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.3.2.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:31,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:31,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:31,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:31,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:31,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:31,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:31,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:31,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:31,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:31,357 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:31,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:31,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:31,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:31,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:31,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:31,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:31,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:31,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:31,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:31,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:31,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:31,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:31,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:31,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:31,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:31,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:31,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:31,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:31,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:31,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:31,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:31,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:31,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:31,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:31,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:31,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:31,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:31,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:31,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:31,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:31,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:31,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:31,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:31,426 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:31,426 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:31,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl [2019-08-09 14:09:31,427 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl' [2019-08-09 14:09:31,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:31,478 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:31,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:31,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:31,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:31,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (1/1) ... [2019-08-09 14:09:31,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:31,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:31,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:31,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:31,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:31" (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 14:09:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:32,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:32,253 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:32,254 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:32 BoogieIcfgContainer [2019-08-09 14:09:32,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:32,255 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:32,255 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:32,255 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:32,259 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:32" (1/1) ... [2019-08-09 14:09:32,523 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:32,531 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:32,535 INFO L168 Benchmark]: Toolchain (without parser) took 1054.95 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 106.8 MB in the beginning and 153.9 MB in the end (delta: -47.1 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:32,536 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:32,537 INFO L168 Benchmark]: Boogie Preprocessor took 48.23 ms. Allocated memory is still 138.9 MB. Free memory was 106.6 MB in the beginning and 104.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:32,538 INFO L168 Benchmark]: RCFGBuilder took 726.74 ms. Allocated memory is still 138.9 MB. Free memory was 104.3 MB in the beginning and 71.0 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:32,539 INFO L168 Benchmark]: Symbolic Interpretation took 276.70 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 70.8 MB in the beginning and 153.9 MB in the end (delta: -83.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:32,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 308]: 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)) (<= ULTIMATE.start_main_~c1~83 2147483647) (<= 0 (+ |ULTIMATE.start_init_#res| 2147483648)) (<= ~send2 127) (= ~p2_old ~nomsg) (= ULTIMATE.start_check_~tmp~76 |ULTIMATE.start_check_#res|) (= 0 ULTIMATE.start_main_~i2~83) (<= 0 (+ ~id1 128)) (= ULTIMATE.start_main_~c1~83 |ULTIMATE.start_check_#res|) (<= 0 ~id3) (<= 0 ~id1) (<= ~id1 127) (= ~send2 ~id2) (= ~nomsg ULTIMATE.start_node3_~m3~29) (<= 0 (+ ~st1 128)) (= ~p1_old ~nomsg) (= |ULTIMATE.start_assert_#in~arg| ULTIMATE.start_assert_~arg) (= ~p2_new ~nomsg) (= ~p3_new ~nomsg) (= (mod ~r1 256) 0) (= ULTIMATE.start_init_~tmp~40 1) (= ~send3 ~id3) (<= 0 (+ ~send1 128)) (= 0 ~st1) (<= |ULTIMATE.start_init_#res| 2147483647) (= 0 ~st2) (not (= ~id3 ~id2)) (<= ~st2 127) (<= 0 (+ ~send2 128)) (<= ~send3 127) (= |ULTIMATE.start_init_#res| ULTIMATE.start_init_~tmp~40) (= ULTIMATE.start_node1_~m1~7 ~nomsg) (<= 0 (+ ~st3 128)) (not (= ~nomsg ~send3)) (= 0 (mod ~alive2 256)) (<= ~st3 127) (= ~mode3 1) (or (and (<= (mod ~send3 256) 127) (= ~p3_old (mod ~send3 256))) (and (not (<= (mod ~send3 256) 127)) (= ~p3_old (+ (mod ~send3 256) (- 256))))) (= ~p1_new ~nomsg) (<= 0 (+ ~id2 128)) (not (= (mod ~alive3 256) 0)) (or (and (= 0 ULTIMATE.start_check_~tmp~76) (not (= (+ ~st3 ~st2 ~st1) 1)) (not (< (mod ~r1 256) 3))) (and (< (mod ~r1 256) 3) (= 1 ULTIMATE.start_check_~tmp~76))) (or (and (= |ULTIMATE.start_assert_#in~arg| 1) (not (= 0 ULTIMATE.start_main_~c1~83))) (and (= 0 ULTIMATE.start_main_~c1~83) (= |ULTIMATE.start_assert_#in~arg| 0))) (<= ~send1 127) (<= 0 (+ ~send3 128)) (<= ~id2 127) (<= 0 ~id2) (<= 0 (+ ULTIMATE.start_main_~c1~83 2147483648)) (= ~mode1 1) (= 0 ~st3) (<= ~st1 127) (<= ~id3 127) (= ~send1 ~id1) (= ULTIMATE.start_node2_~m2~18 ~nomsg) (<= (+ ~st3 ~st2 ~st1) 1) (= ~mode2 1) (not (= ~id3 ~id1)) (= 0 (mod ~alive1 256)) (= ~nomsg (- 1)) (= 0 (mod ULTIMATE.start_assert_~arg 256)) (<= 0 (+ ~st2 128)) (<= 1 (+ (mod ~alive2 256) (mod ~alive3 256) (mod ~alive1 256))) (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 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.23 ms. Allocated memory is still 138.9 MB. Free memory was 106.6 MB in the beginning and 104.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 726.74 ms. Allocated memory is still 138.9 MB. Free memory was 104.3 MB in the beginning and 71.0 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 276.70 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 70.8 MB in the beginning and 153.9 MB in the end (delta: -83.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...