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:53:14,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:53:14,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:53:14,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:53:14,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:53:14,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:53:14,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:53:14,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:53:14,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:53:14,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:53:14,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:53:14,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:53:14,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:53:14,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:53:14,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:53:14,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:53:14,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:53:14,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:53:14,628 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:53:14,628 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:53:14,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl [2019-08-06 16:53:14,629 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl' [2019-08-06 16:53:14,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:53:14,688 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:53:14,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:53:14,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:53:14,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:53:14,715 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,718 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,726 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,727 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,733 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,737 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,738 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 06.08 04:53:14" (1/1) ... [2019-08-06 16:53:14,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:53:14,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:53:14,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:53:14,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:53:14,749 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 06.08 04:53:14" (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 [2019-08-06 16:53:14,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:53:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:53:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:53:15,111 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-06 16:53:15,113 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:53:15,114 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:53:15,115 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:53:15 BoogieIcfgContainer [2019-08-06 16:53:15,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:53:15,115 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:53:15,116 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:53:15,116 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:53:15,117 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 06.08 04:53:15" (1/1) ... [2019-08-06 16:53:15,129 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:53:15,132 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:53:15,138 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:53:15,146 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:53:15,148 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:53:15,289 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:53:15,289 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:53:15,294 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 68#(and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (or (< (mod (+ ULTIMATE.start_main_~y~0 4294967295) 4294967296) 10) (and (< (mod (+ ULTIMATE.start_main_~x~0 4294967295) 4294967296) 268435455) (= ULTIMATE.start_main_~y~0 0) (exists ((v_ULTIMATE.start_main_~y~0_13 Int)) (not (< (mod v_ULTIMATE.start_main_~y~0_13 4294967296) 10))))) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 10))) (and (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~y~0 0))) (= (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))))))) [2019-08-06 16:53:15,296 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:53:15,303 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:53:15,306 INFO L168 Benchmark]: Toolchain (without parser) took 618.37 ms. Allocated memory is still 131.1 MB. Free memory was 107.2 MB in the beginning and 88.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:53:15,308 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 131.1 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:53:15,309 INFO L168 Benchmark]: Boogie Preprocessor took 56.06 ms. Allocated memory is still 131.1 MB. Free memory was 107.2 MB in the beginning and 105.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:53:15,310 INFO L168 Benchmark]: RCFGBuilder took 368.52 ms. Allocated memory is still 131.1 MB. Free memory was 105.0 MB in the beginning and 95.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:53:15,312 INFO L168 Benchmark]: Symbolic Interpretation took 188.12 ms. Allocated memory is still 131.1 MB. Free memory was 95.2 MB in the beginning and 88.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:53:15,315 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 131.1 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.06 ms. Allocated memory is still 131.1 MB. Free memory was 107.2 MB in the beginning and 105.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 368.52 ms. Allocated memory is still 131.1 MB. Free memory was 105.0 MB in the beginning and 95.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 188.12 ms. Allocated memory is still 131.1 MB. Free memory was 95.2 MB in the beginning and 88.5 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...