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.3.2.ufo.BOUNDED-6.pals.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:14,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:14,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:14,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:14,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 22:00:14,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 22:00:14,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 22:00:14,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 22:00:14,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 22:00:14,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 22:00:14,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 22:00:14,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 22:00:14,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 22:00:14,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 22:00:14,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 22:00:14,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 22:00:14,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-04 22:00:14,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:14,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:14,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:14,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:14,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:14,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:14,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:14,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:14,841 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 22:00:14,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:14,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:14,868 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:14,869 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:14,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:14,869 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:14,869 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:14,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:14,870 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:14,870 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:14,870 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:14,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:14,872 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:14,872 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:14,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:14,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:14,873 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:14,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:14,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:14,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:14,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:14,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:14,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:14,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:14,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:14,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:14,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:14,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:14,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:14,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:14,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:14,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:14,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:14,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:14,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:14,877 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:14,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:14,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:14,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:14,878 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:14,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:14,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:14,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:14,935 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:14,935 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:14,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl [2019-08-04 22:00:14,936 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl' [2019-08-04 22:00:14,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:14,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:14,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:14,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:14,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:15,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:15,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:15,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:15,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:15,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:14" (1/1) ... [2019-08-04 22:00:15,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:15,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:15,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:15,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:15,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.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 22:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:15,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:15,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:15,675 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:15 BoogieIcfgContainer [2019-08-04 22:00:15,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:15,676 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:15,676 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:15,677 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:15,678 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:15" (1/1) ... [2019-08-04 22:00:15,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:16,069 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:16,096 INFO L272 AbstractInterpreter]: Visited 18 different actions 84 times. Merged at 16 different actions 47 times. Never widened. Performed 966 root evaluator evaluations with a maximum evaluation depth of 4. Performed 966 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 15 fixpoints after 9 different actions. Largest state had 0 variables. [2019-08-04 22:00:16,097 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:16,100 INFO L168 Benchmark]: Toolchain (without parser) took 1114.00 ms. Allocated memory was 140.0 MB in the beginning and 178.3 MB in the end (delta: 38.3 MB). Free memory was 104.4 MB in the beginning and 143.7 MB in the end (delta: -39.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:16,101 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 102.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,104 INFO L168 Benchmark]: Boogie Preprocessor took 36.57 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 101.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,106 INFO L168 Benchmark]: RCFGBuilder took 612.11 ms. Allocated memory is still 140.0 MB. Free memory was 101.1 MB in the beginning and 81.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:16,107 INFO L168 Benchmark]: Abstract Interpretation took 420.80 ms. Allocated memory was 140.0 MB in the beginning and 178.3 MB in the end (delta: 38.3 MB). Free memory was 81.8 MB in the beginning and 143.7 MB in the end (delta: -62.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:16,113 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 0.14 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 102.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.57 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 101.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 612.11 ms. Allocated memory is still 140.0 MB. Free memory was 101.1 MB in the beginning and 81.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 420.80 ms. Allocated memory was 140.0 MB in the beginning and 178.3 MB in the end (delta: 38.3 MB). Free memory was 81.8 MB in the beginning and 143.7 MB in the end (delta: -62.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 312]: 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~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_#t~post23, main_~c1~82, main_~i2~82; [L121] havoc main_~c1~82; [L122] havoc main_~i2~82; [L123] main_~c1~82 := 0; [L124] assume -128 <= main_#t~nondet5 && main_#t~nondet5 <= 127; [L125] ~r1 := main_#t~nondet5; [L126] havoc main_#t~nondet5; [L127] assume -128 <= main_#t~nondet6 && main_#t~nondet6 <= 127; [L128] ~id1 := main_#t~nondet6; [L129] havoc main_#t~nondet6; [L130] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L131] ~st1 := main_#t~nondet7; [L132] havoc main_#t~nondet7; [L133] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L134] ~send1 := main_#t~nondet8; [L135] havoc main_#t~nondet8; [L136] ~mode1 := main_#t~nondet9; [L137] havoc main_#t~nondet9; [L138] ~alive1 := main_#t~nondet10; [L139] havoc main_#t~nondet10; [L140] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L141] ~id2 := main_#t~nondet11; [L142] havoc main_#t~nondet11; [L143] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L144] ~st2 := main_#t~nondet12; [L145] havoc main_#t~nondet12; [L146] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L147] ~send2 := main_#t~nondet13; [L148] havoc main_#t~nondet13; [L149] ~mode2 := main_#t~nondet14; [L150] havoc main_#t~nondet14; [L151] ~alive2 := main_#t~nondet15; [L152] havoc main_#t~nondet15; [L153] assume -128 <= main_#t~nondet16 && main_#t~nondet16 <= 127; [L154] ~id3 := main_#t~nondet16; [L155] havoc main_#t~nondet16; [L156] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L157] ~st3 := main_#t~nondet17; [L158] havoc main_#t~nondet17; [L159] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L160] ~send3 := main_#t~nondet18; [L161] havoc main_#t~nondet18; [L162] ~mode3 := main_#t~nondet19; [L163] havoc main_#t~nondet19; [L164] ~alive3 := main_#t~nondet20; [L165] havoc main_#t~nondet20; [L166] havoc init_#res; [L167] havoc init_~tmp~39; [L168] havoc init_~tmp~39; [L169] assume ~r1 == 0; [L170] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 >= 1; [L171] assume ~id1 >= 0; [L172] assume ~st1 == 0; [L173] assume ~send1 == ~id1; [L174] assume ~mode1 % 256 == 0; [L175] assume ~id2 >= 0; [L176] assume ~st2 == 0; [L177] assume ~send2 == ~id2; [L178] assume ~mode2 % 256 == 0; [L179] assume ~id3 >= 0; [L180] assume ~st3 == 0; [L181] assume ~send3 == ~id3; [L182] assume ~mode3 % 256 == 0; [L183] assume ~id1 != ~id2; [L184] assume ~id1 != ~id3; [L185] assume ~id2 != ~id3; [L186] init_~tmp~39 := 1; [L187] init_#res := init_~tmp~39; [L188] main_#t~ret21 := init_#res; [L189] assume -2147483648 <= main_#t~ret21 && main_#t~ret21 <= 2147483647; [L190] main_~i2~82 := main_#t~ret21; [L191] havoc main_#t~ret21; [L192] assume main_~i2~82 != 0; [L193] ~p1_old := ~nomsg; [L194] ~p1_new := ~nomsg; [L195] ~p2_old := ~nomsg; [L196] ~p2_new := ~nomsg; [L197] ~p3_old := ~nomsg; [L198] ~p3_new := ~nomsg; [L199] main_~i2~82 := 0; [L203] assume !!(main_~i2~82 < 6); [L204] havoc node1_#t~ite0, node1_~m1~7; [L205] havoc node1_~m1~7; [L206] node1_~m1~7 := ~nomsg; [L211] assume !(~mode1 % 256 != 0); [L212] assume !(~alive1 % 256 != 0); [L213] ~mode1 := 1; [L224] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~17; [L225] havoc node2_~m2~17; [L226] node2_~m2~17 := ~nomsg; [L238] assume !(~mode2 % 256 != 0); [L239] assume ~alive2 % 256 != 0; [L240] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L241] node2_#t~ite1 := ~send2; [L242] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L243] havoc node2_#t~ite1; [L244] ~mode2 := 1; [L247] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~28; [L248] havoc node3_~m3~28; [L249] node3_~m3~28 := ~nomsg; [L261] assume !(~mode3 % 256 != 0); [L262] assume !(~alive3 % 256 != 0); [L263] assume !(~send3 != ~id3); [L264] ~mode3 := 1; [L267] ~p1_old := ~p1_new; [L268] ~p1_new := ~nomsg; [L269] ~p2_old := ~p2_new; [L270] ~p2_new := ~nomsg; [L271] ~p3_old := ~p3_new; [L272] ~p3_new := ~nomsg; [L273] havoc check_#res; [L274] havoc check_~tmp~75; [L275] havoc check_~tmp~75; [L276] assume ~st1 + ~st2 + ~st3 <= 1; [L281] assume ~r1 < 3; [L282] check_~tmp~75 := 1; [L290] check_#res := check_~tmp~75; [L291] main_#t~ret22 := check_#res; [L292] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L293] main_~c1~82 := main_#t~ret22; [L294] havoc main_#t~ret22; [L295] assert_#in~arg := (if main_~c1~82 == 0 then 0 else 1); [L296] havoc assert_~arg; [L297] assert_~arg := assert_#in~arg; [L306] assume !(assert_~arg % 256 == 0); [L307] main_#t~post23 := main_~i2~82; [L308] main_~i2~82 := main_#t~post23 + 1; [L309] havoc main_#t~post23; [L203] assume !!(main_~i2~82 < 6); [L204] havoc node1_#t~ite0, node1_~m1~7; [L205] havoc node1_~m1~7; [L206] node1_~m1~7 := ~nomsg; [L216] assume ~mode1 % 256 != 0; [L217] ~r1 := (if (~r1 + 1) % 256 <= 127 then (~r1 + 1) % 256 else (~r1 + 1) % 256 - 256); [L218] node1_~m1~7 := ~p3_old; [L219] ~p3_old := ~nomsg; [L220] assume !(node1_~m1~7 != ~nomsg); [L221] ~mode1 := 0; [L224] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~17; [L225] havoc node2_~m2~17; [L226] node2_~m2~17 := ~nomsg; [L231] assume ~mode2 % 256 != 0; [L232] node2_~m2~17 := ~p1_old; [L233] ~p1_old := ~nomsg; [L234] assume !(node2_~m2~17 != ~nomsg); [L235] ~mode2 := 0; [L247] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~28; [L248] havoc node3_~m3~28; [L249] node3_~m3~28 := ~nomsg; [L254] assume ~mode3 % 256 != 0; [L255] node3_~m3~28 := ~p2_old; [L256] ~p2_old := ~nomsg; [L257] assume !(node3_~m3~28 != ~nomsg); [L258] ~mode3 := 0; [L267] ~p1_old := ~p1_new; [L268] ~p1_new := ~nomsg; [L269] ~p2_old := ~p2_new; [L270] ~p2_new := ~nomsg; [L271] ~p3_old := ~p3_new; [L272] ~p3_new := ~nomsg; [L273] havoc check_#res; [L274] havoc check_~tmp~75; [L275] havoc check_~tmp~75; [L276] assume ~st1 + ~st2 + ~st3 <= 1; [L285] assume !(~r1 < 3); [L286] assume !(~st1 + ~st2 + ~st3 == 1); [L287] check_~tmp~75 := 0; [L290] check_#res := check_~tmp~75; [L291] main_#t~ret22 := check_#res; [L292] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L293] main_~c1~82 := main_#t~ret22; [L294] havoc main_#t~ret22; [L295] assert_#in~arg := (if main_~c1~82 == 0 then 0 else 1); [L296] havoc assert_~arg; [L297] assert_~arg := assert_#in~arg; [L302] assume assert_~arg % 256 == 0; [L303] assume !false; [L312] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...