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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:42,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:42,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:42,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:42,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:42,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:42,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:42,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:42,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:42,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:42,592 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:42,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:42,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:42,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:42,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:42,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:42,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:42,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:42,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:42,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:42,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:42,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:42,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:42,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:42,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:14:42,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:42,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:42,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:42,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:42,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:42,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:42,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:42,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:14:42,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:14:42,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:14:42,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:14:42,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:14:42,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:42,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:42,635 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:42,635 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:42,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:42,636 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:42,636 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:42,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:42,636 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:42,636 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:42,637 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:42,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:42,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:42,637 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:42,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:42,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:42,640 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:42,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:42,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:42,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:42,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:42,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:42,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:42,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:42,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:42,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:42,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:42,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:42,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:42,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:42,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:42,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:42,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:42,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:42,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:42,646 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:42,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:42,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:42,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:42,646 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:42,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:42,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:42,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:42,703 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:42,703 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:42,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl [2019-08-05 12:14:42,704 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl' [2019-08-05 12:14:42,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:42,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:42,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:42,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:42,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:42,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:42,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:42,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:42,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:42,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (1/1) ... [2019-08-05 12:14:42,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:42,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:42,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:42,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:42,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:42" (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 [2019-08-05 12:14:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:43,543 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:43,543 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:14:43,545 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:43 BoogieIcfgContainer [2019-08-05 12:14:43,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:43,546 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:43,546 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:43,547 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:43,547 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:43" (1/1) ... [2019-08-05 12:14:43,581 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:44,092 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:44,123 INFO L272 AbstractInterpreter]: Visited 21 different actions 132 times. Merged at 19 different actions 78 times. Widened at 10 different actions 10 times. Performed 1558 root evaluator evaluations with a maximum evaluation depth of 5. Performed 1558 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 27 fixpoints after 11 different actions. Largest state had 0 variables. [2019-08-05 12:14:44,123 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:44,127 INFO L168 Benchmark]: Toolchain (without parser) took 1336.36 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 105.8 MB in the beginning and 117.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:44,129 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:44,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.99 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 104.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:44,131 INFO L168 Benchmark]: Boogie Preprocessor took 44.35 ms. Allocated memory is still 132.6 MB. Free memory was 104.0 MB in the beginning and 102.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:44,133 INFO L168 Benchmark]: RCFGBuilder took 659.10 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 79.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:44,134 INFO L168 Benchmark]: Abstract Interpretation took 577.37 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 79.7 MB in the beginning and 117.5 MB in the end (delta: -37.8 MB). Peak memory consumption was 975.5 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:44,143 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.99 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 104.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.35 ms. Allocated memory is still 132.6 MB. Free memory was 104.0 MB in the beginning and 102.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 659.10 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 79.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 577.37 ms. Allocated memory was 132.6 MB in the beginning and 171.4 MB in the end (delta: 38.8 MB). Free memory was 79.7 MB in the beginning and 117.5 MB in the end (delta: -37.8 MB). Peak memory consumption was 975.5 kB. 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: [L122] ~r1 := 0; [L123] ~p1_old := 0; [L124] ~p1_new := 0; [L125] ~id1 := 0; [L126] ~st1 := 0; [L127] ~mode1 := 0; [L128] ~alive1 := 0; [L129] ~p2_old := 0; [L130] ~p2_new := 0; [L131] ~id2 := 0; [L132] ~st2 := 0; [L133] ~mode2 := 0; [L134] ~alive2 := 0; [L135] ~p3_old := 0; [L136] ~p3_new := 0; [L137] ~id3 := 0; [L138] ~st3 := 0; [L139] ~mode3 := 0; [L140] ~alive3 := 0; [L141] ~p4_old := 0; [L142] ~p4_new := 0; [L143] ~id4 := 0; [L144] ~st4 := 0; [L145] ~mode4 := 0; [L146] ~alive4 := 0; [L147] ~nomsg := -1; [L148] ~send1 := 0; [L149] ~send2 := 0; [L150] ~send3 := 0; [L151] ~send4 := 0; [L152] havoc main_#res; [L153] havoc 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~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~109, main_~i2~109; [L154] havoc main_~c1~109; [L155] havoc main_~i2~109; [L156] main_~c1~109 := 0; [L157] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L158] ~r1 := main_#t~nondet8; [L159] havoc main_#t~nondet8; [L160] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L161] ~id1 := main_#t~nondet9; [L162] havoc main_#t~nondet9; [L163] assume -128 <= main_#t~nondet10 && main_#t~nondet10 <= 127; [L164] ~st1 := main_#t~nondet10; [L165] havoc main_#t~nondet10; [L166] assume -128 <= main_#t~nondet11 && main_#t~nondet11 <= 127; [L167] ~send1 := main_#t~nondet11; [L168] havoc main_#t~nondet11; [L169] ~mode1 := main_#t~nondet12; [L170] havoc main_#t~nondet12; [L171] ~alive1 := main_#t~nondet13; [L172] havoc main_#t~nondet13; [L173] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L174] ~id2 := main_#t~nondet14; [L175] havoc main_#t~nondet14; [L176] assume -128 <= main_#t~nondet15 && main_#t~nondet15 <= 127; [L177] ~st2 := main_#t~nondet15; [L178] havoc main_#t~nondet15; [L179] assume -128 <= main_#t~nondet16 && main_#t~nondet16 <= 127; [L180] ~send2 := main_#t~nondet16; [L181] havoc main_#t~nondet16; [L182] ~mode2 := main_#t~nondet17; [L183] havoc main_#t~nondet17; [L184] ~alive2 := main_#t~nondet18; [L185] havoc main_#t~nondet18; [L186] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L187] ~id3 := main_#t~nondet19; [L188] havoc main_#t~nondet19; [L189] assume -128 <= main_#t~nondet20 && main_#t~nondet20 <= 127; [L190] ~st3 := main_#t~nondet20; [L191] havoc main_#t~nondet20; [L192] assume -128 <= main_#t~nondet21 && main_#t~nondet21 <= 127; [L193] ~send3 := main_#t~nondet21; [L194] havoc main_#t~nondet21; [L195] ~mode3 := main_#t~nondet22; [L196] havoc main_#t~nondet22; [L197] ~alive3 := main_#t~nondet23; [L198] havoc main_#t~nondet23; [L199] assume -128 <= main_#t~nondet24 && main_#t~nondet24 <= 127; [L200] ~id4 := main_#t~nondet24; [L201] havoc main_#t~nondet24; [L202] assume -128 <= main_#t~nondet25 && main_#t~nondet25 <= 127; [L203] ~st4 := main_#t~nondet25; [L204] havoc main_#t~nondet25; [L205] assume -128 <= main_#t~nondet26 && main_#t~nondet26 <= 127; [L206] ~send4 := main_#t~nondet26; [L207] havoc main_#t~nondet26; [L208] ~mode4 := main_#t~nondet27; [L209] havoc main_#t~nondet27; [L210] ~alive4 := main_#t~nondet28; [L211] havoc main_#t~nondet28; [L212] havoc init_#res; [L213] havoc init_~tmp~52; [L214] havoc init_~tmp~52; [L215] assume ~r1 == 0; [L216] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 + ~alive4 % 256 >= 1; [L217] assume ~id1 >= 0; [L218] assume ~st1 == 0; [L219] assume ~send1 == ~id1; [L220] assume ~mode1 % 256 == 0; [L221] assume ~id2 >= 0; [L222] assume ~st2 == 0; [L223] assume ~send2 == ~id2; [L224] assume ~mode2 % 256 == 0; [L225] assume ~id3 >= 0; [L226] assume ~st3 == 0; [L227] assume ~send3 == ~id3; [L228] assume ~mode3 % 256 == 0; [L229] assume ~id4 >= 0; [L230] assume ~st4 == 0; [L231] assume ~send4 == ~id4; [L232] assume ~mode4 % 256 == 0; [L233] assume ~id1 != ~id2; [L234] assume ~id1 != ~id3; [L235] assume ~id1 != ~id4; [L236] assume ~id2 != ~id3; [L237] assume ~id2 != ~id4; [L238] assume ~id3 != ~id4; [L239] init_~tmp~52 := 1; [L240] init_#res := init_~tmp~52; [L241] main_#t~ret29 := init_#res; [L242] assume -2147483648 <= main_#t~ret29 && main_#t~ret29 <= 2147483647; [L243] main_~i2~109 := main_#t~ret29; [L244] havoc main_#t~ret29; [L245] assume main_~i2~109 != 0; [L246] ~p1_old := ~nomsg; [L247] ~p1_new := ~nomsg; [L248] ~p2_old := ~nomsg; [L249] ~p2_new := ~nomsg; [L250] ~p3_old := ~nomsg; [L251] ~p3_new := ~nomsg; [L252] ~p4_old := ~nomsg; [L253] ~p4_new := ~nomsg; [L254] main_~i2~109 := 0; [L258] assume !!(main_~i2~109 < 8); [L259] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L260] havoc node1_~m1~7; [L261] node1_~m1~7 := ~nomsg; [L274] assume !(~mode1 % 256 != 0); [L275] assume !(~alive1 % 256 != 0); [L276] assume !(~send1 != ~id1); [L277] ~mode1 := 1; [L280] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L281] havoc node2_~m2~19; [L282] node2_~m2~19 := ~nomsg; [L294] assume !(~mode2 % 256 != 0); [L295] assume !(~alive2 % 256 != 0); [L296] assume !(~send2 != ~id2); [L297] ~mode2 := 1; [L300] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L301] havoc node3_~m3~30; [L302] node3_~m3~30 := ~nomsg; [L314] assume !(~mode3 % 256 != 0); [L315] assume ~alive3 % 256 != 0; [L316] assume ~send3 != ~nomsg && ~p3_new == ~nomsg; [L317] node3_#t~ite4 := ~send3; [L318] ~p3_new := (if node3_#t~ite4 % 256 <= 127 then node3_#t~ite4 % 256 else node3_#t~ite4 % 256 - 256); [L319] havoc node3_#t~ite4; [L320] ~mode3 := 1; [L323] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~41; [L324] havoc node4_~m4~41; [L325] node4_~m4~41 := ~nomsg; [L337] assume !(~mode4 % 256 != 0); [L338] assume !(~alive4 % 256 != 0); [L339] assume !(~send4 != ~id4); [L340] ~mode4 := 1; [L343] ~p1_old := ~p1_new; [L344] ~p1_new := ~nomsg; [L345] ~p2_old := ~p2_new; [L346] ~p2_new := ~nomsg; [L347] ~p3_old := ~p3_new; [L348] ~p3_new := ~nomsg; [L349] ~p4_old := ~p4_new; [L350] ~p4_new := ~nomsg; [L351] havoc check_#res; [L352] havoc check_~tmp~102; [L353] havoc check_~tmp~102; [L354] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L359] assume ~r1 < 4; [L360] check_~tmp~102 := 1; [L368] check_#res := check_~tmp~102; [L369] main_#t~ret30 := check_#res; [L370] assume -2147483648 <= main_#t~ret30 && main_#t~ret30 <= 2147483647; [L371] main_~c1~109 := main_#t~ret30; [L372] havoc main_#t~ret30; [L373] assert_#in~arg := (if main_~c1~109 == 0 then 0 else 1); [L374] havoc assert_~arg; [L375] assert_~arg := assert_#in~arg; [L384] assume !(assert_~arg % 256 == 0); [L385] main_#t~post31 := main_~i2~109; [L386] main_~i2~109 := main_#t~post31 + 1; [L387] havoc main_#t~post31; [L258] assume !!(main_~i2~109 < 8); [L259] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L260] havoc node1_~m1~7; [L261] node1_~m1~7 := ~nomsg; [L266] assume ~mode1 % 256 != 0; [L267] ~r1 := (if (~r1 + 1) % 256 <= 127 then (~r1 + 1) % 256 else (~r1 + 1) % 256 - 256); [L268] node1_~m1~7 := ~p4_old; [L269] ~p4_old := ~nomsg; [L270] assume !(node1_~m1~7 != ~nomsg); [L271] ~mode1 := 0; [L280] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L281] havoc node2_~m2~19; [L282] node2_~m2~19 := ~nomsg; [L287] assume ~mode2 % 256 != 0; [L288] node2_~m2~19 := ~p1_old; [L289] ~p1_old := ~nomsg; [L290] assume !(node2_~m2~19 != ~nomsg); [L291] ~mode2 := 0; [L300] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L301] havoc node3_~m3~30; [L302] node3_~m3~30 := ~nomsg; [L307] assume ~mode3 % 256 != 0; [L308] node3_~m3~30 := ~p2_old; [L309] ~p2_old := ~nomsg; [L310] assume !(node3_~m3~30 != ~nomsg); [L311] ~mode3 := 0; [L323] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~41; [L324] havoc node4_~m4~41; [L325] node4_~m4~41 := ~nomsg; [L330] assume ~mode4 % 256 != 0; [L331] node4_~m4~41 := ~p3_old; [L332] ~p3_old := ~nomsg; [L333] assume !(node4_~m4~41 != ~nomsg); [L334] ~mode4 := 0; [L343] ~p1_old := ~p1_new; [L344] ~p1_new := ~nomsg; [L345] ~p2_old := ~p2_new; [L346] ~p2_new := ~nomsg; [L347] ~p3_old := ~p3_new; [L348] ~p3_new := ~nomsg; [L349] ~p4_old := ~p4_new; [L350] ~p4_new := ~nomsg; [L351] havoc check_#res; [L352] havoc check_~tmp~102; [L353] havoc check_~tmp~102; [L354] assume ~st1 + ~st2 + ~st3 + ~st4 <= 1; [L363] assume !(~r1 < 4); [L364] assume !(~st1 + ~st2 + ~st3 + ~st4 == 1); [L365] check_~tmp~102 := 0; [L368] check_#res := check_~tmp~102; [L369] main_#t~ret30 := check_#res; [L370] assume -2147483648 <= main_#t~ret30 && main_#t~ret30 <= 2147483647; [L371] main_~c1~109 := main_#t~ret30; [L372] havoc main_#t~ret30; [L373] assert_#in~arg := (if main_~c1~109 == 0 then 0 else 1); [L374] havoc assert_~arg; [L375] assert_~arg := assert_#in~arg; [L380] assume assert_~arg % 256 == 0; [L381] assume !false; [L390] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...