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/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:14,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:14,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:14,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:14,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 22:00:14,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 22:00:14,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 22:00:14,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 22:00:14,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 22:00:14,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 22:00:14,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 22:00:14,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 22:00:14,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 22:00:14,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 22:00:14,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 22:00:14,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 22:00:14,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-04 22:00:14,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:14,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:14,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:14,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:14,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:14,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:14,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:14,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:14,712 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 [2019-08-04 22:00:14,733 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:14,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:14,734 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:14,734 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:14,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:14,735 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:14,735 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:14,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:14,736 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:14,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:14,736 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:14,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:14,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:14,737 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:14,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:14,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:14,738 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:14,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:14,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:14,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:14,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:14,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:14,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:14,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:14,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:14,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:14,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:14,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:14,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:14,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:14,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:14,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:14,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:14,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:14,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:14,743 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:14,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:14,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:14,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:14,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:14,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:14,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:14,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:14,814 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:14,815 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:14,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl [2019-08-04 22:00:14,816 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl' [2019-08-04 22:00:14,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:14,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:14,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:14,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:14,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:14,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:14,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:14,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:14,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:14,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:14,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:14,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:14,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:14,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:14,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (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 [2019-08-04 22:00:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:15,623 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:15,623 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:15,624 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:15 BoogieIcfgContainer [2019-08-04 22:00:15,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:15,625 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:15,625 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:15,626 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:15,627 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:15" (1/1) ... [2019-08-04 22:00:15,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:16,147 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:16,177 INFO L272 AbstractInterpreter]: Visited 18 different actions 113 times. Merged at 16 different actions 66 times. Widened at 3 different actions 3 times. Performed 1337 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1337 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 23 fixpoints after 10 different actions. Largest state had 0 variables. [2019-08-04 22:00:16,177 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:16,184 INFO L168 Benchmark]: Toolchain (without parser) took 1286.14 ms. Allocated memory was 141.0 MB in the beginning and 177.2 MB in the end (delta: 36.2 MB). Free memory was 106.6 MB in the beginning and 133.3 MB in the end (delta: -26.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,186 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.12 ms. Allocated memory is still 141.0 MB. Free memory was 106.4 MB in the beginning and 104.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,191 INFO L168 Benchmark]: Boogie Preprocessor took 55.31 ms. Allocated memory is still 141.0 MB. Free memory was 104.7 MB in the beginning and 103.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,192 INFO L168 Benchmark]: RCFGBuilder took 628.35 ms. Allocated memory is still 141.0 MB. Free memory was 103.2 MB in the beginning and 85.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,193 INFO L168 Benchmark]: Abstract Interpretation took 552.39 ms. Allocated memory was 141.0 MB in the beginning and 177.2 MB in the end (delta: 36.2 MB). Free memory was 85.3 MB in the beginning and 133.3 MB in the end (delta: -48.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:16,201 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 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.12 ms. Allocated memory is still 141.0 MB. Free memory was 106.4 MB in the beginning and 104.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.31 ms. Allocated memory is still 141.0 MB. Free memory was 104.7 MB in the beginning and 103.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 628.35 ms. Allocated memory is still 141.0 MB. Free memory was 103.2 MB in the beginning and 85.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 552.39 ms. Allocated memory was 141.0 MB in the beginning and 177.2 MB in the end (delta: 36.2 MB). Free memory was 85.3 MB in the beginning and 133.3 MB in the end (delta: -48.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 310]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L96] ~r1 := 0; [L97] ~p1_old := 0; [L98] ~p1_new := 0; [L99] ~id1 := 0; [L100] ~st1 := 0; [L101] ~mode1 := 0; [L102] ~alive1 := 0; [L103] ~p2_old := 0; [L104] ~p2_new := 0; [L105] ~id2 := 0; [L106] ~st2 := 0; [L107] ~mode2 := 0; [L108] ~alive2 := 0; [L109] ~p3_old := 0; [L110] ~p3_new := 0; [L111] ~id3 := 0; [L112] ~st3 := 0; [L113] ~mode3 := 0; [L114] ~alive3 := 0; [L115] ~nomsg := -1; [L116] ~send1 := 0; [L117] ~send2 := 0; [L118] ~send3 := 0; [L119] havoc main_#res; [L120] havoc 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~nondet21, main_#t~ret22, main_#t~ret23, main_~c1~85, main_~i2~85; [L121] havoc main_~c1~85; [L122] havoc main_~i2~85; [L123] main_~c1~85 := 0; [L124] ~r1 := main_#t~nondet6; [L125] havoc main_#t~nondet6; [L126] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L127] ~id1 := main_#t~nondet7; [L128] havoc main_#t~nondet7; [L129] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L130] ~st1 := main_#t~nondet8; [L131] havoc main_#t~nondet8; [L132] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L133] ~send1 := main_#t~nondet9; [L134] havoc main_#t~nondet9; [L135] ~mode1 := main_#t~nondet10; [L136] havoc main_#t~nondet10; [L137] ~alive1 := main_#t~nondet11; [L138] havoc main_#t~nondet11; [L139] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L140] ~id2 := main_#t~nondet12; [L141] havoc main_#t~nondet12; [L142] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L143] ~st2 := main_#t~nondet13; [L144] havoc main_#t~nondet13; [L145] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L146] ~send2 := main_#t~nondet14; [L147] havoc main_#t~nondet14; [L148] ~mode2 := main_#t~nondet15; [L149] havoc main_#t~nondet15; [L150] ~alive2 := main_#t~nondet16; [L151] havoc main_#t~nondet16; [L152] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L153] ~id3 := main_#t~nondet17; [L154] havoc main_#t~nondet17; [L155] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L156] ~st3 := main_#t~nondet18; [L157] havoc main_#t~nondet18; [L158] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L159] ~send3 := main_#t~nondet19; [L160] havoc main_#t~nondet19; [L161] ~mode3 := main_#t~nondet20; [L162] havoc main_#t~nondet20; [L163] ~alive3 := main_#t~nondet21; [L164] havoc main_#t~nondet21; [L165] havoc init_#res; [L166] havoc init_~tmp~42; [L167] havoc init_~tmp~42; [L168] assume ~r1 % 256 == 0; [L169] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 >= 1; [L170] assume ~id1 >= 0; [L171] assume ~st1 == 0; [L172] assume ~send1 == ~id1; [L173] assume ~mode1 % 256 == 0; [L174] assume ~id2 >= 0; [L175] assume ~st2 == 0; [L176] assume ~send2 == ~id2; [L177] assume ~mode2 % 256 == 0; [L178] assume ~id3 >= 0; [L179] assume ~st3 == 0; [L180] assume ~send3 == ~id3; [L181] assume ~mode3 % 256 == 0; [L182] assume ~id1 != ~id2; [L183] assume ~id1 != ~id3; [L184] assume ~id2 != ~id3; [L185] init_~tmp~42 := 1; [L186] init_#res := init_~tmp~42; [L187] main_#t~ret22 := init_#res; [L188] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L189] main_~i2~85 := main_#t~ret22; [L190] havoc main_#t~ret22; [L191] assume main_~i2~85 != 0; [L192] ~p1_old := ~nomsg; [L193] ~p1_new := ~nomsg; [L194] ~p2_old := ~nomsg; [L195] ~p2_new := ~nomsg; [L196] ~p3_old := ~nomsg; [L197] ~p3_new := ~nomsg; [L198] main_~i2~85 := 0; [L202] assume !false; [L203] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L204] havoc node1_~m1~7; [L205] node1_~m1~7 := ~nomsg; [L210] assume !(~mode1 % 256 != 0); [L211] assume !(~alive1 % 256 != 0); [L212] assume !(~send1 != ~id1); [L213] ~mode1 := 1; [L225] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L226] havoc node2_~m2~20; [L227] node2_~m2~20 := ~nomsg; [L239] assume !(~mode2 % 256 != 0); [L240] assume ~alive2 % 256 != 0; [L241] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L242] node2_#t~ite2 := ~send2; [L243] ~p2_new := (if node2_#t~ite2 % 256 <= 127 then node2_#t~ite2 % 256 else node2_#t~ite2 % 256 - 256); [L244] havoc node2_#t~ite2; [L245] ~mode2 := 1; [L248] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L249] havoc node3_~m3~31; [L250] node3_~m3~31 := ~nomsg; [L255] assume !(~mode3 % 256 != 0); [L256] assume !(~alive3 % 256 != 0); [L257] assume !(~send3 != ~id3); [L258] ~mode3 := 1; [L268] ~p1_old := ~p1_new; [L269] ~p1_new := ~nomsg; [L270] ~p2_old := ~p2_new; [L271] ~p2_new := ~nomsg; [L272] ~p3_old := ~p3_new; [L273] ~p3_new := ~nomsg; [L274] havoc check_#res; [L275] havoc check_~tmp~78; [L276] havoc check_~tmp~78; [L277] assume ~st1 + ~st2 + ~st3 <= 1; [L282] assume ~r1 % 256 < 3; [L283] check_~tmp~78 := 1; [L291] check_#res := check_~tmp~78; [L292] main_#t~ret23 := check_#res; [L293] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L294] main_~c1~85 := main_#t~ret23; [L295] havoc main_#t~ret23; [L296] assert_#in~arg := (if main_~c1~85 == 0 then 0 else 1); [L297] havoc assert_~arg; [L298] assert_~arg := assert_#in~arg; [L307] assume !(assert_~arg % 256 == 0); [L202] assume !false; [L203] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L204] havoc node1_~m1~7; [L205] node1_~m1~7 := ~nomsg; [L216] assume ~mode1 % 256 != 0; [L217] assume !(~r1 % 256 == 255); [L218] ~r1 := ~r1 % 256 + 1; [L219] node1_~m1~7 := ~p3_old; [L220] ~p3_old := ~nomsg; [L221] assume !(node1_~m1~7 != ~nomsg); [L222] ~mode1 := 0; [L225] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L226] havoc node2_~m2~20; [L227] node2_~m2~20 := ~nomsg; [L232] assume ~mode2 % 256 != 0; [L233] node2_~m2~20 := ~p1_old; [L234] ~p1_old := ~nomsg; [L235] assume !(node2_~m2~20 != ~nomsg); [L236] ~mode2 := 0; [L248] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L249] havoc node3_~m3~31; [L250] node3_~m3~31 := ~nomsg; [L261] assume ~mode3 % 256 != 0; [L262] node3_~m3~31 := ~p2_old; [L263] ~p2_old := ~nomsg; [L264] assume !(node3_~m3~31 != ~nomsg); [L265] ~mode3 := 0; [L268] ~p1_old := ~p1_new; [L269] ~p1_new := ~nomsg; [L270] ~p2_old := ~p2_new; [L271] ~p2_new := ~nomsg; [L272] ~p3_old := ~p3_new; [L273] ~p3_new := ~nomsg; [L274] havoc check_#res; [L275] havoc check_~tmp~78; [L276] havoc check_~tmp~78; [L277] assume ~st1 + ~st2 + ~st3 <= 1; [L282] assume ~r1 % 256 < 3; [L283] check_~tmp~78 := 1; [L291] check_#res := check_~tmp~78; [L292] main_#t~ret23 := check_#res; [L293] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L294] main_~c1~85 := main_#t~ret23; [L295] havoc main_#t~ret23; [L296] assert_#in~arg := (if main_~c1~85 == 0 then 0 else 1); [L297] havoc assert_~arg; [L298] assert_~arg := assert_#in~arg; [L307] assume !(assert_~arg % 256 == 0); [L202] assume !false; [L203] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L204] havoc node1_~m1~7; [L205] node1_~m1~7 := ~nomsg; [L210] assume !(~mode1 % 256 != 0); [L211] assume !(~alive1 % 256 != 0); [L212] assume !(~send1 != ~id1); [L213] ~mode1 := 1; [L225] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L226] havoc node2_~m2~20; [L227] node2_~m2~20 := ~nomsg; [L239] assume !(~mode2 % 256 != 0); [L240] assume ~alive2 % 256 != 0; [L241] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L242] node2_#t~ite2 := ~send2; [L243] ~p2_new := (if node2_#t~ite2 % 256 <= 127 then node2_#t~ite2 % 256 else node2_#t~ite2 % 256 - 256); [L244] havoc node2_#t~ite2; [L245] ~mode2 := 1; [L248] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L249] havoc node3_~m3~31; [L250] node3_~m3~31 := ~nomsg; [L255] assume !(~mode3 % 256 != 0); [L256] assume !(~alive3 % 256 != 0); [L257] assume !(~send3 != ~id3); [L258] ~mode3 := 1; [L268] ~p1_old := ~p1_new; [L269] ~p1_new := ~nomsg; [L270] ~p2_old := ~p2_new; [L271] ~p2_new := ~nomsg; [L272] ~p3_old := ~p3_new; [L273] ~p3_new := ~nomsg; [L274] havoc check_#res; [L275] havoc check_~tmp~78; [L276] havoc check_~tmp~78; [L277] assume ~st1 + ~st2 + ~st3 <= 1; [L286] assume !(~r1 % 256 < 3); [L287] assume !(~st1 + ~st2 + ~st3 == 1); [L288] check_~tmp~78 := 0; [L291] check_#res := check_~tmp~78; [L292] main_#t~ret23 := check_#res; [L293] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L294] main_~c1~85 := main_#t~ret23; [L295] havoc main_#t~ret23; [L296] assert_#in~arg := (if main_~c1~85 == 0 then 0 else 1); [L297] havoc assert_~arg; [L298] assert_~arg := assert_#in~arg; [L303] assume assert_~arg % 256 == 0; [L304] assume !false; [L310] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...