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.4.2.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:10:29,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:10:29,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:10:29,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:10:29,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:10:29,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:10:29,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:10:29,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:10:29,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:10:29,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:10:29,961 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:10:29,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:10:29,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:10:29,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:10:29,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:10:29,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:10:29,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:10:29,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:10:29,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:10:29,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:10:29,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:10:29,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:10:29,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:10:29,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:10:29,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:10:29,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:10:29,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:10:29,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:10:29,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:10:29,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:10:29,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:10:29,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:10:29,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:10:29,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:10:29,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:10:29,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:10:29,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:10:29,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:10:29,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:10:29,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:10:29,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:10:30,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:10:30,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:10:30,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:10:30,039 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:10:30,039 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:10:30,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl [2019-08-09 14:10:30,040 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl' [2019-08-09 14:10:30,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:10:30,117 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:10:30,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:10:30,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:10:30,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:10:30,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:30,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:10:30,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:10:30,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:10:30,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:10:30,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:10:30" (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 14:10:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:10:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:10:30,977 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:10:30,977 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:10:30,991 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:30 BoogieIcfgContainer [2019-08-09 14:10:30,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:10:30,992 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:10:30,992 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:10:30,993 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:10:30,994 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:10:30" (1/1) ... [2019-08-09 14:10:31,153 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:10:31,162 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:10:31,166 INFO L168 Benchmark]: Toolchain (without parser) took 1047.88 ms. Allocated memory was 136.8 MB in the beginning and 173.5 MB in the end (delta: 36.7 MB). Free memory was 108.5 MB in the beginning and 143.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:31,167 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:10:31,169 INFO L168 Benchmark]: Boogie Preprocessor took 86.09 ms. Allocated memory is still 136.8 MB. Free memory was 108.3 MB in the beginning and 106.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:31,170 INFO L168 Benchmark]: RCFGBuilder took 787.85 ms. Allocated memory was 136.8 MB in the beginning and 173.5 MB in the end (delta: 36.7 MB). Free memory was 106.0 MB in the beginning and 152.9 MB in the end (delta: -46.9 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:31,172 INFO L168 Benchmark]: Symbolic Interpretation took 170.25 ms. Allocated memory is still 173.5 MB. Free memory was 152.9 MB in the beginning and 143.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:10:31,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 388]: 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)) (or (and (< ~r1 4) (= 1 ULTIMATE.start_check_~tmp~100)) (and (not (< ~r1 4)) (not (= (+ ~st4 ~st3 ~st2 ~st1) 1)) (= 0 ULTIMATE.start_check_~tmp~100))) (= ~nomsg ULTIMATE.start_node3_~m3~28) (not (= ~id4 ~id3)) (<= 0 (+ |ULTIMATE.start_init_#res| 2147483648)) (<= ~send2 127) (= |ULTIMATE.start_init_#res| ULTIMATE.start_init_~tmp~50) (= ~p2_old ~nomsg) (not (= (mod ~alive4 256) 0)) (<= 1 (+ (mod ~alive4 256) (mod ~alive2 256) (mod ~alive3 256) (mod ~alive1 256))) (< ULTIMATE.start_main_~i2~107 8) (<= 0 (+ ~id1 128)) (<= ULTIMATE.start_main_~c1~107 2147483647) (<= ~send4 127) (= ULTIMATE.start_main_~i2~107 0) (<= ~st4 127) (<= 0 ~id3) (<= 0 ~id1) (<= ~id1 127) (= ~send2 ~id2) (<= 0 (+ ~st1 128)) (<= 0 (+ ULTIMATE.start_main_~c1~107 2147483648)) (= ~nomsg ULTIMATE.start_node4_~m4~39) (= ULTIMATE.start_init_~tmp~50 1) (<= 0 (+ ~st4 128)) (<= 0 (+ ~id4 128)) (= 0 ~st4) (= ~p1_old ~nomsg) (= |ULTIMATE.start_assert_#in~arg| ULTIMATE.start_assert_~arg) (= ULTIMATE.start_node2_~m2~17 ~nomsg) (<= ~id4 127) (= ~p3_new ~nomsg) (= ~p2_new ~nomsg) (= ~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)) (or (and (not (<= (mod ~send4 256) 127)) (= ~p4_old (+ (mod ~send4 256) (- 256)))) (and (<= (mod ~send4 256) 127) (= ~p4_old (mod ~send4 256)))) (<= ~send3 127) (<= 0 (+ ~st3 128)) (= ULTIMATE.start_node1_~m1~7 ~nomsg) (= 0 (mod ~alive2 256)) (<= ~st3 127) (= ~mode3 1) (= ~p3_old ~nomsg) (<= (+ ~st4 ~st3 ~st2 ~st1) 1) (or (and (not (= ULTIMATE.start_main_~c1~107 0)) (= |ULTIMATE.start_assert_#in~arg| 1)) (and (= |ULTIMATE.start_assert_#in~arg| 0) (= ULTIMATE.start_main_~c1~107 0))) (= ~mode4 1) (= ULTIMATE.start_main_~c1~107 |ULTIMATE.start_check_#res|) (= ~p1_new ~nomsg) (= ~r1 0) (<= 0 (+ ~id2 128)) (<= ~send1 127) (= ULTIMATE.start_check_~tmp~100 |ULTIMATE.start_check_#res|) (<= 0 (+ ~send3 128)) (<= ~id2 127) (<= 0 ~id2) (= ~p4_new ~nomsg) (not (= ~id4 ~id2)) (= ~mode1 1) (<= 0 ~id4) (= 0 ~st3) (<= ~st1 127) (<= ~id3 127) (= ~send1 ~id1) (= ~mode2 1) (= (mod ~alive3 256) 0) (not (= ~id3 ~id1)) (= 0 (mod ~alive1 256)) (not (= ~nomsg ~send4)) (= ~nomsg (- 1)) (= 0 (mod ULTIMATE.start_assert_~arg 256)) (not (= ~id4 ~id1)) (<= 0 (+ ~st2 128)) (= ~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 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.09 ms. Allocated memory is still 136.8 MB. Free memory was 108.3 MB in the beginning and 106.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 787.85 ms. Allocated memory was 136.8 MB in the beginning and 173.5 MB in the end (delta: 36.7 MB). Free memory was 106.0 MB in the beginning and 152.9 MB in the end (delta: -46.9 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 170.25 ms. Allocated memory is still 173.5 MB. Free memory was 152.9 MB in the beginning and 143.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...