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.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:09:41,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:09:41,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:09:41,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:09:41,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:09:41,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:09:41,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:09:41,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:09:41,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:09:41,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:09:41,585 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:09:41,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:09:41,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:09:41,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:09:41,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:09:41,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:09:41,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:09:41,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:09:41,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:09:41,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:09:41,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:09:41,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:09:41,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:09:41,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:09:41,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:09:41,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:09:41,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:09:41,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:09:41,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:09:41,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:09:41,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:09:41,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:09:41,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:09:41,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:09:41,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:09:41,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:09:41,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:09:41,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:09:41,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:09:41,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:09:41,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:09:41,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:09:41,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:09:41,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:09:41,675 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:09:41,676 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:09:41,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl [2019-08-09 14:09:41,677 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl' [2019-08-09 14:09:41,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:09:41,742 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:09:41,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:09:41,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:09:41,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:09:41,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (1/1) ... [2019-08-09 14:09:41,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:09:41,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:09:41,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:09:41,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:09:41,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:09:41" (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 14:09:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:09:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:09:42,634 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:09:42,635 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:09:42,636 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:42 BoogieIcfgContainer [2019-08-09 14:09:42,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:09:42,637 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:09:42,637 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:09:42,637 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:09:42,638 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:09:42" (1/1) ... [2019-08-09 14:09:42,808 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:09:42,816 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:09:42,820 INFO L168 Benchmark]: Toolchain (without parser) took 1076.44 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 108.0 MB in the beginning and 144.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:42,821 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:09:42,822 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:42,823 INFO L168 Benchmark]: RCFGBuilder took 840.14 ms. Allocated memory is still 133.7 MB. Free memory was 105.4 MB in the beginning and 64.7 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:42,825 INFO L168 Benchmark]: Symbolic Interpretation took 179.47 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 64.5 MB in the beginning and 144.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:09:42,829 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)) (< ULTIMATE.start_main_~i2~108 8) (not (= ~id4 ~id3)) (<= 0 (+ |ULTIMATE.start_init_#res| 2147483648)) (<= ~send2 127) (= ULTIMATE.start_main_~c1~108 |ULTIMATE.start_check_#res|) (= |ULTIMATE.start_init_#res| ULTIMATE.start_init_~tmp~51) (= ~p2_old ~nomsg) (<= 1 (+ (mod ~alive4 256) (mod ~alive2 256) (mod ~alive3 256) (mod ~alive1 256))) (<= ULTIMATE.start_main_~c1~108 2147483647) (<= 0 (+ ~id1 128)) (<= ~send4 127) (<= ~st4 127) (<= 0 ~id3) (= ULTIMATE.start_check_~tmp~101 |ULTIMATE.start_check_#res|) (<= 0 ~id1) (<= ~id1 127) (= ~send2 ~id2) (= ~nomsg ULTIMATE.start_node3_~m3~29) (<= 0 (+ ~st1 128)) (= ~nomsg ULTIMATE.start_node4_~m4~40) (= ~p4_old ~nomsg) (<= 0 (+ ~st4 128)) (<= 0 (+ ~id4 128)) (= ~p1_old ~nomsg) (= 0 ~st4) (= |ULTIMATE.start_assert_#in~arg| ULTIMATE.start_assert_~arg) (<= ~id4 127) (= ~p3_new ~nomsg) (= ~p2_new ~nomsg) (= ~send3 ~id3) (= ULTIMATE.start_init_~tmp~51 1) (<= 0 (+ ~send1 128)) (= 0 ~st1) (<= |ULTIMATE.start_init_#res| 2147483647) (= 0 ~st2) (or (and (not (< ~r1 4)) (not (= (+ ~st4 ~st3 ~st2 ~st1) 1)) (= 0 ULTIMATE.start_check_~tmp~101)) (and (< ~r1 4) (= 1 ULTIMATE.start_check_~tmp~101))) (not (= ~id3 ~id2)) (<= ~st2 127) (<= 0 (+ ~send2 128)) (<= 0 (+ ~send4 128)) (<= ~send3 127) (not (= ~nomsg ~send3)) (<= 0 (+ ~st3 128)) (= ULTIMATE.start_node1_~m1~7 ~nomsg) (= 0 (mod ~alive2 256)) (= ~mode3 1) (<= ~st3 127) (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) (= ULTIMATE.start_main_~i2~108 0) (= ~mode4 1) (= ~p1_new ~nomsg) (= ~r1 0) (<= 0 (+ ~id2 128)) (not (= (mod ~alive3 256) 0)) (<= ~send1 127) (<= 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) (= ULTIMATE.start_node2_~m2~18 ~nomsg) (or (and (= |ULTIMATE.start_assert_#in~arg| 0) (= ULTIMATE.start_main_~c1~108 0)) (and (= |ULTIMATE.start_assert_#in~arg| 1) (not (= ULTIMATE.start_main_~c1~108 0)))) (= ~mode2 1) (not (= ~id3 ~id1)) (= 0 (mod ~alive1 256)) (<= 0 (+ ULTIMATE.start_main_~c1~108 2147483648)) (= ~nomsg (- 1)) (= 0 (mod ULTIMATE.start_assert_~arg 256)) (not (= ~id4 ~id1)) (<= 0 (+ ~st2 128)) (= (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 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.54 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 840.14 ms. Allocated memory is still 133.7 MB. Free memory was 105.4 MB in the beginning and 64.7 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 179.47 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 64.5 MB in the beginning and 144.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...