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.3.1.ufo.BOUNDED-6.pals.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:35,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:35,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:35,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:35,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:35,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:35,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:35,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:35,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:35,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:35,121 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:35,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:35,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:35,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:35,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:35,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:35,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:35,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:35,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:35,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:35,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:35,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:35,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:35,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:35,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:35,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:35,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:35,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:35,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:35,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:35,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:35,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:35,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:35,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:35,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:35,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:35,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:35,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:35,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:35,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:35,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:35,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:35,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:35,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:35,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:35,187 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:35,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl [2019-08-09 14:09:35,188 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl' [2019-08-09 14:09:35,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:35,238 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:35,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:35,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:35,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:35,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:35,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:35,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:35,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:35,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:35,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:35" (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 14:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:35,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:35,994 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:35,996 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:35 BoogieIcfgContainer [2019-08-09 14:09:35,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:35,996 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:35,997 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:35,997 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:35,998 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:35" (1/1) ... [2019-08-09 14:09:36,145 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:36,157 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:36,162 INFO L168 Benchmark]: Toolchain (without parser) took 920.73 ms. Allocated memory is still 139.5 MB. Free memory was 106.9 MB in the beginning and 61.7 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:36,164 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:09:36,165 INFO L168 Benchmark]: Boogie Preprocessor took 48.85 ms. Allocated memory is still 139.5 MB. Free memory was 106.9 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:36,167 INFO L168 Benchmark]: RCFGBuilder took 707.81 ms. Allocated memory is still 139.5 MB. Free memory was 104.7 MB in the beginning and 70.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:36,169 INFO L168 Benchmark]: Symbolic Interpretation took 161.08 ms. Allocated memory is still 139.5 MB. Free memory was 70.2 MB in the beginning and 61.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:36,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 314]: 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)) (<= 0 (+ |ULTIMATE.start_init_#res| 2147483648)) (<= ~send2 127) (not (= ~nomsg ~send1)) (= ~p2_old ~nomsg) (= ULTIMATE.start_main_~c1~84 |ULTIMATE.start_check_#res|) (not (= 0 (mod ~alive1 256))) (= ULTIMATE.start_init_~tmp~41 1) (<= 0 (+ ~id1 128)) (<= ULTIMATE.start_main_~c1~84 2147483647) (<= 0 ~id3) (<= 0 ~id1) (<= ~id1 127) (= ~send2 ~id2) (= 0 ULTIMATE.start_main_~i2~84) (<= 0 (+ ~st1 128)) (< ULTIMATE.start_main_~i2~84 6) (or (and (= |ULTIMATE.start_assert_#in~arg| 0) (= 0 ULTIMATE.start_main_~c1~84)) (and (= |ULTIMATE.start_assert_#in~arg| 1) (not (= 0 ULTIMATE.start_main_~c1~84)))) (= |ULTIMATE.start_assert_#in~arg| ULTIMATE.start_assert_~arg) (= ~p2_new ~nomsg) (= ~p3_new ~nomsg) (= ~send3 ~id3) (<= 0 (+ ~send1 128)) (= 0 ~st1) (<= |ULTIMATE.start_init_#res| 2147483647) (= 0 ~st2) (or (and (= 0 ULTIMATE.start_check_~tmp~77) (not (= (+ ~st3 ~st2 ~st1) 1)) (not (< ~r1 3))) (and (= 1 ULTIMATE.start_check_~tmp~77) (< ~r1 3))) (not (= ~id3 ~id2)) (<= ~st2 127) (<= 0 (+ ~send2 128)) (<= ~send3 127) (<= 0 (+ ~st3 128)) (= ULTIMATE.start_node1_~m1~7 ~nomsg) (= 0 (mod ~alive2 256)) (= ~mode3 1) (= |ULTIMATE.start_init_#res| ULTIMATE.start_init_~tmp~41) (<= ~st3 127) (= ~p3_old ~nomsg) (= ~nomsg ULTIMATE.start_node3_~m3~30) (= ~r1 0) (= ~p1_new ~nomsg) (<= 0 (+ ~id2 128)) (<= ~send1 127) (<= 0 (+ ~send3 128)) (<= ~id2 127) (<= 0 (+ ULTIMATE.start_main_~c1~84 2147483648)) (<= 0 ~id2) (= ~mode1 1) (= ULTIMATE.start_check_~tmp~77 |ULTIMATE.start_check_#res|) (= 0 ~st3) (<= ~st1 127) (or (and (not (<= (mod ~send1 256) 127)) (= (+ (mod ~send1 256) (- 256)) ~p1_old)) (and (<= (mod ~send1 256) 127) (= ~p1_old (mod ~send1 256)))) (<= ~id3 127) (= ~send1 ~id1) (= ULTIMATE.start_node2_~m2~19 ~nomsg) (<= (+ ~st3 ~st2 ~st1) 1) (= (mod ~alive3 256) 0) (= ~mode2 1) (not (= ~id3 ~id1)) (= ~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 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.85 ms. Allocated memory is still 139.5 MB. Free memory was 106.9 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 707.81 ms. Allocated memory is still 139.5 MB. Free memory was 104.7 MB in the beginning and 70.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 161.08 ms. Allocated memory is still 139.5 MB. Free memory was 70.2 MB in the beginning and 61.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...