/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+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:08:20,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:08:20,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:08:20,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:08:20,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:08:20,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:08:20,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:08:20,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:08:20,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:08:20,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:08:20,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:08:20,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:08:20,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:08:20,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:08:20,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:08:20,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:08:20,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:08:20,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:08:20,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:08:20,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:08:20,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:08:20,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:08:20,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:08:20,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:08:20,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:08:20,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:08:20,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:08:20,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:08:20,400 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 07:08:20,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:08:20,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:08:20,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:08:20,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:08:20,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:08:20,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:08:20,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:08:20,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:08:20,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:08:20,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:08:20,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:08:20,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:08:20,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:08:20,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:08:20,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:08:20,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:08:20,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:08:20,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:08:20,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:08:20,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:08:20,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:08:20,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:08:20,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:08:20,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:08:20,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:08:20,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:08:20,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:08:20,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:08:20,443 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 07:08:20,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:08:20,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:08:20,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:08:20,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:08:20,765 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:08:20,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-07 07:08:20,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c518253db/a87e6fe239bd43a6b84a7d66034a0ce6/FLAGa69850762 [2019-11-07 07:08:21,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:08:21,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-07 07:08:21,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c518253db/a87e6fe239bd43a6b84a7d66034a0ce6/FLAGa69850762 [2019-11-07 07:08:21,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c518253db/a87e6fe239bd43a6b84a7d66034a0ce6 [2019-11-07 07:08:21,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:08:21,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:08:21,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:21,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:08:21,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:08:21,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:21" (1/1) ... [2019-11-07 07:08:21,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4cd91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:21, skipping insertion in model container [2019-11-07 07:08:21,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:21" (1/1) ... [2019-11-07 07:08:21,688 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:08:21,736 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:08:22,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:22,037 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:08:22,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:22,263 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:08:22,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22 WrapperNode [2019-11-07 07:08:22,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:22,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:08:22,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:08:22,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:08:22,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (1/1) ... [2019-11-07 07:08:22,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:08:22,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:08:22,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:08:22,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:08:22,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:22" (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 07:08:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:08:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:08:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:08:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:08:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:08:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:08:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:08:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:08:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:08:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:08:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:08:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:08:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:08:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:08:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:08:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:08:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:08:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:08:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:08:23,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:08:23,201 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:08:23,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:23 BoogieIcfgContainer [2019-11-07 07:08:23,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:08:23,203 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:08:23,204 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:08:23,204 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:08:23,205 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:23" (1/1) ... [2019-11-07 07:08:23,236 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:08:23,387 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:08:26,751 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:08:26,787 INFO L272 AbstractInterpreter]: Visited 254 different actions 5188 times. Merged at 176 different actions 2841 times. Widened at 52 different actions 528 times. Performed 13482 root evaluator evaluations with a maximum evaluation depth of 5. Performed 13482 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1579 fixpoints after 130 different actions. Largest state had 178 variables. [2019-11-07 07:08:26,787 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:08:26,790 INFO L168 Benchmark]: Toolchain (without parser) took 5122.62 ms. Allocated memory was 144.7 MB in the beginning and 298.8 MB in the end (delta: 154.1 MB). Free memory was 101.7 MB in the beginning and 146.9 MB in the end (delta: -45.1 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:26,791 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:08:26,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.39 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 175.9 MB in the end (delta: -74.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:26,793 INFO L168 Benchmark]: Boogie Preprocessor took 57.34 ms. Allocated memory is still 202.4 MB. Free memory was 175.9 MB in the beginning and 173.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:26,794 INFO L168 Benchmark]: RCFGBuilder took 880.99 ms. Allocated memory is still 202.4 MB. Free memory was 173.2 MB in the beginning and 115.0 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:26,795 INFO L168 Benchmark]: Abstract Interpretation took 3583.92 ms. Allocated memory was 202.4 MB in the beginning and 298.8 MB in the end (delta: 96.5 MB). Free memory was 114.3 MB in the beginning and 146.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:26,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 592.39 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 175.9 MB in the end (delta: -74.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.34 ms. Allocated memory is still 202.4 MB. Free memory was 175.9 MB in the beginning and 173.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 880.99 ms. Allocated memory is still 202.4 MB. Free memory was 173.2 MB in the beginning and 115.0 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3583.92 ms. Allocated memory was 202.4 MB in the beginning and 298.8 MB in the end (delta: 96.5 MB). Free memory was 114.3 MB in the beginning and 146.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 390]: 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_1921; [L69] int __return_2070; [L72] int main__c1; [L73] int main__i2; [L74] main__c1 = 0 [L75] ep12 = __VERIFIER_nondet_bool() [L76] ep13 = __VERIFIER_nondet_bool() [L77] ep21 = __VERIFIER_nondet_bool() [L78] ep23 = __VERIFIER_nondet_bool() [L79] ep31 = __VERIFIER_nondet_bool() [L80] ep32 = __VERIFIER_nondet_bool() [L81] id1 = __VERIFIER_nondet_char() [L82] r1 = __VERIFIER_nondet_uchar() [L83] st1 = __VERIFIER_nondet_char() [L84] nl1 = __VERIFIER_nondet_char() [L85] m1 = __VERIFIER_nondet_char() [L86] max1 = __VERIFIER_nondet_char() [L87] mode1 = __VERIFIER_nondet_bool() [L88] newmax1 = __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] newmax2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] r3 = __VERIFIER_nondet_uchar() [L99] st3 = __VERIFIER_nondet_char() [L100] nl3 = __VERIFIER_nondet_char() [L101] m3 = __VERIFIER_nondet_char() [L102] max3 = __VERIFIER_nondet_char() [L103] mode3 = __VERIFIER_nondet_bool() [L104] newmax3 = __VERIFIER_nondet_bool() [L106] _Bool init__r121; [L107] _Bool init__r131; [L108] _Bool init__r211; [L109] _Bool init__r231; [L110] _Bool init__r311; [L111] _Bool init__r321; [L112] _Bool init__r122; [L113] int init__tmp; [L114] _Bool init__r132; [L115] int init__tmp___0; [L116] _Bool init__r212; [L117] int init__tmp___1; [L118] _Bool init__r232; [L119] int init__tmp___2; [L120] _Bool init__r312; [L121] int init__tmp___3; [L122] _Bool init__r322; [L123] int init__tmp___4; [L124] int init__tmp___5; [L125] init__r121 = ep12 [L126] init__r131 = ep13 [L127] init__r211 = ep21 [L128] init__r231 = ep23 [L129] init__r311 = ep31 [L130] init__r321 = ep32 [L131] COND TRUE !(init__r121 == 0) [L133] init__tmp = 1 [L135] init__r122 = (_Bool)init__tmp [L136] COND TRUE !(init__r131 == 0) [L138] init__tmp___0 = 1 [L140] init__r132 = (_Bool)init__tmp___0 [L141] COND TRUE !(init__r211 == 0) [L143] init__tmp___1 = 1 [L145] init__r212 = (_Bool)init__tmp___1 [L146] COND TRUE !(init__r231 == 0) [L148] init__tmp___2 = 1 [L150] init__r232 = (_Bool)init__tmp___2 [L151] COND TRUE !(init__r311 == 0) [L153] init__tmp___3 = 1 [L155] init__r312 = (_Bool)init__tmp___3 [L156] COND TRUE !(init__r321 == 0) [L158] init__tmp___4 = 1 [L160] init__r322 = (_Bool)init__tmp___4 [L161] COND TRUE ((int)id1) != ((int)id2) [L163] COND TRUE ((int)id1) != ((int)id3) [L165] COND TRUE ((int)id2) != ((int)id3) [L167] COND TRUE ((int)id1) >= 0 [L169] COND TRUE ((int)id2) >= 0 [L171] COND TRUE ((int)id3) >= 0 [L173] COND TRUE ((int)r1) == 0 [L175] COND TRUE ((int)r2) == 0 [L177] COND TRUE ((int)r3) == 0 [L179] COND TRUE ((int)max1) == ((int)id1) [L181] COND TRUE ((int)max2) == ((int)id2) [L183] COND TRUE ((int)max3) == ((int)id3) [L185] COND TRUE ((int)st1) == 0 [L187] COND TRUE ((int)st2) == 0 [L189] COND TRUE ((int)st3) == 0 [L191] COND TRUE ((int)nl1) == 0 [L193] COND TRUE ((int)nl2) == 0 [L195] COND TRUE ((int)nl3) == 0 [L197] COND TRUE ((int)mode1) == 0 [L199] COND TRUE ((int)mode2) == 0 [L201] COND TRUE ((int)mode3) == 0 [L203] COND TRUE !(newmax1 == 0) [L205] COND TRUE !(newmax2 == 0) [L207] COND TRUE !(newmax3 == 0) [L209] init__tmp___5 = 1 [L210] __return_1921 = init__tmp___5 [L211] main__i2 = __return_1921 [L212] COND TRUE main__i2 != 0 [L214] p12_old = nomsg [L215] p12_new = nomsg [L216] p13_old = nomsg [L217] p13_new = nomsg [L218] p21_old = nomsg [L219] p21_new = nomsg [L220] p23_old = nomsg [L221] p23_new = nomsg [L222] p31_old = nomsg [L223] p31_new = nomsg [L224] p32_old = nomsg [L225] p32_new = nomsg [L226] main__i2 = 0 [L229] _Bool node1__newmax; [L230] node1__newmax = 0 [L231] COND FALSE !(!(mode1 == 0)) [L755] COND FALSE !(((int)r1) < 2) [L783] mode1 = 1 [L266] _Bool node2__newmax; [L267] node2__newmax = 0 [L268] COND FALSE !(!(mode2 == 0)) [L635] COND FALSE !(((int)r2) < 2) [L663] mode2 = 1 [L303] _Bool node3__newmax; [L304] node3__newmax = 0 [L305] COND TRUE !(mode3 == 0) [L307] COND FALSE !(r3 == 255) [L311] r3 = r3 + 1 [L312] COND FALSE !(!(ep13 == 0)) [L321] COND FALSE !(!(ep23 == 0)) [L330] newmax3 = node3__newmax [L331] COND TRUE ((int)r3) == 2 [L333] COND TRUE ((int)max3) == ((int)id3) [L335] st3 = 1 [L337] mode3 = 0 [L339] p12_old = p12_new [L340] p12_new = nomsg [L341] p13_old = p13_new [L342] p13_new = nomsg [L343] p21_old = p21_new [L344] p21_new = nomsg [L345] p23_old = p23_new [L346] p23_new = nomsg [L347] p31_old = p31_new [L348] p31_new = nomsg [L349] p32_old = p32_new [L350] p32_new = nomsg [L352] int check__tmp; [L353] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L472] check__tmp = 0 [L381] __return_2070 = check__tmp [L382] main__c1 = __return_2070 [L384] _Bool __tmp_1; [L385] __tmp_1 = main__c1 [L386] _Bool assert__arg; [L387] assert__arg = __tmp_1 [L388] COND TRUE assert__arg == 0 [L390] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...