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/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:18,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:18,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:18,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:18,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:18,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:18,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:18,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:18,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:18,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:18,630 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:18,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:16:18,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:18,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:18,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:18,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:18,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:18,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:18,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:18,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:18,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:18,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:18,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:18,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:18,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:16:18,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:18,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:18,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:18,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:18,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:18,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:18,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:18,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:18,658 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 12:16:18,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:18,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:18,673 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:18,673 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:18,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:18,673 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:18,673 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:18,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:18,674 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:18,674 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:18,674 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:18,674 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:18,675 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:18,675 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:18,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:18,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:18,676 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:18,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:18,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:18,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:18,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:18,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:18,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:18,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:18,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:18,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:18,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:18,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:18,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:18,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:18,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:18,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:18,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:18,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:18,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:18,680 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:18,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:18,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:18,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:18,681 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:18,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:18,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:18,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:18,735 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:18,735 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:18,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl [2019-08-05 12:16:18,736 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl' [2019-08-05 12:16:18,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:18,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:18,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:18,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:18,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:18,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:18,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:18,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:18,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:18,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (1/1) ... [2019-08-05 12:16:18,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:18,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:18,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:18,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:18,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:18" (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 12:16:18,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:19,500 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:19,500 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:19,502 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:19 BoogieIcfgContainer [2019-08-05 12:16:19,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:19,503 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:19,503 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:19,503 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:19,504 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:19,949 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:19,979 INFO L272 AbstractInterpreter]: Visited 21 different actions 99 times. Merged at 19 different actions 55 times. Widened at 5 different actions 5 times. Performed 1022 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 22 fixpoints after 9 different actions. Largest state had 0 variables. [2019-08-05 12:16:19,979 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:19,983 INFO L168 Benchmark]: Toolchain (without parser) took 1193.88 ms. Allocated memory was 140.5 MB in the beginning and 178.3 MB in the end (delta: 37.7 MB). Free memory was 104.8 MB in the beginning and 144.6 MB in the end (delta: -39.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:19,984 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.17 ms. Allocated memory is still 140.5 MB. Free memory was 104.5 MB in the beginning and 102.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,987 INFO L168 Benchmark]: Boogie Preprocessor took 28.71 ms. Allocated memory is still 140.5 MB. Free memory was 102.8 MB in the beginning and 101.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,989 INFO L168 Benchmark]: RCFGBuilder took 641.64 ms. Allocated memory is still 140.5 MB. Free memory was 101.5 MB in the beginning and 83.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,990 INFO L168 Benchmark]: Abstract Interpretation took 476.87 ms. Allocated memory was 140.5 MB in the beginning and 178.3 MB in the end (delta: 37.7 MB). Free memory was 83.0 MB in the beginning and 144.6 MB in the end (delta: -61.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:19,999 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 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 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 42.17 ms. Allocated memory is still 140.5 MB. Free memory was 104.5 MB in the beginning and 102.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.71 ms. Allocated memory is still 140.5 MB. Free memory was 102.8 MB in the beginning and 101.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.64 ms. Allocated memory is still 140.5 MB. Free memory was 101.5 MB in the beginning and 83.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 476.87 ms. Allocated memory was 140.5 MB in the beginning and 178.3 MB in the end (delta: 37.7 MB). Free memory was 83.0 MB in the beginning and 144.6 MB in the end (delta: -61.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 312]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L88] ~r1 := 0; [L89] ~p1_old := 0; [L90] ~p1_new := 0; [L91] ~id1 := 0; [L92] ~st1 := 0; [L93] ~mode1 := 0; [L94] ~alive1 := 0; [L95] ~p2_old := 0; [L96] ~p2_new := 0; [L97] ~id2 := 0; [L98] ~st2 := 0; [L99] ~mode2 := 0; [L100] ~alive2 := 0; [L101] ~p3_old := 0; [L102] ~p3_new := 0; [L103] ~id3 := 0; [L104] ~st3 := 0; [L105] ~mode3 := 0; [L106] ~alive3 := 0; [L107] ~nomsg := -1; [L108] ~send1 := 0; [L109] ~send2 := 0; [L110] ~send3 := 0; [L111] havoc main_#res; [L112] havoc main_#t~nondet21, main_#t~nondet10, main_#t~nondet20, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet8, main_#t~nondet9, main_#t~nondet6, main_#t~nondet7, main_#t~ret23, main_#t~ret22, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~i2~84, main_~c1~84; [L113] havoc main_~c1~84; [L114] havoc main_~i2~84; [L115] main_~c1~84 := 0; [L116] ~r1 := main_#t~nondet6; [L117] havoc main_#t~nondet6; [L118] assume 0 <= main_#t~nondet7 + 128 && main_#t~nondet7 <= 127; [L119] ~id1 := main_#t~nondet7; [L120] havoc main_#t~nondet7; [L121] assume main_#t~nondet8 <= 127 && 0 <= main_#t~nondet8 + 128; [L122] ~st1 := main_#t~nondet8; [L123] havoc main_#t~nondet8; [L124] assume main_#t~nondet9 <= 127 && 0 <= main_#t~nondet9 + 128; [L125] ~send1 := main_#t~nondet9; [L126] havoc main_#t~nondet9; [L127] ~mode1 := main_#t~nondet10; [L128] havoc main_#t~nondet10; [L129] ~alive1 := main_#t~nondet11; [L130] havoc main_#t~nondet11; [L131] assume 0 <= main_#t~nondet12 + 128 && main_#t~nondet12 <= 127; [L132] ~id2 := main_#t~nondet12; [L133] havoc main_#t~nondet12; [L134] assume main_#t~nondet13 <= 127 && 0 <= main_#t~nondet13 + 128; [L135] ~st2 := main_#t~nondet13; [L136] havoc main_#t~nondet13; [L137] assume main_#t~nondet14 <= 127 && 0 <= main_#t~nondet14 + 128; [L138] ~send2 := main_#t~nondet14; [L139] havoc main_#t~nondet14; [L140] ~mode2 := main_#t~nondet15; [L141] havoc main_#t~nondet15; [L142] ~alive2 := main_#t~nondet16; [L143] havoc main_#t~nondet16; [L144] assume 0 <= main_#t~nondet17 + 128 && main_#t~nondet17 <= 127; [L145] ~id3 := main_#t~nondet17; [L146] havoc main_#t~nondet17; [L147] assume main_#t~nondet18 <= 127 && 0 <= main_#t~nondet18 + 128; [L148] ~st3 := main_#t~nondet18; [L149] havoc main_#t~nondet18; [L150] assume main_#t~nondet19 <= 127 && 0 <= main_#t~nondet19 + 128; [L151] ~send3 := main_#t~nondet19; [L152] havoc main_#t~nondet19; [L153] ~mode3 := main_#t~nondet20; [L154] havoc main_#t~nondet20; [L155] ~alive3 := main_#t~nondet21; [L156] havoc main_#t~nondet21; [L157] havoc init_#res; [L158] havoc init_~tmp~41; [L159] havoc init_~tmp~41; [L160] assume ~r1 + 256 == 0; [L161] assume (((((0 <= ~alive1 && 256 <= ~alive3) && ~alive1 < 256) && 257 <= ~alive1 + ~alive3 + ~alive2) && 0 <= ~alive2) && ~alive2 < 256) && ~alive3 < 256 + 256; [L162] assume 0 <= ~id1; [L163] assume ~st1 == 0; [L164] assume ~send1 == ~id1; [L165] assume ~mode1 + 256 == 0; [L166] assume 0 <= ~id2; [L167] assume ~st2 == 0; [L168] assume ~send2 == ~id2; [L169] assume ~mode2 == 0; [L170] assume 0 <= ~id3; [L171] assume ~st3 == 0; [L172] assume ~send3 == ~id3; [L173] assume ~mode3 % 256 == 0 && 256 + 256 <= ~mode3; [L174] assume !(~id1 == ~id2); [L175] assume !(~id1 == ~id3); [L176] assume !(~id2 == ~id3); [L177] init_~tmp~41 := 1; [L178] init_#res := init_~tmp~41; [L179] main_#t~ret22 := init_#res; [L180] assume 0 <= main_#t~ret22 + 2147483648 && main_#t~ret22 <= 2147483647; [L181] main_~i2~84 := main_#t~ret22; [L182] havoc main_#t~ret22; [L183] assume !(main_~i2~84 == 0); [L184] ~p1_old := ~nomsg; [L185] ~p1_new := ~nomsg; [L186] ~p2_old := ~nomsg; [L187] ~p2_new := ~nomsg; [L188] ~p3_old := ~nomsg; [L189] ~p3_new := ~nomsg; [L190] main_~i2~84 := 0; [L193] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L194] havoc node1_~m1~7; [L195] node1_~m1~7 := ~nomsg; [L200] assume (!(~mode1 == 0) && ~mode1 < 256) && 0 <= ~mode1; [L201] assume (!(~r1 + 256 == 255) && -256 <= ~r1) && ~r1 < 0; [L202] assume ~r1 < 0 && -256 <= ~r1; [L203] ~r1 := ~r1 + 257; [L204] node1_~m1~7 := ~p3_old; [L205] ~p3_old := ~nomsg; [L206] assume node1_~m1~7 == ~nomsg; [L207] ~mode1 := 0; [L216] havoc node2_#t~ite3, node2_#t~ite2, node2_~m2~19; [L217] havoc node2_~m2~19; [L218] node2_~m2~19 := ~nomsg; [L223] assume ~mode2 == 0; [L224] assume (~alive2 < 256 && !(~alive2 == 0)) && 0 <= ~alive2; [L225] assume !(~send2 == ~nomsg) && ~p2_new == ~nomsg; [L226] node2_#t~ite2 := ~send2; [L227] assume (0 <= node2_#t~ite2 && node2_#t~ite2 <= 127) && node2_#t~ite2 < 256; [L228] ~p2_new := node2_#t~ite2; [L229] havoc node2_#t~ite2; [L230] ~mode2 := 1; [L240] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L241] havoc node3_~m3~30; [L242] node3_~m3~30 := ~nomsg; [L247] assume (0 <= ~mode3 && !(~mode3 == 0)) && ~mode3 < 256; [L248] node3_~m3~30 := ~p2_old; [L249] ~p2_old := ~nomsg; [L250] assume node3_~m3~30 == ~nomsg; [L251] ~mode3 := 0; [L260] ~p1_old := ~p1_new; [L261] ~p1_new := ~nomsg; [L262] ~p2_old := ~p2_new; [L263] ~p2_new := ~nomsg; [L264] ~p3_old := ~p3_new; [L265] ~p3_new := ~nomsg; [L266] havoc check_#res; [L267] havoc check_~tmp~77; [L268] havoc check_~tmp~77; [L269] assume ~st2 + ~st1 + ~st3 <= 1; [L278] assume 256 + 256 <= ~r1 && !(~r1 % 256 < 3); [L279] assume !(~st1 + ~st3 + ~st2 == 1); [L280] check_~tmp~77 := 0; [L283] check_#res := check_~tmp~77; [L284] main_#t~ret23 := check_#res; [L285] assume 0 <= main_#t~ret23 + 2147483648 && main_#t~ret23 <= 2147483647; [L286] main_~c1~84 := main_#t~ret23; [L287] havoc main_#t~ret23; [L296] assume main_~c1~84 == 0; [L297] assert_#in~arg := 0; [L300] havoc assert_~arg; [L301] assert_~arg := assert_#in~arg; [L306] assume assert_~arg == 0; [L312] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...