java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:06:05,055 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:06:05,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:06:05,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:06:05,074 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:06:05,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:06:05,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:06:05,079 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:06:05,080 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:06:05,081 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:06:05,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:06:05,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:06:05,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:06:05,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:06:05,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:06:05,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:06:05,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:06:05,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:06:05,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:06:05,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:06:05,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:06:05,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:06:05,099 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 20:06:05,100 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 20:06:05,100 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 20:06:05,101 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 20:06:05,102 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 20:06:05,103 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 20:06:05,104 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 20:06:05,105 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 20:06:05,105 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 20:06:05,106 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 20:06:05,106 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 20:06:05,106 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 20:06:05,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 20:06:05,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 20:06:05,108 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 20:06:05,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:06:05,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:06:05,122 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:06:05,122 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:06:05,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:06:05,123 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:06:05,123 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:06:05,123 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:06:05,124 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:06:05,124 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:06:05,124 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:06:05,124 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:06:05,124 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:06:05,124 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:06:05,125 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:06:05,125 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:06:05,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:06:05,126 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:06:05,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:06:05,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:06:05,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:06:05,127 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:06:05,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:06:05,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:06:05,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:06:05,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:06:05,128 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:06:05,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:06:05,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:06:05,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:06:05,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:06:05,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:06:05,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:06:05,129 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:06:05,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:06:05,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:06:05,130 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:06:05,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:06:05,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:06:05,130 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:06:05,130 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:06:05,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:06:05,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:06:05,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:06:05,191 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:06:05,191 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:06:05,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl [2018-12-03 20:06:05,192 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl' [2018-12-03 20:06:05,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:06:05,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:06:05,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:06:05,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:06:05,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:06:05,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:06:05,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:06:05,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:06:05,327 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:06:05,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (1/1) ... [2018-12-03 20:06:05,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:06:05,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:06:05,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:06:05,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:06:05,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:05" (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 20:06:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:06:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:06:06,178 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:06:06,178 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:06:06,179 INFO L202 PluginConnector]: Adding new model pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:06 BoogieIcfgContainer [2018-12-03 20:06:06,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:06:06,179 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:06:06,180 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:06:06,180 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:06:06,181 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:06" (1/1) ... [2018-12-03 20:06:06,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:06:07,478 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:06:07,518 INFO L272 AbstractInterpreter]: Visited 23 different actions 138 times. Merged at 21 different actions 77 times. Widened at 14 different actions 23 times. Found 33 fixpoints after 14 different actions. Largest state had 0 variables. [2018-12-03 20:06:07,525 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:06:07,527 INFO L168 Benchmark]: Toolchain (without parser) took 2252.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 211.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:07,529 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 20:06:07,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.69 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 20:06:07,531 INFO L168 Benchmark]: Boogie Preprocessor took 61.38 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 20:06:07,532 INFO L168 Benchmark]: RCFGBuilder took 793.88 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 20:06:07,535 INFO L168 Benchmark]: Abstract Interpretation took 1346.26 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:07,541 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 0.19 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 44.69 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 61.38 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 793.88 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 1346.26 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 371]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L105] ~r1 := 0; [L106] ~p1_old := 0; [L107] ~p1_new := 0; [L108] ~id1 := 0; [L109] ~st1 := 0; [L110] ~mode1 := 0; [L111] ~p2_old := 0; [L112] ~p2_new := 0; [L113] ~id2 := 0; [L114] ~st2 := 0; [L115] ~mode2 := 0; [L116] ~p3_old := 0; [L117] ~p3_new := 0; [L118] ~id3 := 0; [L119] ~st3 := 0; [L120] ~mode3 := 0; [L121] ~p4_old := 0; [L122] ~p4_new := 0; [L123] ~id4 := 0; [L124] ~st4 := 0; [L125] ~mode4 := 0; [L126] ~nomsg := -1; [L127] ~send1 := 0; [L128] ~send2 := 0; [L129] ~send3 := 0; [L130] ~send4 := 0; [L131] havoc main_#res; [L132] havoc main_#t~nondet4, 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_~c1~95, main_~i2~95; [L133] havoc main_~c1~95; [L134] havoc main_~i2~95; [L135] main_~c1~95 := 0; [L136] ~r1 := main_#t~nondet4; [L137] havoc main_#t~nondet4; [L138] assume -128 <= main_#t~nondet5 && main_#t~nondet5 <= 127; [L139] ~id1 := main_#t~nondet5; [L140] havoc main_#t~nondet5; [L141] assume -128 <= main_#t~nondet6 && main_#t~nondet6 <= 127; [L142] ~st1 := main_#t~nondet6; [L143] havoc main_#t~nondet6; [L144] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L145] ~send1 := main_#t~nondet7; [L146] havoc main_#t~nondet7; [L147] ~mode1 := main_#t~nondet8; [L148] havoc main_#t~nondet8; [L149] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L150] ~id2 := main_#t~nondet9; [L151] havoc main_#t~nondet9; [L152] assume -128 <= main_#t~nondet10 && main_#t~nondet10 <= 127; [L153] ~st2 := main_#t~nondet10; [L154] havoc main_#t~nondet10; [L155] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L156] ~send2 := main_#t~nondet11; [L157] havoc main_#t~nondet11; [L158] ~mode2 := main_#t~nondet12; [L159] havoc main_#t~nondet12; [L160] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L161] ~id3 := main_#t~nondet13; [L162] havoc main_#t~nondet13; [L163] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L164] ~st3 := main_#t~nondet14; [L165] havoc main_#t~nondet14; [L166] assume -128 <= main_#t~nondet15 && main_#t~nondet15 <= 127; [L167] ~send3 := main_#t~nondet15; [L168] havoc main_#t~nondet15; [L169] ~mode3 := main_#t~nondet16; [L170] havoc main_#t~nondet16; [L171] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L172] ~id4 := main_#t~nondet17; [L173] havoc main_#t~nondet17; [L174] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L175] ~st4 := main_#t~nondet18; [L176] havoc main_#t~nondet18; [L177] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L178] ~send4 := main_#t~nondet19; [L179] havoc main_#t~nondet19; [L180] ~mode4 := main_#t~nondet20; [L181] havoc main_#t~nondet20; [L182] havoc init_#res; [L183] havoc init_~tmp~37; [L184] havoc init_~tmp~37; [L185] assume ~r1 % 256 == 0; [L186] assume ~id1 >= 0; [L187] assume ~st1 == 0; [L188] assume ~send1 == ~id1; [L189] assume ~mode1 % 256 == 0; [L190] assume ~id2 >= 0; [L191] assume ~st2 == 0; [L192] assume ~send2 == ~id2; [L193] assume ~mode2 % 256 == 0; [L194] assume ~id3 >= 0; [L195] assume ~st3 == 0; [L196] assume ~send3 == ~id3; [L197] assume ~mode3 % 256 == 0; [L198] assume ~id4 >= 0; [L199] assume ~st4 == 0; [L200] assume ~send4 == ~id4; [L201] assume ~mode4 % 256 == 0; [L202] assume ~id1 != ~id2; [L203] assume ~id1 != ~id3; [L204] assume ~id1 != ~id4; [L205] assume ~id2 != ~id3; [L206] assume ~id2 != ~id4; [L207] assume ~id3 != ~id4; [L208] init_~tmp~37 := 1; [L209] init_#res := init_~tmp~37; [L210] main_#t~ret21 := init_#res; [L211] assume -2147483648 <= main_#t~ret21 && main_#t~ret21 <= 2147483647; [L212] main_~i2~95 := main_#t~ret21; [L213] havoc main_#t~ret21; [L214] assume main_~i2~95 != 0; [L215] ~p1_old := ~nomsg; [L216] ~p1_new := ~nomsg; [L217] ~p2_old := ~nomsg; [L218] ~p2_new := ~nomsg; [L219] ~p3_old := ~nomsg; [L220] ~p3_new := ~nomsg; [L221] ~p4_old := ~nomsg; [L222] ~p4_new := ~nomsg; [L223] main_~i2~95 := 0; [L227] assume !false; [L228] havoc node1_#t~ite0, node1_~m1~7; [L229] havoc node1_~m1~7; [L230] node1_~m1~7 := ~nomsg; [L244] assume !(~mode1 % 256 != 0); [L245] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L246] node1_#t~ite0 := ~send1; [L247] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L248] havoc node1_#t~ite0; [L249] ~mode1 := 1; [L252] havoc node2_#t~ite1, node2_~m2~16; [L253] havoc node2_~m2~16; [L254] node2_~m2~16 := ~nomsg; [L266] assume !(~mode2 % 256 != 0); [L267] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L268] node2_#t~ite1 := ~send2; [L269] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L270] havoc node2_#t~ite1; [L271] ~mode2 := 1; [L274] havoc node3_#t~ite2, node3_~m3~23; [L275] havoc node3_~m3~23; [L276] node3_~m3~23 := ~nomsg; [L288] assume !(~mode3 % 256 != 0); [L289] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L290] node3_#t~ite2 := ~send3; [L291] ~p3_new := (if node3_#t~ite2 % 256 <= 127 then node3_#t~ite2 % 256 else node3_#t~ite2 % 256 - 256); [L292] havoc node3_#t~ite2; [L293] ~mode3 := 1; [L296] havoc node4_#t~ite3, node4_~m4~30; [L297] havoc node4_~m4~30; [L298] node4_~m4~30 := ~nomsg; [L310] assume !(~mode4 % 256 != 0); [L311] assume ~send4 != ~nomsg && ~p4_new == ~nomsg; [L312] node4_#t~ite3 := ~send4; [L313] ~p4_new := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256); [L314] havoc node4_#t~ite3; [L315] ~mode4 := 1; [L318] ~p1_old := ~p1_new; [L319] ~p1_new := ~nomsg; [L320] ~p2_old := ~p2_new; [L321] ~p2_new := ~nomsg; [L322] ~p3_old := ~p3_new; [L323] ~p3_new := ~nomsg; [L324] ~p4_old := ~p4_new; [L325] ~p4_new := ~nomsg; [L326] havoc check_#res; [L327] havoc check_~tmp~85; [L328] havoc check_~tmp~85; [L329] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L337] assume !(~r1 % 256 >= 4); [L338] assume ~st1 + ~st2 + ~st3 + ~st4 == 0; [L343] assume ~r1 % 256 < 4; [L344] check_~tmp~85 := 1; [L352] check_#res := check_~tmp~85; [L353] main_#t~ret22 := check_#res; [L354] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L355] main_~c1~95 := main_#t~ret22; [L356] havoc main_#t~ret22; [L357] assert_#in~arg := (if main_~c1~95 == 0 then 0 else 1); [L358] havoc assert_~arg; [L359] assert_~arg := assert_#in~arg; [L368] assume !(assert_~arg % 256 == 0); [L227] assume !false; [L228] havoc node1_#t~ite0, node1_~m1~7; [L229] havoc node1_~m1~7; [L230] node1_~m1~7 := ~nomsg; [L235] assume ~mode1 % 256 != 0; [L236] assume !(~r1 % 256 == 255); [L237] ~r1 := ~r1 % 256 + 1; [L238] node1_~m1~7 := ~p4_old; [L239] ~p4_old := ~nomsg; [L240] assume !(node1_~m1~7 != ~nomsg); [L241] ~mode1 := 0; [L252] havoc node2_#t~ite1, node2_~m2~16; [L253] havoc node2_~m2~16; [L254] node2_~m2~16 := ~nomsg; [L259] assume ~mode2 % 256 != 0; [L260] node2_~m2~16 := ~p1_old; [L261] ~p1_old := ~nomsg; [L262] assume !(node2_~m2~16 != ~nomsg); [L263] ~mode2 := 0; [L274] havoc node3_#t~ite2, node3_~m3~23; [L275] havoc node3_~m3~23; [L276] node3_~m3~23 := ~nomsg; [L281] assume ~mode3 % 256 != 0; [L282] node3_~m3~23 := ~p2_old; [L283] ~p2_old := ~nomsg; [L284] assume !(node3_~m3~23 != ~nomsg); [L285] ~mode3 := 0; [L296] havoc node4_#t~ite3, node4_~m4~30; [L297] havoc node4_~m4~30; [L298] node4_~m4~30 := ~nomsg; [L303] assume ~mode4 % 256 != 0; [L304] node4_~m4~30 := ~p3_old; [L305] ~p3_old := ~nomsg; [L306] assume !(node4_~m4~30 != ~nomsg); [L307] ~mode4 := 0; [L318] ~p1_old := ~p1_new; [L319] ~p1_new := ~nomsg; [L320] ~p2_old := ~p2_new; [L321] ~p2_new := ~nomsg; [L322] ~p3_old := ~p3_new; [L323] ~p3_new := ~nomsg; [L324] ~p4_old := ~p4_new; [L325] ~p4_new := ~nomsg; [L326] havoc check_#res; [L327] havoc check_~tmp~85; [L328] havoc check_~tmp~85; [L329] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L337] assume !(~r1 % 256 >= 4); [L338] assume ~st1 + ~st2 + ~st3 + ~st4 == 0; [L343] assume ~r1 % 256 < 4; [L344] check_~tmp~85 := 1; [L352] check_#res := check_~tmp~85; [L353] main_#t~ret22 := check_#res; [L354] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L355] main_~c1~95 := main_#t~ret22; [L356] havoc main_#t~ret22; [L357] assert_#in~arg := (if main_~c1~95 == 0 then 0 else 1); [L358] havoc assert_~arg; [L359] assert_~arg := assert_#in~arg; [L368] assume !(assert_~arg % 256 == 0); [L227] assume !false; [L228] havoc node1_#t~ite0, node1_~m1~7; [L229] havoc node1_~m1~7; [L230] node1_~m1~7 := ~nomsg; [L244] assume !(~mode1 % 256 != 0); [L245] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L246] node1_#t~ite0 := ~send1; [L247] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L248] havoc node1_#t~ite0; [L249] ~mode1 := 1; [L252] havoc node2_#t~ite1, node2_~m2~16; [L253] havoc node2_~m2~16; [L254] node2_~m2~16 := ~nomsg; [L266] assume !(~mode2 % 256 != 0); [L267] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L268] node2_#t~ite1 := ~send2; [L269] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L270] havoc node2_#t~ite1; [L271] ~mode2 := 1; [L274] havoc node3_#t~ite2, node3_~m3~23; [L275] havoc node3_~m3~23; [L276] node3_~m3~23 := ~nomsg; [L288] assume !(~mode3 % 256 != 0); [L289] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L290] node3_#t~ite2 := ~send3; [L291] ~p3_new := (if node3_#t~ite2 % 256 <= 127 then node3_#t~ite2 % 256 else node3_#t~ite2 % 256 - 256); [L292] havoc node3_#t~ite2; [L293] ~mode3 := 1; [L296] havoc node4_#t~ite3, node4_~m4~30; [L297] havoc node4_~m4~30; [L298] node4_~m4~30 := ~nomsg; [L310] assume !(~mode4 % 256 != 0); [L311] assume ~send4 != ~nomsg && ~p4_new == ~nomsg; [L312] node4_#t~ite3 := ~send4; [L313] ~p4_new := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256); [L314] havoc node4_#t~ite3; [L315] ~mode4 := 1; [L318] ~p1_old := ~p1_new; [L319] ~p1_new := ~nomsg; [L320] ~p2_old := ~p2_new; [L321] ~p2_new := ~nomsg; [L322] ~p3_old := ~p3_new; [L323] ~p3_new := ~nomsg; [L324] ~p4_old := ~p4_new; [L325] ~p4_new := ~nomsg; [L326] havoc check_#res; [L327] havoc check_~tmp~85; [L328] havoc check_~tmp~85; [L329] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L334] assume ~r1 % 256 >= 4; [L347] assume !(~r1 % 256 < 4); [L348] assume !(~st1 + ~st2 + ~st3 + ~st4 == 1); [L349] check_~tmp~85 := 0; [L352] check_#res := check_~tmp~85; [L353] main_#t~ret22 := check_#res; [L354] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L355] main_~c1~95 := main_#t~ret22; [L356] havoc main_#t~ret22; [L357] assert_#in~arg := (if main_~c1~95 == 0 then 0 else 1); [L358] havoc assert_~arg; [L359] assert_~arg := assert_#in~arg; [L364] assume assert_~arg % 256 == 0; [L365] assume !false; [L371] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...