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_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:54,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:54,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:54,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:54,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:54,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:54,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:54,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:54,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:54,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:54,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:54,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:54,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:54,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:54,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:54,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:54,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:54,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:54,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:54,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:54,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:54,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:54,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:54,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:54,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:11:54,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:54,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:54,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:54,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:54,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:54,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:54,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:54,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:54,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:54,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:54,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:54,186 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 17:11:54,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:54,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:54,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:54,205 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:54,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:54,206 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:54,207 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:54,207 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:54,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:54,207 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:54,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:54,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:54,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:54,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:54,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:54,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:54,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:54,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:54,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:54,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:54,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:54,210 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:54,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:54,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:54,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:54,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:54,211 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:54,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:54,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:54,212 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:54,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:54,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:54,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:54,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:54,265 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:54,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:54,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ce2f035/4a0947259d6b4854b3cc988b668af04d/FLAG810379d79 [2019-09-11 17:11:54,974 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:54,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:54,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ce2f035/4a0947259d6b4854b3cc988b668af04d/FLAG810379d79 [2019-09-11 17:11:55,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ce2f035/4a0947259d6b4854b3cc988b668af04d [2019-09-11 17:11:55,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:55,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:55,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:55,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:55,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:55,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:55" (1/1) ... [2019-09-11 17:11:55,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc34360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:55, skipping insertion in model container [2019-09-11 17:11:55,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:55" (1/1) ... [2019-09-11 17:11:55,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:55,287 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:56,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:56,443 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:56,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:56,901 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:56,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56 WrapperNode [2019-09-11 17:11:56,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:56,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:56,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:56,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:56,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:56,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:56,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:56,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:57,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:57,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:57,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (1/1) ... [2019-09-11 17:11:57,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:57,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:57,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:57,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:57,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:56" (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 17:11:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:11:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:11:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:59,771 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:59,772 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:59,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:59 BoogieIcfgContainer [2019-09-11 17:11:59,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:59,777 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:59,777 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:59,777 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:59,779 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:59" (1/1) ... [2019-09-11 17:11:59,840 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:12:00,165 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:12:32,689 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:12:32,812 INFO L272 AbstractInterpreter]: Visited 1261 different actions 52001 times. Merged at 811 different actions 28016 times. Widened at 257 different actions 4076 times. Performed 153430 root evaluator evaluations with a maximum evaluation depth of 6. Performed 153430 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 15018 fixpoints after 564 different actions. Largest state had 355 variables. [2019-09-11 17:12:32,813 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:12:32,816 INFO L168 Benchmark]: Toolchain (without parser) took 37663.62 ms. Allocated memory was 131.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 84.3 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 197.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:32,817 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:12:32,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1748.61 ms. Allocated memory was 131.1 MB in the beginning and 215.5 MB in the end (delta: 84.4 MB). Free memory was 84.1 MB in the beginning and 166.7 MB in the end (delta: -82.6 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:32,821 INFO L168 Benchmark]: Boogie Preprocessor took 167.94 ms. Allocated memory is still 215.5 MB. Free memory was 166.7 MB in the beginning and 158.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:32,823 INFO L168 Benchmark]: RCFGBuilder took 2705.26 ms. Allocated memory was 215.5 MB in the beginning and 276.8 MB in the end (delta: 61.3 MB). Free memory was 158.8 MB in the beginning and 169.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 144.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:32,824 INFO L168 Benchmark]: Abstract Interpretation took 33035.91 ms. Allocated memory was 276.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 169.2 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:12:32,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1748.61 ms. Allocated memory was 131.1 MB in the beginning and 215.5 MB in the end (delta: 84.4 MB). Free memory was 84.1 MB in the beginning and 166.7 MB in the end (delta: -82.6 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.94 ms. Allocated memory is still 215.5 MB. Free memory was 166.7 MB in the beginning and 158.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2705.26 ms. Allocated memory was 215.5 MB in the beginning and 276.8 MB in the end (delta: 61.3 MB). Free memory was 158.8 MB in the beginning and 169.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 144.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 33035.91 ms. Allocated memory was 276.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 169.2 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1882]: 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] char id2 = '\x0'; [L69] unsigned char r2 = '\x0'; [L70] char st2 = '\x0'; [L71] char nl2 = '\x0'; [L72] char m2 = '\x0'; [L73] char max2 = '\x0'; [L74] _Bool mode2 = 0; [L75] char id3 = '\x0'; [L76] unsigned char r3 = '\x0'; [L77] char st3 = '\x0'; [L78] char nl3 = '\x0'; [L79] char m3 = '\x0'; [L80] char max3 = '\x0'; [L81] _Bool mode3 = 0; [L82] char id4 = '\x0'; [L83] unsigned char r4 = '\x0'; [L84] char st4 = '\x0'; [L85] char nl4 = '\x0'; [L86] char m4 = '\x0'; [L87] char max4 = '\x0'; [L88] _Bool mode4 = 0; [L93] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L97] int __return_4316; [L98] int __return_4526; [L99] int __return_4710; [L100] int __return_4898; [L101] int __return_5082; [L102] int __return_5270; [L103] int __return_5469; [L104] int __return_5646; [L107] int main__c1; [L108] int main__i2; [L109] main__c1 = 0 [L110] ep12 = __VERIFIER_nondet_bool() [L111] ep13 = __VERIFIER_nondet_bool() [L112] ep14 = __VERIFIER_nondet_bool() [L113] ep21 = __VERIFIER_nondet_bool() [L114] ep23 = __VERIFIER_nondet_bool() [L115] ep24 = __VERIFIER_nondet_bool() [L116] ep31 = __VERIFIER_nondet_bool() [L117] ep32 = __VERIFIER_nondet_bool() [L118] ep34 = __VERIFIER_nondet_bool() [L119] ep41 = __VERIFIER_nondet_bool() [L120] ep42 = __VERIFIER_nondet_bool() [L121] ep43 = __VERIFIER_nondet_bool() [L122] id1 = __VERIFIER_nondet_char() [L123] r1 = __VERIFIER_nondet_uchar() [L124] st1 = __VERIFIER_nondet_char() [L125] nl1 = __VERIFIER_nondet_char() [L126] m1 = __VERIFIER_nondet_char() [L127] max1 = __VERIFIER_nondet_char() [L128] mode1 = __VERIFIER_nondet_bool() [L129] id2 = __VERIFIER_nondet_char() [L130] r2 = __VERIFIER_nondet_uchar() [L131] st2 = __VERIFIER_nondet_char() [L132] nl2 = __VERIFIER_nondet_char() [L133] m2 = __VERIFIER_nondet_char() [L134] max2 = __VERIFIER_nondet_char() [L135] mode2 = __VERIFIER_nondet_bool() [L136] id3 = __VERIFIER_nondet_char() [L137] r3 = __VERIFIER_nondet_uchar() [L138] st3 = __VERIFIER_nondet_char() [L139] nl3 = __VERIFIER_nondet_char() [L140] m3 = __VERIFIER_nondet_char() [L141] max3 = __VERIFIER_nondet_char() [L142] mode3 = __VERIFIER_nondet_bool() [L143] id4 = __VERIFIER_nondet_char() [L144] r4 = __VERIFIER_nondet_uchar() [L145] st4 = __VERIFIER_nondet_char() [L146] nl4 = __VERIFIER_nondet_char() [L147] m4 = __VERIFIER_nondet_char() [L148] max4 = __VERIFIER_nondet_char() [L149] mode4 = __VERIFIER_nondet_bool() [L151] _Bool init__r121; [L152] _Bool init__r131; [L153] _Bool init__r141; [L154] _Bool init__r211; [L155] _Bool init__r231; [L156] _Bool init__r241; [L157] _Bool init__r311; [L158] _Bool init__r321; [L159] _Bool init__r341; [L160] _Bool init__r411; [L161] _Bool init__r421; [L162] _Bool init__r431; [L163] _Bool init__r122; [L164] int init__tmp; [L165] _Bool init__r132; [L166] int init__tmp___0; [L167] _Bool init__r142; [L168] int init__tmp___1; [L169] _Bool init__r212; [L170] int init__tmp___2; [L171] _Bool init__r232; [L172] int init__tmp___3; [L173] _Bool init__r242; [L174] int init__tmp___4; [L175] _Bool init__r312; [L176] int init__tmp___5; [L177] _Bool init__r322; [L178] int init__tmp___6; [L179] _Bool init__r342; [L180] int init__tmp___7; [L181] _Bool init__r412; [L182] int init__tmp___8; [L183] _Bool init__r422; [L184] int init__tmp___9; [L185] _Bool init__r432; [L186] int init__tmp___10; [L187] _Bool init__r123; [L188] int init__tmp___11; [L189] _Bool init__r133; [L190] int init__tmp___12; [L191] _Bool init__r143; [L192] int init__tmp___13; [L193] _Bool init__r213; [L194] int init__tmp___14; [L195] _Bool init__r233; [L196] int init__tmp___15; [L197] _Bool init__r243; [L198] int init__tmp___16; [L199] _Bool init__r313; [L200] int init__tmp___17; [L201] _Bool init__r323; [L202] int init__tmp___18; [L203] _Bool init__r343; [L204] int init__tmp___19; [L205] _Bool init__r413; [L206] int init__tmp___20; [L207] _Bool init__r423; [L208] int init__tmp___21; [L209] _Bool init__r433; [L210] int init__tmp___22; [L211] int init__tmp___23; [L212] init__r121 = ep12 [L213] init__r131 = ep13 [L214] init__r141 = ep14 [L215] init__r211 = ep21 [L216] init__r231 = ep23 [L217] init__r241 = ep24 [L218] init__r311 = ep31 [L219] init__r321 = ep32 [L220] init__r341 = ep34 [L221] init__r411 = ep41 [L222] init__r421 = ep42 [L223] init__r431 = ep43 [L224] COND TRUE !(init__r121 == 0) [L226] init__tmp = 1 [L228] init__r122 = (_Bool)init__tmp [L229] COND TRUE !(init__r131 == 0) [L231] init__tmp___0 = 1 [L233] init__r132 = (_Bool)init__tmp___0 [L234] COND TRUE !(init__r141 == 0) [L236] init__tmp___1 = 1 [L238] init__r142 = (_Bool)init__tmp___1 [L239] COND TRUE !(init__r211 == 0) [L241] init__tmp___2 = 1 [L243] init__r212 = (_Bool)init__tmp___2 [L244] COND TRUE !(init__r231 == 0) [L246] init__tmp___3 = 1 [L248] init__r232 = (_Bool)init__tmp___3 [L249] COND TRUE !(init__r241 == 0) [L251] init__tmp___4 = 1 [L253] init__r242 = (_Bool)init__tmp___4 [L254] COND TRUE !(init__r311 == 0) [L256] init__tmp___5 = 1 [L258] init__r312 = (_Bool)init__tmp___5 [L259] COND TRUE !(init__r321 == 0) [L261] init__tmp___6 = 1 [L263] init__r322 = (_Bool)init__tmp___6 [L264] COND TRUE !(init__r341 == 0) [L266] init__tmp___7 = 1 [L268] init__r342 = (_Bool)init__tmp___7 [L269] COND TRUE !(init__r411 == 0) [L271] init__tmp___8 = 1 [L273] init__r412 = (_Bool)init__tmp___8 [L274] COND TRUE !(init__r421 == 0) [L276] init__tmp___9 = 1 [L278] init__r422 = (_Bool)init__tmp___9 [L279] COND TRUE !(init__r431 == 0) [L281] init__tmp___10 = 1 [L283] init__r432 = (_Bool)init__tmp___10 [L284] COND TRUE !(init__r122 == 0) [L286] init__tmp___11 = 1 [L288] init__r123 = (_Bool)init__tmp___11 [L289] COND TRUE !(init__r132 == 0) [L291] init__tmp___12 = 1 [L293] init__r133 = (_Bool)init__tmp___12 [L294] COND TRUE !(init__r142 == 0) [L296] init__tmp___13 = 1 [L298] init__r143 = (_Bool)init__tmp___13 [L299] COND TRUE !(init__r212 == 0) [L301] init__tmp___14 = 1 [L303] init__r213 = (_Bool)init__tmp___14 [L304] COND TRUE !(init__r232 == 0) [L306] init__tmp___15 = 1 [L308] init__r233 = (_Bool)init__tmp___15 [L309] COND TRUE !(init__r242 == 0) [L311] init__tmp___16 = 1 [L313] init__r243 = (_Bool)init__tmp___16 [L314] COND TRUE !(init__r312 == 0) [L316] init__tmp___17 = 1 [L318] init__r313 = (_Bool)init__tmp___17 [L319] COND TRUE !(init__r322 == 0) [L321] init__tmp___18 = 1 [L323] init__r323 = (_Bool)init__tmp___18 [L324] COND TRUE !(init__r342 == 0) [L326] init__tmp___19 = 1 [L328] init__r343 = (_Bool)init__tmp___19 [L329] COND TRUE !(init__r412 == 0) [L331] init__tmp___20 = 1 [L333] init__r413 = (_Bool)init__tmp___20 [L334] COND TRUE !(init__r422 == 0) [L336] init__tmp___21 = 1 [L338] init__r423 = (_Bool)init__tmp___21 [L339] COND TRUE !(init__r432 == 0) [L341] init__tmp___22 = 1 [L343] init__r433 = (_Bool)init__tmp___22 [L344] COND TRUE ((int)id1) != ((int)id2) [L346] COND TRUE ((int)id1) != ((int)id3) [L348] COND TRUE ((int)id1) != ((int)id4) [L350] COND TRUE ((int)id2) != ((int)id3) [L352] COND TRUE ((int)id2) != ((int)id4) [L354] COND TRUE ((int)id3) != ((int)id4) [L356] COND TRUE ((int)id1) >= 0 [L358] COND TRUE ((int)id2) >= 0 [L360] COND TRUE ((int)id3) >= 0 [L362] COND TRUE ((int)id4) >= 0 [L364] COND TRUE ((int)r1) == 0 [L366] COND TRUE ((int)r2) == 0 [L368] COND TRUE ((int)r3) == 0 [L370] COND TRUE ((int)r4) == 0 [L372] COND TRUE !(init__r123 == 0) [L374] COND TRUE !(init__r133 == 0) [L376] COND TRUE !(init__r143 == 0) [L378] COND TRUE !(init__r213 == 0) [L380] COND TRUE !(init__r233 == 0) [L382] COND TRUE !(init__r243 == 0) [L384] COND TRUE !(init__r313 == 0) [L386] COND TRUE !(init__r323 == 0) [L388] COND TRUE !(init__r343 == 0) [L390] COND TRUE !(init__r413 == 0) [L392] COND TRUE !(init__r423 == 0) [L394] COND TRUE !(init__r433 == 0) [L396] COND TRUE ((int)max1) == ((int)id1) [L398] COND TRUE ((int)max2) == ((int)id2) [L400] COND TRUE ((int)max3) == ((int)id3) [L402] COND TRUE ((int)max4) == ((int)id4) [L404] COND TRUE ((int)st1) == 0 [L406] COND TRUE ((int)st2) == 0 [L408] COND TRUE ((int)st3) == 0 [L410] COND TRUE ((int)st4) == 0 [L412] COND TRUE ((int)nl1) == 0 [L414] COND TRUE ((int)nl2) == 0 [L416] COND TRUE ((int)nl3) == 0 [L418] COND TRUE ((int)nl4) == 0 [L420] COND TRUE ((int)mode1) == 0 [L422] COND TRUE ((int)mode2) == 0 [L424] COND TRUE ((int)mode3) == 0 [L426] COND TRUE ((int)mode4) == 0 [L428] init__tmp___23 = 1 [L429] __return_4316 = init__tmp___23 [L430] main__i2 = __return_4316 [L431] COND TRUE main__i2 != 0 [L433] p12_old = nomsg [L434] p12_new = nomsg [L435] p13_old = nomsg [L436] p13_new = nomsg [L437] p14_old = nomsg [L438] p14_new = nomsg [L439] p21_old = nomsg [L440] p21_new = nomsg [L441] p23_old = nomsg [L442] p23_new = nomsg [L443] p24_old = nomsg [L444] p24_new = nomsg [L445] p31_old = nomsg [L446] p31_new = nomsg [L447] p32_old = nomsg [L448] p32_new = nomsg [L449] p34_old = nomsg [L450] p34_new = nomsg [L451] p41_old = nomsg [L452] p41_new = nomsg [L453] p42_old = nomsg [L454] p42_new = nomsg [L455] p43_old = nomsg [L456] p43_new = nomsg [L457] main__i2 = 0 [L459] COND FALSE !(!(mode1 == 0)) [L465] COND TRUE ((int)r1) < 3 [L467] COND FALSE !(!(ep12 == 0)) [L478] COND FALSE !(!(ep13 == 0)) [L489] COND FALSE !(!(ep14 == 0)) [L500] mode1 = 1 [L502] COND FALSE !(!(mode2 == 0)) [L508] COND TRUE ((int)r2) < 3 [L510] COND FALSE !(!(ep21 == 0)) [L521] COND FALSE !(!(ep23 == 0)) [L532] COND FALSE !(!(ep24 == 0)) [L543] mode2 = 1 [L545] COND FALSE !(!(mode3 == 0)) [L551] COND TRUE ((int)r3) < 3 [L553] COND FALSE !(!(ep31 == 0)) [L564] COND FALSE !(!(ep32 == 0)) [L575] COND FALSE !(!(ep34 == 0)) [L586] mode3 = 1 [L588] COND FALSE !(!(mode4 == 0)) [L594] COND TRUE ((int)r4) < 3 [L596] COND FALSE !(!(ep41 == 0)) [L607] COND FALSE !(!(ep42 == 0)) [L618] COND FALSE !(!(ep43 == 0)) [L629] mode4 = 1 [L630] p12_old = p12_new [L631] p12_new = nomsg [L632] p13_old = p13_new [L633] p13_new = nomsg [L634] p14_old = p14_new [L635] p14_new = nomsg [L636] p21_old = p21_new [L637] p21_new = nomsg [L638] p23_old = p23_new [L639] p23_new = nomsg [L640] p24_old = p24_new [L641] p24_new = nomsg [L642] p31_old = p31_new [L643] p31_new = nomsg [L644] p32_old = p32_new [L645] p32_new = nomsg [L646] p34_old = p34_new [L647] p34_new = nomsg [L648] p41_old = p41_new [L649] p41_new = nomsg [L650] p42_old = p42_new [L651] p42_new = nomsg [L652] p43_old = p43_new [L653] p43_new = nomsg [L655] int check__tmp; [L656] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L658] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L660] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L662] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L664] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L666] COND FALSE !(((int)r1) >= 3) [L672] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L674] COND TRUE ((int)r1) < 3 [L676] COND FALSE !(((int)r1) >= 3) [L682] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L684] COND TRUE ((int)r1) < 3 [L686] check__tmp = 1 [L687] __return_4526 = check__tmp [L688] main__c1 = __return_4526 [L690] _Bool __tmp_1; [L691] __tmp_1 = main__c1 [L692] _Bool assert__arg; [L693] assert__arg = __tmp_1 [L694] COND FALSE !(assert__arg == 0) [L701] COND TRUE !(mode1 == 0) [L703] COND FALSE !(r1 == 255) [L709] r1 = r1 + 1 [L710] COND FALSE !(!(ep21 == 0)) [L718] COND FALSE !(!(ep31 == 0)) [L726] COND FALSE !(!(ep41 == 0)) [L734] COND FALSE !(((int)r1) == 3) [L740] mode1 = 0 [L742] COND TRUE !(mode2 == 0) [L744] COND FALSE !(r2 == 255) [L750] r2 = r2 + 1 [L751] COND FALSE !(!(ep12 == 0)) [L759] COND FALSE !(!(ep32 == 0)) [L767] COND FALSE !(!(ep42 == 0)) [L775] COND FALSE !(((int)r2) == 3) [L781] mode2 = 0 [L783] COND TRUE !(mode3 == 0) [L785] COND FALSE !(r3 == 255) [L791] r3 = r3 + 1 [L792] COND FALSE !(!(ep13 == 0)) [L800] COND FALSE !(!(ep23 == 0)) [L808] COND FALSE !(!(ep43 == 0)) [L816] COND FALSE !(((int)r3) == 3) [L822] mode3 = 0 [L824] COND TRUE !(mode4 == 0) [L826] COND FALSE !(r4 == 255) [L832] r4 = r4 + 1 [L833] COND FALSE !(!(ep14 == 0)) [L841] COND FALSE !(!(ep24 == 0)) [L849] COND FALSE !(!(ep34 == 0)) [L857] COND FALSE !(((int)r4) == 3) [L863] mode4 = 0 [L864] p12_old = p12_new [L865] p12_new = nomsg [L866] p13_old = p13_new [L867] p13_new = nomsg [L868] p14_old = p14_new [L869] p14_new = nomsg [L870] p21_old = p21_new [L871] p21_new = nomsg [L872] p23_old = p23_new [L873] p23_new = nomsg [L874] p24_old = p24_new [L875] p24_new = nomsg [L876] p31_old = p31_new [L877] p31_new = nomsg [L878] p32_old = p32_new [L879] p32_new = nomsg [L880] p34_old = p34_new [L881] p34_new = nomsg [L882] p41_old = p41_new [L883] p41_new = nomsg [L884] p42_old = p42_new [L885] p42_new = nomsg [L886] p43_old = p43_new [L887] p43_new = nomsg [L889] int check__tmp; [L890] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L892] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L894] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L896] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L898] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L900] COND FALSE !(((int)r1) >= 3) [L906] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L908] COND TRUE ((int)r1) < 3 [L910] COND FALSE !(((int)r1) >= 3) [L916] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L918] COND TRUE ((int)r1) < 3 [L920] check__tmp = 1 [L921] __return_4710 = check__tmp [L922] main__c1 = __return_4710 [L924] _Bool __tmp_2; [L925] __tmp_2 = main__c1 [L926] _Bool assert__arg; [L927] assert__arg = __tmp_2 [L928] COND FALSE !(assert__arg == 0) [L935] COND FALSE !(!(mode1 == 0)) [L941] COND TRUE ((int)r1) < 3 [L943] COND FALSE !(!(ep12 == 0)) [L954] COND FALSE !(!(ep13 == 0)) [L965] COND FALSE !(!(ep14 == 0)) [L976] mode1 = 1 [L978] COND FALSE !(!(mode2 == 0)) [L984] COND TRUE ((int)r2) < 3 [L986] COND FALSE !(!(ep21 == 0)) [L997] COND FALSE !(!(ep23 == 0)) [L1008] COND FALSE !(!(ep24 == 0)) [L1019] mode2 = 1 [L1021] COND FALSE !(!(mode3 == 0)) [L1027] COND TRUE ((int)r3) < 3 [L1029] COND FALSE !(!(ep31 == 0)) [L1040] COND FALSE !(!(ep32 == 0)) [L1051] COND FALSE !(!(ep34 == 0)) [L1062] mode3 = 1 [L1064] COND FALSE !(!(mode4 == 0)) [L1070] COND TRUE ((int)r4) < 3 [L1072] COND FALSE !(!(ep41 == 0)) [L1083] COND FALSE !(!(ep42 == 0)) [L1094] COND FALSE !(!(ep43 == 0)) [L1105] mode4 = 1 [L1106] p12_old = p12_new [L1107] p12_new = nomsg [L1108] p13_old = p13_new [L1109] p13_new = nomsg [L1110] p14_old = p14_new [L1111] p14_new = nomsg [L1112] p21_old = p21_new [L1113] p21_new = nomsg [L1114] p23_old = p23_new [L1115] p23_new = nomsg [L1116] p24_old = p24_new [L1117] p24_new = nomsg [L1118] p31_old = p31_new [L1119] p31_new = nomsg [L1120] p32_old = p32_new [L1121] p32_new = nomsg [L1122] p34_old = p34_new [L1123] p34_new = nomsg [L1124] p41_old = p41_new [L1125] p41_new = nomsg [L1126] p42_old = p42_new [L1127] p42_new = nomsg [L1128] p43_old = p43_new [L1129] p43_new = nomsg [L1131] int check__tmp; [L1132] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1134] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1136] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1138] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1140] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1142] COND FALSE !(((int)r1) >= 3) [L1148] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1150] COND TRUE ((int)r1) < 3 [L1152] COND FALSE !(((int)r1) >= 3) [L1158] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1160] COND TRUE ((int)r1) < 3 [L1162] check__tmp = 1 [L1163] __return_4898 = check__tmp [L1164] main__c1 = __return_4898 [L1166] _Bool __tmp_3; [L1167] __tmp_3 = main__c1 [L1168] _Bool assert__arg; [L1169] assert__arg = __tmp_3 [L1170] COND FALSE !(assert__arg == 0) [L1177] COND TRUE !(mode1 == 0) [L1179] COND FALSE !(r1 == 255) [L1185] r1 = r1 + 1 [L1186] COND FALSE !(!(ep21 == 0)) [L1194] COND FALSE !(!(ep31 == 0)) [L1202] COND FALSE !(!(ep41 == 0)) [L1210] COND FALSE !(((int)r1) == 3) [L1216] mode1 = 0 [L1218] COND TRUE !(mode2 == 0) [L1220] COND FALSE !(r2 == 255) [L1226] r2 = r2 + 1 [L1227] COND FALSE !(!(ep12 == 0)) [L1235] COND FALSE !(!(ep32 == 0)) [L1243] COND FALSE !(!(ep42 == 0)) [L1251] COND FALSE !(((int)r2) == 3) [L1257] mode2 = 0 [L1259] COND TRUE !(mode3 == 0) [L1261] COND FALSE !(r3 == 255) [L1267] r3 = r3 + 1 [L1268] COND FALSE !(!(ep13 == 0)) [L1276] COND FALSE !(!(ep23 == 0)) [L1284] COND FALSE !(!(ep43 == 0)) [L1292] COND FALSE !(((int)r3) == 3) [L1298] mode3 = 0 [L1300] COND TRUE !(mode4 == 0) [L1302] COND FALSE !(r4 == 255) [L1308] r4 = r4 + 1 [L1309] COND FALSE !(!(ep14 == 0)) [L1317] COND FALSE !(!(ep24 == 0)) [L1325] COND FALSE !(!(ep34 == 0)) [L1333] COND FALSE !(((int)r4) == 3) [L1339] mode4 = 0 [L1340] p12_old = p12_new [L1341] p12_new = nomsg [L1342] p13_old = p13_new [L1343] p13_new = nomsg [L1344] p14_old = p14_new [L1345] p14_new = nomsg [L1346] p21_old = p21_new [L1347] p21_new = nomsg [L1348] p23_old = p23_new [L1349] p23_new = nomsg [L1350] p24_old = p24_new [L1351] p24_new = nomsg [L1352] p31_old = p31_new [L1353] p31_new = nomsg [L1354] p32_old = p32_new [L1355] p32_new = nomsg [L1356] p34_old = p34_new [L1357] p34_new = nomsg [L1358] p41_old = p41_new [L1359] p41_new = nomsg [L1360] p42_old = p42_new [L1361] p42_new = nomsg [L1362] p43_old = p43_new [L1363] p43_new = nomsg [L1365] int check__tmp; [L1366] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1368] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1370] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1372] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1374] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1376] COND FALSE !(((int)r1) >= 3) [L1382] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1384] COND TRUE ((int)r1) < 3 [L1386] COND FALSE !(((int)r1) >= 3) [L1392] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1394] COND TRUE ((int)r1) < 3 [L1396] check__tmp = 1 [L1397] __return_5082 = check__tmp [L1398] main__c1 = __return_5082 [L1400] _Bool __tmp_4; [L1401] __tmp_4 = main__c1 [L1402] _Bool assert__arg; [L1403] assert__arg = __tmp_4 [L1404] COND FALSE !(assert__arg == 0) [L1411] COND FALSE !(!(mode1 == 0)) [L1417] COND TRUE ((int)r1) < 3 [L1419] COND FALSE !(!(ep12 == 0)) [L1430] COND FALSE !(!(ep13 == 0)) [L1441] COND FALSE !(!(ep14 == 0)) [L1452] mode1 = 1 [L1454] COND FALSE !(!(mode2 == 0)) [L1460] COND TRUE ((int)r2) < 3 [L1462] COND FALSE !(!(ep21 == 0)) [L1473] COND FALSE !(!(ep23 == 0)) [L1484] COND FALSE !(!(ep24 == 0)) [L1495] mode2 = 1 [L1497] COND FALSE !(!(mode3 == 0)) [L1503] COND TRUE ((int)r3) < 3 [L1505] COND FALSE !(!(ep31 == 0)) [L1516] COND FALSE !(!(ep32 == 0)) [L1527] COND FALSE !(!(ep34 == 0)) [L1538] mode3 = 1 [L1540] COND FALSE !(!(mode4 == 0)) [L1546] COND TRUE ((int)r4) < 3 [L1548] COND FALSE !(!(ep41 == 0)) [L1559] COND FALSE !(!(ep42 == 0)) [L1570] COND FALSE !(!(ep43 == 0)) [L1581] mode4 = 1 [L1582] p12_old = p12_new [L1583] p12_new = nomsg [L1584] p13_old = p13_new [L1585] p13_new = nomsg [L1586] p14_old = p14_new [L1587] p14_new = nomsg [L1588] p21_old = p21_new [L1589] p21_new = nomsg [L1590] p23_old = p23_new [L1591] p23_new = nomsg [L1592] p24_old = p24_new [L1593] p24_new = nomsg [L1594] p31_old = p31_new [L1595] p31_new = nomsg [L1596] p32_old = p32_new [L1597] p32_new = nomsg [L1598] p34_old = p34_new [L1599] p34_new = nomsg [L1600] p41_old = p41_new [L1601] p41_new = nomsg [L1602] p42_old = p42_new [L1603] p42_new = nomsg [L1604] p43_old = p43_new [L1605] p43_new = nomsg [L1607] int check__tmp; [L1608] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1610] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1612] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1614] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1616] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1618] COND FALSE !(((int)r1) >= 3) [L1624] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1626] COND TRUE ((int)r1) < 3 [L1628] COND FALSE !(((int)r1) >= 3) [L1634] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1636] COND TRUE ((int)r1) < 3 [L1638] check__tmp = 1 [L1639] __return_5270 = check__tmp [L1640] main__c1 = __return_5270 [L1642] _Bool __tmp_5; [L1643] __tmp_5 = main__c1 [L1644] _Bool assert__arg; [L1645] assert__arg = __tmp_5 [L1646] COND FALSE !(assert__arg == 0) [L1653] COND TRUE !(mode1 == 0) [L1655] COND FALSE !(r1 == 255) [L1661] r1 = r1 + 1 [L1662] COND FALSE !(!(ep21 == 0)) [L1670] COND FALSE !(!(ep31 == 0)) [L1678] COND FALSE !(!(ep41 == 0)) [L1686] COND TRUE ((int)r1) == 3 [L1688] COND FALSE !(((int)max1) == ((int)id1)) [L2982] st1 = 1 [L1692] mode1 = 0 [L1694] COND TRUE !(mode2 == 0) [L1696] COND FALSE !(r2 == 255) [L1702] r2 = r2 + 1 [L1703] COND FALSE !(!(ep12 == 0)) [L1711] COND FALSE !(!(ep32 == 0)) [L1719] COND FALSE !(!(ep42 == 0)) [L1727] COND TRUE ((int)r2) == 3 [L1729] COND TRUE ((int)max2) == ((int)id2) [L1731] st2 = 1 [L1733] mode2 = 0 [L1735] COND TRUE !(mode3 == 0) [L1737] COND FALSE !(r3 == 255) [L1743] r3 = r3 + 1 [L1744] COND FALSE !(!(ep13 == 0)) [L1752] COND FALSE !(!(ep23 == 0)) [L1760] COND FALSE !(!(ep43 == 0)) [L1768] COND TRUE ((int)r3) == 3 [L1770] COND TRUE ((int)max3) == ((int)id3) [L1772] st3 = 1 [L1774] mode3 = 0 [L1776] COND TRUE !(mode4 == 0) [L1778] COND FALSE !(r4 == 255) [L1784] r4 = r4 + 1 [L1785] COND FALSE !(!(ep14 == 0)) [L1793] COND FALSE !(!(ep24 == 0)) [L1801] COND FALSE !(!(ep34 == 0)) [L1809] COND TRUE ((int)r4) == 3 [L1811] COND FALSE !(((int)max4) == ((int)id4)) [L2838] nl4 = 1 [L1815] mode4 = 0 [L1816] p12_old = p12_new [L1817] p12_new = nomsg [L1818] p13_old = p13_new [L1819] p13_new = nomsg [L1820] p14_old = p14_new [L1821] p14_new = nomsg [L1822] p21_old = p21_new [L1823] p21_new = nomsg [L1824] p23_old = p23_new [L1825] p23_new = nomsg [L1826] p24_old = p24_new [L1827] p24_new = nomsg [L1828] p31_old = p31_new [L1829] p31_new = nomsg [L1830] p32_old = p32_new [L1831] p32_new = nomsg [L1832] p34_old = p34_new [L1833] p34_new = nomsg [L1834] p41_old = p41_new [L1835] p41_new = nomsg [L1836] p42_old = p42_new [L1837] p42_new = nomsg [L1838] p43_old = p43_new [L1839] p43_new = nomsg [L1841] int check__tmp; [L1842] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2831] check__tmp = 0 [L1872] __return_5469 = check__tmp [L1873] main__c1 = __return_5469 [L1876] _Bool __tmp_6; [L1877] __tmp_6 = main__c1 [L1878] _Bool assert__arg; [L1879] assert__arg = __tmp_6 [L1880] COND TRUE assert__arg == 0 [L1882] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...