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-b03553c [2019-08-05 18:11:29,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:11:29,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:11:29,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:11:29,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:11:29,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:11:29,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:11:29,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:11:29,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:11:29,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:11:29,764 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:11:29,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:11:29,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:11:29,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:11:29,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:11:29,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:11:29,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:11:29,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:11:29,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:11:29,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:11:29,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:11:29,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:11:29,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:11:29,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:11:29,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:11:29,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:11:29,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:11:29,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:11:29,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:11:29,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:11:29,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:11:29,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:11:29,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:11:29,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:11:29,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:11:29,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:11:29,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:11:29,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:11:29,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:11:29,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:11:29,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:11:29,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:11:29,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:11:29,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:11:29,860 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:11:29,860 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:11:29,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl [2019-08-05 18:11:29,863 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl' [2019-08-05 18:11:29,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:11:29,920 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:11:29,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:11:29,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:11:29,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:11:29,945 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,947 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,956 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,956 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,962 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,964 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,965 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 05.08 06:11:29" (1/1) ... [2019-08-05 18:11:29,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:11:29,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:11:29,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:11:29,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:11:29,969 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 05.08 06:11:29" (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 18:11:30,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:11:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:11:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:11:30,303 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 18:11:30,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:11:30,306 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:11:30,307 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:11:30 BoogieIcfgContainer [2019-08-05 18:11:30,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:11:30,308 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:11:30,308 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:11:30,308 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:11:30,309 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 05.08 06:11:30" (1/1) ... [2019-08-05 18:11:30,322 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:11:30,329 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:11:30,340 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:11:30,348 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:11:30,350 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:11:30,515 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:11:30,516 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:11:30,521 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 68#(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 (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_~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)))))))) [2019-08-05 18:11:30,526 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:11:30,532 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:11:30,535 INFO L168 Benchmark]: Toolchain (without parser) took 614.52 ms. Allocated memory is still 131.1 MB. Free memory was 106.0 MB in the beginning and 87.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:30,536 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.34 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:11:30,538 INFO L168 Benchmark]: Boogie Preprocessor took 46.95 ms. Allocated memory is still 131.1 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:30,539 INFO L168 Benchmark]: RCFGBuilder took 340.15 ms. Allocated memory is still 131.1 MB. Free memory was 103.7 MB in the beginning and 93.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:30,540 INFO L168 Benchmark]: Symbolic Interpretation took 224.30 ms. Allocated memory is still 131.1 MB. Free memory was 93.9 MB in the beginning and 87.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:30,546 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 0.34 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.95 ms. Allocated memory is still 131.1 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.15 ms. Allocated memory is still 131.1 MB. Free memory was 103.7 MB in the beginning and 93.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 224.30 ms. Allocated memory is still 131.1 MB. Free memory was 93.9 MB in the beginning and 87.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...