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.4.1.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:51,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:51,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:51,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:05:51,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:05:51,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:05:51,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:05:51,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:05:51,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:05:51,307 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:05:51,308 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:05:51,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:05:51,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:05:51,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:05:51,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:05:51,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:05:51,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:05:51,318 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:05:51,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:05:51,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:05:51,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:05:51,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:05:51,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 20:05:51,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 20:05:51,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 20:05:51,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 20:05:51,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 20:05:51,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 20:05:51,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 20:05:51,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 20:05:51,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 20:05:51,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 20:05:51,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 20:05:51,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 20:05:51,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 20:05:51,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 20:05:51,356 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 20:05:51,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:51,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:51,377 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:51,377 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:51,377 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:51,378 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:51,378 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:51,378 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:51,378 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:51,378 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:51,379 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:51,379 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:51,379 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:51,379 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:51,380 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:51,380 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:51,381 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:51,381 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:51,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:51,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:51,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:51,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:51,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:51,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:51,383 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:51,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:51,383 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:51,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:51,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:51,384 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:51,384 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:51,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:51,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:51,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:51,385 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:51,385 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:51,385 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:51,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:51,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:51,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:51,386 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:51,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:51,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:51,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:51,452 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:51,453 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:51,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl [2018-12-03 20:05:51,454 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl' [2018-12-03 20:05:51,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:51,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:51,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:51,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:51,548 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:51,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:51,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:51,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:51,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:51,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (1/1) ... [2018-12-03 20:05:51,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:51,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:51,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:51,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:51,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:51" (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 20:05:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:51,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:05:52,386 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:05:52,386 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:05:52,387 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:52 BoogieIcfgContainer [2018-12-03 20:05:52,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:05:52,388 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:05:52,389 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:05:52,389 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:05:52,390 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:52" (1/1) ... [2018-12-03 20:05:52,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:05:53,738 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:05:53,787 INFO L272 AbstractInterpreter]: Visited 21 different actions 131 times. Merged at 19 different actions 76 times. Widened at 9 different actions 9 times. Found 27 fixpoints after 11 different actions. Largest state had 0 variables. [2018-12-03 20:05:53,789 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:05:53,791 INFO L168 Benchmark]: Toolchain (without parser) took 2244.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:53,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 20:05:53,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.61 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 20:05:53,795 INFO L168 Benchmark]: Boogie Preprocessor took 43.35 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 20:05:53,795 INFO L168 Benchmark]: RCFGBuilder took 752.59 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:53,797 INFO L168 Benchmark]: Abstract Interpretation took 1401.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:53,804 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 0.20 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 42.61 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 43.35 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 752.59 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1401.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 386]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L121] ~r1 := 0; [L122] ~p1_old := 0; [L123] ~p1_new := 0; [L124] ~id1 := 0; [L125] ~st1 := 0; [L126] ~mode1 := 0; [L127] ~alive1 := 0; [L128] ~p2_old := 0; [L129] ~p2_new := 0; [L130] ~id2 := 0; [L131] ~st2 := 0; [L132] ~mode2 := 0; [L133] ~alive2 := 0; [L134] ~p3_old := 0; [L135] ~p3_new := 0; [L136] ~id3 := 0; [L137] ~st3 := 0; [L138] ~mode3 := 0; [L139] ~alive3 := 0; [L140] ~p4_old := 0; [L141] ~p4_new := 0; [L142] ~id4 := 0; [L143] ~st4 := 0; [L144] ~mode4 := 0; [L145] ~alive4 := 0; [L146] ~nomsg := -1; [L147] ~send1 := 0; [L148] ~send2 := 0; [L149] ~send3 := 0; [L150] ~send4 := 0; [L151] havoc main_#res; [L152] havoc 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~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_~c1~110, main_~i2~110; [L153] havoc main_~c1~110; [L154] havoc main_~i2~110; [L155] main_~c1~110 := 0; [L156] ~r1 := main_#t~nondet8; [L157] havoc main_#t~nondet8; [L158] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L159] ~id1 := main_#t~nondet9; [L160] havoc main_#t~nondet9; [L161] assume -128 <= main_#t~nondet10 && main_#t~nondet10 <= 127; [L162] ~st1 := main_#t~nondet10; [L163] havoc main_#t~nondet10; [L164] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L165] ~send1 := main_#t~nondet11; [L166] havoc main_#t~nondet11; [L167] ~mode1 := main_#t~nondet12; [L168] havoc main_#t~nondet12; [L169] ~alive1 := main_#t~nondet13; [L170] havoc main_#t~nondet13; [L171] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L172] ~id2 := main_#t~nondet14; [L173] havoc main_#t~nondet14; [L174] assume -128 <= main_#t~nondet15 && main_#t~nondet15 <= 127; [L175] ~st2 := main_#t~nondet15; [L176] havoc main_#t~nondet15; [L177] assume -128 <= main_#t~nondet16 && main_#t~nondet16 <= 127; [L178] ~send2 := main_#t~nondet16; [L179] havoc main_#t~nondet16; [L180] ~mode2 := main_#t~nondet17; [L181] havoc main_#t~nondet17; [L182] ~alive2 := main_#t~nondet18; [L183] havoc main_#t~nondet18; [L184] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L185] ~id3 := main_#t~nondet19; [L186] havoc main_#t~nondet19; [L187] assume -128 <= main_#t~nondet20 && main_#t~nondet20 <= 127; [L188] ~st3 := main_#t~nondet20; [L189] havoc main_#t~nondet20; [L190] assume -128 <= main_#t~nondet21 && main_#t~nondet21 <= 127; [L191] ~send3 := main_#t~nondet21; [L192] havoc main_#t~nondet21; [L193] ~mode3 := main_#t~nondet22; [L194] havoc main_#t~nondet22; [L195] ~alive3 := main_#t~nondet23; [L196] havoc main_#t~nondet23; [L197] assume -128 <= main_#t~nondet24 && main_#t~nondet24 <= 127; [L198] ~id4 := main_#t~nondet24; [L199] havoc main_#t~nondet24; [L200] assume -128 <= main_#t~nondet25 && main_#t~nondet25 <= 127; [L201] ~st4 := main_#t~nondet25; [L202] havoc main_#t~nondet25; [L203] assume -128 <= main_#t~nondet26 && main_#t~nondet26 <= 127; [L204] ~send4 := main_#t~nondet26; [L205] havoc main_#t~nondet26; [L206] ~mode4 := main_#t~nondet27; [L207] havoc main_#t~nondet27; [L208] ~alive4 := main_#t~nondet28; [L209] havoc main_#t~nondet28; [L210] havoc init_#res; [L211] havoc init_~tmp~53; [L212] havoc init_~tmp~53; [L213] assume ~r1 % 256 == 0; [L214] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 + ~alive4 % 256 >= 1; [L215] assume ~id1 >= 0; [L216] assume ~st1 == 0; [L217] assume ~send1 == ~id1; [L218] assume ~mode1 % 256 == 0; [L219] assume ~id2 >= 0; [L220] assume ~st2 == 0; [L221] assume ~send2 == ~id2; [L222] assume ~mode2 % 256 == 0; [L223] assume ~id3 >= 0; [L224] assume ~st3 == 0; [L225] assume ~send3 == ~id3; [L226] assume ~mode3 % 256 == 0; [L227] assume ~id4 >= 0; [L228] assume ~st4 == 0; [L229] assume ~send4 == ~id4; [L230] assume ~mode4 % 256 == 0; [L231] assume ~id1 != ~id2; [L232] assume ~id1 != ~id3; [L233] assume ~id1 != ~id4; [L234] assume ~id2 != ~id3; [L235] assume ~id2 != ~id4; [L236] assume ~id3 != ~id4; [L237] init_~tmp~53 := 1; [L238] init_#res := init_~tmp~53; [L239] main_#t~ret29 := init_#res; [L240] assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647; [L241] main_~i2~110 := main_#t~ret29; [L242] havoc main_#t~ret29; [L243] assume main_~i2~110 != 0; [L244] ~p1_old := ~nomsg; [L245] ~p1_new := ~nomsg; [L246] ~p2_old := ~nomsg; [L247] ~p2_new := ~nomsg; [L248] ~p3_old := ~nomsg; [L249] ~p3_new := ~nomsg; [L250] ~p4_old := ~nomsg; [L251] ~p4_new := ~nomsg; [L252] main_~i2~110 := 0; [L256] assume !false; [L257] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L258] havoc node1_~m1~7; [L259] node1_~m1~7 := ~nomsg; [L273] assume !(~mode1 % 256 != 0); [L274] assume ~alive1 % 256 != 0; [L275] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L276] node1_#t~ite0 := ~send1; [L277] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L278] havoc node1_#t~ite0; [L279] ~mode1 := 1; [L282] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L283] havoc node2_~m2~20; [L284] node2_~m2~20 := ~nomsg; [L296] assume !(~mode2 % 256 != 0); [L297] assume !(~alive2 % 256 != 0); [L298] assume !(~send2 != ~id2); [L299] ~mode2 := 1; [L302] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L303] havoc node3_~m3~31; [L304] node3_~m3~31 := ~nomsg; [L316] assume !(~mode3 % 256 != 0); [L317] assume !(~alive3 % 256 != 0); [L318] assume !(~send3 != ~id3); [L319] ~mode3 := 1; [L322] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L323] havoc node4_~m4~42; [L324] node4_~m4~42 := ~nomsg; [L336] assume !(~mode4 % 256 != 0); [L337] assume !(~alive4 % 256 != 0); [L338] assume !(~send4 != ~id4); [L339] ~mode4 := 1; [L342] ~p1_old := ~p1_new; [L343] ~p1_new := ~nomsg; [L344] ~p2_old := ~p2_new; [L345] ~p2_new := ~nomsg; [L346] ~p3_old := ~p3_new; [L347] ~p3_new := ~nomsg; [L348] ~p4_old := ~p4_new; [L349] ~p4_new := ~nomsg; [L350] havoc check_#res; [L351] havoc check_~tmp~103; [L352] havoc check_~tmp~103; [L353] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L358] assume ~r1 % 256 < 4; [L359] check_~tmp~103 := 1; [L367] check_#res := check_~tmp~103; [L368] main_#t~ret30 := check_#res; [L369] assume -2147483648 <= main_#t~ret30 && main_#t~ret30 <= 2147483647; [L370] main_~c1~110 := main_#t~ret30; [L371] havoc main_#t~ret30; [L372] assert_#in~arg := (if main_~c1~110 == 0 then 0 else 1); [L373] havoc assert_~arg; [L374] assert_~arg := assert_#in~arg; [L383] assume !(assert_~arg % 256 == 0); [L256] assume !false; [L257] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L258] havoc node1_~m1~7; [L259] node1_~m1~7 := ~nomsg; [L264] assume ~mode1 % 256 != 0; [L265] assume !(~r1 % 256 == 255); [L266] ~r1 := ~r1 % 256 + 1; [L267] node1_~m1~7 := ~p4_old; [L268] ~p4_old := ~nomsg; [L269] assume !(node1_~m1~7 != ~nomsg); [L270] ~mode1 := 0; [L282] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L283] havoc node2_~m2~20; [L284] node2_~m2~20 := ~nomsg; [L289] assume ~mode2 % 256 != 0; [L290] node2_~m2~20 := ~p1_old; [L291] ~p1_old := ~nomsg; [L292] assume !(node2_~m2~20 != ~nomsg); [L293] ~mode2 := 0; [L302] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L303] havoc node3_~m3~31; [L304] node3_~m3~31 := ~nomsg; [L309] assume ~mode3 % 256 != 0; [L310] node3_~m3~31 := ~p2_old; [L311] ~p2_old := ~nomsg; [L312] assume !(node3_~m3~31 != ~nomsg); [L313] ~mode3 := 0; [L322] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L323] havoc node4_~m4~42; [L324] node4_~m4~42 := ~nomsg; [L329] assume ~mode4 % 256 != 0; [L330] node4_~m4~42 := ~p3_old; [L331] ~p3_old := ~nomsg; [L332] assume !(node4_~m4~42 != ~nomsg); [L333] ~mode4 := 0; [L342] ~p1_old := ~p1_new; [L343] ~p1_new := ~nomsg; [L344] ~p2_old := ~p2_new; [L345] ~p2_new := ~nomsg; [L346] ~p3_old := ~p3_new; [L347] ~p3_new := ~nomsg; [L348] ~p4_old := ~p4_new; [L349] ~p4_new := ~nomsg; [L350] havoc check_#res; [L351] havoc check_~tmp~103; [L352] havoc check_~tmp~103; [L353] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L358] assume ~r1 % 256 < 4; [L359] check_~tmp~103 := 1; [L367] check_#res := check_~tmp~103; [L368] main_#t~ret30 := check_#res; [L369] assume -2147483648 <= main_#t~ret30 && main_#t~ret30 <= 2147483647; [L370] main_~c1~110 := main_#t~ret30; [L371] havoc main_#t~ret30; [L372] assert_#in~arg := (if main_~c1~110 == 0 then 0 else 1); [L373] havoc assert_~arg; [L374] assert_~arg := assert_#in~arg; [L383] assume !(assert_~arg % 256 == 0); [L256] assume !false; [L257] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L258] havoc node1_~m1~7; [L259] node1_~m1~7 := ~nomsg; [L264] assume ~mode1 % 256 != 0; [L265] assume !(~r1 % 256 == 255); [L266] ~r1 := ~r1 % 256 + 1; [L267] node1_~m1~7 := ~p4_old; [L268] ~p4_old := ~nomsg; [L269] assume !(node1_~m1~7 != ~nomsg); [L270] ~mode1 := 0; [L282] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L283] havoc node2_~m2~20; [L284] node2_~m2~20 := ~nomsg; [L296] assume !(~mode2 % 256 != 0); [L297] assume !(~alive2 % 256 != 0); [L298] assume !(~send2 != ~id2); [L299] ~mode2 := 1; [L302] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L303] havoc node3_~m3~31; [L304] node3_~m3~31 := ~nomsg; [L309] assume ~mode3 % 256 != 0; [L310] node3_~m3~31 := ~p2_old; [L311] ~p2_old := ~nomsg; [L312] assume !(node3_~m3~31 != ~nomsg); [L313] ~mode3 := 0; [L322] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L323] havoc node4_~m4~42; [L324] node4_~m4~42 := ~nomsg; [L336] assume !(~mode4 % 256 != 0); [L337] assume !(~alive4 % 256 != 0); [L338] assume !(~send4 != ~id4); [L339] ~mode4 := 1; [L342] ~p1_old := ~p1_new; [L343] ~p1_new := ~nomsg; [L344] ~p2_old := ~p2_new; [L345] ~p2_new := ~nomsg; [L346] ~p3_old := ~p3_new; [L347] ~p3_new := ~nomsg; [L348] ~p4_old := ~p4_new; [L349] ~p4_new := ~nomsg; [L350] havoc check_#res; [L351] havoc check_~tmp~103; [L352] havoc check_~tmp~103; [L353] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L362] assume !(~r1 % 256 < 4); [L363] assume !(~st1 + ~st2 + ~st3 + ~st4 == 1); [L364] check_~tmp~103 := 0; [L367] check_#res := check_~tmp~103; [L368] main_#t~ret30 := check_#res; [L369] assume -2147483648 <= main_#t~ret30 && main_#t~ret30 <= 2147483647; [L370] main_~c1~110 := main_#t~ret30; [L371] havoc main_#t~ret30; [L372] assert_#in~arg := (if main_~c1~110 == 0 then 0 else 1); [L373] havoc assert_~arg; [L374] assert_~arg := assert_#in~arg; [L379] assume assert_~arg % 256 == 0; [L380] assume !false; [L386] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...