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.6.2.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:28,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:28,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:29,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:29,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:29,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:29,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:29,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:29,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:29,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:29,018 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:29,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:29,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:29,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:29,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:29,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:29,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:29,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:29,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:29,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:29,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:29,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:29,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:29,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:29,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:29,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:29,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:29,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:29,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:29,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:29,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:29,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:29,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:29,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:29,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:29,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:29,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:29,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:29,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:29,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:29,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:29,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:29,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:29,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:29,095 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:29,096 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:29,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl [2019-08-09 14:09:29,097 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl' [2019-08-09 14:09:29,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:29,171 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:29,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:29,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:29,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:29,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (1/1) ... [2019-08-09 14:09:29,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:29,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:29,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:29,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:29,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:29" (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 [2019-08-09 14:09:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:30,267 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:30,267 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:30,268 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:30 BoogieIcfgContainer [2019-08-09 14:09:30,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:30,269 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:30,269 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:30,269 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:30,270 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:30" (1/1) ... [2019-08-09 14:09:30,468 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:30,476 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:30,481 INFO L168 Benchmark]: Toolchain (without parser) took 1307.35 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 103.8 MB in the beginning and 126.4 MB in the end (delta: -22.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:30,483 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:30,485 INFO L168 Benchmark]: Boogie Preprocessor took 71.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 101.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:30,487 INFO L168 Benchmark]: RCFGBuilder took 1024.96 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 101.2 MB in the beginning and 138.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:30,489 INFO L168 Benchmark]: Symbolic Interpretation took 207.74 ms. Allocated memory is still 180.4 MB. Free memory was 138.3 MB in the beginning and 126.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:30,495 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 543]: 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 (<= ~st5 127) (= ~nomsg ULTIMATE.start_node3_~m3~28) (<= 0 (+ ~id6 128)) (<= 0 (+ |ULTIMATE.start_init_#res| 2147483648)) (not (= ~id6 ~id3)) (<= ~id6 127) (< ULTIMATE.start_main_~i2~163 12) (<= ~send4 127) (<= 0 ~id3) (<= 0 (+ ~id5 128)) (<= ~send5 127) (= ~send2 ~id2) (= ULTIMATE.start_check_~tmp~156 |ULTIMATE.start_check_#res|) (= ~mode5 1) (<= 0 (+ ~st1 128)) (not (= ~id6 ~id1)) (<= 0 (+ ~st5 128)) (<= 0 (+ ~send5 128)) (= ~nomsg ULTIMATE.start_node4_~m4~39) (<= 0 (+ ~st4 128)) (= ~p1_old ~nomsg) (= 0 (mod ~alive6 256)) (= |ULTIMATE.start_assert_#in~arg| ULTIMATE.start_assert_~arg) (= ULTIMATE.start_node2_~m2~17 ~nomsg) (<= ~id4 127) (= ~send5 ~id5) (= ~p2_new ~nomsg) (or (and (not (<= (mod ~send2 256) 127)) (= (+ (mod ~send2 256) (- 256)) ~p2_old)) (and (= ~p2_old (mod ~send2 256)) (<= (mod ~send2 256) 127))) (= 0 ~st6) (= ~send3 ~id3) (= 0 ~st1) (= 0 ~st2) (<= ~st2 127) (<= ~send3 127) (= ULTIMATE.start_node1_~m1~7 ~nomsg) (<= ~st3 127) (= ~p3_old ~nomsg) (<= 0 (+ |ULTIMATE.start_check_#res| 2147483648)) (= ~mode4 1) (not (= ~id6 ~id4)) (<= 0 (+ ~id2 128)) (= 0 ~st5) (= ULTIMATE.start_main_~c1~163 |ULTIMATE.start_check_#res|) (<= ~send1 127) (<= ~id2 127) (<= |ULTIMATE.start_check_#res| 2147483647) (<= 0 ~id2) (= ~p4_new ~nomsg) (not (= ~id5 ~id1)) (= 0 (mod ~alive5 256)) (not (= ~id4 ~id2)) (not (= ~id5 ~id3)) (= 0 ~st3) (<= ~st1 127) (<= (+ ~st4 ~st3 ~st6 ~st5 ~st2 ~st1) 1) (<= ~id3 127) (= ~mode2 1) (or (and (= |ULTIMATE.start_assert_#in~arg| 0) (= ULTIMATE.start_main_~c1~163 0)) (and (= |ULTIMATE.start_assert_#in~arg| 1) (not (= ULTIMATE.start_main_~c1~163 0)))) (= (mod ~alive3 256) 0) (not (= ~id3 ~id1)) (= ~p6_old ~nomsg) (= 0 (mod ULTIMATE.start_assert_~arg 256)) (not (= ~id4 ~id1)) (= |ULTIMATE.start_init_#res| ULTIMATE.start_init_~tmp~72) (= ~send4 ~id4) (= (mod ~alive4 256) 0) (<= 0 (+ ~id3 128)) (<= ~id5 127) (not (= ~id6 ~id5)) (not (= ~id2 ~id1)) (= ~nomsg ULTIMATE.start_node6_~m6~61) (not (= ~id4 ~id3)) (<= ~send2 127) (not (= ~id5 ~id2)) (<= 0 (+ ~id1 128)) (= ~mode6 1) (<= ~st4 127) (<= 0 ~id1) (<= ~id1 127) (<= 0 ~id5) (not (= ~nomsg ~send2)) (not (= ~id5 ~id4)) (= ~p4_old ~nomsg) (or (and (< ~r1 6) (= 1 ULTIMATE.start_check_~tmp~156)) (and (not (= (+ ~st4 ~st3 ~st6 ~st5 ~st2 ~st1) 1)) (not (< ~r1 6)) (= 0 ULTIMATE.start_check_~tmp~156))) (<= 0 ~id6) (<= 0 (+ ~id4 128)) (not (= 0 (mod ~alive2 256))) (= 0 ~st4) (= ~p3_new ~nomsg) (<= 0 (+ ~st6 128)) (<= 0 (+ ~send1 128)) (<= |ULTIMATE.start_init_#res| 2147483647) (not (= ~id3 ~id2)) (<= 0 (+ ~send2 128)) (<= 0 (+ ~send4 128)) (<= 0 (+ ~st3 128)) (= ~p6_new ~nomsg) (<= ~send6 127) (= ~mode3 1) (<= ~st6 127) (= ~r1 0) (= ~p1_new ~nomsg) (not (= ~id6 ~id2)) (<= 0 (+ ~send3 128)) (= ~send6 ~id6) (= ~p5_old ~nomsg) (= ~mode1 1) (<= 0 (+ ~send6 128)) (<= 0 ~id4) (= ULTIMATE.start_main_~i2~163 0) (= ~send1 ~id1) (= 0 (mod ~alive1 256)) (= ULTIMATE.start_node5_~m5~50 ~nomsg) (= ~nomsg (- 1)) (<= 0 (+ ~st2 128)) (= ~p5_new ~nomsg) (<= 1 (+ (mod ~alive5 256) (mod ~alive4 256) (mod ~alive2 256) (mod ~alive3 256) (mod ~alive1 256) (mod ~alive6 256))) (= ULTIMATE.start_init_~tmp~72 1) (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 137.9 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 101.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1024.96 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 101.2 MB in the beginning and 138.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 207.74 ms. Allocated memory is still 180.4 MB. Free memory was 138.3 MB in the beginning and 126.4 MB in the end (delta: 11.9 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...