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.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:28,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:28,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:28,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:05:28,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:05:28,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:05:28,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:05:28,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:05:28,296 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:05:28,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:05:28,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:05:28,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:05:28,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:05:28,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:05:28,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:05:28,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:05:28,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:05:28,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:05:28,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:05:28,316 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:05:28,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:05:28,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:05:28,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 20:05:28,331 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 20:05:28,345 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:28,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:28,349 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:28,349 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:28,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:28,349 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:28,349 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:28,350 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:28,350 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:28,350 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:28,350 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:28,350 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:28,351 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:28,351 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:28,351 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:28,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:28,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:28,354 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:28,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:28,354 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:28,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:28,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:28,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:28,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:28,356 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:28,356 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:28,356 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:28,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:28,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:28,357 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:28,357 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:28,357 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:28,358 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:28,358 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:28,358 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:28,358 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:28,358 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:28,359 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:28,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:28,359 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:28,359 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:28,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:28,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:28,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:28,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:28,418 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:28,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl [2018-12-03 20:05:28,419 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl' [2018-12-03 20:05:28,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:28,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:28,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:28,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:28,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:28,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:28,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:28,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:28,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:28,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (1/1) ... [2018-12-03 20:05:28,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:28,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:28,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:28,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:28,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:28" (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 20:05:28,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-12-03 20:05:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:05:29,178 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:05:29,178 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 20:05:29,179 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:29 BoogieIcfgContainer [2018-12-03 20:05:29,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:05:29,180 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:05:29,180 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:05:29,180 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:05:29,181 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_10.bplTransformedIcfg_BEv2_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:29" (1/1) ... [2018-12-03 20:05:29,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:05:30,917 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:05:30,956 INFO L272 AbstractInterpreter]: Visited 24 different actions 194 times. Merged at 22 different actions 117 times. Widened at 12 different actions 15 times. Found 42 fixpoints after 14 different actions. Largest state had 0 variables. [2018-12-03 20:05:30,961 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:05:30,964 INFO L168 Benchmark]: Toolchain (without parser) took 2481.88 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: 306.5 MB). Peak memory consumption was 306.5 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:30,970 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 20:05:30,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.31 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 20:05:30,972 INFO L168 Benchmark]: Boogie Preprocessor took 37.34 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 20:05:30,972 INFO L168 Benchmark]: RCFGBuilder took 611.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:30,977 INFO L168 Benchmark]: Abstract Interpretation took 1783.11 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: 274.8 MB). Peak memory consumption was 274.8 MB. Max. memory is 7.1 GB. [2018-12-03 20:05:30,984 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 0.18 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 44.31 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 37.34 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 611.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1783.11 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: 274.8 MB). Peak memory consumption was 274.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 390]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L111] ~r1 := 0; [L112] ~p1_old := 0; [L113] ~p1_new := 0; [L114] ~id1 := 0; [L115] ~st1 := 0; [L116] ~mode1 := 0; [L117] ~alive1 := 0; [L118] ~p2_old := 0; [L119] ~p2_new := 0; [L120] ~id2 := 0; [L121] ~st2 := 0; [L122] ~mode2 := 0; [L123] ~alive2 := 0; [L124] ~p3_old := 0; [L125] ~p3_new := 0; [L126] ~id3 := 0; [L127] ~st3 := 0; [L128] ~mode3 := 0; [L129] ~alive3 := 0; [L130] ~p4_old := 0; [L131] ~p4_new := 0; [L132] ~id4 := 0; [L133] ~st4 := 0; [L134] ~mode4 := 0; [L135] ~alive4 := 0; [L136] ~nomsg := -1; [L137] ~send1 := 0; [L138] ~send2 := 0; [L139] ~send3 := 0; [L140] ~send4 := 0; [L141] havoc main_#res; [L142] havoc main_#t~nondet10, main_#t~nondet11, main_~c1~108, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet8, main_#t~nondet9, main_~i2~108, main_#t~ret29, main_#t~nondet27, main_#t~nondet26, main_#t~nondet28, main_#t~nondet21, main_#t~post31, main_#t~nondet20, main_#t~nondet23, main_#t~nondet22, main_#t~nondet25, main_#t~nondet24, main_#t~nondet15, main_#t~nondet16, main_#t~ret30, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19; [L143] havoc main_~c1~108; [L144] havoc main_~i2~108; [L145] main_~c1~108 := 0; [L146] assume main_#t~nondet8 <= 127 && 0 <= main_#t~nondet8 + 128; [L147] ~r1 := main_#t~nondet8; [L148] havoc main_#t~nondet8; [L149] assume main_#t~nondet9 <= 127 && 0 <= main_#t~nondet9 + 128; [L150] ~id1 := main_#t~nondet9; [L151] havoc main_#t~nondet9; [L152] assume 0 <= main_#t~nondet10 + 128 && main_#t~nondet10 <= 127; [L153] ~st1 := main_#t~nondet10; [L154] havoc main_#t~nondet10; [L155] assume 0 <= main_#t~nondet11 + 128 && main_#t~nondet11 <= 127; [L156] ~send1 := main_#t~nondet11; [L157] havoc main_#t~nondet11; [L158] ~mode1 := main_#t~nondet12; [L159] havoc main_#t~nondet12; [L160] ~alive1 := main_#t~nondet13; [L161] havoc main_#t~nondet13; [L162] assume main_#t~nondet14 <= 127 && 0 <= main_#t~nondet14 + 128; [L163] ~id2 := main_#t~nondet14; [L164] havoc main_#t~nondet14; [L165] assume main_#t~nondet15 <= 127 && 0 <= main_#t~nondet15 + 128; [L166] ~st2 := main_#t~nondet15; [L167] havoc main_#t~nondet15; [L168] assume main_#t~nondet16 <= 127 && 0 <= main_#t~nondet16 + 128; [L169] ~send2 := main_#t~nondet16; [L170] havoc main_#t~nondet16; [L171] ~mode2 := main_#t~nondet17; [L172] havoc main_#t~nondet17; [L173] ~alive2 := main_#t~nondet18; [L174] havoc main_#t~nondet18; [L175] assume main_#t~nondet19 <= 127 && 0 <= main_#t~nondet19 + 128; [L176] ~id3 := main_#t~nondet19; [L177] havoc main_#t~nondet19; [L178] assume 0 <= main_#t~nondet20 + 128 && main_#t~nondet20 <= 127; [L179] ~st3 := main_#t~nondet20; [L180] havoc main_#t~nondet20; [L181] assume main_#t~nondet21 <= 127 && 0 <= main_#t~nondet21 + 128; [L182] ~send3 := main_#t~nondet21; [L183] havoc main_#t~nondet21; [L184] ~mode3 := main_#t~nondet22; [L185] havoc main_#t~nondet22; [L186] ~alive3 := main_#t~nondet23; [L187] havoc main_#t~nondet23; [L188] assume 0 <= main_#t~nondet24 + 128 && main_#t~nondet24 <= 127; [L189] ~id4 := main_#t~nondet24; [L190] havoc main_#t~nondet24; [L191] assume 0 <= main_#t~nondet25 + 128 && main_#t~nondet25 <= 127; [L192] ~st4 := main_#t~nondet25; [L193] havoc main_#t~nondet25; [L194] assume 0 <= main_#t~nondet26 + 128 && main_#t~nondet26 <= 127; [L195] ~send4 := main_#t~nondet26; [L196] havoc main_#t~nondet26; [L197] ~mode4 := main_#t~nondet27; [L198] havoc main_#t~nondet27; [L199] ~alive4 := main_#t~nondet28; [L200] havoc main_#t~nondet28; [L201] havoc init_#res; [L202] havoc init_~tmp~51; [L203] havoc init_~tmp~51; [L204] assume ~r1 == 0; [L205] assume ((((1 <= ~alive3 + ~alive4 % 256 + ~alive1 % 256 + ~alive2 % 256 && ~alive2 < -256) && 0 <= ~alive3) && ~alive1 < -256) && 256 + 256 <= ~alive4) && ~alive3 < 256; [L206] assume 0 <= ~id1; [L207] assume ~st1 == 0; [L208] assume ~send1 == ~id1; [L209] assume ~mode1 + 256 == 0; [L210] assume 0 <= ~id2; [L211] assume ~st2 == 0; [L212] assume ~send2 == ~id2; [L213] assume ~mode2 % 256 == 0 && 256 + 256 <= ~mode2; [L214] assume 0 <= ~id3; [L215] assume ~st3 == 0; [L216] assume ~send3 == ~id3; [L217] assume ~mode3 < -256 && ~mode3 % 256 == 0; [L218] assume 0 <= ~id4; [L219] assume ~st4 == 0; [L220] assume ~send4 == ~id4; [L221] assume ~mode4 + 256 == 0; [L222] assume !(~id1 == ~id2); [L223] assume !(~id1 == ~id3); [L224] assume !(~id1 == ~id4); [L225] assume !(~id2 == ~id3); [L226] assume !(~id2 == ~id4); [L227] assume !(~id3 == ~id4); [L228] init_~tmp~51 := 1; [L229] init_#res := init_~tmp~51; [L230] main_#t~ret29 := init_#res; [L231] assume main_#t~ret29 <= 2147483647 && 0 <= main_#t~ret29 + 2147483648; [L232] main_~i2~108 := main_#t~ret29; [L233] havoc main_#t~ret29; [L234] assume !(main_~i2~108 == 0); [L235] ~p1_old := ~nomsg; [L236] ~p1_new := ~nomsg; [L237] ~p2_old := ~nomsg; [L238] ~p2_new := ~nomsg; [L239] ~p3_old := ~nomsg; [L240] ~p3_new := ~nomsg; [L241] ~p4_old := ~nomsg; [L242] ~p4_new := ~nomsg; [L243] main_~i2~108 := 0; [L246] assume main_~i2~108 < 8; [L247] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L248] havoc node1_~m1~7; [L249] node1_~m1~7 := ~nomsg; [L263] assume ~mode1 + 256 == 0; [L264] assume ~alive1 < -256 && ~alive1 % 256 == 0; [L265] assume ~send1 == ~id1; [L266] ~mode1 := 1; [L269] havoc node2_#t~ite3, node2_#t~ite2, node2_~m2~18; [L270] havoc node2_~m2~18; [L271] node2_~m2~18 := ~nomsg; [L282] assume (0 <= ~mode2 && ~mode2 < 256) && !(~mode2 == 0); [L283] node2_~m2~18 := ~p1_old; [L284] ~p1_old := ~nomsg; [L285] assume node2_~m2~18 == ~nomsg; [L286] ~mode2 := 0; [L289] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~29; [L290] havoc node3_~m3~29; [L291] node3_~m3~29 := ~nomsg; [L296] assume (!(~mode3 == 0) && 0 <= ~mode3) && ~mode3 < 256; [L297] node3_~m3~29 := ~p2_old; [L298] ~p2_old := ~nomsg; [L299] assume node3_~m3~29 == ~nomsg; [L300] ~mode3 := 0; [L313] havoc node4_#t~ite7, node4_#t~ite6, node4_~m4~40; [L314] havoc node4_~m4~40; [L315] node4_~m4~40 := ~nomsg; [L326] assume (0 <= ~mode4 && !(~mode4 == 0)) && ~mode4 < 256; [L327] node4_~m4~40 := ~p3_old; [L328] ~p3_old := ~nomsg; [L329] assume node4_~m4~40 == ~nomsg; [L330] ~mode4 := 0; [L333] ~p1_old := ~p1_new; [L334] ~p1_new := ~nomsg; [L335] ~p2_old := ~p2_new; [L336] ~p2_new := ~nomsg; [L337] ~p3_old := ~p3_new; [L338] ~p3_new := ~nomsg; [L339] ~p4_old := ~p4_new; [L340] ~p4_new := ~nomsg; [L341] havoc check_#res; [L342] havoc check_~tmp~101; [L343] havoc check_~tmp~101; [L344] assume ~st2 + ~st1 + ~st4 + ~st3 <= 1; [L349] assume !(~r1 < 4); [L350] assume !(~st1 + ~st3 + ~st2 + ~st4 == 1); [L351] check_~tmp~101 := 0; [L358] check_#res := check_~tmp~101; [L359] main_#t~ret30 := check_#res; [L360] assume 0 <= main_#t~ret30 + 2147483648 && main_#t~ret30 <= 2147483647; [L361] main_~c1~108 := main_#t~ret30; [L362] havoc main_#t~ret30; [L371] assume main_~c1~108 == 0; [L372] assert_#in~arg := 0; [L375] havoc assert_~arg; [L376] assert_~arg := assert_#in~arg; [L387] assume assert_~arg == 0; [L390] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...