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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:23:34,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:23:34,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:23:34,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:23:34,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:23:34,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:23:34,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:23:34,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:23:34,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:23:34,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:23:34,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:23:34,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:23:34,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:23:34,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:23:34,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:23:34,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:23:34,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:23:34,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:23:34,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:23:34,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:23:34,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:23:34,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:23:34,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:23:34,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:23:34,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:23:34,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:23:34,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:23:34,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:23:34,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:23:34,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:23:34,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:23:34,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:23:34,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:23:34,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:23:34,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:23:34,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:23:34,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 17:23:34,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:23:34,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:23:34,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:23:34,597 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:23:34,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:23:34,597 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:23:34,598 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:23:34,598 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:23:34,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:23:34,598 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:23:34,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:23:34,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:23:34,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:23:34,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:23:34,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:23:34,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:23:34,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:23:34,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:23:34,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:23:34,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:23:34,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:23:34,601 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:23:34,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:23:34,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:23:34,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:23:34,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:23:34,602 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:23:34,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:23:34,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:23:34,603 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:23:34,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:23:34,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:23:34,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:23:34,662 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:23:34,662 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:23:34,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:23:34,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31a72a1f/5f924ee407e84644b2a9071307eabf53/FLAG0a9143b82 [2019-09-11 17:23:35,397 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:23:35,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:23:35,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31a72a1f/5f924ee407e84644b2a9071307eabf53/FLAG0a9143b82 [2019-09-11 17:23:35,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31a72a1f/5f924ee407e84644b2a9071307eabf53 [2019-09-11 17:23:35,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:23:35,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:23:35,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:23:35,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:23:35,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:23:35,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:23:35" (1/1) ... [2019-09-11 17:23:35,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b21cfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:35, skipping insertion in model container [2019-09-11 17:23:35,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:23:35" (1/1) ... [2019-09-11 17:23:35,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:23:35,768 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:23:36,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:23:36,817 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:23:37,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:23:37,292 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:23:37,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37 WrapperNode [2019-09-11 17:23:37,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:23:37,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:23:37,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:23:37,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:23:37,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (1/1) ... [2019-09-11 17:23:37,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:23:37,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:23:37,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:23:37,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:23:37,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:37" (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 [2019-09-11 17:23:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:23:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:23:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:23:40,516 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:23:40,517 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:23:40,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:23:40 BoogieIcfgContainer [2019-09-11 17:23:40,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:23:40,552 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:23:40,552 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:23:40,552 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:23:40,553 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:23:40" (1/1) ... [2019-09-11 17:23:40,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:23:40,843 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:24:22,563 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:24:22,685 INFO L272 AbstractInterpreter]: Visited 1384 different actions 68683 times. Merged at 896 different actions 37219 times. Widened at 273 different actions 5475 times. Performed 199585 root evaluator evaluations with a maximum evaluation depth of 6. Performed 199585 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 21132 fixpoints after 623 different actions. Largest state had 395 variables. [2019-09-11 17:24:22,685 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:24:22,688 INFO L168 Benchmark]: Toolchain (without parser) took 47064.82 ms. Allocated memory was 138.9 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 88.5 MB in the beginning and 214.3 MB in the end (delta: -125.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-11 17:24:22,689 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:24:22,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1666.36 ms. Allocated memory was 138.9 MB in the beginning and 222.8 MB in the end (delta: 83.9 MB). Free memory was 88.2 MB in the beginning and 165.6 MB in the end (delta: -77.3 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:24:22,691 INFO L168 Benchmark]: Boogie Preprocessor took 208.06 ms. Allocated memory is still 222.8 MB. Free memory was 165.6 MB in the beginning and 156.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:24:22,692 INFO L168 Benchmark]: RCFGBuilder took 3048.56 ms. Allocated memory was 222.8 MB in the beginning and 328.2 MB in the end (delta: 105.4 MB). Free memory was 156.9 MB in the beginning and 296.6 MB in the end (delta: -139.7 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:24:22,693 INFO L168 Benchmark]: Abstract Interpretation took 42133.32 ms. Allocated memory was 328.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 296.6 MB in the beginning and 214.3 MB in the end (delta: 82.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-11 17:24:22,697 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 138.9 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1666.36 ms. Allocated memory was 138.9 MB in the beginning and 222.8 MB in the end (delta: 83.9 MB). Free memory was 88.2 MB in the beginning and 165.6 MB in the end (delta: -77.3 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 208.06 ms. Allocated memory is still 222.8 MB. Free memory was 165.6 MB in the beginning and 156.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3048.56 ms. Allocated memory was 222.8 MB in the beginning and 328.2 MB in the end (delta: 105.4 MB). Free memory was 156.9 MB in the beginning and 296.6 MB in the end (delta: -139.7 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 42133.32 ms. Allocated memory was 328.2 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 296.6 MB in the beginning and 214.3 MB in the end (delta: 82.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 2066]: 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 p14 = 0; [L22] char p14_old = '\x0'; [L23] char p14_new = '\x0'; [L24] _Bool ep14 = 0; [L25] port_t p21 = 0; [L26] char p21_old = '\x0'; [L27] char p21_new = '\x0'; [L28] _Bool ep21 = 0; [L29] port_t p23 = 0; [L30] char p23_old = '\x0'; [L31] char p23_new = '\x0'; [L32] _Bool ep23 = 0; [L33] port_t p24 = 0; [L34] char p24_old = '\x0'; [L35] char p24_new = '\x0'; [L36] _Bool ep24 = 0; [L37] port_t p31 = 0; [L38] char p31_old = '\x0'; [L39] char p31_new = '\x0'; [L40] _Bool ep31 = 0; [L41] port_t p32 = 0; [L42] char p32_old = '\x0'; [L43] char p32_new = '\x0'; [L44] _Bool ep32 = 0; [L45] port_t p34 = 0; [L46] char p34_old = '\x0'; [L47] char p34_new = '\x0'; [L48] _Bool ep34 = 0; [L49] port_t p41 = 0; [L50] char p41_old = '\x0'; [L51] char p41_new = '\x0'; [L52] _Bool ep41 = 0; [L53] port_t p42 = 0; [L54] char p42_old = '\x0'; [L55] char p42_new = '\x0'; [L56] _Bool ep42 = 0; [L57] port_t p43 = 0; [L58] char p43_old = '\x0'; [L59] char p43_new = '\x0'; [L60] _Bool ep43 = 0; [L61] char id1 = '\x0'; [L62] unsigned char r1 = '\x0'; [L63] char st1 = '\x0'; [L64] char nl1 = '\x0'; [L65] char m1 = '\x0'; [L66] char max1 = '\x0'; [L67] _Bool mode1 = 0; [L68] _Bool newmax1 = 0; [L69] char id2 = '\x0'; [L70] unsigned char r2 = '\x0'; [L71] char st2 = '\x0'; [L72] char nl2 = '\x0'; [L73] char m2 = '\x0'; [L74] char max2 = '\x0'; [L75] _Bool mode2 = 0; [L76] _Bool newmax2 = 0; [L77] char id3 = '\x0'; [L78] unsigned char r3 = '\x0'; [L79] char st3 = '\x0'; [L80] char nl3 = '\x0'; [L81] char m3 = '\x0'; [L82] char max3 = '\x0'; [L83] _Bool mode3 = 0; [L84] _Bool newmax3 = 0; [L85] char id4 = '\x0'; [L86] unsigned char r4 = '\x0'; [L87] char st4 = '\x0'; [L88] char nl4 = '\x0'; [L89] char m4 = '\x0'; [L90] char max4 = '\x0'; [L91] _Bool mode4 = 0; [L92] _Bool newmax4 = 0; [L97] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L101] int __return_4678; [L102] int __return_4920; [L103] int __return_5128; [L104] int __return_5348; [L105] int __return_5556; [L106] int __return_5776; [L107] int __return_5999; [L108] int __return_6200; [L111] int main__c1; [L112] int main__i2; [L113] main__c1 = 0 [L114] ep12 = __VERIFIER_nondet_bool() [L115] ep13 = __VERIFIER_nondet_bool() [L116] ep14 = __VERIFIER_nondet_bool() [L117] ep21 = __VERIFIER_nondet_bool() [L118] ep23 = __VERIFIER_nondet_bool() [L119] ep24 = __VERIFIER_nondet_bool() [L120] ep31 = __VERIFIER_nondet_bool() [L121] ep32 = __VERIFIER_nondet_bool() [L122] ep34 = __VERIFIER_nondet_bool() [L123] ep41 = __VERIFIER_nondet_bool() [L124] ep42 = __VERIFIER_nondet_bool() [L125] ep43 = __VERIFIER_nondet_bool() [L126] id1 = __VERIFIER_nondet_char() [L127] r1 = __VERIFIER_nondet_uchar() [L128] st1 = __VERIFIER_nondet_char() [L129] nl1 = __VERIFIER_nondet_char() [L130] m1 = __VERIFIER_nondet_char() [L131] max1 = __VERIFIER_nondet_char() [L132] mode1 = __VERIFIER_nondet_bool() [L133] newmax1 = __VERIFIER_nondet_bool() [L134] id2 = __VERIFIER_nondet_char() [L135] r2 = __VERIFIER_nondet_uchar() [L136] st2 = __VERIFIER_nondet_char() [L137] nl2 = __VERIFIER_nondet_char() [L138] m2 = __VERIFIER_nondet_char() [L139] max2 = __VERIFIER_nondet_char() [L140] mode2 = __VERIFIER_nondet_bool() [L141] newmax2 = __VERIFIER_nondet_bool() [L142] id3 = __VERIFIER_nondet_char() [L143] r3 = __VERIFIER_nondet_uchar() [L144] st3 = __VERIFIER_nondet_char() [L145] nl3 = __VERIFIER_nondet_char() [L146] m3 = __VERIFIER_nondet_char() [L147] max3 = __VERIFIER_nondet_char() [L148] mode3 = __VERIFIER_nondet_bool() [L149] newmax3 = __VERIFIER_nondet_bool() [L150] id4 = __VERIFIER_nondet_char() [L151] r4 = __VERIFIER_nondet_uchar() [L152] st4 = __VERIFIER_nondet_char() [L153] nl4 = __VERIFIER_nondet_char() [L154] m4 = __VERIFIER_nondet_char() [L155] max4 = __VERIFIER_nondet_char() [L156] mode4 = __VERIFIER_nondet_bool() [L157] newmax4 = __VERIFIER_nondet_bool() [L159] _Bool init__r121; [L160] _Bool init__r131; [L161] _Bool init__r141; [L162] _Bool init__r211; [L163] _Bool init__r231; [L164] _Bool init__r241; [L165] _Bool init__r311; [L166] _Bool init__r321; [L167] _Bool init__r341; [L168] _Bool init__r411; [L169] _Bool init__r421; [L170] _Bool init__r431; [L171] _Bool init__r122; [L172] int init__tmp; [L173] _Bool init__r132; [L174] int init__tmp___0; [L175] _Bool init__r142; [L176] int init__tmp___1; [L177] _Bool init__r212; [L178] int init__tmp___2; [L179] _Bool init__r232; [L180] int init__tmp___3; [L181] _Bool init__r242; [L182] int init__tmp___4; [L183] _Bool init__r312; [L184] int init__tmp___5; [L185] _Bool init__r322; [L186] int init__tmp___6; [L187] _Bool init__r342; [L188] int init__tmp___7; [L189] _Bool init__r412; [L190] int init__tmp___8; [L191] _Bool init__r422; [L192] int init__tmp___9; [L193] _Bool init__r432; [L194] int init__tmp___10; [L195] _Bool init__r123; [L196] int init__tmp___11; [L197] _Bool init__r133; [L198] int init__tmp___12; [L199] _Bool init__r143; [L200] int init__tmp___13; [L201] _Bool init__r213; [L202] int init__tmp___14; [L203] _Bool init__r233; [L204] int init__tmp___15; [L205] _Bool init__r243; [L206] int init__tmp___16; [L207] _Bool init__r313; [L208] int init__tmp___17; [L209] _Bool init__r323; [L210] int init__tmp___18; [L211] _Bool init__r343; [L212] int init__tmp___19; [L213] _Bool init__r413; [L214] int init__tmp___20; [L215] _Bool init__r423; [L216] int init__tmp___21; [L217] _Bool init__r433; [L218] int init__tmp___22; [L219] int init__tmp___23; [L220] init__r121 = ep12 [L221] init__r131 = ep13 [L222] init__r141 = ep14 [L223] init__r211 = ep21 [L224] init__r231 = ep23 [L225] init__r241 = ep24 [L226] init__r311 = ep31 [L227] init__r321 = ep32 [L228] init__r341 = ep34 [L229] init__r411 = ep41 [L230] init__r421 = ep42 [L231] init__r431 = ep43 [L232] COND TRUE !(init__r121 == 0) [L234] init__tmp = 1 [L236] init__r122 = (_Bool)init__tmp [L237] COND TRUE !(init__r131 == 0) [L239] init__tmp___0 = 1 [L241] init__r132 = (_Bool)init__tmp___0 [L242] COND TRUE !(init__r141 == 0) [L244] init__tmp___1 = 1 [L246] init__r142 = (_Bool)init__tmp___1 [L247] COND TRUE !(init__r211 == 0) [L249] init__tmp___2 = 1 [L251] init__r212 = (_Bool)init__tmp___2 [L252] COND TRUE !(init__r231 == 0) [L254] init__tmp___3 = 1 [L256] init__r232 = (_Bool)init__tmp___3 [L257] COND TRUE !(init__r241 == 0) [L259] init__tmp___4 = 1 [L261] init__r242 = (_Bool)init__tmp___4 [L262] COND TRUE !(init__r311 == 0) [L264] init__tmp___5 = 1 [L266] init__r312 = (_Bool)init__tmp___5 [L267] COND TRUE !(init__r321 == 0) [L269] init__tmp___6 = 1 [L271] init__r322 = (_Bool)init__tmp___6 [L272] COND TRUE !(init__r341 == 0) [L274] init__tmp___7 = 1 [L276] init__r342 = (_Bool)init__tmp___7 [L277] COND TRUE !(init__r411 == 0) [L279] init__tmp___8 = 1 [L281] init__r412 = (_Bool)init__tmp___8 [L282] COND TRUE !(init__r421 == 0) [L284] init__tmp___9 = 1 [L286] init__r422 = (_Bool)init__tmp___9 [L287] COND TRUE !(init__r431 == 0) [L289] init__tmp___10 = 1 [L291] init__r432 = (_Bool)init__tmp___10 [L292] COND TRUE !(init__r122 == 0) [L294] init__tmp___11 = 1 [L296] init__r123 = (_Bool)init__tmp___11 [L297] COND TRUE !(init__r132 == 0) [L299] init__tmp___12 = 1 [L301] init__r133 = (_Bool)init__tmp___12 [L302] COND TRUE !(init__r142 == 0) [L304] init__tmp___13 = 1 [L306] init__r143 = (_Bool)init__tmp___13 [L307] COND TRUE !(init__r212 == 0) [L309] init__tmp___14 = 1 [L311] init__r213 = (_Bool)init__tmp___14 [L312] COND TRUE !(init__r232 == 0) [L314] init__tmp___15 = 1 [L316] init__r233 = (_Bool)init__tmp___15 [L317] COND TRUE !(init__r242 == 0) [L319] init__tmp___16 = 1 [L321] init__r243 = (_Bool)init__tmp___16 [L322] COND TRUE !(init__r312 == 0) [L324] init__tmp___17 = 1 [L326] init__r313 = (_Bool)init__tmp___17 [L327] COND TRUE !(init__r322 == 0) [L329] init__tmp___18 = 1 [L331] init__r323 = (_Bool)init__tmp___18 [L332] COND TRUE !(init__r342 == 0) [L334] init__tmp___19 = 1 [L336] init__r343 = (_Bool)init__tmp___19 [L337] COND TRUE !(init__r412 == 0) [L339] init__tmp___20 = 1 [L341] init__r413 = (_Bool)init__tmp___20 [L342] COND TRUE !(init__r422 == 0) [L344] init__tmp___21 = 1 [L346] init__r423 = (_Bool)init__tmp___21 [L347] COND TRUE !(init__r432 == 0) [L349] init__tmp___22 = 1 [L351] init__r433 = (_Bool)init__tmp___22 [L352] COND TRUE ((int)id1) != ((int)id2) [L354] COND TRUE ((int)id1) != ((int)id3) [L356] COND TRUE ((int)id1) != ((int)id4) [L358] COND TRUE ((int)id2) != ((int)id3) [L360] COND TRUE ((int)id2) != ((int)id4) [L362] COND TRUE ((int)id3) != ((int)id4) [L364] COND TRUE ((int)id1) >= 0 [L366] COND TRUE ((int)id2) >= 0 [L368] COND TRUE ((int)id3) >= 0 [L370] COND TRUE ((int)id4) >= 0 [L372] COND TRUE ((int)r1) == 0 [L374] COND TRUE ((int)r2) == 0 [L376] COND TRUE ((int)r3) == 0 [L378] COND TRUE ((int)r4) == 0 [L380] COND TRUE !(init__r123 == 0) [L382] COND TRUE !(init__r133 == 0) [L384] COND TRUE !(init__r143 == 0) [L386] COND TRUE !(init__r213 == 0) [L388] COND TRUE !(init__r233 == 0) [L390] COND TRUE !(init__r243 == 0) [L392] COND TRUE !(init__r313 == 0) [L394] COND TRUE !(init__r323 == 0) [L396] COND TRUE !(init__r343 == 0) [L398] COND TRUE !(init__r413 == 0) [L400] COND TRUE !(init__r423 == 0) [L402] COND TRUE !(init__r433 == 0) [L404] COND TRUE ((int)max1) == ((int)id1) [L406] COND TRUE ((int)max2) == ((int)id2) [L408] COND TRUE ((int)max3) == ((int)id3) [L410] COND TRUE ((int)max4) == ((int)id4) [L412] COND TRUE ((int)st1) == 0 [L414] COND TRUE ((int)st2) == 0 [L416] COND TRUE ((int)st3) == 0 [L418] COND TRUE ((int)st4) == 0 [L420] COND TRUE ((int)nl1) == 0 [L422] COND TRUE ((int)nl2) == 0 [L424] COND TRUE ((int)nl3) == 0 [L426] COND TRUE ((int)nl4) == 0 [L428] COND TRUE ((int)mode1) == 0 [L430] COND TRUE ((int)mode2) == 0 [L432] COND TRUE ((int)mode3) == 0 [L434] COND TRUE ((int)mode4) == 0 [L436] COND TRUE !(newmax1 == 0) [L438] COND TRUE !(newmax2 == 0) [L440] COND TRUE !(newmax3 == 0) [L442] COND TRUE !(newmax4 == 0) [L444] init__tmp___23 = 1 [L445] __return_4678 = init__tmp___23 [L446] main__i2 = __return_4678 [L447] COND TRUE main__i2 != 0 [L449] p12_old = nomsg [L450] p12_new = nomsg [L451] p13_old = nomsg [L452] p13_new = nomsg [L453] p14_old = nomsg [L454] p14_new = nomsg [L455] p21_old = nomsg [L456] p21_new = nomsg [L457] p23_old = nomsg [L458] p23_new = nomsg [L459] p24_old = nomsg [L460] p24_new = nomsg [L461] p31_old = nomsg [L462] p31_new = nomsg [L463] p32_old = nomsg [L464] p32_new = nomsg [L465] p34_old = nomsg [L466] p34_new = nomsg [L467] p41_old = nomsg [L468] p41_new = nomsg [L469] p42_old = nomsg [L470] p42_new = nomsg [L471] p43_old = nomsg [L472] p43_new = nomsg [L473] main__i2 = 0 [L475] _Bool node1__newmax; [L476] node1__newmax = 0 [L477] COND FALSE !(!(mode1 == 0)) [L483] COND TRUE ((int)r1) < 3 [L485] COND FALSE !(!(ep12 == 0)) [L498] COND FALSE !(!(ep13 == 0)) [L511] COND FALSE !(!(ep14 == 0)) [L524] mode1 = 1 [L526] _Bool node2__newmax; [L527] node2__newmax = 0 [L528] COND FALSE !(!(mode2 == 0)) [L534] COND TRUE ((int)r2) < 3 [L536] COND FALSE !(!(ep21 == 0)) [L549] COND FALSE !(!(ep23 == 0)) [L562] COND FALSE !(!(ep24 == 0)) [L575] mode2 = 1 [L577] _Bool node3__newmax; [L578] node3__newmax = 0 [L579] COND FALSE !(!(mode3 == 0)) [L585] COND TRUE ((int)r3) < 3 [L587] COND FALSE !(!(ep31 == 0)) [L600] COND FALSE !(!(ep32 == 0)) [L613] COND FALSE !(!(ep34 == 0)) [L626] mode3 = 1 [L628] _Bool node4__newmax; [L629] node4__newmax = 0 [L630] COND FALSE !(!(mode4 == 0)) [L636] COND TRUE ((int)r4) < 3 [L638] COND FALSE !(!(ep41 == 0)) [L651] COND FALSE !(!(ep42 == 0)) [L664] COND FALSE !(!(ep43 == 0)) [L677] mode4 = 1 [L678] p12_old = p12_new [L679] p12_new = nomsg [L680] p13_old = p13_new [L681] p13_new = nomsg [L682] p14_old = p14_new [L683] p14_new = nomsg [L684] p21_old = p21_new [L685] p21_new = nomsg [L686] p23_old = p23_new [L687] p23_new = nomsg [L688] p24_old = p24_new [L689] p24_new = nomsg [L690] p31_old = p31_new [L691] p31_new = nomsg [L692] p32_old = p32_new [L693] p32_new = nomsg [L694] p34_old = p34_new [L695] p34_new = nomsg [L696] p41_old = p41_new [L697] p41_new = nomsg [L698] p42_old = p42_new [L699] p42_new = nomsg [L700] p43_old = p43_new [L701] p43_new = nomsg [L703] int check__tmp; [L704] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L706] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L708] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L710] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L712] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L714] COND FALSE !(((int)r1) >= 3) [L720] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L722] COND TRUE ((int)r1) < 3 [L724] COND FALSE !(((int)r1) >= 3) [L730] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L732] COND TRUE ((int)r1) < 3 [L734] check__tmp = 1 [L735] __return_4920 = check__tmp [L736] main__c1 = __return_4920 [L738] _Bool __tmp_1; [L739] __tmp_1 = main__c1 [L740] _Bool assert__arg; [L741] assert__arg = __tmp_1 [L742] COND FALSE !(assert__arg == 0) [L749] _Bool node1__newmax; [L750] node1__newmax = 0 [L751] COND TRUE !(mode1 == 0) [L753] COND FALSE !(r1 == 255) [L759] r1 = r1 + 1 [L760] COND FALSE !(!(ep21 == 0)) [L769] COND FALSE !(!(ep31 == 0)) [L778] COND FALSE !(!(ep41 == 0)) [L787] newmax1 = node1__newmax [L788] COND FALSE !(((int)r1) == 3) [L794] mode1 = 0 [L796] _Bool node2__newmax; [L797] node2__newmax = 0 [L798] COND TRUE !(mode2 == 0) [L800] COND FALSE !(r2 == 255) [L806] r2 = r2 + 1 [L807] COND FALSE !(!(ep12 == 0)) [L816] COND FALSE !(!(ep32 == 0)) [L825] COND FALSE !(!(ep42 == 0)) [L834] newmax2 = node2__newmax [L835] COND FALSE !(((int)r2) == 3) [L841] mode2 = 0 [L843] _Bool node3__newmax; [L844] node3__newmax = 0 [L845] COND TRUE !(mode3 == 0) [L847] COND FALSE !(r3 == 255) [L853] r3 = r3 + 1 [L854] COND FALSE !(!(ep13 == 0)) [L863] COND FALSE !(!(ep23 == 0)) [L872] COND FALSE !(!(ep43 == 0)) [L881] newmax3 = node3__newmax [L882] COND FALSE !(((int)r3) == 3) [L888] mode3 = 0 [L890] _Bool node4__newmax; [L891] node4__newmax = 0 [L892] COND TRUE !(mode4 == 0) [L894] COND FALSE !(r4 == 255) [L900] r4 = r4 + 1 [L901] COND FALSE !(!(ep14 == 0)) [L910] COND FALSE !(!(ep24 == 0)) [L919] COND FALSE !(!(ep34 == 0)) [L928] newmax4 = node4__newmax [L929] COND FALSE !(((int)r4) == 3) [L935] mode4 = 0 [L936] p12_old = p12_new [L937] p12_new = nomsg [L938] p13_old = p13_new [L939] p13_new = nomsg [L940] p14_old = p14_new [L941] p14_new = nomsg [L942] p21_old = p21_new [L943] p21_new = nomsg [L944] p23_old = p23_new [L945] p23_new = nomsg [L946] p24_old = p24_new [L947] p24_new = nomsg [L948] p31_old = p31_new [L949] p31_new = nomsg [L950] p32_old = p32_new [L951] p32_new = nomsg [L952] p34_old = p34_new [L953] p34_new = nomsg [L954] p41_old = p41_new [L955] p41_new = nomsg [L956] p42_old = p42_new [L957] p42_new = nomsg [L958] p43_old = p43_new [L959] p43_new = nomsg [L961] int check__tmp; [L962] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L964] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L966] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L968] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L970] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L972] COND FALSE !(((int)r1) >= 3) [L978] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L980] COND TRUE ((int)r1) < 3 [L982] COND FALSE !(((int)r1) >= 3) [L988] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L990] COND TRUE ((int)r1) < 3 [L992] check__tmp = 1 [L993] __return_5128 = check__tmp [L994] main__c1 = __return_5128 [L996] _Bool __tmp_2; [L997] __tmp_2 = main__c1 [L998] _Bool assert__arg; [L999] assert__arg = __tmp_2 [L1000] COND FALSE !(assert__arg == 0) [L1007] _Bool node1__newmax; [L1008] node1__newmax = 0 [L1009] COND FALSE !(!(mode1 == 0)) [L1015] COND TRUE ((int)r1) < 3 [L1017] COND FALSE !(!(ep12 == 0)) [L1030] COND FALSE !(!(ep13 == 0)) [L1043] COND FALSE !(!(ep14 == 0)) [L1056] mode1 = 1 [L1058] _Bool node2__newmax; [L1059] node2__newmax = 0 [L1060] COND FALSE !(!(mode2 == 0)) [L1066] COND TRUE ((int)r2) < 3 [L1068] COND FALSE !(!(ep21 == 0)) [L1081] COND FALSE !(!(ep23 == 0)) [L1094] COND FALSE !(!(ep24 == 0)) [L1107] mode2 = 1 [L1109] _Bool node3__newmax; [L1110] node3__newmax = 0 [L1111] COND FALSE !(!(mode3 == 0)) [L1117] COND TRUE ((int)r3) < 3 [L1119] COND FALSE !(!(ep31 == 0)) [L1132] COND FALSE !(!(ep32 == 0)) [L1145] COND FALSE !(!(ep34 == 0)) [L1158] mode3 = 1 [L1160] _Bool node4__newmax; [L1161] node4__newmax = 0 [L1162] COND FALSE !(!(mode4 == 0)) [L1168] COND TRUE ((int)r4) < 3 [L1170] COND FALSE !(!(ep41 == 0)) [L1183] COND FALSE !(!(ep42 == 0)) [L1196] COND FALSE !(!(ep43 == 0)) [L1209] mode4 = 1 [L1210] p12_old = p12_new [L1211] p12_new = nomsg [L1212] p13_old = p13_new [L1213] p13_new = nomsg [L1214] p14_old = p14_new [L1215] p14_new = nomsg [L1216] p21_old = p21_new [L1217] p21_new = nomsg [L1218] p23_old = p23_new [L1219] p23_new = nomsg [L1220] p24_old = p24_new [L1221] p24_new = nomsg [L1222] p31_old = p31_new [L1223] p31_new = nomsg [L1224] p32_old = p32_new [L1225] p32_new = nomsg [L1226] p34_old = p34_new [L1227] p34_new = nomsg [L1228] p41_old = p41_new [L1229] p41_new = nomsg [L1230] p42_old = p42_new [L1231] p42_new = nomsg [L1232] p43_old = p43_new [L1233] p43_new = nomsg [L1235] int check__tmp; [L1236] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1238] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1240] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1242] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1244] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1246] COND FALSE !(((int)r1) >= 3) [L1252] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1254] COND TRUE ((int)r1) < 3 [L1256] COND FALSE !(((int)r1) >= 3) [L1262] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1264] COND TRUE ((int)r1) < 3 [L1266] check__tmp = 1 [L1267] __return_5348 = check__tmp [L1268] main__c1 = __return_5348 [L1270] _Bool __tmp_3; [L1271] __tmp_3 = main__c1 [L1272] _Bool assert__arg; [L1273] assert__arg = __tmp_3 [L1274] COND FALSE !(assert__arg == 0) [L1281] _Bool node1__newmax; [L1282] node1__newmax = 0 [L1283] COND TRUE !(mode1 == 0) [L1285] COND FALSE !(r1 == 255) [L1291] r1 = r1 + 1 [L1292] COND FALSE !(!(ep21 == 0)) [L1301] COND FALSE !(!(ep31 == 0)) [L1310] COND FALSE !(!(ep41 == 0)) [L1319] newmax1 = node1__newmax [L1320] COND FALSE !(((int)r1) == 3) [L1326] mode1 = 0 [L1328] _Bool node2__newmax; [L1329] node2__newmax = 0 [L1330] COND TRUE !(mode2 == 0) [L1332] COND FALSE !(r2 == 255) [L1338] r2 = r2 + 1 [L1339] COND FALSE !(!(ep12 == 0)) [L1348] COND FALSE !(!(ep32 == 0)) [L1357] COND FALSE !(!(ep42 == 0)) [L1366] newmax2 = node2__newmax [L1367] COND FALSE !(((int)r2) == 3) [L1373] mode2 = 0 [L1375] _Bool node3__newmax; [L1376] node3__newmax = 0 [L1377] COND TRUE !(mode3 == 0) [L1379] COND FALSE !(r3 == 255) [L1385] r3 = r3 + 1 [L1386] COND FALSE !(!(ep13 == 0)) [L1395] COND FALSE !(!(ep23 == 0)) [L1404] COND FALSE !(!(ep43 == 0)) [L1413] newmax3 = node3__newmax [L1414] COND FALSE !(((int)r3) == 3) [L1420] mode3 = 0 [L1422] _Bool node4__newmax; [L1423] node4__newmax = 0 [L1424] COND TRUE !(mode4 == 0) [L1426] COND FALSE !(r4 == 255) [L1432] r4 = r4 + 1 [L1433] COND FALSE !(!(ep14 == 0)) [L1442] COND FALSE !(!(ep24 == 0)) [L1451] COND FALSE !(!(ep34 == 0)) [L1460] newmax4 = node4__newmax [L1461] COND FALSE !(((int)r4) == 3) [L1467] mode4 = 0 [L1468] p12_old = p12_new [L1469] p12_new = nomsg [L1470] p13_old = p13_new [L1471] p13_new = nomsg [L1472] p14_old = p14_new [L1473] p14_new = nomsg [L1474] p21_old = p21_new [L1475] p21_new = nomsg [L1476] p23_old = p23_new [L1477] p23_new = nomsg [L1478] p24_old = p24_new [L1479] p24_new = nomsg [L1480] p31_old = p31_new [L1481] p31_new = nomsg [L1482] p32_old = p32_new [L1483] p32_new = nomsg [L1484] p34_old = p34_new [L1485] p34_new = nomsg [L1486] p41_old = p41_new [L1487] p41_new = nomsg [L1488] p42_old = p42_new [L1489] p42_new = nomsg [L1490] p43_old = p43_new [L1491] p43_new = nomsg [L1493] int check__tmp; [L1494] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1496] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1498] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1500] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1502] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1504] COND FALSE !(((int)r1) >= 3) [L1510] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1512] COND TRUE ((int)r1) < 3 [L1514] COND FALSE !(((int)r1) >= 3) [L1520] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1522] COND TRUE ((int)r1) < 3 [L1524] check__tmp = 1 [L1525] __return_5556 = check__tmp [L1526] main__c1 = __return_5556 [L1528] _Bool __tmp_4; [L1529] __tmp_4 = main__c1 [L1530] _Bool assert__arg; [L1531] assert__arg = __tmp_4 [L1532] COND FALSE !(assert__arg == 0) [L1539] _Bool node1__newmax; [L1540] node1__newmax = 0 [L1541] COND FALSE !(!(mode1 == 0)) [L1547] COND TRUE ((int)r1) < 3 [L1549] COND FALSE !(!(ep12 == 0)) [L1562] COND FALSE !(!(ep13 == 0)) [L1575] COND FALSE !(!(ep14 == 0)) [L1588] mode1 = 1 [L1590] _Bool node2__newmax; [L1591] node2__newmax = 0 [L1592] COND FALSE !(!(mode2 == 0)) [L1598] COND TRUE ((int)r2) < 3 [L1600] COND FALSE !(!(ep21 == 0)) [L1613] COND FALSE !(!(ep23 == 0)) [L1626] COND FALSE !(!(ep24 == 0)) [L1639] mode2 = 1 [L1641] _Bool node3__newmax; [L1642] node3__newmax = 0 [L1643] COND FALSE !(!(mode3 == 0)) [L1649] COND TRUE ((int)r3) < 3 [L1651] COND FALSE !(!(ep31 == 0)) [L1664] COND FALSE !(!(ep32 == 0)) [L1677] COND FALSE !(!(ep34 == 0)) [L1690] mode3 = 1 [L1692] _Bool node4__newmax; [L1693] node4__newmax = 0 [L1694] COND FALSE !(!(mode4 == 0)) [L1700] COND TRUE ((int)r4) < 3 [L1702] COND FALSE !(!(ep41 == 0)) [L1715] COND FALSE !(!(ep42 == 0)) [L1728] COND FALSE !(!(ep43 == 0)) [L1741] mode4 = 1 [L1742] p12_old = p12_new [L1743] p12_new = nomsg [L1744] p13_old = p13_new [L1745] p13_new = nomsg [L1746] p14_old = p14_new [L1747] p14_new = nomsg [L1748] p21_old = p21_new [L1749] p21_new = nomsg [L1750] p23_old = p23_new [L1751] p23_new = nomsg [L1752] p24_old = p24_new [L1753] p24_new = nomsg [L1754] p31_old = p31_new [L1755] p31_new = nomsg [L1756] p32_old = p32_new [L1757] p32_new = nomsg [L1758] p34_old = p34_new [L1759] p34_new = nomsg [L1760] p41_old = p41_new [L1761] p41_new = nomsg [L1762] p42_old = p42_new [L1763] p42_new = nomsg [L1764] p43_old = p43_new [L1765] p43_new = nomsg [L1767] int check__tmp; [L1768] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1770] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1772] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1774] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1776] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1778] COND FALSE !(((int)r1) >= 3) [L1784] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1786] COND TRUE ((int)r1) < 3 [L1788] COND FALSE !(((int)r1) >= 3) [L1794] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1796] COND TRUE ((int)r1) < 3 [L1798] check__tmp = 1 [L1799] __return_5776 = check__tmp [L1800] main__c1 = __return_5776 [L1802] _Bool __tmp_5; [L1803] __tmp_5 = main__c1 [L1804] _Bool assert__arg; [L1805] assert__arg = __tmp_5 [L1806] COND FALSE !(assert__arg == 0) [L1813] _Bool node1__newmax; [L1814] node1__newmax = 0 [L1815] COND TRUE !(mode1 == 0) [L1817] COND FALSE !(r1 == 255) [L1823] r1 = r1 + 1 [L1824] COND FALSE !(!(ep21 == 0)) [L1833] COND FALSE !(!(ep31 == 0)) [L1842] COND FALSE !(!(ep41 == 0)) [L1851] newmax1 = node1__newmax [L1852] COND TRUE ((int)r1) == 3 [L1854] COND FALSE !(((int)max1) == ((int)id1)) [L3274] st1 = 1 [L1858] mode1 = 0 [L1860] _Bool node2__newmax; [L1861] node2__newmax = 0 [L1862] COND TRUE !(mode2 == 0) [L1864] COND FALSE !(r2 == 255) [L1870] r2 = r2 + 1 [L1871] COND FALSE !(!(ep12 == 0)) [L1880] COND FALSE !(!(ep32 == 0)) [L1889] COND FALSE !(!(ep42 == 0)) [L1898] newmax2 = node2__newmax [L1899] COND TRUE ((int)r2) == 3 [L1901] COND TRUE ((int)max2) == ((int)id2) [L1903] st2 = 1 [L1905] mode2 = 0 [L1907] _Bool node3__newmax; [L1908] node3__newmax = 0 [L1909] COND TRUE !(mode3 == 0) [L1911] COND FALSE !(r3 == 255) [L1917] r3 = r3 + 1 [L1918] COND FALSE !(!(ep13 == 0)) [L1927] COND FALSE !(!(ep23 == 0)) [L1936] COND FALSE !(!(ep43 == 0)) [L1945] newmax3 = node3__newmax [L1946] COND TRUE ((int)r3) == 3 [L1948] COND TRUE ((int)max3) == ((int)id3) [L1950] st3 = 1 [L1952] mode3 = 0 [L1954] _Bool node4__newmax; [L1955] node4__newmax = 0 [L1956] COND TRUE !(mode4 == 0) [L1958] COND FALSE !(r4 == 255) [L1964] r4 = r4 + 1 [L1965] COND FALSE !(!(ep14 == 0)) [L1974] COND FALSE !(!(ep24 == 0)) [L1983] COND FALSE !(!(ep34 == 0)) [L1992] newmax4 = node4__newmax [L1993] COND TRUE ((int)r4) == 3 [L1995] COND FALSE !(((int)max4) == ((int)id4)) [L3130] nl4 = 1 [L1999] mode4 = 0 [L2000] p12_old = p12_new [L2001] p12_new = nomsg [L2002] p13_old = p13_new [L2003] p13_new = nomsg [L2004] p14_old = p14_new [L2005] p14_new = nomsg [L2006] p21_old = p21_new [L2007] p21_new = nomsg [L2008] p23_old = p23_new [L2009] p23_new = nomsg [L2010] p24_old = p24_new [L2011] p24_new = nomsg [L2012] p31_old = p31_new [L2013] p31_new = nomsg [L2014] p32_old = p32_new [L2015] p32_new = nomsg [L2016] p34_old = p34_new [L2017] p34_new = nomsg [L2018] p41_old = p41_new [L2019] p41_new = nomsg [L2020] p42_old = p42_new [L2021] p42_new = nomsg [L2022] p43_old = p43_new [L2023] p43_new = nomsg [L2025] int check__tmp; [L2026] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L3123] check__tmp = 0 [L2056] __return_5999 = check__tmp [L2057] main__c1 = __return_5999 [L2060] _Bool __tmp_6; [L2061] __tmp_6 = main__c1 [L2062] _Bool assert__arg; [L2063] assert__arg = __tmp_6 [L2064] COND TRUE assert__arg == 0 [L2066] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...