/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_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:08:28,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:08:28,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:08:28,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:08:28,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:08:28,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:08:28,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:08:28,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:08:28,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:08:28,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:08:28,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:08:28,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:08:28,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:08:28,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:08:28,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:08:28,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:08:28,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:08:28,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:08:28,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:08:28,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:08:28,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:08:28,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:08:28,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:08:28,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:08:28,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:08:28,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:08:28,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:08:28,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:08:28,944 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 07:08:28,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:08:28,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:08:28,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:08:28,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:08:28,964 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:08:28,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:08:28,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:08:28,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:08:28,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:08:28,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:08:28,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:08:28,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:08:28,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:08:28,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:08:28,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:08:28,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:08:28,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:08:28,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:08:28,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:08:28,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:08:28,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:08:28,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:08:28,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:08:28,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:08:28,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:08:28,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:08:28,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:08:28,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:08:28,969 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 07:08:29,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:08:29,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:08:29,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:08:29,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:08:29,257 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:08:29,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-07 07:08:29,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586ab6db9/48ab894ea1114de8afb7b76742e71b40/FLAG3c71f0e1f [2019-11-07 07:08:29,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:08:29,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-07 07:08:29,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586ab6db9/48ab894ea1114de8afb7b76742e71b40/FLAG3c71f0e1f [2019-11-07 07:08:30,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/586ab6db9/48ab894ea1114de8afb7b76742e71b40 [2019-11-07 07:08:30,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:08:30,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:08:30,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:30,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:08:30,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:08:30,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:30" (1/1) ... [2019-11-07 07:08:30,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9425542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:30, skipping insertion in model container [2019-11-07 07:08:30,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:30" (1/1) ... [2019-11-07 07:08:30,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:08:30,277 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:08:30,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:30,853 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:08:31,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:31,244 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:08:31,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31 WrapperNode [2019-11-07 07:08:31,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:31,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:08:31,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:08:31,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:08:31,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:08:31,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:08:31,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:08:31,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:08:31,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31" (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 07:08:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:08:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:08:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:08:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:08:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:08:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:08:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:08:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:08:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:08:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:08:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:08:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:08:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:08:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:08:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:08:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:08:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:08:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:08:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:08:32,937 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:08:32,938 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:08:32,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:32 BoogieIcfgContainer [2019-11-07 07:08:32,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:08:32,940 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:08:32,941 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:08:32,941 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:08:32,942 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,988 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:08:33,233 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:08:40,766 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:08:40,819 INFO L272 AbstractInterpreter]: Visited 580 different actions 13953 times. Merged at 384 different actions 7698 times. Widened at 98 different actions 1168 times. Performed 37285 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37285 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 4202 fixpoints after 260 different actions. Largest state had 220 variables. [2019-11-07 07:08:40,819 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:08:40,823 INFO L168 Benchmark]: Toolchain (without parser) took 10630.57 ms. Allocated memory was 144.7 MB in the beginning and 519.6 MB in the end (delta: 374.9 MB). Free memory was 100.5 MB in the beginning and 199.7 MB in the end (delta: -99.2 MB). Peak memory consumption was 275.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,823 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.58 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 168.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,825 INFO L168 Benchmark]: Boogie Preprocessor took 122.85 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 164.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,826 INFO L168 Benchmark]: RCFGBuilder took 1571.29 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 164.4 MB in the beginning and 147.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,828 INFO L168 Benchmark]: Abstract Interpretation took 7879.26 ms. Allocated memory was 235.4 MB in the beginning and 519.6 MB in the end (delta: 284.2 MB). Free memory was 147.8 MB in the beginning and 199.7 MB in the end (delta: -51.8 MB). Peak memory consumption was 232.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1052.58 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 168.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.85 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 164.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1571.29 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 164.4 MB in the beginning and 147.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7879.26 ms. Allocated memory was 235.4 MB in the beginning and 519.6 MB in the end (delta: 284.2 MB). Free memory was 147.8 MB in the beginning and 199.7 MB in the end (delta: -51.8 MB). Peak memory consumption was 232.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 907]: 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] _Bool newmax1 = 0; [L45] char id2 = '\x0'; [L46] unsigned char r2 = '\x0'; [L47] char st2 = '\x0'; [L48] char nl2 = '\x0'; [L49] char m2 = '\x0'; [L50] char max2 = '\x0'; [L51] _Bool mode2 = 0; [L52] _Bool newmax2 = 0; [L53] char id3 = '\x0'; [L54] unsigned char r3 = '\x0'; [L55] char st3 = '\x0'; [L56] char nl3 = '\x0'; [L57] char m3 = '\x0'; [L58] char max3 = '\x0'; [L59] _Bool mode3 = 0; [L60] _Bool newmax3 = 0; [L64] void (*nodes[3])() = { &node1, &node2, &node3 }; [L68] int __return_1873; [L69] int __return_2019; [L70] int __return_2152; [L71] int __return_2288; [L72] int __return_2426; [L73] int __return_2551; [L76] int main__c1; [L77] int main__i2; [L78] main__c1 = 0 [L79] ep12 = __VERIFIER_nondet_bool() [L80] ep13 = __VERIFIER_nondet_bool() [L81] ep21 = __VERIFIER_nondet_bool() [L82] ep23 = __VERIFIER_nondet_bool() [L83] ep31 = __VERIFIER_nondet_bool() [L84] ep32 = __VERIFIER_nondet_bool() [L85] id1 = __VERIFIER_nondet_char() [L86] r1 = __VERIFIER_nondet_uchar() [L87] st1 = __VERIFIER_nondet_char() [L88] nl1 = __VERIFIER_nondet_char() [L89] m1 = __VERIFIER_nondet_char() [L90] max1 = __VERIFIER_nondet_char() [L91] mode1 = __VERIFIER_nondet_bool() [L92] newmax1 = __VERIFIER_nondet_bool() [L93] id2 = __VERIFIER_nondet_char() [L94] r2 = __VERIFIER_nondet_uchar() [L95] st2 = __VERIFIER_nondet_char() [L96] nl2 = __VERIFIER_nondet_char() [L97] m2 = __VERIFIER_nondet_char() [L98] max2 = __VERIFIER_nondet_char() [L99] mode2 = __VERIFIER_nondet_bool() [L100] newmax2 = __VERIFIER_nondet_bool() [L101] id3 = __VERIFIER_nondet_char() [L102] r3 = __VERIFIER_nondet_uchar() [L103] st3 = __VERIFIER_nondet_char() [L104] nl3 = __VERIFIER_nondet_char() [L105] m3 = __VERIFIER_nondet_char() [L106] max3 = __VERIFIER_nondet_char() [L107] mode3 = __VERIFIER_nondet_bool() [L108] newmax3 = __VERIFIER_nondet_bool() [L110] _Bool init__r121; [L111] _Bool init__r131; [L112] _Bool init__r211; [L113] _Bool init__r231; [L114] _Bool init__r311; [L115] _Bool init__r321; [L116] _Bool init__r122; [L117] int init__tmp; [L118] _Bool init__r132; [L119] int init__tmp___0; [L120] _Bool init__r212; [L121] int init__tmp___1; [L122] _Bool init__r232; [L123] int init__tmp___2; [L124] _Bool init__r312; [L125] int init__tmp___3; [L126] _Bool init__r322; [L127] int init__tmp___4; [L128] int init__tmp___5; [L129] init__r121 = ep12 [L130] init__r131 = ep13 [L131] init__r211 = ep21 [L132] init__r231 = ep23 [L133] init__r311 = ep31 [L134] init__r321 = ep32 [L135] COND TRUE !(init__r121 == 0) [L137] init__tmp = 1 [L139] init__r122 = (_Bool)init__tmp [L140] COND TRUE !(init__r131 == 0) [L142] init__tmp___0 = 1 [L144] init__r132 = (_Bool)init__tmp___0 [L145] COND TRUE !(init__r211 == 0) [L147] init__tmp___1 = 1 [L149] init__r212 = (_Bool)init__tmp___1 [L150] COND TRUE !(init__r231 == 0) [L152] init__tmp___2 = 1 [L154] init__r232 = (_Bool)init__tmp___2 [L155] COND TRUE !(init__r311 == 0) [L157] init__tmp___3 = 1 [L159] init__r312 = (_Bool)init__tmp___3 [L160] COND TRUE !(init__r321 == 0) [L162] init__tmp___4 = 1 [L164] init__r322 = (_Bool)init__tmp___4 [L165] COND TRUE ((int)id1) != ((int)id2) [L167] COND TRUE ((int)id1) != ((int)id3) [L169] COND TRUE ((int)id2) != ((int)id3) [L171] COND TRUE ((int)id1) >= 0 [L173] COND TRUE ((int)id2) >= 0 [L175] COND TRUE ((int)id3) >= 0 [L177] COND TRUE ((int)r1) == 0 [L179] COND TRUE ((int)r2) == 0 [L181] COND TRUE ((int)r3) == 0 [L183] COND TRUE ((int)max1) == ((int)id1) [L185] COND TRUE ((int)max2) == ((int)id2) [L187] COND TRUE ((int)max3) == ((int)id3) [L189] COND TRUE ((int)st1) == 0 [L191] COND TRUE ((int)st2) == 0 [L193] COND TRUE ((int)st3) == 0 [L195] COND TRUE ((int)nl1) == 0 [L197] COND TRUE ((int)nl2) == 0 [L199] COND TRUE ((int)nl3) == 0 [L201] COND TRUE ((int)mode1) == 0 [L203] COND TRUE ((int)mode2) == 0 [L205] COND TRUE ((int)mode3) == 0 [L207] COND TRUE !(newmax1 == 0) [L209] COND TRUE !(newmax2 == 0) [L211] COND TRUE !(newmax3 == 0) [L213] init__tmp___5 = 1 [L214] __return_1873 = init__tmp___5 [L215] main__i2 = __return_1873 [L216] COND TRUE main__i2 != 0 [L218] p12_old = nomsg [L219] p12_new = nomsg [L220] p13_old = nomsg [L221] p13_new = nomsg [L222] p21_old = nomsg [L223] p21_new = nomsg [L224] p23_old = nomsg [L225] p23_new = nomsg [L226] p31_old = nomsg [L227] p31_new = nomsg [L228] p32_old = nomsg [L229] p32_new = nomsg [L230] main__i2 = 0 [L232] _Bool node1__newmax; [L233] node1__newmax = 0 [L234] COND FALSE !(!(mode1 == 0)) [L240] COND TRUE ((int)r1) < 2 [L242] COND FALSE !(!(ep12 == 0)) [L255] COND FALSE !(!(ep13 == 0)) [L268] mode1 = 1 [L270] _Bool node2__newmax; [L271] node2__newmax = 0 [L272] COND FALSE !(!(mode2 == 0)) [L278] COND TRUE ((int)r2) < 2 [L280] COND FALSE !(!(ep21 == 0)) [L293] COND FALSE !(!(ep23 == 0)) [L306] mode2 = 1 [L308] _Bool node3__newmax; [L309] node3__newmax = 0 [L310] COND FALSE !(!(mode3 == 0)) [L316] COND TRUE ((int)r3) < 2 [L318] COND FALSE !(!(ep31 == 0)) [L331] COND FALSE !(!(ep32 == 0)) [L344] mode3 = 1 [L345] p12_old = p12_new [L346] p12_new = nomsg [L347] p13_old = p13_new [L348] p13_new = nomsg [L349] p21_old = p21_new [L350] p21_new = nomsg [L351] p23_old = p23_new [L352] p23_new = nomsg [L353] p31_old = p31_new [L354] p31_new = nomsg [L355] p32_old = p32_new [L356] p32_new = nomsg [L358] int check__tmp; [L359] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L361] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L363] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L365] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L367] COND FALSE !(((int)r1) >= 2) [L373] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L375] COND TRUE ((int)r1) < 2 [L377] COND FALSE !(((int)r1) >= 2) [L383] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L385] COND TRUE ((int)r1) < 2 [L387] check__tmp = 1 [L388] __return_2019 = check__tmp [L389] main__c1 = __return_2019 [L391] _Bool __tmp_1; [L392] __tmp_1 = main__c1 [L393] _Bool assert__arg; [L394] assert__arg = __tmp_1 [L395] COND FALSE !(assert__arg == 0) [L402] _Bool node1__newmax; [L403] node1__newmax = 0 [L404] COND TRUE !(mode1 == 0) [L406] COND FALSE !(r1 == 255) [L412] r1 = r1 + 1 [L413] COND FALSE !(!(ep21 == 0)) [L422] COND FALSE !(!(ep31 == 0)) [L431] newmax1 = node1__newmax [L432] COND FALSE !(((int)r1) == 2) [L438] mode1 = 0 [L440] _Bool node2__newmax; [L441] node2__newmax = 0 [L442] COND TRUE !(mode2 == 0) [L444] COND FALSE !(r2 == 255) [L450] r2 = r2 + 1 [L451] COND FALSE !(!(ep12 == 0)) [L460] COND FALSE !(!(ep32 == 0)) [L469] newmax2 = node2__newmax [L470] COND FALSE !(((int)r2) == 2) [L476] mode2 = 0 [L478] _Bool node3__newmax; [L479] node3__newmax = 0 [L480] COND TRUE !(mode3 == 0) [L482] COND FALSE !(r3 == 255) [L488] r3 = r3 + 1 [L489] COND FALSE !(!(ep13 == 0)) [L498] COND FALSE !(!(ep23 == 0)) [L507] newmax3 = node3__newmax [L508] COND FALSE !(((int)r3) == 2) [L514] mode3 = 0 [L515] p12_old = p12_new [L516] p12_new = nomsg [L517] p13_old = p13_new [L518] p13_new = nomsg [L519] p21_old = p21_new [L520] p21_new = nomsg [L521] p23_old = p23_new [L522] p23_new = nomsg [L523] p31_old = p31_new [L524] p31_new = nomsg [L525] p32_old = p32_new [L526] p32_new = nomsg [L528] int check__tmp; [L529] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L531] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L533] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L535] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L537] COND FALSE !(((int)r1) >= 2) [L543] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L545] COND TRUE ((int)r1) < 2 [L547] COND FALSE !(((int)r1) >= 2) [L553] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L555] COND TRUE ((int)r1) < 2 [L557] check__tmp = 1 [L558] __return_2152 = check__tmp [L559] main__c1 = __return_2152 [L561] _Bool __tmp_2; [L562] __tmp_2 = main__c1 [L563] _Bool assert__arg; [L564] assert__arg = __tmp_2 [L565] COND FALSE !(assert__arg == 0) [L572] _Bool node1__newmax; [L573] node1__newmax = 0 [L574] COND FALSE !(!(mode1 == 0)) [L580] COND TRUE ((int)r1) < 2 [L582] COND FALSE !(!(ep12 == 0)) [L595] COND FALSE !(!(ep13 == 0)) [L608] mode1 = 1 [L610] _Bool node2__newmax; [L611] node2__newmax = 0 [L612] COND FALSE !(!(mode2 == 0)) [L618] COND TRUE ((int)r2) < 2 [L620] COND FALSE !(!(ep21 == 0)) [L633] COND FALSE !(!(ep23 == 0)) [L646] mode2 = 1 [L648] _Bool node3__newmax; [L649] node3__newmax = 0 [L650] COND FALSE !(!(mode3 == 0)) [L656] COND TRUE ((int)r3) < 2 [L658] COND FALSE !(!(ep31 == 0)) [L671] COND FALSE !(!(ep32 == 0)) [L684] mode3 = 1 [L685] p12_old = p12_new [L686] p12_new = nomsg [L687] p13_old = p13_new [L688] p13_new = nomsg [L689] p21_old = p21_new [L690] p21_new = nomsg [L691] p23_old = p23_new [L692] p23_new = nomsg [L693] p31_old = p31_new [L694] p31_new = nomsg [L695] p32_old = p32_new [L696] p32_new = nomsg [L698] int check__tmp; [L699] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L701] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L703] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L705] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L707] COND FALSE !(((int)r1) >= 2) [L713] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L715] COND TRUE ((int)r1) < 2 [L717] COND FALSE !(((int)r1) >= 2) [L723] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L725] COND TRUE ((int)r1) < 2 [L727] check__tmp = 1 [L728] __return_2288 = check__tmp [L729] main__c1 = __return_2288 [L731] _Bool __tmp_3; [L732] __tmp_3 = main__c1 [L733] _Bool assert__arg; [L734] assert__arg = __tmp_3 [L735] COND FALSE !(assert__arg == 0) [L742] _Bool node1__newmax; [L743] node1__newmax = 0 [L744] COND TRUE !(mode1 == 0) [L746] COND FALSE !(r1 == 255) [L752] r1 = r1 + 1 [L753] COND FALSE !(!(ep21 == 0)) [L762] COND FALSE !(!(ep31 == 0)) [L771] newmax1 = node1__newmax [L772] COND TRUE ((int)r1) == 2 [L774] COND TRUE ((int)max1) == ((int)id1) [L776] st1 = 1 [L778] mode1 = 0 [L780] _Bool node2__newmax; [L781] node2__newmax = 0 [L782] COND TRUE !(mode2 == 0) [L784] COND FALSE !(r2 == 255) [L790] r2 = r2 + 1 [L791] COND FALSE !(!(ep12 == 0)) [L800] COND FALSE !(!(ep32 == 0)) [L809] newmax2 = node2__newmax [L810] COND TRUE ((int)r2) == 2 [L812] COND TRUE ((int)max2) == ((int)id2) [L814] st2 = 1 [L816] mode2 = 0 [L818] _Bool node3__newmax; [L819] node3__newmax = 0 [L820] COND TRUE !(mode3 == 0) [L822] COND FALSE !(r3 == 255) [L828] r3 = r3 + 1 [L829] COND FALSE !(!(ep13 == 0)) [L838] COND FALSE !(!(ep23 == 0)) [L847] newmax3 = node3__newmax [L848] COND TRUE ((int)r3) == 2 [L850] COND FALSE !(((int)max3) == ((int)id3)) [L1572] nl3 = 1 [L854] mode3 = 0 [L855] p12_old = p12_new [L856] p12_new = nomsg [L857] p13_old = p13_new [L858] p13_new = nomsg [L859] p21_old = p21_new [L860] p21_new = nomsg [L861] p23_old = p23_new [L862] p23_new = nomsg [L863] p31_old = p31_new [L864] p31_new = nomsg [L865] p32_old = p32_new [L866] p32_new = nomsg [L868] int check__tmp; [L869] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1565] check__tmp = 0 [L897] __return_2426 = check__tmp [L898] main__c1 = __return_2426 [L901] _Bool __tmp_4; [L902] __tmp_4 = main__c1 [L903] _Bool assert__arg; [L904] assert__arg = __tmp_4 [L905] COND TRUE assert__arg == 0 [L907] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...