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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:49,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:49,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:49,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:05:49,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:05:49,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:05:49,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:05:49,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:05:49,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:05:49,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:05:49,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:05:49,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:05:49,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:05:49,306 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:05:49,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:05:49,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:05:49,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:05:49,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:05:49,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:05:49,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:05:49,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:05:49,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:05:49,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 20:05:49,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 20:05:49,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 20:05:49,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 20:05:49,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 20:05:49,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 20:05:49,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 20:05:49,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 20:05:49,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 20:05:49,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 20:05:49,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 20:05:49,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 20:05:49,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 20:05:49,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 20:05:49,329 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-03 20:05:49,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:49,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:49,343 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:49,344 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:49,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:49,344 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:49,344 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:49,345 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:49,345 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:49,345 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:49,345 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:49,345 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:49,346 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:49,346 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:49,347 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:49,347 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:49,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:49,348 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:49,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:49,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:49,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:49,351 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:49,351 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:49,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:49,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:49,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:49,352 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:49,352 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:49,352 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:49,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:49,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:49,353 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:49,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:49,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:49,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:49,354 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:49,354 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:49,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:49,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:49,355 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:49,355 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:49,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:49,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:49,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:49,433 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:49,434 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:49,435 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl [2018-12-03 20:05:49,435 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl' [2018-12-03 20:05:49,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:49,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:49,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:49,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:49,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:49,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:49,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:49,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:49,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:49,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (1/1) ... [2018-12-03 20:05:49,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:49,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:49,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:49,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:49,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:49" (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 [2018-12-03 20:05:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:05:50,229 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:05:50,229 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:05:50,230 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:50 BoogieIcfgContainer [2018-12-03 20:05:50,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:05:50,231 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:05:50,231 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:05:50,231 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:05:50,232 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:50" (1/1) ... [2018-12-03 20:05:50,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:05:51,440 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:05:51,480 INFO L272 AbstractInterpreter]: Visited 18 different actions 124 times. Merged at 16 different actions 74 times. Widened at 12 different actions 22 times. Found 26 fixpoints after 11 different actions. Largest state had 0 variables. [2018-12-03 20:05:51,484 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:05:51,485 INFO L168 Benchmark]: Toolchain (without parser) took 1971.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:51,488 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:51,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:51,490 INFO L168 Benchmark]: Boogie Preprocessor took 35.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:51,490 INFO L168 Benchmark]: RCFGBuilder took 636.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:51,492 INFO L168 Benchmark]: Abstract Interpretation took 1253.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:51,498 INFO L336 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 636.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1253.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 308]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L95] ~r1 := 0; [L96] ~p1_old := 0; [L97] ~p1_new := 0; [L98] ~id1 := 0; [L99] ~st1 := 0; [L100] ~mode1 := 0; [L101] ~alive1 := 0; [L102] ~p2_old := 0; [L103] ~p2_new := 0; [L104] ~id2 := 0; [L105] ~st2 := 0; [L106] ~mode2 := 0; [L107] ~alive2 := 0; [L108] ~p3_old := 0; [L109] ~p3_new := 0; [L110] ~id3 := 0; [L111] ~st3 := 0; [L112] ~mode3 := 0; [L113] ~alive3 := 0; [L114] ~nomsg := -1; [L115] ~send1 := 0; [L116] ~send2 := 0; [L117] ~send3 := 0; [L118] havoc main_#res; [L119] havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21, main_#t~ret22, main_~c1~83, main_~i2~83; [L120] havoc main_~c1~83; [L121] havoc main_~i2~83; [L122] main_~c1~83 := 0; [L123] ~r1 := main_#t~nondet5; [L124] havoc main_#t~nondet5; [L125] assume -128 <= main_#t~nondet6 && main_#t~nondet6 <= 127; [L126] ~id1 := main_#t~nondet6; [L127] havoc main_#t~nondet6; [L128] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L129] ~st1 := main_#t~nondet7; [L130] havoc main_#t~nondet7; [L131] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L132] ~send1 := main_#t~nondet8; [L133] havoc main_#t~nondet8; [L134] ~mode1 := main_#t~nondet9; [L135] havoc main_#t~nondet9; [L136] ~alive1 := main_#t~nondet10; [L137] havoc main_#t~nondet10; [L138] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L139] ~id2 := main_#t~nondet11; [L140] havoc main_#t~nondet11; [L141] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L142] ~st2 := main_#t~nondet12; [L143] havoc main_#t~nondet12; [L144] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L145] ~send2 := main_#t~nondet13; [L146] havoc main_#t~nondet13; [L147] ~mode2 := main_#t~nondet14; [L148] havoc main_#t~nondet14; [L149] ~alive2 := main_#t~nondet15; [L150] havoc main_#t~nondet15; [L151] assume -128 <= main_#t~nondet16 && main_#t~nondet16 <= 127; [L152] ~id3 := main_#t~nondet16; [L153] havoc main_#t~nondet16; [L154] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L155] ~st3 := main_#t~nondet17; [L156] havoc main_#t~nondet17; [L157] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L158] ~send3 := main_#t~nondet18; [L159] havoc main_#t~nondet18; [L160] ~mode3 := main_#t~nondet19; [L161] havoc main_#t~nondet19; [L162] ~alive3 := main_#t~nondet20; [L163] havoc main_#t~nondet20; [L164] havoc init_#res; [L165] havoc init_~tmp~40; [L166] havoc init_~tmp~40; [L167] assume ~r1 % 256 == 0; [L168] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 >= 1; [L169] assume ~id1 >= 0; [L170] assume ~st1 == 0; [L171] assume ~send1 == ~id1; [L172] assume ~mode1 % 256 == 0; [L173] assume ~id2 >= 0; [L174] assume ~st2 == 0; [L175] assume ~send2 == ~id2; [L176] assume ~mode2 % 256 == 0; [L177] assume ~id3 >= 0; [L178] assume ~st3 == 0; [L179] assume ~send3 == ~id3; [L180] assume ~mode3 % 256 == 0; [L181] assume ~id1 != ~id2; [L182] assume ~id1 != ~id3; [L183] assume ~id2 != ~id3; [L184] init_~tmp~40 := 1; [L185] init_#res := init_~tmp~40; [L186] main_#t~ret21 := init_#res; [L187] assume -2147483648 <= main_#t~ret21 && main_#t~ret21 <= 2147483647; [L188] main_~i2~83 := main_#t~ret21; [L189] havoc main_#t~ret21; [L190] assume main_~i2~83 != 0; [L191] ~p1_old := ~nomsg; [L192] ~p1_new := ~nomsg; [L193] ~p2_old := ~nomsg; [L194] ~p2_new := ~nomsg; [L195] ~p3_old := ~nomsg; [L196] ~p3_new := ~nomsg; [L197] main_~i2~83 := 0; [L201] assume !false; [L202] havoc node1_#t~ite0, node1_~m1~7; [L203] havoc node1_~m1~7; [L204] node1_~m1~7 := ~nomsg; [L209] assume !(~mode1 % 256 != 0); [L210] assume !(~alive1 % 256 != 0); [L211] ~mode1 := 1; [L223] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~18; [L224] havoc node2_~m2~18; [L225] node2_~m2~18 := ~nomsg; [L237] assume !(~mode2 % 256 != 0); [L238] assume !(~alive2 % 256 != 0); [L239] assume !(~send2 != ~id2); [L240] ~mode2 := 1; [L243] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~29; [L244] havoc node3_~m3~29; [L245] node3_~m3~29 := ~nomsg; [L250] assume !(~mode3 % 256 != 0); [L251] assume ~alive3 % 256 != 0; [L252] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L253] node3_#t~ite3 := ~send3; [L254] ~p3_new := (if node3_#t~ite3 % 256 <= 127 then node3_#t~ite3 % 256 else node3_#t~ite3 % 256 - 256); [L255] havoc node3_#t~ite3; [L256] ~mode3 := 1; [L266] ~p1_old := ~p1_new; [L267] ~p1_new := ~nomsg; [L268] ~p2_old := ~p2_new; [L269] ~p2_new := ~nomsg; [L270] ~p3_old := ~p3_new; [L271] ~p3_new := ~nomsg; [L272] havoc check_#res; [L273] havoc check_~tmp~76; [L274] havoc check_~tmp~76; [L275] assume ~st1 + ~st2 + ~st3 <= 1; [L280] assume ~r1 % 256 < 3; [L281] check_~tmp~76 := 1; [L289] check_#res := check_~tmp~76; [L290] main_#t~ret22 := check_#res; [L291] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L292] main_~c1~83 := main_#t~ret22; [L293] havoc main_#t~ret22; [L294] assert_#in~arg := (if main_~c1~83 == 0 then 0 else 1); [L295] havoc assert_~arg; [L296] assert_~arg := assert_#in~arg; [L305] assume !(assert_~arg % 256 == 0); [L201] assume !false; [L202] havoc node1_#t~ite0, node1_~m1~7; [L203] havoc node1_~m1~7; [L204] node1_~m1~7 := ~nomsg; [L214] assume ~mode1 % 256 != 0; [L215] assume !(~r1 % 256 == 255); [L216] ~r1 := ~r1 % 256 + 1; [L217] node1_~m1~7 := ~p3_old; [L218] ~p3_old := ~nomsg; [L219] assume !(node1_~m1~7 != ~nomsg); [L220] ~mode1 := 0; [L223] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~18; [L224] havoc node2_~m2~18; [L225] node2_~m2~18 := ~nomsg; [L230] assume ~mode2 % 256 != 0; [L231] node2_~m2~18 := ~p1_old; [L232] ~p1_old := ~nomsg; [L233] assume !(node2_~m2~18 != ~nomsg); [L234] ~mode2 := 0; [L243] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~29; [L244] havoc node3_~m3~29; [L245] node3_~m3~29 := ~nomsg; [L259] assume ~mode3 % 256 != 0; [L260] node3_~m3~29 := ~p2_old; [L261] ~p2_old := ~nomsg; [L262] assume !(node3_~m3~29 != ~nomsg); [L263] ~mode3 := 0; [L266] ~p1_old := ~p1_new; [L267] ~p1_new := ~nomsg; [L268] ~p2_old := ~p2_new; [L269] ~p2_new := ~nomsg; [L270] ~p3_old := ~p3_new; [L271] ~p3_new := ~nomsg; [L272] havoc check_#res; [L273] havoc check_~tmp~76; [L274] havoc check_~tmp~76; [L275] assume ~st1 + ~st2 + ~st3 <= 1; [L280] assume ~r1 % 256 < 3; [L281] check_~tmp~76 := 1; [L289] check_#res := check_~tmp~76; [L290] main_#t~ret22 := check_#res; [L291] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L292] main_~c1~83 := main_#t~ret22; [L293] havoc main_#t~ret22; [L294] assert_#in~arg := (if main_~c1~83 == 0 then 0 else 1); [L295] havoc assert_~arg; [L296] assert_~arg := assert_#in~arg; [L305] assume !(assert_~arg % 256 == 0); [L201] assume !false; [L202] havoc node1_#t~ite0, node1_~m1~7; [L203] havoc node1_~m1~7; [L204] node1_~m1~7 := ~nomsg; [L209] assume !(~mode1 % 256 != 0); [L210] assume !(~alive1 % 256 != 0); [L211] ~mode1 := 1; [L223] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~18; [L224] havoc node2_~m2~18; [L225] node2_~m2~18 := ~nomsg; [L237] assume !(~mode2 % 256 != 0); [L238] assume !(~alive2 % 256 != 0); [L239] assume !(~send2 != ~id2); [L240] ~mode2 := 1; [L243] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~29; [L244] havoc node3_~m3~29; [L245] node3_~m3~29 := ~nomsg; [L250] assume !(~mode3 % 256 != 0); [L251] assume ~alive3 % 256 != 0; [L252] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L253] node3_#t~ite3 := ~send3; [L254] ~p3_new := (if node3_#t~ite3 % 256 <= 127 then node3_#t~ite3 % 256 else node3_#t~ite3 % 256 - 256); [L255] havoc node3_#t~ite3; [L256] ~mode3 := 1; [L266] ~p1_old := ~p1_new; [L267] ~p1_new := ~nomsg; [L268] ~p2_old := ~p2_new; [L269] ~p2_new := ~nomsg; [L270] ~p3_old := ~p3_new; [L271] ~p3_new := ~nomsg; [L272] havoc check_#res; [L273] havoc check_~tmp~76; [L274] havoc check_~tmp~76; [L275] assume ~st1 + ~st2 + ~st3 <= 1; [L284] assume !(~r1 % 256 < 3); [L285] assume !(~st1 + ~st2 + ~st3 == 1); [L286] check_~tmp~76 := 0; [L289] check_#res := check_~tmp~76; [L290] main_#t~ret22 := check_#res; [L291] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L292] main_~c1~83 := main_#t~ret22; [L293] havoc main_#t~ret22; [L294] assert_#in~arg := (if main_~c1~83 == 0 then 0 else 1); [L295] havoc assert_~arg; [L296] assert_~arg := assert_#in~arg; [L301] assume assert_~arg % 256 == 0; [L302] assume !false; [L308] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...