java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/toy.cil.c_34.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:02,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:02,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:02,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:02,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:02,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:02,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:02,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:02,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:02,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:02,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:02,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:02,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:15:02,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:02,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:02,497 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:02,497 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:02,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:02,498 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:02,498 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:02,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:02,498 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:02,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:02,499 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:02,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:02,499 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:02,499 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:02,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:02,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:02,500 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:02,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:02,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:02,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:02,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:02,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:02,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:02,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:02,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:02,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:02,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:02,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:02,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:02,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:02,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:02,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:02,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:02,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:02,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:02,506 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:02,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:02,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:02,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:02,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:02,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:02,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:02,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:02,586 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:02,586 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:02,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/toy.cil.c_34.bpl [2019-08-05 12:15:02,588 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/toy.cil.c_34.bpl' [2019-08-05 12:15:02,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:02,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:02,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:02,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:02,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:02,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:02,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:02,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:02,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:02,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:02,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:02,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:02,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:02,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:03,453 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 12:15:03,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:03,454 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 12:15:03,456 INFO L202 PluginConnector]: Adding new model toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:03 BoogieIcfgContainer [2019-08-05 12:15:03,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:03,457 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:03,457 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:03,457 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:03,458 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "toy.cil.c_34.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:03" (1/1) ... [2019-08-05 12:15:03,493 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:04,416 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:04,443 INFO L272 AbstractInterpreter]: Visited 51 different actions 599 times. Merged at 49 different actions 337 times. Widened at 32 different actions 113 times. Performed 5027 root evaluator evaluations with a maximum evaluation depth of 4. Performed 5027 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 143 fixpoints after 34 different actions. Largest state had 0 variables. [2019-08-05 12:15:04,444 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:04,449 INFO L168 Benchmark]: Toolchain (without parser) took 1778.19 ms. Allocated memory was 138.4 MB in the beginning and 175.6 MB in the end (delta: 37.2 MB). Free memory was 105.6 MB in the beginning and 61.2 MB in the end (delta: 44.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:04,450 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:04,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.14 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 103.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:04,456 INFO L168 Benchmark]: Boogie Preprocessor took 62.89 ms. Allocated memory is still 138.4 MB. Free memory was 103.8 MB in the beginning and 102.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:04,457 INFO L168 Benchmark]: RCFGBuilder took 677.09 ms. Allocated memory is still 138.4 MB. Free memory was 102.2 MB in the beginning and 81.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:04,458 INFO L168 Benchmark]: Abstract Interpretation took 987.02 ms. Allocated memory was 138.4 MB in the beginning and 175.6 MB in the end (delta: 37.2 MB). Free memory was 81.7 MB in the beginning and 61.2 MB in the end (delta: 20.6 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:04,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 138.4 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.14 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 103.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.89 ms. Allocated memory is still 138.4 MB. Free memory was 103.8 MB in the beginning and 102.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 677.09 ms. Allocated memory is still 138.4 MB. Free memory was 102.2 MB in the beginning and 81.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 987.02 ms. Allocated memory was 138.4 MB in the beginning and 175.6 MB in the end (delta: 37.2 MB). Free memory was 81.7 MB in the beginning and 61.2 MB in the end (delta: 20.6 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 333]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L70] ~c := 0; [L71] ~c_t := 0; [L72] ~c_req_up := 0; [L73] ~wl_st := 0; [L74] ~c1_st := 0; [L75] ~c2_st := 0; [L76] ~wb_st := 0; [L77] ~r_st := 0; [L78] ~wl_i := 0; [L79] ~c1_i := 0; [L80] ~c2_i := 0; [L81] ~wb_i := 0; [L82] ~r_i := 0; [L83] ~wl_pc := 0; [L84] ~c1_pc := 0; [L85] ~c2_pc := 0; [L86] ~wb_pc := 0; [L87] ~e_e := 0; [L88] ~e_f := 0; [L89] ~e_g := 0; [L90] ~e_c := 0; [L91] ~e_wl := 0; [L92] ~d := 0; [L93] ~data := 0; [L94] ~processed := 0; [L95] ~t_b := 0; [L96] havoc main_#res; [L97] havoc main_~__retres1~240; [L98] havoc main_~__retres1~240; [L99] ~e_wl := 2; [L100] ~e_c := ~e_wl; [L101] ~e_g := ~e_c; [L102] ~e_f := ~e_g; [L103] ~e_e := ~e_f; [L104] ~wl_pc := 0; [L105] ~c1_pc := 0; [L106] ~c2_pc := 0; [L107] ~wb_pc := 0; [L108] ~wb_i := 1; [L109] ~c2_i := ~wb_i; [L110] ~c1_i := ~c2_i; [L111] ~wl_i := ~c1_i; [L112] ~r_i := 0; [L113] ~c_req_up := 0; [L114] ~d := 0; [L115] ~c := 0; [L116] havoc start_simulation_~kernel_st~123; [L117] havoc start_simulation_~kernel_st~123; [L118] start_simulation_~kernel_st~123 := 0; [L119] assume !(~c_req_up == 1); [L120] assume ~wl_i == 1; [L121] ~wl_st := 0; [L122] assume ~c1_i == 1; [L123] ~c1_st := 0; [L124] assume ~c2_i == 1; [L125] ~c2_st := 0; [L126] assume ~wb_i == 1; [L127] ~wb_st := 0; [L128] assume !(~r_i == 1); [L129] ~r_st := 2; [L130] assume !(~e_f == 0); [L131] assume !(~e_g == 0); [L132] assume !(~e_e == 0); [L133] assume !(~e_c == 0); [L134] assume !(~e_wl == 0); [L135] assume !(~wl_pc == 1); [L136] assume !(~wl_pc == 2); [L137] assume !(~c1_pc == 1); [L138] assume !(~c2_pc == 1); [L139] assume !(~wb_pc == 1); [L140] assume !(~e_c == 1); [L141] assume !(~e_e == 1); [L142] assume !(~e_f == 1); [L143] assume !(~e_g == 1); [L144] assume !(~e_c == 1); [L145] assume !(~e_wl == 1); [L149] assume !false; [L150] start_simulation_~kernel_st~123 := 1; [L151] havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~79, eval_~tmp___0~79, eval_~tmp___1~79, eval_~tmp___2~79, eval_~tmp___3~79; [L152] havoc eval_~tmp~79; [L153] havoc eval_~tmp___0~79; [L154] havoc eval_~tmp___1~79; [L155] havoc eval_~tmp___2~79; [L156] havoc eval_~tmp___3~79; [L160] assume !false; [L165] assume ~wl_st == 0; [L179] assume ~wl_st == 0; [L180] assume -2147483648 <= eval_#t~nondet0 && eval_#t~nondet0 <= 2147483647; [L181] eval_~tmp~79 := eval_#t~nondet0; [L182] havoc eval_#t~nondet0; [L183] assume eval_~tmp~79 != 0; [L184] ~wl_st := 1; [L185] havoc write_loop_~t~10; [L186] havoc write_loop_~t~10; [L213] assume ~wl_pc == 0; [L214] ~wl_st := 2; [L215] ~wl_pc := 1; [L216] ~e_wl := 0; [L200] assume ~c1_st == 0; [L201] assume -2147483648 <= eval_#t~nondet1 && eval_#t~nondet1 <= 2147483647; [L202] eval_~tmp___0~79 := eval_#t~nondet1; [L203] havoc eval_#t~nondet1; [L204] assume eval_~tmp___0~79 != 0; [L205] ~c1_st := 1; [L236] assume ~c1_pc == 0; [L299] assume !false; [L300] ~c1_st := 2; [L301] ~c1_pc := 1; [L252] assume ~c2_st == 0; [L253] assume -2147483648 <= eval_#t~nondet2 && eval_#t~nondet2 <= 2147483647; [L254] eval_~tmp___1~79 := eval_#t~nondet2; [L255] havoc eval_#t~nondet2; [L256] assume eval_~tmp___1~79 != 0; [L257] ~c2_st := 1; [L306] assume ~c2_pc == 0; [L345] assume !false; [L346] ~c2_st := 2; [L347] ~c2_pc := 1; [L322] assume ~wb_st == 0; [L323] assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647; [L324] eval_~tmp___2~79 := eval_#t~nondet3; [L325] havoc eval_#t~nondet3; [L326] assume eval_~tmp___2~79 != 0; [L327] ~wb_st := 1; [L352] assume ~wb_pc == 0; [L393] assume !false; [L394] ~wb_st := 2; [L395] ~wb_pc := 1; [L380] assume !(~r_st == 0); [L160] assume !false; [L168] assume !(~wl_st == 0); [L169] assume !(~c1_st == 0); [L170] assume !(~c2_st == 0); [L171] assume !(~wb_st == 0); [L194] assume !(~r_st == 0); [L195] start_simulation_~kernel_st~123 := 2; [L224] assume !(~c_req_up == 1); [L292] start_simulation_~kernel_st~123 := 3; [L293] assume !(~e_f == 0); [L294] assume !(~e_g == 0); [L295] assume !(~e_e == 0); [L341] assume !(~e_c == 0); [L385] assume ~e_wl == 0; [L386] ~e_wl := 1; [L400] assume ~wl_pc == 1; [L401] assume ~e_wl == 1; [L402] ~wl_st := 0; [L410] assume ~c1_pc == 1; [L411] assume !(~e_f == 1); [L412] assume ~c2_pc == 1; [L413] assume !(~e_f == 1); [L414] assume ~wb_pc == 1; [L415] assume !(~e_g == 1); [L424] assume !(~e_c == 1); [L427] assume !(~e_e == 1); [L428] assume !(~e_f == 1); [L429] assume !(~e_g == 1); [L438] assume !(~e_c == 1); [L443] assume ~e_wl == 1; [L444] ~e_wl := 2; [L452] assume ~wl_st == 0; [L149] assume !false; [L150] start_simulation_~kernel_st~123 := 1; [L151] havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~79, eval_~tmp___0~79, eval_~tmp___1~79, eval_~tmp___2~79, eval_~tmp___3~79; [L152] havoc eval_~tmp~79; [L153] havoc eval_~tmp___0~79; [L154] havoc eval_~tmp___1~79; [L155] havoc eval_~tmp___2~79; [L156] havoc eval_~tmp___3~79; [L160] assume !false; [L165] assume ~wl_st == 0; [L179] assume ~wl_st == 0; [L180] assume -2147483648 <= eval_#t~nondet0 && eval_#t~nondet0 <= 2147483647; [L181] eval_~tmp~79 := eval_#t~nondet0; [L182] havoc eval_#t~nondet0; [L183] assume eval_~tmp~79 != 0; [L184] ~wl_st := 1; [L185] havoc write_loop_~t~10; [L186] havoc write_loop_~t~10; [L219] assume !(~wl_pc == 0); [L265] assume ~wl_pc == 2; [L266] write_loop_~t~10 := ~t_b; [L267] assume !(~d == write_loop_~t~10 + 1); [L268] assume !(~d == write_loop_~t~10 + 2); [L269] assume !false; [L333] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...