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_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:22:24,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:22:24,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:22:24,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:22:24,729 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:22:24,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:22:24,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:22:24,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:22:24,735 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:22:24,736 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:22:24,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:22:24,761 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-03 20:22:24,781 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:22:24,781 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:22:24,784 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:22:24,784 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:22:24,784 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:22:24,784 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:22:24,785 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:22:24,786 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:22:24,786 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:22:24,786 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:22:24,786 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:22:24,787 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:22:24,787 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:22:24,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:22:24,788 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:22:24,788 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:22:24,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:22:24,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:22:24,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:22:24,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:22:24,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:22:24,791 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:22:24,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:22:24,791 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:22:24,791 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:22:24,791 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:22:24,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:22:24,793 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:22:24,793 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:22:24,793 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:22:24,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:22:24,794 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:22:24,794 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:22:24,794 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:22:24,794 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:22:24,794 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:22:24,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:22:24,795 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:22:24,795 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:22:24,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:22:24,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:22:24,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:22:24,850 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:22:24,851 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:22:24,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl [2018-12-03 20:22:24,853 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl' [2018-12-03 20:22:24,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:22:24,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:22:24,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:22:24,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:22:24,942 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:22:24,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:24,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:24,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:22:24,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:22:24,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:22:24,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:22:25,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (1/1) ... [2018-12-03 20:22:25,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:22:25,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:22:25,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:22:25,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:22:25,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:24" (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 20:22:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:22:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:22:25,765 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:22:25,766 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:22:25,766 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:22:25 BoogieIcfgContainer [2018-12-03 20:22:25,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:22:25,767 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:22:25,767 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:22:25,768 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:22:25,769 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:22:25" (1/1) ... [2018-12-03 20:22:25,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:22:27,163 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-12-03 20:23:03,482 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:23:03,515 INFO L272 AbstractInterpreter]: Visited 24 different actions 250 times. Merged at 22 different actions 165 times. Widened at 12 different actions 12 times. Found 46 fixpoints after 14 different actions. Largest state had 0 variables. [2018-12-03 20:23:03,518 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:23:03,519 INFO L168 Benchmark]: Toolchain (without parser) took 38579.94 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 109.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:23:03,522 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 20:23:03,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.67 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 20:23:03,524 INFO L168 Benchmark]: Boogie Preprocessor took 70.50 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 20:23:03,525 INFO L168 Benchmark]: RCFGBuilder took 702.31 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-03 20:23:03,526 INFO L168 Benchmark]: Abstract Interpretation took 37750.97 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 66.8 MB. Max. memory is 7.1 GB. [2018-12-03 20:23:03,533 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 0.23 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 50.67 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 70.50 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 702.31 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 37750.97 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 66.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 463]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L146] ~r1 := 0; [L147] ~p1_old := 0; [L148] ~p1_new := 0; [L149] ~id1 := 0; [L150] ~st1 := 0; [L151] ~mode1 := 0; [L152] ~alive1 := 0; [L153] ~p2_old := 0; [L154] ~p2_new := 0; [L155] ~id2 := 0; [L156] ~st2 := 0; [L157] ~mode2 := 0; [L158] ~alive2 := 0; [L159] ~p3_old := 0; [L160] ~p3_new := 0; [L161] ~id3 := 0; [L162] ~st3 := 0; [L163] ~mode3 := 0; [L164] ~alive3 := 0; [L165] ~p4_old := 0; [L166] ~p4_new := 0; [L167] ~id4 := 0; [L168] ~st4 := 0; [L169] ~mode4 := 0; [L170] ~alive4 := 0; [L171] ~p5_old := 0; [L172] ~p5_new := 0; [L173] ~id5 := 0; [L174] ~st5 := 0; [L175] ~mode5 := 0; [L176] ~alive5 := 0; [L177] ~nomsg := -1; [L178] ~send1 := 0; [L179] ~send2 := 0; [L180] ~send3 := 0; [L181] ~send4 := 0; [L182] ~send5 := 0; [L183] havoc main_#res; [L184] havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~ret36, main_#t~ret37, main_~c1~137, main_~i2~137; [L185] havoc main_~c1~137; [L186] havoc main_~i2~137; [L187] main_~c1~137 := 0; [L188] ~r1 := main_#t~nondet10; [L189] havoc main_#t~nondet10; [L190] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L191] ~id1 := main_#t~nondet11; [L192] havoc main_#t~nondet11; [L193] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L194] ~st1 := main_#t~nondet12; [L195] havoc main_#t~nondet12; [L196] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L197] ~send1 := main_#t~nondet13; [L198] havoc main_#t~nondet13; [L199] ~mode1 := main_#t~nondet14; [L200] havoc main_#t~nondet14; [L201] ~alive1 := main_#t~nondet15; [L202] havoc main_#t~nondet15; [L203] assume -128 <= main_#t~nondet16 && main_#t~nondet16 <= 127; [L204] ~id2 := main_#t~nondet16; [L205] havoc main_#t~nondet16; [L206] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L207] ~st2 := main_#t~nondet17; [L208] havoc main_#t~nondet17; [L209] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L210] ~send2 := main_#t~nondet18; [L211] havoc main_#t~nondet18; [L212] ~mode2 := main_#t~nondet19; [L213] havoc main_#t~nondet19; [L214] ~alive2 := main_#t~nondet20; [L215] havoc main_#t~nondet20; [L216] assume -128 <= main_#t~nondet21 && main_#t~nondet21 <= 127; [L217] ~id3 := main_#t~nondet21; [L218] havoc main_#t~nondet21; [L219] assume -128 <= main_#t~nondet22 && main_#t~nondet22 <= 127; [L220] ~st3 := main_#t~nondet22; [L221] havoc main_#t~nondet22; [L222] assume -128 <= main_#t~nondet23 && main_#t~nondet23 <= 127; [L223] ~send3 := main_#t~nondet23; [L224] havoc main_#t~nondet23; [L225] ~mode3 := main_#t~nondet24; [L226] havoc main_#t~nondet24; [L227] ~alive3 := main_#t~nondet25; [L228] havoc main_#t~nondet25; [L229] assume -128 <= main_#t~nondet26 && main_#t~nondet26 <= 127; [L230] ~id4 := main_#t~nondet26; [L231] havoc main_#t~nondet26; [L232] assume -128 <= main_#t~nondet27 && main_#t~nondet27 <= 127; [L233] ~st4 := main_#t~nondet27; [L234] havoc main_#t~nondet27; [L235] assume -128 <= main_#t~nondet28 && main_#t~nondet28 <= 127; [L236] ~send4 := main_#t~nondet28; [L237] havoc main_#t~nondet28; [L238] ~mode4 := main_#t~nondet29; [L239] havoc main_#t~nondet29; [L240] ~alive4 := main_#t~nondet30; [L241] havoc main_#t~nondet30; [L242] assume -128 <= main_#t~nondet31 && main_#t~nondet31 <= 127; [L243] ~id5 := main_#t~nondet31; [L244] havoc main_#t~nondet31; [L245] assume -128 <= main_#t~nondet32 && main_#t~nondet32 <= 127; [L246] ~st5 := main_#t~nondet32; [L247] havoc main_#t~nondet32; [L248] assume -128 <= main_#t~nondet33 && main_#t~nondet33 <= 127; [L249] ~send5 := main_#t~nondet33; [L250] havoc main_#t~nondet33; [L251] ~mode5 := main_#t~nondet34; [L252] havoc main_#t~nondet34; [L253] ~alive5 := main_#t~nondet35; [L254] havoc main_#t~nondet35; [L255] havoc init_#res; [L256] havoc init_~tmp~64; [L257] havoc init_~tmp~64; [L258] assume ~r1 % 256 == 0; [L259] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 + ~alive4 % 256 + ~alive5 % 256 >= 1; [L260] assume ~id1 >= 0; [L261] assume ~st1 == 0; [L262] assume ~send1 == ~id1; [L263] assume ~mode1 % 256 == 0; [L264] assume ~id2 >= 0; [L265] assume ~st2 == 0; [L266] assume ~send2 == ~id2; [L267] assume ~mode2 % 256 == 0; [L268] assume ~id3 >= 0; [L269] assume ~st3 == 0; [L270] assume ~send3 == ~id3; [L271] assume ~mode3 % 256 == 0; [L272] assume ~id4 >= 0; [L273] assume ~st4 == 0; [L274] assume ~send4 == ~id4; [L275] assume ~mode4 % 256 == 0; [L276] assume ~id5 >= 0; [L277] assume ~st5 == 0; [L278] assume ~send5 == ~id5; [L279] assume ~mode5 % 256 == 0; [L280] assume ~id1 != ~id2; [L281] assume ~id1 != ~id3; [L282] assume ~id1 != ~id4; [L283] assume ~id1 != ~id5; [L284] assume ~id2 != ~id3; [L285] assume ~id2 != ~id4; [L286] assume ~id2 != ~id5; [L287] assume ~id3 != ~id4; [L288] assume ~id3 != ~id5; [L289] assume ~id4 != ~id5; [L290] init_~tmp~64 := 1; [L291] init_#res := init_~tmp~64; [L292] main_#t~ret36 := init_#res; [L293] assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647; [L294] main_~i2~137 := main_#t~ret36; [L295] havoc main_#t~ret36; [L296] assume main_~i2~137 != 0; [L297] ~p1_old := ~nomsg; [L298] ~p1_new := ~nomsg; [L299] ~p2_old := ~nomsg; [L300] ~p2_new := ~nomsg; [L301] ~p3_old := ~nomsg; [L302] ~p3_new := ~nomsg; [L303] ~p4_old := ~nomsg; [L304] ~p4_new := ~nomsg; [L305] ~p5_old := ~nomsg; [L306] ~p5_new := ~nomsg; [L307] main_~i2~137 := 0; [L311] assume !false; [L312] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L313] havoc node1_~m1~7; [L314] node1_~m1~7 := ~nomsg; [L328] assume !(~mode1 % 256 != 0); [L329] assume ~alive1 % 256 != 0; [L330] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L331] node1_#t~ite0 := ~send1; [L332] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L333] havoc node1_#t~ite0; [L334] ~mode1 := 1; [L337] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L338] havoc node2_~m2~20; [L339] node2_~m2~20 := ~nomsg; [L351] assume !(~mode2 % 256 != 0); [L352] assume !(~alive2 % 256 != 0); [L353] assume !(~send2 != ~id2); [L354] ~mode2 := 1; [L357] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L358] havoc node3_~m3~31; [L359] node3_~m3~31 := ~nomsg; [L371] assume !(~mode3 % 256 != 0); [L372] assume !(~alive3 % 256 != 0); [L373] assume !(~send3 != ~id3); [L374] ~mode3 := 1; [L377] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L378] havoc node4_~m4~42; [L379] node4_~m4~42 := ~nomsg; [L391] assume !(~mode4 % 256 != 0); [L392] assume !(~alive4 % 256 != 0); [L393] assume !(~send4 != ~id4); [L394] ~mode4 := 1; [L397] havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~53; [L398] havoc node5_~m5~53; [L399] node5_~m5~53 := ~nomsg; [L411] assume !(~mode5 % 256 != 0); [L412] assume !(~alive5 % 256 != 0); [L413] assume !(~send5 != ~id5); [L414] ~mode5 := 1; [L417] ~p1_old := ~p1_new; [L418] ~p1_new := ~nomsg; [L419] ~p2_old := ~p2_new; [L420] ~p2_new := ~nomsg; [L421] ~p3_old := ~p3_new; [L422] ~p3_new := ~nomsg; [L423] ~p4_old := ~p4_new; [L424] ~p4_new := ~nomsg; [L425] ~p5_old := ~p5_new; [L426] ~p5_new := ~nomsg; [L427] havoc check_#res; [L428] havoc check_~tmp~130; [L429] havoc check_~tmp~130; [L430] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 <= 1; [L440] assume ~r1 % 256 < 5; [L441] check_~tmp~130 := 1; [L444] check_#res := check_~tmp~130; [L445] main_#t~ret37 := check_#res; [L446] assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647; [L447] main_~c1~137 := main_#t~ret37; [L448] havoc main_#t~ret37; [L449] assert_#in~arg := (if main_~c1~137 == 0 then 0 else 1); [L450] havoc assert_~arg; [L451] assert_~arg := assert_#in~arg; [L460] assume !(assert_~arg % 256 == 0); [L311] assume !false; [L312] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L313] havoc node1_~m1~7; [L314] node1_~m1~7 := ~nomsg; [L319] assume ~mode1 % 256 != 0; [L320] assume !(~r1 % 256 == 255); [L321] ~r1 := ~r1 % 256 + 1; [L322] node1_~m1~7 := ~p5_old; [L323] ~p5_old := ~nomsg; [L324] assume !(node1_~m1~7 != ~nomsg); [L325] ~mode1 := 0; [L337] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L338] havoc node2_~m2~20; [L339] node2_~m2~20 := ~nomsg; [L351] assume !(~mode2 % 256 != 0); [L352] assume !(~alive2 % 256 != 0); [L353] assume !(~send2 != ~id2); [L354] ~mode2 := 1; [L357] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L358] havoc node3_~m3~31; [L359] node3_~m3~31 := ~nomsg; [L364] assume ~mode3 % 256 != 0; [L365] node3_~m3~31 := ~p2_old; [L366] ~p2_old := ~nomsg; [L367] assume !(node3_~m3~31 != ~nomsg); [L368] ~mode3 := 0; [L377] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L378] havoc node4_~m4~42; [L379] node4_~m4~42 := ~nomsg; [L391] assume !(~mode4 % 256 != 0); [L392] assume !(~alive4 % 256 != 0); [L393] assume !(~send4 != ~id4); [L394] ~mode4 := 1; [L397] havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~53; [L398] havoc node5_~m5~53; [L399] node5_~m5~53 := ~nomsg; [L404] assume ~mode5 % 256 != 0; [L405] node5_~m5~53 := ~p4_old; [L406] ~p4_old := ~nomsg; [L407] assume !(node5_~m5~53 != ~nomsg); [L408] ~mode5 := 0; [L417] ~p1_old := ~p1_new; [L418] ~p1_new := ~nomsg; [L419] ~p2_old := ~p2_new; [L420] ~p2_new := ~nomsg; [L421] ~p3_old := ~p3_new; [L422] ~p3_new := ~nomsg; [L423] ~p4_old := ~p4_new; [L424] ~p4_new := ~nomsg; [L425] ~p5_old := ~p5_new; [L426] ~p5_new := ~nomsg; [L427] havoc check_#res; [L428] havoc check_~tmp~130; [L429] havoc check_~tmp~130; [L430] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 <= 1; [L435] assume !(~r1 % 256 < 5); [L436] assume !(~st1 + ~st2 + ~st3 + ~st4 + ~st5 == 1); [L437] check_~tmp~130 := 0; [L444] check_#res := check_~tmp~130; [L445] main_#t~ret37 := check_#res; [L446] assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647; [L447] main_~c1~137 := main_#t~ret37; [L448] havoc main_#t~ret37; [L449] assert_#in~arg := (if main_~c1~137 == 0 then 0 else 1); [L450] havoc assert_~arg; [L451] assert_~arg := assert_#in~arg; [L456] assume assert_~arg % 256 == 0; [L457] assume !false; [L463] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...