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.5.2.ufo.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:22:37,804 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:22:37,806 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:22:37,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:22:37,826 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:22:37,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:22:37,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:22:37,832 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:22:37,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:22:37,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:22:37,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:22:37,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:22:37,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:22:37,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:22:37,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:22:37,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:22:37,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:22:37,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:22:37,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:22:37,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:22:37,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:22:37,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:22:37,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 20:22:37,887 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 20:22:37,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:22:37,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:22:37,909 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:22:37,909 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:22:37,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:22:37,909 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:22:37,910 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:22:37,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:22:37,910 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:22:37,910 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:22:37,910 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:22:37,911 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:22:37,911 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:22:37,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:22:37,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:22:37,912 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:22:37,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:22:37,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:22:37,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:22:37,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:22:37,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:22:37,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:22:37,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:22:37,914 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:22:37,914 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:22:37,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:22:37,914 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:22:37,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:22:37,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:22:37,915 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:22:37,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:22:37,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:22:37,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:22:37,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:22:37,916 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:22:37,916 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:22:37,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:22:37,917 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:22:37,917 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:22:37,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:22:37,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:22:37,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:22:37,980 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:22:37,981 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:22:37,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl [2018-12-03 20:22:37,983 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl' [2018-12-03 20:22:38,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:22:38,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:22:38,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:22:38,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:22:38,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:22:38,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:22:38,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:22:38,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:22:38,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:22:38,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:22:38,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:22:38,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:22:38,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:22:38,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:22:38" (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 20:22:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:22:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:22:38,904 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:22:38,904 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:22:38,905 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:22:38 BoogieIcfgContainer [2018-12-03 20:22:38,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:22:38,906 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:22:38,906 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:22:38,906 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:22:38,907 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:22:38" (1/1) ... [2018-12-03 20:22:38,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:22:40,387 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-12-03 20:23:11,485 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:23:11,520 INFO L272 AbstractInterpreter]: Visited 24 different actions 198 times. Merged at 22 different actions 127 times. Widened at 6 different actions 6 times. Found 39 fixpoints after 15 different actions. Largest state had 0 variables. [2018-12-03 20:23:11,522 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:23:11,524 INFO L168 Benchmark]: Toolchain (without parser) took 33433.47 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 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 902.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:23:11,527 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 20:23:11,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.26 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 20:23:11,528 INFO L168 Benchmark]: Boogie Preprocessor took 50.91 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 20:23:11,529 INFO L168 Benchmark]: RCFGBuilder took 703.65 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-03 20:23:11,530 INFO L168 Benchmark]: Abstract Interpretation took 32616.84 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 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 860.5 MB. Max. memory is 7.1 GB. [2018-12-03 20:23:11,543 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 0.21 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 57.26 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 50.91 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 703.65 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 32616.84 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 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 860.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 461]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L145] ~r1 := 0; [L146] ~p1_old := 0; [L147] ~p1_new := 0; [L148] ~id1 := 0; [L149] ~st1 := 0; [L150] ~mode1 := 0; [L151] ~alive1 := 0; [L152] ~p2_old := 0; [L153] ~p2_new := 0; [L154] ~id2 := 0; [L155] ~st2 := 0; [L156] ~mode2 := 0; [L157] ~alive2 := 0; [L158] ~p3_old := 0; [L159] ~p3_new := 0; [L160] ~id3 := 0; [L161] ~st3 := 0; [L162] ~mode3 := 0; [L163] ~alive3 := 0; [L164] ~p4_old := 0; [L165] ~p4_new := 0; [L166] ~id4 := 0; [L167] ~st4 := 0; [L168] ~mode4 := 0; [L169] ~alive4 := 0; [L170] ~p5_old := 0; [L171] ~p5_new := 0; [L172] ~id5 := 0; [L173] ~st5 := 0; [L174] ~mode5 := 0; [L175] ~alive5 := 0; [L176] ~nomsg := -1; [L177] ~send1 := 0; [L178] ~send2 := 0; [L179] ~send3 := 0; [L180] ~send4 := 0; [L181] ~send5 := 0; [L182] havoc main_#res; [L183] havoc 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~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~ret35, main_#t~ret36, main_~c1~135, main_~i2~135; [L184] havoc main_~c1~135; [L185] havoc main_~i2~135; [L186] main_~c1~135 := 0; [L187] ~r1 := main_#t~nondet9; [L188] havoc main_#t~nondet9; [L189] assume -128 <= main_#t~nondet10 && main_#t~nondet10 <= 127; [L190] ~id1 := main_#t~nondet10; [L191] havoc main_#t~nondet10; [L192] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L193] ~st1 := main_#t~nondet11; [L194] havoc main_#t~nondet11; [L195] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L196] ~send1 := main_#t~nondet12; [L197] havoc main_#t~nondet12; [L198] ~mode1 := main_#t~nondet13; [L199] havoc main_#t~nondet13; [L200] ~alive1 := main_#t~nondet14; [L201] havoc main_#t~nondet14; [L202] assume -128 <= main_#t~nondet15 && main_#t~nondet15 <= 127; [L203] ~id2 := main_#t~nondet15; [L204] havoc main_#t~nondet15; [L205] assume -128 <= main_#t~nondet16 && main_#t~nondet16 <= 127; [L206] ~st2 := main_#t~nondet16; [L207] havoc main_#t~nondet16; [L208] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L209] ~send2 := main_#t~nondet17; [L210] havoc main_#t~nondet17; [L211] ~mode2 := main_#t~nondet18; [L212] havoc main_#t~nondet18; [L213] ~alive2 := main_#t~nondet19; [L214] havoc main_#t~nondet19; [L215] assume -128 <= main_#t~nondet20 && main_#t~nondet20 <= 127; [L216] ~id3 := main_#t~nondet20; [L217] havoc main_#t~nondet20; [L218] assume -128 <= main_#t~nondet21 && main_#t~nondet21 <= 127; [L219] ~st3 := main_#t~nondet21; [L220] havoc main_#t~nondet21; [L221] assume -128 <= main_#t~nondet22 && main_#t~nondet22 <= 127; [L222] ~send3 := main_#t~nondet22; [L223] havoc main_#t~nondet22; [L224] ~mode3 := main_#t~nondet23; [L225] havoc main_#t~nondet23; [L226] ~alive3 := main_#t~nondet24; [L227] havoc main_#t~nondet24; [L228] assume -128 <= main_#t~nondet25 && main_#t~nondet25 <= 127; [L229] ~id4 := main_#t~nondet25; [L230] havoc main_#t~nondet25; [L231] assume -128 <= main_#t~nondet26 && main_#t~nondet26 <= 127; [L232] ~st4 := main_#t~nondet26; [L233] havoc main_#t~nondet26; [L234] assume -128 <= main_#t~nondet27 && main_#t~nondet27 <= 127; [L235] ~send4 := main_#t~nondet27; [L236] havoc main_#t~nondet27; [L237] ~mode4 := main_#t~nondet28; [L238] havoc main_#t~nondet28; [L239] ~alive4 := main_#t~nondet29; [L240] havoc main_#t~nondet29; [L241] assume -128 <= main_#t~nondet30 && main_#t~nondet30 <= 127; [L242] ~id5 := main_#t~nondet30; [L243] havoc main_#t~nondet30; [L244] assume -128 <= main_#t~nondet31 && main_#t~nondet31 <= 127; [L245] ~st5 := main_#t~nondet31; [L246] havoc main_#t~nondet31; [L247] assume -128 <= main_#t~nondet32 && main_#t~nondet32 <= 127; [L248] ~send5 := main_#t~nondet32; [L249] havoc main_#t~nondet32; [L250] ~mode5 := main_#t~nondet33; [L251] havoc main_#t~nondet33; [L252] ~alive5 := main_#t~nondet34; [L253] havoc main_#t~nondet34; [L254] havoc init_#res; [L255] havoc init_~tmp~62; [L256] havoc init_~tmp~62; [L257] assume ~r1 % 256 == 0; [L258] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 + ~alive4 % 256 + ~alive5 % 256 >= 1; [L259] assume ~id1 >= 0; [L260] assume ~st1 == 0; [L261] assume ~send1 == ~id1; [L262] assume ~mode1 % 256 == 0; [L263] assume ~id2 >= 0; [L264] assume ~st2 == 0; [L265] assume ~send2 == ~id2; [L266] assume ~mode2 % 256 == 0; [L267] assume ~id3 >= 0; [L268] assume ~st3 == 0; [L269] assume ~send3 == ~id3; [L270] assume ~mode3 % 256 == 0; [L271] assume ~id4 >= 0; [L272] assume ~st4 == 0; [L273] assume ~send4 == ~id4; [L274] assume ~mode4 % 256 == 0; [L275] assume ~id5 >= 0; [L276] assume ~st5 == 0; [L277] assume ~send5 == ~id5; [L278] assume ~mode5 % 256 == 0; [L279] assume ~id1 != ~id2; [L280] assume ~id1 != ~id3; [L281] assume ~id1 != ~id4; [L282] assume ~id1 != ~id5; [L283] assume ~id2 != ~id3; [L284] assume ~id2 != ~id4; [L285] assume ~id2 != ~id5; [L286] assume ~id3 != ~id4; [L287] assume ~id3 != ~id5; [L288] assume ~id4 != ~id5; [L289] init_~tmp~62 := 1; [L290] init_#res := init_~tmp~62; [L291] main_#t~ret35 := init_#res; [L292] assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647; [L293] main_~i2~135 := main_#t~ret35; [L294] havoc main_#t~ret35; [L295] assume main_~i2~135 != 0; [L296] ~p1_old := ~nomsg; [L297] ~p1_new := ~nomsg; [L298] ~p2_old := ~nomsg; [L299] ~p2_new := ~nomsg; [L300] ~p3_old := ~nomsg; [L301] ~p3_new := ~nomsg; [L302] ~p4_old := ~nomsg; [L303] ~p4_new := ~nomsg; [L304] ~p5_old := ~nomsg; [L305] ~p5_new := ~nomsg; [L306] main_~i2~135 := 0; [L310] assume !false; [L311] havoc node1_#t~ite0, node1_~m1~7; [L312] havoc node1_~m1~7; [L313] node1_~m1~7 := ~nomsg; [L327] assume !(~mode1 % 256 != 0); [L328] assume !(~alive1 % 256 != 0); [L329] ~mode1 := 1; [L332] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~18; [L333] havoc node2_~m2~18; [L334] node2_~m2~18 := ~nomsg; [L346] assume !(~mode2 % 256 != 0); [L347] assume ~alive2 % 256 != 0; [L348] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L349] node2_#t~ite1 := ~send2; [L350] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L351] havoc node2_#t~ite1; [L352] ~mode2 := 1; [L355] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~29; [L356] havoc node3_~m3~29; [L357] node3_~m3~29 := ~nomsg; [L369] assume !(~mode3 % 256 != 0); [L370] assume !(~alive3 % 256 != 0); [L371] assume !(~send3 != ~id3); [L372] ~mode3 := 1; [L375] havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~40; [L376] havoc node4_~m4~40; [L377] node4_~m4~40 := ~nomsg; [L382] assume !(~mode4 % 256 != 0); [L383] assume !(~alive4 % 256 != 0); [L384] assume !(~send4 != ~id4); [L385] ~mode4 := 1; [L395] havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~51; [L396] havoc node5_~m5~51; [L397] node5_~m5~51 := ~nomsg; [L409] assume !(~mode5 % 256 != 0); [L410] assume !(~alive5 % 256 != 0); [L411] assume !(~send5 != ~id5); [L412] ~mode5 := 1; [L415] ~p1_old := ~p1_new; [L416] ~p1_new := ~nomsg; [L417] ~p2_old := ~p2_new; [L418] ~p2_new := ~nomsg; [L419] ~p3_old := ~p3_new; [L420] ~p3_new := ~nomsg; [L421] ~p4_old := ~p4_new; [L422] ~p4_new := ~nomsg; [L423] ~p5_old := ~p5_new; [L424] ~p5_new := ~nomsg; [L425] havoc check_#res; [L426] havoc check_~tmp~128; [L427] havoc check_~tmp~128; [L428] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 <= 1; [L433] assume ~r1 % 256 < 5; [L434] check_~tmp~128 := 1; [L442] check_#res := check_~tmp~128; [L443] main_#t~ret36 := check_#res; [L444] assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647; [L445] main_~c1~135 := main_#t~ret36; [L446] havoc main_#t~ret36; [L447] assert_#in~arg := (if main_~c1~135 == 0 then 0 else 1); [L448] havoc assert_~arg; [L449] assert_~arg := assert_#in~arg; [L458] assume !(assert_~arg % 256 == 0); [L310] assume !false; [L311] havoc node1_#t~ite0, node1_~m1~7; [L312] havoc node1_~m1~7; [L313] node1_~m1~7 := ~nomsg; [L318] assume ~mode1 % 256 != 0; [L319] assume !(~r1 % 256 == 255); [L320] ~r1 := ~r1 % 256 + 1; [L321] node1_~m1~7 := ~p5_old; [L322] ~p5_old := ~nomsg; [L323] assume !(node1_~m1~7 != ~nomsg); [L324] ~mode1 := 0; [L332] havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~18; [L333] havoc node2_~m2~18; [L334] node2_~m2~18 := ~nomsg; [L346] assume !(~mode2 % 256 != 0); [L347] assume ~alive2 % 256 != 0; [L348] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L349] node2_#t~ite1 := ~send2; [L350] ~p2_new := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256); [L351] havoc node2_#t~ite1; [L352] ~mode2 := 1; [L355] havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~29; [L356] havoc node3_~m3~29; [L357] node3_~m3~29 := ~nomsg; [L362] assume ~mode3 % 256 != 0; [L363] node3_~m3~29 := ~p2_old; [L364] ~p2_old := ~nomsg; [L365] assume !(node3_~m3~29 != ~nomsg); [L366] ~mode3 := 0; [L375] havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~40; [L376] havoc node4_~m4~40; [L377] node4_~m4~40 := ~nomsg; [L388] assume ~mode4 % 256 != 0; [L389] node4_~m4~40 := ~p3_old; [L390] ~p3_old := ~nomsg; [L391] assume !(node4_~m4~40 != ~nomsg); [L392] ~mode4 := 0; [L395] havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~51; [L396] havoc node5_~m5~51; [L397] node5_~m5~51 := ~nomsg; [L402] assume ~mode5 % 256 != 0; [L403] node5_~m5~51 := ~p4_old; [L404] ~p4_old := ~nomsg; [L405] assume !(node5_~m5~51 != ~nomsg); [L406] ~mode5 := 0; [L415] ~p1_old := ~p1_new; [L416] ~p1_new := ~nomsg; [L417] ~p2_old := ~p2_new; [L418] ~p2_new := ~nomsg; [L419] ~p3_old := ~p3_new; [L420] ~p3_new := ~nomsg; [L421] ~p4_old := ~p4_new; [L422] ~p4_new := ~nomsg; [L423] ~p5_old := ~p5_new; [L424] ~p5_new := ~nomsg; [L425] havoc check_#res; [L426] havoc check_~tmp~128; [L427] havoc check_~tmp~128; [L428] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 <= 1; [L437] assume !(~r1 % 256 < 5); [L438] assume !(~st1 + ~st2 + ~st3 + ~st4 + ~st5 == 1); [L439] check_~tmp~128 := 0; [L442] check_#res := check_~tmp~128; [L443] main_#t~ret36 := check_#res; [L444] assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647; [L445] main_~c1~135 := main_#t~ret36; [L446] havoc main_#t~ret36; [L447] assert_#in~arg := (if main_~c1~135 == 0 then 0 else 1); [L448] havoc assert_~arg; [L449] assert_~arg := assert_#in~arg; [L454] assume assert_~arg % 256 == 0; [L455] assume !false; [L461] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...