/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:07:33,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:07:33,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:07:33,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:07:33,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:07:33,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:07:33,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:07:33,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:07:33,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:07:33,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:07:33,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:07:33,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:07:33,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:07:33,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:07:33,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:07:33,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:07:33,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:07:33,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:07:33,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:07:33,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:07:33,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:07:33,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:07:33,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:07:33,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:07:33,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:07:33,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:07:33,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:07:33,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:07:33,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 07:07:33,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:07:33,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:07:33,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:07:33,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:07:33,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:07:33,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:07:33,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:07:33,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:07:33,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:07:33,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:07:33,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:07:33,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:07:33,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:07:33,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:07:33,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:07:33,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:07:33,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:07:33,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:07:33,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:07:33,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 07:07:33,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:07:33,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:07:33,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:07:33,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:07:33,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:07:33,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-07 07:07:34,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0947fc4/297b79f3d0b4473da9c8dfbf85d21522/FLAGcae440ef7 [2019-11-07 07:07:34,614 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:07:34,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-07 07:07:34,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0947fc4/297b79f3d0b4473da9c8dfbf85d21522/FLAGcae440ef7 [2019-11-07 07:07:34,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0947fc4/297b79f3d0b4473da9c8dfbf85d21522 [2019-11-07 07:07:34,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:07:34,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:07:34,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:07:34,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:07:34,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:07:34,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:34" (1/1) ... [2019-11-07 07:07:34,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a116c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:34, skipping insertion in model container [2019-11-07 07:07:34,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:34" (1/1) ... [2019-11-07 07:07:34,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:07:34,959 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:07:35,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:07:35,512 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:07:35,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:07:35,694 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:07:35,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35 WrapperNode [2019-11-07 07:07:35,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:07:35,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:07:35,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:07:35,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:07:35,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:07:35,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:07:35,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:07:35,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:07:35,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (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 [2019-11-07 07:07:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:07:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:07:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:07:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:07:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:07:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:07:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:07:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:07:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:07:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:07:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:07:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:07:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:07:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:07:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:07:37,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:07:37,354 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:07:37,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:37 BoogieIcfgContainer [2019-11-07 07:07:37,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:07:37,357 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:07:37,357 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:07:37,358 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:07:37,359 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:37" (1/1) ... [2019-11-07 07:07:37,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:07:37,614 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:07:44,414 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:07:44,492 INFO L272 AbstractInterpreter]: Visited 527 different actions 10915 times. Merged at 347 different actions 5926 times. Widened at 90 different actions 897 times. Performed 29355 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29355 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3159 fixpoints after 235 different actions. Largest state had 196 variables. [2019-11-07 07:07:44,492 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:07:44,495 INFO L168 Benchmark]: Toolchain (without parser) took 9606.63 ms. Allocated memory was 143.7 MB in the beginning and 443.5 MB in the end (delta: 299.9 MB). Free memory was 98.8 MB in the beginning and 345.6 MB in the end (delta: -246.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:44,496 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 07:07:44,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.03 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 168.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:44,499 INFO L168 Benchmark]: Boogie Preprocessor took 85.26 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 164.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:44,502 INFO L168 Benchmark]: RCFGBuilder took 1574.79 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 164.9 MB in the beginning and 160.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:44,503 INFO L168 Benchmark]: Abstract Interpretation took 7134.95 ms. Allocated memory was 231.2 MB in the beginning and 443.5 MB in the end (delta: 212.3 MB). Free memory was 160.1 MB in the beginning and 345.6 MB in the end (delta: -185.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:44,515 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 807.03 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 168.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.26 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 164.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1574.79 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 164.9 MB in the beginning and 160.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7134.95 ms. Allocated memory was 231.2 MB in the beginning and 443.5 MB in the end (delta: 212.3 MB). Free memory was 160.1 MB in the beginning and 345.6 MB in the end (delta: -185.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 829]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1718; [L66] int __return_1846; [L67] int __return_1964; [L68] int __return_2082; [L69] int __return_2205; [L70] int __return_2315; [L73] int main__c1; [L74] int main__i2; [L75] main__c1 = 0 [L76] ep12 = __VERIFIER_nondet_bool() [L77] ep13 = __VERIFIER_nondet_bool() [L78] ep21 = __VERIFIER_nondet_bool() [L79] ep23 = __VERIFIER_nondet_bool() [L80] ep31 = __VERIFIER_nondet_bool() [L81] ep32 = __VERIFIER_nondet_bool() [L82] id1 = __VERIFIER_nondet_char() [L83] r1 = __VERIFIER_nondet_uchar() [L84] st1 = __VERIFIER_nondet_char() [L85] nl1 = __VERIFIER_nondet_char() [L86] m1 = __VERIFIER_nondet_char() [L87] max1 = __VERIFIER_nondet_char() [L88] mode1 = __VERIFIER_nondet_bool() [L89] id2 = __VERIFIER_nondet_char() [L90] r2 = __VERIFIER_nondet_uchar() [L91] st2 = __VERIFIER_nondet_char() [L92] nl2 = __VERIFIER_nondet_char() [L93] m2 = __VERIFIER_nondet_char() [L94] max2 = __VERIFIER_nondet_char() [L95] mode2 = __VERIFIER_nondet_bool() [L96] id3 = __VERIFIER_nondet_char() [L97] r3 = __VERIFIER_nondet_uchar() [L98] st3 = __VERIFIER_nondet_char() [L99] nl3 = __VERIFIER_nondet_char() [L100] m3 = __VERIFIER_nondet_char() [L101] max3 = __VERIFIER_nondet_char() [L102] mode3 = __VERIFIER_nondet_bool() [L104] _Bool init__r121; [L105] _Bool init__r131; [L106] _Bool init__r211; [L107] _Bool init__r231; [L108] _Bool init__r311; [L109] _Bool init__r321; [L110] _Bool init__r122; [L111] int init__tmp; [L112] _Bool init__r132; [L113] int init__tmp___0; [L114] _Bool init__r212; [L115] int init__tmp___1; [L116] _Bool init__r232; [L117] int init__tmp___2; [L118] _Bool init__r312; [L119] int init__tmp___3; [L120] _Bool init__r322; [L121] int init__tmp___4; [L122] int init__tmp___5; [L123] init__r121 = ep12 [L124] init__r131 = ep13 [L125] init__r211 = ep21 [L126] init__r231 = ep23 [L127] init__r311 = ep31 [L128] init__r321 = ep32 [L129] COND TRUE !(init__r121 == 0) [L131] init__tmp = 1 [L133] init__r122 = (_Bool)init__tmp [L134] COND TRUE !(init__r131 == 0) [L136] init__tmp___0 = 1 [L138] init__r132 = (_Bool)init__tmp___0 [L139] COND TRUE !(init__r211 == 0) [L141] init__tmp___1 = 1 [L143] init__r212 = (_Bool)init__tmp___1 [L144] COND TRUE !(init__r231 == 0) [L146] init__tmp___2 = 1 [L148] init__r232 = (_Bool)init__tmp___2 [L149] COND TRUE !(init__r311 == 0) [L151] init__tmp___3 = 1 [L153] init__r312 = (_Bool)init__tmp___3 [L154] COND TRUE !(init__r321 == 0) [L156] init__tmp___4 = 1 [L158] init__r322 = (_Bool)init__tmp___4 [L159] COND TRUE ((int)id1) != ((int)id2) [L161] COND TRUE ((int)id1) != ((int)id3) [L163] COND TRUE ((int)id2) != ((int)id3) [L165] COND TRUE ((int)id1) >= 0 [L167] COND TRUE ((int)id2) >= 0 [L169] COND TRUE ((int)id3) >= 0 [L171] COND TRUE ((int)r1) == 0 [L173] COND TRUE ((int)r2) == 0 [L175] COND TRUE ((int)r3) == 0 [L177] COND TRUE ((int)max1) == ((int)id1) [L179] COND TRUE ((int)max2) == ((int)id2) [L181] COND TRUE ((int)max3) == ((int)id3) [L183] COND TRUE ((int)st1) == 0 [L185] COND TRUE ((int)st2) == 0 [L187] COND TRUE ((int)st3) == 0 [L189] COND TRUE ((int)nl1) == 0 [L191] COND TRUE ((int)nl2) == 0 [L193] COND TRUE ((int)nl3) == 0 [L195] COND TRUE ((int)mode1) == 0 [L197] COND TRUE ((int)mode2) == 0 [L199] COND TRUE ((int)mode3) == 0 [L201] init__tmp___5 = 1 [L202] __return_1718 = init__tmp___5 [L203] main__i2 = __return_1718 [L204] COND TRUE main__i2 != 0 [L206] p12_old = nomsg [L207] p12_new = nomsg [L208] p13_old = nomsg [L209] p13_new = nomsg [L210] p21_old = nomsg [L211] p21_new = nomsg [L212] p23_old = nomsg [L213] p23_new = nomsg [L214] p31_old = nomsg [L215] p31_new = nomsg [L216] p32_old = nomsg [L217] p32_new = nomsg [L218] main__i2 = 0 [L220] COND FALSE !(!(mode1 == 0)) [L226] COND TRUE ((int)r1) < 2 [L228] COND FALSE !(!(ep12 == 0)) [L239] COND FALSE !(!(ep13 == 0)) [L250] mode1 = 1 [L252] COND FALSE !(!(mode2 == 0)) [L258] COND TRUE ((int)r2) < 2 [L260] COND FALSE !(!(ep21 == 0)) [L271] COND FALSE !(!(ep23 == 0)) [L282] mode2 = 1 [L284] COND FALSE !(!(mode3 == 0)) [L290] COND TRUE ((int)r3) < 2 [L292] COND FALSE !(!(ep31 == 0)) [L303] COND FALSE !(!(ep32 == 0)) [L314] mode3 = 1 [L315] p12_old = p12_new [L316] p12_new = nomsg [L317] p13_old = p13_new [L318] p13_new = nomsg [L319] p21_old = p21_new [L320] p21_new = nomsg [L321] p23_old = p23_new [L322] p23_new = nomsg [L323] p31_old = p31_new [L324] p31_new = nomsg [L325] p32_old = p32_new [L326] p32_new = nomsg [L328] int check__tmp; [L329] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L331] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L333] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L335] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L337] COND FALSE !(((int)r1) >= 2) [L343] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L345] COND TRUE ((int)r1) < 2 [L347] COND FALSE !(((int)r1) >= 2) [L353] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L355] COND TRUE ((int)r1) < 2 [L357] check__tmp = 1 [L358] __return_1846 = check__tmp [L359] main__c1 = __return_1846 [L361] _Bool __tmp_1; [L362] __tmp_1 = main__c1 [L363] _Bool assert__arg; [L364] assert__arg = __tmp_1 [L365] COND FALSE !(assert__arg == 0) [L372] COND TRUE !(mode1 == 0) [L374] COND FALSE !(r1 == 255) [L380] r1 = r1 + 1 [L381] COND FALSE !(!(ep21 == 0)) [L389] COND FALSE !(!(ep31 == 0)) [L397] COND FALSE !(((int)r1) == 2) [L403] mode1 = 0 [L405] COND TRUE !(mode2 == 0) [L407] COND FALSE !(r2 == 255) [L413] r2 = r2 + 1 [L414] COND FALSE !(!(ep12 == 0)) [L422] COND FALSE !(!(ep32 == 0)) [L430] COND FALSE !(((int)r2) == 2) [L436] mode2 = 0 [L438] COND TRUE !(mode3 == 0) [L440] COND FALSE !(r3 == 255) [L446] r3 = r3 + 1 [L447] COND FALSE !(!(ep13 == 0)) [L455] COND FALSE !(!(ep23 == 0)) [L463] COND FALSE !(((int)r3) == 2) [L469] mode3 = 0 [L470] p12_old = p12_new [L471] p12_new = nomsg [L472] p13_old = p13_new [L473] p13_new = nomsg [L474] p21_old = p21_new [L475] p21_new = nomsg [L476] p23_old = p23_new [L477] p23_new = nomsg [L478] p31_old = p31_new [L479] p31_new = nomsg [L480] p32_old = p32_new [L481] p32_new = nomsg [L483] int check__tmp; [L484] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L486] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L488] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L490] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L492] COND FALSE !(((int)r1) >= 2) [L498] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L500] COND TRUE ((int)r1) < 2 [L502] COND FALSE !(((int)r1) >= 2) [L508] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L510] COND TRUE ((int)r1) < 2 [L512] check__tmp = 1 [L513] __return_1964 = check__tmp [L514] main__c1 = __return_1964 [L516] _Bool __tmp_2; [L517] __tmp_2 = main__c1 [L518] _Bool assert__arg; [L519] assert__arg = __tmp_2 [L520] COND FALSE !(assert__arg == 0) [L527] COND FALSE !(!(mode1 == 0)) [L533] COND TRUE ((int)r1) < 2 [L535] COND FALSE !(!(ep12 == 0)) [L546] COND FALSE !(!(ep13 == 0)) [L557] mode1 = 1 [L559] COND FALSE !(!(mode2 == 0)) [L565] COND TRUE ((int)r2) < 2 [L567] COND FALSE !(!(ep21 == 0)) [L578] COND FALSE !(!(ep23 == 0)) [L589] mode2 = 1 [L591] COND FALSE !(!(mode3 == 0)) [L597] COND TRUE ((int)r3) < 2 [L599] COND FALSE !(!(ep31 == 0)) [L610] COND FALSE !(!(ep32 == 0)) [L621] mode3 = 1 [L622] p12_old = p12_new [L623] p12_new = nomsg [L624] p13_old = p13_new [L625] p13_new = nomsg [L626] p21_old = p21_new [L627] p21_new = nomsg [L628] p23_old = p23_new [L629] p23_new = nomsg [L630] p31_old = p31_new [L631] p31_new = nomsg [L632] p32_old = p32_new [L633] p32_new = nomsg [L635] int check__tmp; [L636] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L638] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L640] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L642] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L644] COND FALSE !(((int)r1) >= 2) [L650] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L652] COND TRUE ((int)r1) < 2 [L654] COND FALSE !(((int)r1) >= 2) [L660] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L662] COND TRUE ((int)r1) < 2 [L664] check__tmp = 1 [L665] __return_2082 = check__tmp [L666] main__c1 = __return_2082 [L668] _Bool __tmp_3; [L669] __tmp_3 = main__c1 [L670] _Bool assert__arg; [L671] assert__arg = __tmp_3 [L672] COND FALSE !(assert__arg == 0) [L679] COND TRUE !(mode1 == 0) [L681] COND FALSE !(r1 == 255) [L687] r1 = r1 + 1 [L688] COND FALSE !(!(ep21 == 0)) [L696] COND FALSE !(!(ep31 == 0)) [L704] COND TRUE ((int)r1) == 2 [L706] COND TRUE ((int)max1) == ((int)id1) [L708] st1 = 1 [L710] mode1 = 0 [L712] COND TRUE !(mode2 == 0) [L714] COND FALSE !(r2 == 255) [L720] r2 = r2 + 1 [L721] COND FALSE !(!(ep12 == 0)) [L729] COND FALSE !(!(ep32 == 0)) [L737] COND TRUE ((int)r2) == 2 [L739] COND FALSE !(((int)max2) == ((int)id2)) [L1475] nl2 = 1 [L743] mode2 = 0 [L745] COND TRUE !(mode3 == 0) [L747] COND FALSE !(r3 == 255) [L753] r3 = r3 + 1 [L754] COND FALSE !(!(ep13 == 0)) [L762] COND FALSE !(!(ep23 == 0)) [L770] COND TRUE ((int)r3) == 2 [L772] COND TRUE ((int)max3) == ((int)id3) [L774] st3 = 1 [L776] mode3 = 0 [L777] p12_old = p12_new [L778] p12_new = nomsg [L779] p13_old = p13_new [L780] p13_new = nomsg [L781] p21_old = p21_new [L782] p21_new = nomsg [L783] p23_old = p23_new [L784] p23_new = nomsg [L785] p31_old = p31_new [L786] p31_new = nomsg [L787] p32_old = p32_new [L788] p32_new = nomsg [L790] int check__tmp; [L791] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1430] check__tmp = 0 [L819] __return_2205 = check__tmp [L820] main__c1 = __return_2205 [L823] _Bool __tmp_4; [L824] __tmp_4 = main__c1 [L825] _Bool assert__arg; [L826] assert__arg = __tmp_4 [L827] COND TRUE assert__arg == 0 [L829] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...