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/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:21,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:21,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:21,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:21,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:21,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:21,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:21,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:21,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:21,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:21,706 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:21,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:21,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:21,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:21,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:21,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:21,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:21,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:21,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:21,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:21,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:21,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:21,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:21,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:21,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:21,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:21,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:21,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:21,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:21,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:21,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:21,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:21,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:21,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:21,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:21,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:21,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:21,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:21,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:21,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:21,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:21,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:21,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:21,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:21,774 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:21,774 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:21,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl [2019-08-09 14:09:21,775 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl' [2019-08-09 14:09:21,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:21,838 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:21,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:21,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:21,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:21,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (1/1) ... [2019-08-09 14:09:21,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:21,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:21,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:21,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:21,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:21" (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 14:09:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:22,682 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:22,682 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:22,684 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:22 BoogieIcfgContainer [2019-08-09 14:09:22,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:22,685 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:22,685 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:22,685 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:22,689 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:22" (1/1) ... [2019-08-09 14:09:22,886 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:22,893 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:22,897 INFO L168 Benchmark]: Toolchain (without parser) took 1057.27 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 108.8 MB in the beginning and 146.4 MB in the end (delta: -37.6 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:22,898 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:22,899 INFO L168 Benchmark]: Boogie Preprocessor took 62.76 ms. Allocated memory is still 133.2 MB. Free memory was 108.8 MB in the beginning and 106.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:22,900 INFO L168 Benchmark]: RCFGBuilder took 782.40 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 65.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:22,901 INFO L168 Benchmark]: Symbolic Interpretation took 208.85 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 65.3 MB in the beginning and 146.4 MB in the end (delta: -81.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:22,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 390]: 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 12#(and (<= 0 (+ ~id3 128)) (not (= ~id2 ~id1)) (not (= ~id4 ~id3)) (<= 0 (+ |ULTIMATE.start_init_#res| 2147483648)) (<= ~send2 127) (= ~p2_old ~nomsg) (<= 1 (+ (mod ~alive4 256) (mod ~alive2 256) (mod ~alive3 256) (mod ~alive1 256))) (or (and (= ULTIMATE.start_main_~c1~109 0) (= |ULTIMATE.start_assert_#in~arg| 0)) (and (= |ULTIMATE.start_assert_#in~arg| 1) (not (= ULTIMATE.start_main_~c1~109 0)))) (<= 0 (+ ~id1 128)) (<= ~send4 127) (<= ~st4 127) (<= 0 ~id3) (<= 0 ~id1) (= ~send2 ~id2) (<= ~id1 127) (<= 0 (+ ~st1 128)) (= ULTIMATE.start_main_~i2~109 0) (= ~p4_old ~nomsg) (or (and (not (< ~r1 4)) (not (= (+ ~st4 ~st3 ~st2 ~st1) 1)) (= 0 ULTIMATE.start_check_~tmp~102)) (and (< ~r1 4) (= 1 ULTIMATE.start_check_~tmp~102))) (<= 0 (+ ~st4 128)) (<= 0 (+ ~id4 128)) (= ~p1_old ~nomsg) (= 0 ~st4) (= |ULTIMATE.start_assert_#in~arg| ULTIMATE.start_assert_~arg) (= ULTIMATE.start_init_~tmp~52 1) (<= ~id4 127) (= ~p3_new ~nomsg) (= ~p2_new ~nomsg) (= |ULTIMATE.start_init_#res| ULTIMATE.start_init_~tmp~52) (= ~send3 ~id3) (<= 0 (+ ~send1 128)) (= 0 ~st1) (<= |ULTIMATE.start_init_#res| 2147483647) (= 0 ~st2) (not (= ~id3 ~id2)) (<= ~st2 127) (<= 0 (+ ~send2 128)) (<= 0 (+ ~send4 128)) (<= ~send3 127) (<= 0 (+ ~st3 128)) (not (= ~nomsg ~send3)) (= ULTIMATE.start_node1_~m1~7 ~nomsg) (= 0 (mod ~alive2 256)) (<= ~st3 127) (= ~mode3 1) (= ULTIMATE.start_check_~tmp~102 |ULTIMATE.start_check_#res|) (= ~nomsg ULTIMATE.start_node3_~m3~30) (or (and (<= (mod ~send3 256) 127) (= ~p3_old (mod ~send3 256))) (and (not (<= (mod ~send3 256) 127)) (= ~p3_old (+ (mod ~send3 256) (- 256))))) (<= (+ ~st4 ~st3 ~st2 ~st1) 1) (<= 0 (+ |ULTIMATE.start_check_#res| 2147483648)) (= ~p1_new ~nomsg) (= ~mode4 1) (= ~r1 0) (<= 0 (+ ~id2 128)) (not (= (mod ~alive3 256) 0)) (<= ~send1 127) (= ~nomsg ULTIMATE.start_node4_~m4~41) (<= 0 (+ ~send3 128)) (<= ~id2 127) (<= |ULTIMATE.start_check_#res| 2147483647) (<= 0 ~id2) (= ~p4_new ~nomsg) (not (= ~id4 ~id2)) (= ~mode1 1) (= ULTIMATE.start_main_~c1~109 |ULTIMATE.start_check_#res|) (<= 0 ~id4) (= 0 ~st3) (<= ~st1 127) (<= ~id3 127) (= ~send1 ~id1) (= ULTIMATE.start_node2_~m2~19 ~nomsg) (= ~mode2 1) (not (= ~id3 ~id1)) (= 0 (mod ~alive1 256)) (= ~nomsg (- 1)) (= 0 (mod ULTIMATE.start_assert_~arg 256)) (not (= ~id4 ~id1)) (<= 0 (+ ~st2 128)) (< ULTIMATE.start_main_~i2~109 8) (= (mod ~alive4 256) 0) (= ~send4 ~id4) (not (= |ULTIMATE.start_init_#res| 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.76 ms. Allocated memory is still 133.2 MB. Free memory was 108.8 MB in the beginning and 106.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 782.40 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 65.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 208.85 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 65.3 MB in the beginning and 146.4 MB in the end (delta: -81.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...