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.3.1.ufo.BOUNDED-6.pals.c_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:47,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:47,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:47,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:47,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:47,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:47,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:47,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:47,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:47,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:47,945 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:47,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:47,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:47,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:47,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:47,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:47,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:47,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:47,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:47,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:47,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:47,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:47,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:47,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:47,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:14:47,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:14:47,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:14:47,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:14:47,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:14:47,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:14:47,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:47,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:47,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:47,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:47,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:47,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:47,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:47,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:14:47,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:14:47,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:14:47,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:14:47,975 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 12:14:47,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:47,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:47,998 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:47,998 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:47,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:47,999 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:47,999 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:47,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:48,000 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:48,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:48,000 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:48,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:48,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:48,001 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:48,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:48,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:48,004 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:48,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:48,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:48,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:48,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:48,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:48,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:48,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:48,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:48,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:48,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:48,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:48,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:48,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:48,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:48,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:48,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:48,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:48,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:48,008 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:48,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:48,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:48,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:48,010 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:48,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:48,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:48,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:48,062 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:48,062 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:48,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl [2019-08-05 12:14:48,063 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl' [2019-08-05 12:14:48,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:48,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:48,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:48,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:48,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:48,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:48,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:48,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:48,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:48,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:48,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:48,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:48,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:48,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:48" (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 12:14:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:48,828 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:48,828 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:14:48,830 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:48 BoogieIcfgContainer [2019-08-05 12:14:48,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:48,831 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:48,831 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:48,831 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:48,832 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:48" (1/1) ... [2019-08-05 12:14:48,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:49,307 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:49,339 INFO L272 AbstractInterpreter]: Visited 18 different actions 103 times. Merged at 16 different actions 60 times. Widened at 6 different actions 6 times. Performed 1172 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1172 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 20 fixpoints after 10 different actions. Largest state had 0 variables. [2019-08-05 12:14:49,339 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:49,343 INFO L168 Benchmark]: Toolchain (without parser) took 1218.06 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 105.3 MB in the beginning and 136.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:49,344 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:49,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.30 ms. Allocated memory is still 141.0 MB. Free memory was 105.1 MB in the beginning and 103.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:49,347 INFO L168 Benchmark]: Boogie Preprocessor took 54.83 ms. Allocated memory is still 141.0 MB. Free memory was 103.4 MB in the beginning and 102.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:49,349 INFO L168 Benchmark]: RCFGBuilder took 608.27 ms. Allocated memory is still 141.0 MB. Free memory was 102.1 MB in the beginning and 83.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:49,350 INFO L168 Benchmark]: Abstract Interpretation took 508.65 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 83.7 MB in the beginning and 136.1 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:14:49,355 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 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.30 ms. Allocated memory is still 141.0 MB. Free memory was 105.1 MB in the beginning and 103.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.83 ms. Allocated memory is still 141.0 MB. Free memory was 103.4 MB in the beginning and 102.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 608.27 ms. Allocated memory is still 141.0 MB. Free memory was 102.1 MB in the beginning and 83.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 508.65 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 83.7 MB in the beginning and 136.1 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 314]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L97] ~r1 := 0; [L98] ~p1_old := 0; [L99] ~p1_new := 0; [L100] ~id1 := 0; [L101] ~st1 := 0; [L102] ~mode1 := 0; [L103] ~alive1 := 0; [L104] ~p2_old := 0; [L105] ~p2_new := 0; [L106] ~id2 := 0; [L107] ~st2 := 0; [L108] ~mode2 := 0; [L109] ~alive2 := 0; [L110] ~p3_old := 0; [L111] ~p3_new := 0; [L112] ~id3 := 0; [L113] ~st3 := 0; [L114] ~mode3 := 0; [L115] ~alive3 := 0; [L116] ~nomsg := -1; [L117] ~send1 := 0; [L118] ~send2 := 0; [L119] ~send3 := 0; [L120] havoc main_#res; [L121] havoc main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~ret22, main_#t~ret23, main_#t~post24, main_~c1~84, main_~i2~84; [L122] havoc main_~c1~84; [L123] havoc main_~i2~84; [L124] main_~c1~84 := 0; [L125] assume -128 <= main_#t~nondet6 && main_#t~nondet6 <= 127; [L126] ~r1 := main_#t~nondet6; [L127] havoc main_#t~nondet6; [L128] assume -128 <= main_#t~nondet7 && main_#t~nondet7 <= 127; [L129] ~id1 := main_#t~nondet7; [L130] havoc main_#t~nondet7; [L131] assume -128 <= main_#t~nondet8 && main_#t~nondet8 <= 127; [L132] ~st1 := main_#t~nondet8; [L133] havoc main_#t~nondet8; [L134] assume -128 <= main_#t~nondet9 && main_#t~nondet9 <= 127; [L135] ~send1 := main_#t~nondet9; [L136] havoc main_#t~nondet9; [L137] ~mode1 := main_#t~nondet10; [L138] havoc main_#t~nondet10; [L139] ~alive1 := main_#t~nondet11; [L140] havoc main_#t~nondet11; [L141] assume -128 <= main_#t~nondet12 && main_#t~nondet12 <= 127; [L142] ~id2 := main_#t~nondet12; [L143] havoc main_#t~nondet12; [L144] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L145] ~st2 := main_#t~nondet13; [L146] havoc main_#t~nondet13; [L147] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L148] ~send2 := main_#t~nondet14; [L149] havoc main_#t~nondet14; [L150] ~mode2 := main_#t~nondet15; [L151] havoc main_#t~nondet15; [L152] ~alive2 := main_#t~nondet16; [L153] havoc main_#t~nondet16; [L154] assume -128 <= main_#t~nondet17 && main_#t~nondet17 <= 127; [L155] ~id3 := main_#t~nondet17; [L156] havoc main_#t~nondet17; [L157] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L158] ~st3 := main_#t~nondet18; [L159] havoc main_#t~nondet18; [L160] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L161] ~send3 := main_#t~nondet19; [L162] havoc main_#t~nondet19; [L163] ~mode3 := main_#t~nondet20; [L164] havoc main_#t~nondet20; [L165] ~alive3 := main_#t~nondet21; [L166] havoc main_#t~nondet21; [L167] havoc init_#res; [L168] havoc init_~tmp~41; [L169] havoc init_~tmp~41; [L170] assume ~r1 == 0; [L171] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 >= 1; [L172] assume ~id1 >= 0; [L173] assume ~st1 == 0; [L174] assume ~send1 == ~id1; [L175] assume ~mode1 % 256 == 0; [L176] assume ~id2 >= 0; [L177] assume ~st2 == 0; [L178] assume ~send2 == ~id2; [L179] assume ~mode2 % 256 == 0; [L180] assume ~id3 >= 0; [L181] assume ~st3 == 0; [L182] assume ~send3 == ~id3; [L183] assume ~mode3 % 256 == 0; [L184] assume ~id1 != ~id2; [L185] assume ~id1 != ~id3; [L186] assume ~id2 != ~id3; [L187] init_~tmp~41 := 1; [L188] init_#res := init_~tmp~41; [L189] main_#t~ret22 := init_#res; [L190] assume -2147483648 <= main_#t~ret22 && main_#t~ret22 <= 2147483647; [L191] main_~i2~84 := main_#t~ret22; [L192] havoc main_#t~ret22; [L193] assume main_~i2~84 != 0; [L194] ~p1_old := ~nomsg; [L195] ~p1_new := ~nomsg; [L196] ~p2_old := ~nomsg; [L197] ~p2_new := ~nomsg; [L198] ~p3_old := ~nomsg; [L199] ~p3_new := ~nomsg; [L200] main_~i2~84 := 0; [L204] assume !!(main_~i2~84 < 6); [L205] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L206] havoc node1_~m1~7; [L207] node1_~m1~7 := ~nomsg; [L212] assume !(~mode1 % 256 != 0); [L213] assume ~alive1 % 256 != 0; [L214] assume ~send1 != ~nomsg && ~p1_new == ~nomsg; [L215] node1_#t~ite0 := ~send1; [L216] ~p1_new := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256); [L217] havoc node1_#t~ite0; [L218] ~mode1 := 1; [L229] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L230] havoc node2_~m2~19; [L231] node2_~m2~19 := ~nomsg; [L243] assume !(~mode2 % 256 != 0); [L244] assume !(~alive2 % 256 != 0); [L245] assume !(~send2 != ~id2); [L246] ~mode2 := 1; [L249] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L250] havoc node3_~m3~30; [L251] node3_~m3~30 := ~nomsg; [L256] assume !(~mode3 % 256 != 0); [L257] assume !(~alive3 % 256 != 0); [L258] assume !(~send3 != ~id3); [L259] ~mode3 := 1; [L269] ~p1_old := ~p1_new; [L270] ~p1_new := ~nomsg; [L271] ~p2_old := ~p2_new; [L272] ~p2_new := ~nomsg; [L273] ~p3_old := ~p3_new; [L274] ~p3_new := ~nomsg; [L275] havoc check_#res; [L276] havoc check_~tmp~77; [L277] havoc check_~tmp~77; [L278] assume ~st1 + ~st2 + ~st3 <= 1; [L283] assume ~r1 < 3; [L284] check_~tmp~77 := 1; [L292] check_#res := check_~tmp~77; [L293] main_#t~ret23 := check_#res; [L294] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L295] main_~c1~84 := main_#t~ret23; [L296] havoc main_#t~ret23; [L297] assert_#in~arg := (if main_~c1~84 == 0 then 0 else 1); [L298] havoc assert_~arg; [L299] assert_~arg := assert_#in~arg; [L308] assume !(assert_~arg % 256 == 0); [L309] main_#t~post24 := main_~i2~84; [L310] main_~i2~84 := main_#t~post24 + 1; [L311] havoc main_#t~post24; [L204] assume !!(main_~i2~84 < 6); [L205] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L206] havoc node1_~m1~7; [L207] node1_~m1~7 := ~nomsg; [L221] assume ~mode1 % 256 != 0; [L222] ~r1 := (if (~r1 + 1) % 256 <= 127 then (~r1 + 1) % 256 else (~r1 + 1) % 256 - 256); [L223] node1_~m1~7 := ~p3_old; [L224] ~p3_old := ~nomsg; [L225] assume !(node1_~m1~7 != ~nomsg); [L226] ~mode1 := 0; [L229] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~19; [L230] havoc node2_~m2~19; [L231] node2_~m2~19 := ~nomsg; [L236] assume ~mode2 % 256 != 0; [L237] node2_~m2~19 := ~p1_old; [L238] ~p1_old := ~nomsg; [L239] assume !(node2_~m2~19 != ~nomsg); [L240] ~mode2 := 0; [L249] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~30; [L250] havoc node3_~m3~30; [L251] node3_~m3~30 := ~nomsg; [L262] assume ~mode3 % 256 != 0; [L263] node3_~m3~30 := ~p2_old; [L264] ~p2_old := ~nomsg; [L265] assume !(node3_~m3~30 != ~nomsg); [L266] ~mode3 := 0; [L269] ~p1_old := ~p1_new; [L270] ~p1_new := ~nomsg; [L271] ~p2_old := ~p2_new; [L272] ~p2_new := ~nomsg; [L273] ~p3_old := ~p3_new; [L274] ~p3_new := ~nomsg; [L275] havoc check_#res; [L276] havoc check_~tmp~77; [L277] havoc check_~tmp~77; [L278] assume ~st1 + ~st2 + ~st3 <= 1; [L287] assume !(~r1 < 3); [L288] assume !(~st1 + ~st2 + ~st3 == 1); [L289] check_~tmp~77 := 0; [L292] check_#res := check_~tmp~77; [L293] main_#t~ret23 := check_#res; [L294] assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647; [L295] main_~c1~84 := main_#t~ret23; [L296] havoc main_#t~ret23; [L297] assert_#in~arg := (if main_~c1~84 == 0 then 0 else 1); [L298] havoc assert_~arg; [L299] assert_~arg := assert_#in~arg; [L304] assume assert_~arg % 256 == 0; [L305] assume !false; [L314] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...