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.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:23:09,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:23:09,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:23:09,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:23:09,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:23:09,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:23:09,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:23:09,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:23:09,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:23:09,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:23:09,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:23:09,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:23:09,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:23:09,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:23:09,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:23:09,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:23:09,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:23:09,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:23:09,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:23:09,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:23:09,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:23:09,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:23:09,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:23:09,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:23:09,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:23:09,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:23:09,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:23:09,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:23:09,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:23:09,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:23:09,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:23:09,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:23:09,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:23:09,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:23:09,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:23:09,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:23:09,165 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 17:23:09,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:23:09,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:23:09,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:23:09,190 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:23:09,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:23:09,194 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:23:09,194 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:23:09,194 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:23:09,194 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:23:09,195 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:23:09,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:23:09,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:23:09,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:23:09,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:23:09,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:23:09,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:23:09,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:23:09,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:23:09,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:23:09,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:23:09,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:23:09,200 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:23:09,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:23:09,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:23:09,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:23:09,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:23:09,202 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:23:09,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:23:09,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:23:09,202 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:23:09,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:23:09,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:23:09,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:23:09,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:23:09,272 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:23:09,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:23:09,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77fec70f/7445247712d64f419ada58a2dea7645b/FLAG225f169ee [2019-09-11 17:23:10,001 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:23:10,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:23:10,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77fec70f/7445247712d64f419ada58a2dea7645b/FLAG225f169ee [2019-09-11 17:23:10,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77fec70f/7445247712d64f419ada58a2dea7645b [2019-09-11 17:23:10,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:23:10,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:23:10,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:23:10,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:23:10,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:23:10,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:23:10" (1/1) ... [2019-09-11 17:23:10,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c3f56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:10, skipping insertion in model container [2019-09-11 17:23:10,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:23:10" (1/1) ... [2019-09-11 17:23:10,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:23:10,377 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:23:11,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:23:11,294 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:23:11,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:23:11,880 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:23:11,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11 WrapperNode [2019-09-11 17:23:11,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:23:11,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:23:11,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:23:11,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:23:11,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:11,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:11,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:11,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:11,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:12,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:12,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (1/1) ... [2019-09-11 17:23:12,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:23:12,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:23:12,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:23:12,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:23:12,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:23:11" (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 17:23:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:23:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:23:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:23:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:23:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:23:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:23:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:23:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:23:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:23:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:23:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:23:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:23:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:23:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:23:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:23:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:23:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:23:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:23:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:23:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:23:14,797 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:23:14,797 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:23:14,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:23:14 BoogieIcfgContainer [2019-09-11 17:23:14,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:23:14,802 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:23:14,802 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:23:14,803 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:23:14,804 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:23:14" (1/1) ... [2019-09-11 17:23:14,851 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:23:15,078 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:23:48,041 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:23:48,125 INFO L272 AbstractInterpreter]: Visited 1119 different actions 48544 times. Merged at 731 different actions 26304 times. Widened at 227 different actions 3011 times. Performed 140804 root evaluator evaluations with a maximum evaluation depth of 6. Performed 140804 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14754 fixpoints after 512 different actions. Largest state had 365 variables. [2019-09-11 17:23:48,125 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:23:48,128 INFO L168 Benchmark]: Toolchain (without parser) took 37913.19 ms. Allocated memory was 140.0 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 87.2 MB in the beginning and 1.0 GB in the end (delta: -946.3 MB). Peak memory consumption was 362.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:48,129 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:23:48,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1666.19 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 87.0 MB in the beginning and 146.1 MB in the end (delta: -59.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:48,131 INFO L168 Benchmark]: Boogie Preprocessor took 154.57 ms. Allocated memory is still 201.9 MB. Free memory was 146.1 MB in the beginning and 139.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:48,133 INFO L168 Benchmark]: RCFGBuilder took 2763.03 ms. Allocated memory was 201.9 MB in the beginning and 259.0 MB in the end (delta: 57.1 MB). Free memory was 138.8 MB in the beginning and 135.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:48,134 INFO L168 Benchmark]: Abstract Interpretation took 33323.12 ms. Allocated memory was 259.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 135.5 MB in the beginning and 1.0 GB in the end (delta: -898.0 MB). Peak memory consumption was 292.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:23:48,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1666.19 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 87.0 MB in the beginning and 146.1 MB in the end (delta: -59.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.57 ms. Allocated memory is still 201.9 MB. Free memory was 146.1 MB in the beginning and 139.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2763.03 ms. Allocated memory was 201.9 MB in the beginning and 259.0 MB in the end (delta: 57.1 MB). Free memory was 138.8 MB in the beginning and 135.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 33323.12 ms. Allocated memory was 259.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 135.5 MB in the beginning and 1.0 GB in the end (delta: -898.0 MB). Peak memory consumption was 292.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1536]: 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_3075; [L102] int __return_3317; [L103] int __return_3525; [L104] int __return_3745; [L105] int __return_3954; [L106] int __return_4155; [L109] int main__c1; [L110] int main__i2; [L111] main__c1 = 0 [L112] ep12 = __VERIFIER_nondet_bool() [L113] ep13 = __VERIFIER_nondet_bool() [L114] ep14 = __VERIFIER_nondet_bool() [L115] ep21 = __VERIFIER_nondet_bool() [L116] ep23 = __VERIFIER_nondet_bool() [L117] ep24 = __VERIFIER_nondet_bool() [L118] ep31 = __VERIFIER_nondet_bool() [L119] ep32 = __VERIFIER_nondet_bool() [L120] ep34 = __VERIFIER_nondet_bool() [L121] ep41 = __VERIFIER_nondet_bool() [L122] ep42 = __VERIFIER_nondet_bool() [L123] ep43 = __VERIFIER_nondet_bool() [L124] id1 = __VERIFIER_nondet_char() [L125] r1 = __VERIFIER_nondet_uchar() [L126] st1 = __VERIFIER_nondet_char() [L127] nl1 = __VERIFIER_nondet_char() [L128] m1 = __VERIFIER_nondet_char() [L129] max1 = __VERIFIER_nondet_char() [L130] mode1 = __VERIFIER_nondet_bool() [L131] newmax1 = __VERIFIER_nondet_bool() [L132] id2 = __VERIFIER_nondet_char() [L133] r2 = __VERIFIER_nondet_uchar() [L134] st2 = __VERIFIER_nondet_char() [L135] nl2 = __VERIFIER_nondet_char() [L136] m2 = __VERIFIER_nondet_char() [L137] max2 = __VERIFIER_nondet_char() [L138] mode2 = __VERIFIER_nondet_bool() [L139] newmax2 = __VERIFIER_nondet_bool() [L140] id3 = __VERIFIER_nondet_char() [L141] r3 = __VERIFIER_nondet_uchar() [L142] st3 = __VERIFIER_nondet_char() [L143] nl3 = __VERIFIER_nondet_char() [L144] m3 = __VERIFIER_nondet_char() [L145] max3 = __VERIFIER_nondet_char() [L146] mode3 = __VERIFIER_nondet_bool() [L147] newmax3 = __VERIFIER_nondet_bool() [L148] id4 = __VERIFIER_nondet_char() [L149] r4 = __VERIFIER_nondet_uchar() [L150] st4 = __VERIFIER_nondet_char() [L151] nl4 = __VERIFIER_nondet_char() [L152] m4 = __VERIFIER_nondet_char() [L153] max4 = __VERIFIER_nondet_char() [L154] mode4 = __VERIFIER_nondet_bool() [L155] newmax4 = __VERIFIER_nondet_bool() [L157] _Bool init__r121; [L158] _Bool init__r131; [L159] _Bool init__r141; [L160] _Bool init__r211; [L161] _Bool init__r231; [L162] _Bool init__r241; [L163] _Bool init__r311; [L164] _Bool init__r321; [L165] _Bool init__r341; [L166] _Bool init__r411; [L167] _Bool init__r421; [L168] _Bool init__r431; [L169] _Bool init__r122; [L170] int init__tmp; [L171] _Bool init__r132; [L172] int init__tmp___0; [L173] _Bool init__r142; [L174] int init__tmp___1; [L175] _Bool init__r212; [L176] int init__tmp___2; [L177] _Bool init__r232; [L178] int init__tmp___3; [L179] _Bool init__r242; [L180] int init__tmp___4; [L181] _Bool init__r312; [L182] int init__tmp___5; [L183] _Bool init__r322; [L184] int init__tmp___6; [L185] _Bool init__r342; [L186] int init__tmp___7; [L187] _Bool init__r412; [L188] int init__tmp___8; [L189] _Bool init__r422; [L190] int init__tmp___9; [L191] _Bool init__r432; [L192] int init__tmp___10; [L193] _Bool init__r123; [L194] int init__tmp___11; [L195] _Bool init__r133; [L196] int init__tmp___12; [L197] _Bool init__r143; [L198] int init__tmp___13; [L199] _Bool init__r213; [L200] int init__tmp___14; [L201] _Bool init__r233; [L202] int init__tmp___15; [L203] _Bool init__r243; [L204] int init__tmp___16; [L205] _Bool init__r313; [L206] int init__tmp___17; [L207] _Bool init__r323; [L208] int init__tmp___18; [L209] _Bool init__r343; [L210] int init__tmp___19; [L211] _Bool init__r413; [L212] int init__tmp___20; [L213] _Bool init__r423; [L214] int init__tmp___21; [L215] _Bool init__r433; [L216] int init__tmp___22; [L217] int init__tmp___23; [L218] init__r121 = ep12 [L219] init__r131 = ep13 [L220] init__r141 = ep14 [L221] init__r211 = ep21 [L222] init__r231 = ep23 [L223] init__r241 = ep24 [L224] init__r311 = ep31 [L225] init__r321 = ep32 [L226] init__r341 = ep34 [L227] init__r411 = ep41 [L228] init__r421 = ep42 [L229] init__r431 = ep43 [L230] COND TRUE !(init__r121 == 0) [L232] init__tmp = 1 [L234] init__r122 = (_Bool)init__tmp [L235] COND TRUE !(init__r131 == 0) [L237] init__tmp___0 = 1 [L239] init__r132 = (_Bool)init__tmp___0 [L240] COND TRUE !(init__r141 == 0) [L242] init__tmp___1 = 1 [L244] init__r142 = (_Bool)init__tmp___1 [L245] COND TRUE !(init__r211 == 0) [L247] init__tmp___2 = 1 [L249] init__r212 = (_Bool)init__tmp___2 [L250] COND TRUE !(init__r231 == 0) [L252] init__tmp___3 = 1 [L254] init__r232 = (_Bool)init__tmp___3 [L255] COND TRUE !(init__r241 == 0) [L257] init__tmp___4 = 1 [L259] init__r242 = (_Bool)init__tmp___4 [L260] COND TRUE !(init__r311 == 0) [L262] init__tmp___5 = 1 [L264] init__r312 = (_Bool)init__tmp___5 [L265] COND TRUE !(init__r321 == 0) [L267] init__tmp___6 = 1 [L269] init__r322 = (_Bool)init__tmp___6 [L270] COND TRUE !(init__r341 == 0) [L272] init__tmp___7 = 1 [L274] init__r342 = (_Bool)init__tmp___7 [L275] COND TRUE !(init__r411 == 0) [L277] init__tmp___8 = 1 [L279] init__r412 = (_Bool)init__tmp___8 [L280] COND TRUE !(init__r421 == 0) [L282] init__tmp___9 = 1 [L284] init__r422 = (_Bool)init__tmp___9 [L285] COND TRUE !(init__r431 == 0) [L287] init__tmp___10 = 1 [L289] init__r432 = (_Bool)init__tmp___10 [L290] COND TRUE !(init__r122 == 0) [L292] init__tmp___11 = 1 [L294] init__r123 = (_Bool)init__tmp___11 [L295] COND TRUE !(init__r132 == 0) [L297] init__tmp___12 = 1 [L299] init__r133 = (_Bool)init__tmp___12 [L300] COND TRUE !(init__r142 == 0) [L302] init__tmp___13 = 1 [L304] init__r143 = (_Bool)init__tmp___13 [L305] COND TRUE !(init__r212 == 0) [L307] init__tmp___14 = 1 [L309] init__r213 = (_Bool)init__tmp___14 [L310] COND TRUE !(init__r232 == 0) [L312] init__tmp___15 = 1 [L314] init__r233 = (_Bool)init__tmp___15 [L315] COND TRUE !(init__r242 == 0) [L317] init__tmp___16 = 1 [L319] init__r243 = (_Bool)init__tmp___16 [L320] COND TRUE !(init__r312 == 0) [L322] init__tmp___17 = 1 [L324] init__r313 = (_Bool)init__tmp___17 [L325] COND TRUE !(init__r322 == 0) [L327] init__tmp___18 = 1 [L329] init__r323 = (_Bool)init__tmp___18 [L330] COND TRUE !(init__r342 == 0) [L332] init__tmp___19 = 1 [L334] init__r343 = (_Bool)init__tmp___19 [L335] COND TRUE !(init__r412 == 0) [L337] init__tmp___20 = 1 [L339] init__r413 = (_Bool)init__tmp___20 [L340] COND TRUE !(init__r422 == 0) [L342] init__tmp___21 = 1 [L344] init__r423 = (_Bool)init__tmp___21 [L345] COND TRUE !(init__r432 == 0) [L347] init__tmp___22 = 1 [L349] init__r433 = (_Bool)init__tmp___22 [L350] COND TRUE ((int)id1) != ((int)id2) [L352] COND TRUE ((int)id1) != ((int)id3) [L354] COND TRUE ((int)id1) != ((int)id4) [L356] COND TRUE ((int)id2) != ((int)id3) [L358] COND TRUE ((int)id2) != ((int)id4) [L360] COND TRUE ((int)id3) != ((int)id4) [L362] COND TRUE ((int)id1) >= 0 [L364] COND TRUE ((int)id2) >= 0 [L366] COND TRUE ((int)id3) >= 0 [L368] COND TRUE ((int)id4) >= 0 [L370] COND TRUE ((int)r1) == 0 [L372] COND TRUE ((int)r2) == 0 [L374] COND TRUE ((int)r3) == 0 [L376] COND TRUE ((int)r4) == 0 [L378] COND TRUE !(init__r123 == 0) [L380] COND TRUE !(init__r133 == 0) [L382] COND TRUE !(init__r143 == 0) [L384] COND TRUE !(init__r213 == 0) [L386] COND TRUE !(init__r233 == 0) [L388] COND TRUE !(init__r243 == 0) [L390] COND TRUE !(init__r313 == 0) [L392] COND TRUE !(init__r323 == 0) [L394] COND TRUE !(init__r343 == 0) [L396] COND TRUE !(init__r413 == 0) [L398] COND TRUE !(init__r423 == 0) [L400] COND TRUE !(init__r433 == 0) [L402] COND TRUE ((int)max1) == ((int)id1) [L404] COND TRUE ((int)max2) == ((int)id2) [L406] COND TRUE ((int)max3) == ((int)id3) [L408] COND TRUE ((int)max4) == ((int)id4) [L410] COND TRUE ((int)st1) == 0 [L412] COND TRUE ((int)st2) == 0 [L414] COND TRUE ((int)st3) == 0 [L416] COND TRUE ((int)st4) == 0 [L418] COND TRUE ((int)nl1) == 0 [L420] COND TRUE ((int)nl2) == 0 [L422] COND TRUE ((int)nl3) == 0 [L424] COND TRUE ((int)nl4) == 0 [L426] COND TRUE ((int)mode1) == 0 [L428] COND TRUE ((int)mode2) == 0 [L430] COND TRUE ((int)mode3) == 0 [L432] COND TRUE ((int)mode4) == 0 [L434] COND TRUE !(newmax1 == 0) [L436] COND TRUE !(newmax2 == 0) [L438] COND TRUE !(newmax3 == 0) [L440] COND TRUE !(newmax4 == 0) [L442] init__tmp___23 = 1 [L443] __return_3075 = init__tmp___23 [L444] main__i2 = __return_3075 [L445] COND TRUE main__i2 != 0 [L447] p12_old = nomsg [L448] p12_new = nomsg [L449] p13_old = nomsg [L450] p13_new = nomsg [L451] p14_old = nomsg [L452] p14_new = nomsg [L453] p21_old = nomsg [L454] p21_new = nomsg [L455] p23_old = nomsg [L456] p23_new = nomsg [L457] p24_old = nomsg [L458] p24_new = nomsg [L459] p31_old = nomsg [L460] p31_new = nomsg [L461] p32_old = nomsg [L462] p32_new = nomsg [L463] p34_old = nomsg [L464] p34_new = nomsg [L465] p41_old = nomsg [L466] p41_new = nomsg [L467] p42_old = nomsg [L468] p42_new = nomsg [L469] p43_old = nomsg [L470] p43_new = nomsg [L471] main__i2 = 0 [L473] _Bool node1__newmax; [L474] node1__newmax = 0 [L475] COND FALSE !(!(mode1 == 0)) [L481] COND TRUE ((int)r1) < 3 [L483] COND FALSE !(!(ep12 == 0)) [L496] COND FALSE !(!(ep13 == 0)) [L509] COND FALSE !(!(ep14 == 0)) [L522] mode1 = 1 [L524] _Bool node2__newmax; [L525] node2__newmax = 0 [L526] COND FALSE !(!(mode2 == 0)) [L532] COND TRUE ((int)r2) < 3 [L534] COND FALSE !(!(ep21 == 0)) [L547] COND FALSE !(!(ep23 == 0)) [L560] COND FALSE !(!(ep24 == 0)) [L573] mode2 = 1 [L575] _Bool node3__newmax; [L576] node3__newmax = 0 [L577] COND FALSE !(!(mode3 == 0)) [L583] COND TRUE ((int)r3) < 3 [L585] COND FALSE !(!(ep31 == 0)) [L598] COND FALSE !(!(ep32 == 0)) [L611] COND FALSE !(!(ep34 == 0)) [L624] mode3 = 1 [L626] _Bool node4__newmax; [L627] node4__newmax = 0 [L628] COND FALSE !(!(mode4 == 0)) [L634] COND TRUE ((int)r4) < 3 [L636] COND FALSE !(!(ep41 == 0)) [L649] COND FALSE !(!(ep42 == 0)) [L662] COND FALSE !(!(ep43 == 0)) [L675] mode4 = 1 [L676] p12_old = p12_new [L677] p12_new = nomsg [L678] p13_old = p13_new [L679] p13_new = nomsg [L680] p14_old = p14_new [L681] p14_new = nomsg [L682] p21_old = p21_new [L683] p21_new = nomsg [L684] p23_old = p23_new [L685] p23_new = nomsg [L686] p24_old = p24_new [L687] p24_new = nomsg [L688] p31_old = p31_new [L689] p31_new = nomsg [L690] p32_old = p32_new [L691] p32_new = nomsg [L692] p34_old = p34_new [L693] p34_new = nomsg [L694] p41_old = p41_new [L695] p41_new = nomsg [L696] p42_old = p42_new [L697] p42_new = nomsg [L698] p43_old = p43_new [L699] p43_new = nomsg [L701] int check__tmp; [L702] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L704] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L706] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L708] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L710] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L712] COND FALSE !(((int)r1) >= 3) [L718] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L720] COND TRUE ((int)r1) < 3 [L722] COND FALSE !(((int)r1) >= 3) [L728] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L730] COND TRUE ((int)r1) < 3 [L732] check__tmp = 1 [L733] __return_3317 = check__tmp [L734] main__c1 = __return_3317 [L736] _Bool __tmp_1; [L737] __tmp_1 = main__c1 [L738] _Bool assert__arg; [L739] assert__arg = __tmp_1 [L740] COND FALSE !(assert__arg == 0) [L747] _Bool node1__newmax; [L748] node1__newmax = 0 [L749] COND TRUE !(mode1 == 0) [L751] COND FALSE !(r1 == 255) [L757] r1 = r1 + 1 [L758] COND FALSE !(!(ep21 == 0)) [L767] COND FALSE !(!(ep31 == 0)) [L776] COND FALSE !(!(ep41 == 0)) [L785] newmax1 = node1__newmax [L786] COND FALSE !(((int)r1) == 2) [L792] mode1 = 0 [L794] _Bool node2__newmax; [L795] node2__newmax = 0 [L796] COND TRUE !(mode2 == 0) [L798] COND FALSE !(r2 == 255) [L804] r2 = r2 + 1 [L805] COND FALSE !(!(ep12 == 0)) [L814] COND FALSE !(!(ep32 == 0)) [L823] COND FALSE !(!(ep42 == 0)) [L832] newmax2 = node2__newmax [L833] COND FALSE !(((int)r2) == 3) [L839] mode2 = 0 [L841] _Bool node3__newmax; [L842] node3__newmax = 0 [L843] COND TRUE !(mode3 == 0) [L845] COND FALSE !(r3 == 255) [L851] r3 = r3 + 1 [L852] COND FALSE !(!(ep13 == 0)) [L861] COND FALSE !(!(ep23 == 0)) [L870] COND FALSE !(!(ep43 == 0)) [L879] newmax3 = node3__newmax [L880] COND FALSE !(((int)r3) == 3) [L886] mode3 = 0 [L888] _Bool node4__newmax; [L889] node4__newmax = 0 [L890] COND TRUE !(mode4 == 0) [L892] COND FALSE !(r4 == 255) [L898] r4 = r4 + 1 [L899] COND FALSE !(!(ep14 == 0)) [L908] COND FALSE !(!(ep24 == 0)) [L917] COND FALSE !(!(ep34 == 0)) [L926] newmax4 = node4__newmax [L927] COND FALSE !(((int)r4) == 3) [L933] mode4 = 0 [L934] p12_old = p12_new [L935] p12_new = nomsg [L936] p13_old = p13_new [L937] p13_new = nomsg [L938] p14_old = p14_new [L939] p14_new = nomsg [L940] p21_old = p21_new [L941] p21_new = nomsg [L942] p23_old = p23_new [L943] p23_new = nomsg [L944] p24_old = p24_new [L945] p24_new = nomsg [L946] p31_old = p31_new [L947] p31_new = nomsg [L948] p32_old = p32_new [L949] p32_new = nomsg [L950] p34_old = p34_new [L951] p34_new = nomsg [L952] p41_old = p41_new [L953] p41_new = nomsg [L954] p42_old = p42_new [L955] p42_new = nomsg [L956] p43_old = p43_new [L957] p43_new = nomsg [L959] int check__tmp; [L960] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L962] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L964] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L966] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L968] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L970] COND FALSE !(((int)r1) >= 3) [L976] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L978] COND TRUE ((int)r1) < 3 [L980] COND FALSE !(((int)r1) >= 3) [L986] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L988] COND TRUE ((int)r1) < 3 [L990] check__tmp = 1 [L991] __return_3525 = check__tmp [L992] main__c1 = __return_3525 [L994] _Bool __tmp_2; [L995] __tmp_2 = main__c1 [L996] _Bool assert__arg; [L997] assert__arg = __tmp_2 [L998] COND FALSE !(assert__arg == 0) [L1005] _Bool node1__newmax; [L1006] node1__newmax = 0 [L1007] COND FALSE !(!(mode1 == 0)) [L1013] COND TRUE ((int)r1) < 3 [L1015] COND FALSE !(!(ep12 == 0)) [L1028] COND FALSE !(!(ep13 == 0)) [L1041] COND FALSE !(!(ep14 == 0)) [L1054] mode1 = 1 [L1056] _Bool node2__newmax; [L1057] node2__newmax = 0 [L1058] COND FALSE !(!(mode2 == 0)) [L1064] COND TRUE ((int)r2) < 3 [L1066] COND FALSE !(!(ep21 == 0)) [L1079] COND FALSE !(!(ep23 == 0)) [L1092] COND FALSE !(!(ep24 == 0)) [L1105] mode2 = 1 [L1107] _Bool node3__newmax; [L1108] node3__newmax = 0 [L1109] COND FALSE !(!(mode3 == 0)) [L1115] COND TRUE ((int)r3) < 3 [L1117] COND FALSE !(!(ep31 == 0)) [L1130] COND FALSE !(!(ep32 == 0)) [L1143] COND FALSE !(!(ep34 == 0)) [L1156] mode3 = 1 [L1158] _Bool node4__newmax; [L1159] node4__newmax = 0 [L1160] COND FALSE !(!(mode4 == 0)) [L1166] COND TRUE ((int)r4) < 3 [L1168] COND FALSE !(!(ep41 == 0)) [L1181] COND FALSE !(!(ep42 == 0)) [L1194] COND FALSE !(!(ep43 == 0)) [L1207] mode4 = 1 [L1208] p12_old = p12_new [L1209] p12_new = nomsg [L1210] p13_old = p13_new [L1211] p13_new = nomsg [L1212] p14_old = p14_new [L1213] p14_new = nomsg [L1214] p21_old = p21_new [L1215] p21_new = nomsg [L1216] p23_old = p23_new [L1217] p23_new = nomsg [L1218] p24_old = p24_new [L1219] p24_new = nomsg [L1220] p31_old = p31_new [L1221] p31_new = nomsg [L1222] p32_old = p32_new [L1223] p32_new = nomsg [L1224] p34_old = p34_new [L1225] p34_new = nomsg [L1226] p41_old = p41_new [L1227] p41_new = nomsg [L1228] p42_old = p42_new [L1229] p42_new = nomsg [L1230] p43_old = p43_new [L1231] p43_new = nomsg [L1233] int check__tmp; [L1234] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1236] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1238] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1240] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1242] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1244] COND FALSE !(((int)r1) >= 3) [L1250] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1252] COND TRUE ((int)r1) < 3 [L1254] COND FALSE !(((int)r1) >= 3) [L1260] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1262] COND TRUE ((int)r1) < 3 [L1264] check__tmp = 1 [L1265] __return_3745 = check__tmp [L1266] main__c1 = __return_3745 [L1268] _Bool __tmp_3; [L1269] __tmp_3 = main__c1 [L1270] _Bool assert__arg; [L1271] assert__arg = __tmp_3 [L1272] COND FALSE !(assert__arg == 0) [L1279] _Bool node1__newmax; [L1280] node1__newmax = 0 [L1281] COND TRUE !(mode1 == 0) [L1283] COND FALSE !(r1 == 255) [L1289] r1 = r1 + 1 [L1290] COND FALSE !(!(ep21 == 0)) [L1299] COND FALSE !(!(ep31 == 0)) [L1308] COND FALSE !(!(ep41 == 0)) [L1317] newmax1 = node1__newmax [L1318] COND TRUE ((int)r1) == 2 [L1320] COND TRUE ((int)max1) == ((int)id1) [L1322] st1 = 1 [L1324] mode1 = 0 [L1326] _Bool node2__newmax; [L1327] node2__newmax = 0 [L1328] COND TRUE !(mode2 == 0) [L1330] COND FALSE !(r2 == 255) [L1336] r2 = r2 + 1 [L1337] COND FALSE !(!(ep12 == 0)) [L1346] COND FALSE !(!(ep32 == 0)) [L1355] COND FALSE !(!(ep42 == 0)) [L1364] newmax2 = node2__newmax [L1365] COND FALSE !(((int)r2) == 3) [L1371] mode2 = 0 [L1373] _Bool node3__newmax; [L1374] node3__newmax = 0 [L1375] COND TRUE !(mode3 == 0) [L1377] COND FALSE !(r3 == 255) [L1383] r3 = r3 + 1 [L1384] COND FALSE !(!(ep13 == 0)) [L1393] COND FALSE !(!(ep23 == 0)) [L1402] COND FALSE !(!(ep43 == 0)) [L1411] newmax3 = node3__newmax [L1412] COND FALSE !(((int)r3) == 3) [L1418] mode3 = 0 [L1420] _Bool node4__newmax; [L1421] node4__newmax = 0 [L1422] COND TRUE !(mode4 == 0) [L1424] COND FALSE !(r4 == 255) [L1430] r4 = r4 + 1 [L1431] COND FALSE !(!(ep14 == 0)) [L1440] COND FALSE !(!(ep24 == 0)) [L1449] COND FALSE !(!(ep34 == 0)) [L1458] newmax4 = node4__newmax [L1459] COND FALSE !(((int)r4) == 3) [L1465] mode4 = 0 [L1466] p12_old = p12_new [L1467] p12_new = nomsg [L1468] p13_old = p13_new [L1469] p13_new = nomsg [L1470] p14_old = p14_new [L1471] p14_new = nomsg [L1472] p21_old = p21_new [L1473] p21_new = nomsg [L1474] p23_old = p23_new [L1475] p23_new = nomsg [L1476] p24_old = p24_new [L1477] p24_new = nomsg [L1478] p31_old = p31_new [L1479] p31_new = nomsg [L1480] p32_old = p32_new [L1481] p32_new = nomsg [L1482] p34_old = p34_new [L1483] p34_new = nomsg [L1484] p41_old = p41_new [L1485] p41_new = nomsg [L1486] p42_old = p42_new [L1487] p42_new = nomsg [L1488] p43_old = p43_new [L1489] p43_new = nomsg [L1491] int check__tmp; [L1492] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1494] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1496] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1498] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1500] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1502] COND FALSE !(((int)r1) >= 3) [L1508] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L2541] check__tmp = 0 [L1526] __return_3954 = check__tmp [L1527] main__c1 = __return_3954 [L1530] _Bool __tmp_4; [L1531] __tmp_4 = main__c1 [L1532] _Bool assert__arg; [L1533] assert__arg = __tmp_4 [L1534] COND TRUE assert__arg == 0 [L1536] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown 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