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/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:27,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:27,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:27,615 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:05:27,616 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:05:27,617 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:05:27,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:05:27,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:05:27,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:05:27,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:05:27,628 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:05:27,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:05:27,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:05:27,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:05:27,637 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:05:27,638 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:05:27,639 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:05:27,642 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:05:27,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:05:27,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:05:27,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:05:27,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:05:27,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 20:05:27,667 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 20:05:27,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:27,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:27,683 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:27,684 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:27,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:27,684 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:27,685 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:27,685 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:27,685 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:27,685 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:27,685 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:27,686 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:27,686 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:27,686 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:27,686 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:27,688 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:27,688 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:27,689 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:27,689 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:27,689 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:27,689 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:27,689 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:27,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:27,691 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:27,691 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:27,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:27,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:27,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:27,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:27,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:27,692 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:27,693 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:27,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:27,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:27,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:27,693 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:27,694 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:27,694 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:27,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:27,694 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:27,694 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:27,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:27,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:27,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:27,766 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:27,766 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:27,767 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-12-03 20:05:27,767 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl' [2018-12-03 20:05:27,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:27,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:27,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:27,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:27,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:27,839 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,852 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:27,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:27,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:27,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:27,876 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,876 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,879 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,880 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,887 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,890 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,892 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (1/1) ... [2018-12-03 20:05:27,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:27,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:27,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:27,896 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:27,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:27" (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 20:05:27,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-12-03 20:05:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:05:28,565 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:05:28,566 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 20:05:28,566 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:28 BoogieIcfgContainer [2018-12-03 20:05:28,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:05:28,569 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:05:28,569 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:05:28,569 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:05:28,570 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.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,621 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:05:29,738 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:05:29,765 INFO L272 AbstractInterpreter]: Visited 21 different actions 129 times. Merged at 19 different actions 76 times. Widened at 1 different actions 1 times. Found 24 fixpoints after 12 different actions. Largest state had 0 variables. [2018-12-03 20:05:29,774 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:05:29,775 INFO L168 Benchmark]: Toolchain (without parser) took 1956.41 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: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:29,778 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:29,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:29,781 INFO L168 Benchmark]: Boogie Preprocessor took 32.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:05:29,783 INFO L168 Benchmark]: RCFGBuilder took 670.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 20:05:29,784 INFO L168 Benchmark]: Abstract Interpretation took 1205.17 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 20:05:29,789 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 670.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 1205.17 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: 315]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L88] ~r1 := 0; [L89] ~p1_old := 0; [L90] ~p1_new := 0; [L91] ~id1 := 0; [L92] ~st1 := 0; [L93] ~mode1 := 0; [L94] ~alive1 := 0; [L95] ~p2_old := 0; [L96] ~p2_new := 0; [L97] ~id2 := 0; [L98] ~st2 := 0; [L99] ~mode2 := 0; [L100] ~alive2 := 0; [L101] ~p3_old := 0; [L102] ~p3_new := 0; [L103] ~id3 := 0; [L104] ~st3 := 0; [L105] ~mode3 := 0; [L106] ~alive3 := 0; [L107] ~nomsg := -1; [L108] ~send1 := 0; [L109] ~send2 := 0; [L110] ~send3 := 0; [L111] havoc main_#res; [L112] havoc main_#t~post23, main_#t~nondet10, main_#t~nondet20, main_#t~nondet11, main_#t~nondet5, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet8, main_#t~nondet9, main_#t~nondet6, main_#t~nondet7, main_~i2~82, main_#t~ret22, main_#t~ret21, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~c1~82; [L113] havoc main_~c1~82; [L114] havoc main_~i2~82; [L115] main_~c1~82 := 0; [L116] assume main_#t~nondet5 <= 127 && 0 <= main_#t~nondet5 + 128; [L117] ~r1 := main_#t~nondet5; [L118] havoc main_#t~nondet5; [L119] assume main_#t~nondet6 <= 127 && 0 <= main_#t~nondet6 + 128; [L120] ~id1 := main_#t~nondet6; [L121] havoc main_#t~nondet6; [L122] assume 0 <= main_#t~nondet7 + 128 && main_#t~nondet7 <= 127; [L123] ~st1 := main_#t~nondet7; [L124] havoc main_#t~nondet7; [L125] assume main_#t~nondet8 <= 127 && 0 <= main_#t~nondet8 + 128; [L126] ~send1 := main_#t~nondet8; [L127] havoc main_#t~nondet8; [L128] ~mode1 := main_#t~nondet9; [L129] havoc main_#t~nondet9; [L130] ~alive1 := main_#t~nondet10; [L131] havoc main_#t~nondet10; [L132] assume 0 <= main_#t~nondet11 + 128 && main_#t~nondet11 <= 127; [L133] ~id2 := main_#t~nondet11; [L134] havoc main_#t~nondet11; [L135] assume 0 <= main_#t~nondet12 + 128 && main_#t~nondet12 <= 127; [L136] ~st2 := main_#t~nondet12; [L137] havoc main_#t~nondet12; [L138] assume main_#t~nondet13 <= 127 && 0 <= main_#t~nondet13 + 128; [L139] ~send2 := main_#t~nondet13; [L140] havoc main_#t~nondet13; [L141] ~mode2 := main_#t~nondet14; [L142] havoc main_#t~nondet14; [L143] ~alive2 := main_#t~nondet15; [L144] havoc main_#t~nondet15; [L145] assume main_#t~nondet16 <= 127 && 0 <= main_#t~nondet16 + 128; [L146] ~id3 := main_#t~nondet16; [L147] havoc main_#t~nondet16; [L148] assume 0 <= main_#t~nondet17 + 128 && main_#t~nondet17 <= 127; [L149] ~st3 := main_#t~nondet17; [L150] havoc main_#t~nondet17; [L151] assume main_#t~nondet18 <= 127 && 0 <= main_#t~nondet18 + 128; [L152] ~send3 := main_#t~nondet18; [L153] havoc main_#t~nondet18; [L154] ~mode3 := main_#t~nondet19; [L155] havoc main_#t~nondet19; [L156] ~alive3 := main_#t~nondet20; [L157] havoc main_#t~nondet20; [L158] havoc init_#res; [L159] havoc init_~tmp~39; [L160] havoc init_~tmp~39; [L161] assume ~r1 == 0; [L162] assume ((((256 <= ~alive2 && ~alive3 < -256) && ~alive2 < 256 + 256) && 256 <= ~alive1) && 513 <= ~alive3 % 256 + ~alive1 + ~alive2) && ~alive1 < 256 + 256; [L163] assume 0 <= ~id1; [L164] assume ~st1 == 0; [L165] assume ~send1 == ~id1; [L166] assume ~mode1 - 256 == 0; [L167] assume 0 <= ~id2; [L168] assume ~st2 == 0; [L169] assume ~send2 == ~id2; [L170] assume ~mode2 - 256 == 0; [L171] assume 0 <= ~id3; [L172] assume ~st3 == 0; [L173] assume ~send3 == ~id3; [L174] assume ~mode3 == 0; [L175] assume !(~id1 == ~id2); [L176] assume !(~id1 == ~id3); [L177] assume !(~id2 == ~id3); [L178] init_~tmp~39 := 1; [L179] init_#res := init_~tmp~39; [L180] main_#t~ret21 := init_#res; [L181] assume main_#t~ret21 <= 2147483647 && 0 <= main_#t~ret21 + 2147483648; [L182] main_~i2~82 := main_#t~ret21; [L183] havoc main_#t~ret21; [L184] assume !(main_~i2~82 == 0); [L185] ~p1_old := ~nomsg; [L186] ~p1_new := ~nomsg; [L187] ~p2_old := ~nomsg; [L188] ~p2_new := ~nomsg; [L189] ~p3_old := ~nomsg; [L190] ~p3_new := ~nomsg; [L191] main_~i2~82 := 0; [L194] assume main_~i2~82 < 6; [L195] havoc node1_#t~ite0, node1_~m1~7; [L196] havoc node1_~m1~7; [L197] node1_~m1~7 := ~nomsg; [L207] assume (!(~mode1 == 0) && ~mode1 < 256) && 0 <= ~mode1; [L208] assume (~r1 <= 126 && 0 <= ~r1 + 1) && ~r1 + 1 < 256; [L209] ~r1 := ~r1 + 1; [L210] node1_~m1~7 := ~p3_old; [L211] ~p3_old := ~nomsg; [L212] assume node1_~m1~7 == ~nomsg; [L213] ~mode1 := 0; [L216] havoc node2_~m2~17, node2_#t~ite2, node2_#t~ite1; [L217] havoc node2_~m2~17; [L218] node2_~m2~17 := ~nomsg; [L233] assume (0 <= ~mode2 && ~mode2 < 256) && !(~mode2 == 0); [L234] node2_~m2~17 := ~p1_old; [L235] ~p1_old := ~nomsg; [L236] assume node2_~m2~17 == ~nomsg; [L237] ~mode2 := 0; [L240] havoc node3_#t~ite4, node3_~m3~28, node3_#t~ite3; [L241] havoc node3_~m3~28; [L242] node3_~m3~28 := ~nomsg; [L247] assume ~mode3 == 0; [L248] assume ~alive3 % 256 == 0 && ~alive3 < -256; [L249] assume ~send3 == ~id3; [L250] ~mode3 := 1; [L260] ~p1_old := ~p1_new; [L261] ~p1_new := ~nomsg; [L262] ~p2_old := ~p2_new; [L263] ~p2_new := ~nomsg; [L264] ~p3_old := ~p3_new; [L265] ~p3_new := ~nomsg; [L266] havoc check_#res; [L267] havoc check_~tmp~75; [L268] havoc check_~tmp~75; [L269] assume ~st2 + ~st1 + ~st3 <= 1; [L278] assume !(~r1 < 3); [L279] assume !(~st1 + ~st3 + ~st2 == 1); [L280] check_~tmp~75 := 0; [L283] check_#res := check_~tmp~75; [L284] main_#t~ret22 := check_#res; [L285] assume 0 <= main_#t~ret22 + 2147483648 && main_#t~ret22 <= 2147483647; [L286] main_~c1~82 := main_#t~ret22; [L287] havoc main_#t~ret22; [L296] assume main_~c1~82 == 0; [L297] assert_#in~arg := 0; [L300] havoc assert_~arg; [L301] assert_~arg := assert_#in~arg; [L306] assume assert_~arg == 0; [L315] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...