/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:08:30,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:08:30,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:08:30,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:08:30,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:08:30,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:08:30,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:08:30,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:08:30,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:08:30,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:08:30,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:08:30,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:08:30,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:08:30,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:08:30,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:08:30,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:08:30,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:08:30,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:08:30,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:08:30,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:08:30,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:08:30,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:08:30,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:08:30,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:08:30,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:08:30,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:08:30,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:08:30,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:08:30,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:08:30,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:08:30,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:08:30,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:08:30,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:08:30,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:08:30,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:08:30,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:08:30,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 07:08:30,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:08:30,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:08:30,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:08:30,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:08:30,156 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:08:30,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:08:30,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:08:30,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:08:30,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:08:30,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:08:30,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:08:30,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:08:30,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:08:30,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:08:30,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:08:30,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:08:30,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:08:30,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:08:30,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:08:30,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:08:30,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:08:30,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:08:30,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:08:30,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:08:30,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:08:30,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:08:30,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:08:30,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:08:30,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 07:08:30,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:08:30,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:08:30,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:08:30,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:08:30,463 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:08:30,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-11-07 07:08:30,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b5441c9/a0a32d59893c43c58d1b8c7d58353a3e/FLAGa4d3fd945 [2019-11-07 07:08:31,107 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:08:31,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-11-07 07:08:31,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b5441c9/a0a32d59893c43c58d1b8c7d58353a3e/FLAGa4d3fd945 [2019-11-07 07:08:31,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b5441c9/a0a32d59893c43c58d1b8c7d58353a3e [2019-11-07 07:08:31,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:08:31,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:08:31,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:31,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:08:31,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:08:31,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15619393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:31, skipping insertion in model container [2019-11-07 07:08:31,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:31" (1/1) ... [2019-11-07 07:08:31,406 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:08:31,457 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:08:31,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:31,962 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:08:32,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:32,131 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:08:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32 WrapperNode [2019-11-07 07:08:32,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:32,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:08:32,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:08:32,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:08:32,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... [2019-11-07 07:08:32,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:08:32,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:08:32,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:08:32,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:08:32,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:08:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:08:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:08:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:08:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:08:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:08:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:08:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:08:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:08:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:08:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:08:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:08:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:08:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:08:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:08:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:08:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:08:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:08:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:08:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:08:33,718 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:08:33,719 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:08:33,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:33 BoogieIcfgContainer [2019-11-07 07:08:33,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:08:33,721 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:08:33,721 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:08:33,722 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:08:33,723 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:33" (1/1) ... [2019-11-07 07:08:33,763 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:08:33,917 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:08:39,976 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:08:40,045 INFO L272 AbstractInterpreter]: Visited 468 different actions 9934 times. Merged at 317 different actions 5399 times. Widened at 83 different actions 837 times. Performed 28048 root evaluator evaluations with a maximum evaluation depth of 5. Performed 28048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2891 fixpoints after 212 different actions. Largest state had 205 variables. [2019-11-07 07:08:40,046 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:08:40,048 INFO L168 Benchmark]: Toolchain (without parser) took 8659.33 ms. Allocated memory was 143.1 MB in the beginning and 471.9 MB in the end (delta: 328.7 MB). Free memory was 99.7 MB in the beginning and 216.3 MB in the end (delta: -116.6 MB). Peak memory consumption was 212.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,049 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.59 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 99.5 MB in the beginning and 168.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,051 INFO L168 Benchmark]: Boogie Preprocessor took 128.27 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 164.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,052 INFO L168 Benchmark]: RCFGBuilder took 1459.43 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 164.4 MB in the beginning and 177.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,053 INFO L168 Benchmark]: Abstract Interpretation took 6324.69 ms. Allocated memory was 230.7 MB in the beginning and 471.9 MB in the end (delta: 241.2 MB). Free memory was 177.4 MB in the beginning and 216.3 MB in the end (delta: -38.9 MB). Peak memory consumption was 202.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:40,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.59 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 99.5 MB in the beginning and 168.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.27 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 164.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1459.43 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 164.4 MB in the beginning and 177.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6324.69 ms. Allocated memory was 230.7 MB in the beginning and 471.9 MB in the end (delta: 241.2 MB). Free memory was 177.4 MB in the beginning and 216.3 MB in the end (delta: -38.9 MB). Peak memory consumption was 202.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 569]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] _Bool newmax1 = 0; [L45] char id2 = '\x0'; [L46] unsigned char r2 = '\x0'; [L47] char st2 = '\x0'; [L48] char nl2 = '\x0'; [L49] char m2 = '\x0'; [L50] char max2 = '\x0'; [L51] _Bool mode2 = 0; [L52] _Bool newmax2 = 0; [L53] char id3 = '\x0'; [L54] unsigned char r3 = '\x0'; [L55] char st3 = '\x0'; [L56] char nl3 = '\x0'; [L57] char m3 = '\x0'; [L58] char max3 = '\x0'; [L59] _Bool mode3 = 0; [L60] _Bool newmax3 = 0; [L64] void (*nodes[3])() = { &node1, &node2, &node3 }; [L68] int __return_1248; [L69] int __return_1394; [L70] int __return_1872; [L71] int __return_1528; [L72] int __return_1653; [L75] int main__c1; [L76] int main__i2; [L77] main__c1 = 0 [L78] ep12 = __VERIFIER_nondet_bool() [L79] ep13 = __VERIFIER_nondet_bool() [L80] ep21 = __VERIFIER_nondet_bool() [L81] ep23 = __VERIFIER_nondet_bool() [L82] ep31 = __VERIFIER_nondet_bool() [L83] ep32 = __VERIFIER_nondet_bool() [L84] id1 = __VERIFIER_nondet_char() [L85] r1 = __VERIFIER_nondet_uchar() [L86] st1 = __VERIFIER_nondet_char() [L87] nl1 = __VERIFIER_nondet_char() [L88] m1 = __VERIFIER_nondet_char() [L89] max1 = __VERIFIER_nondet_char() [L90] mode1 = __VERIFIER_nondet_bool() [L91] newmax1 = __VERIFIER_nondet_bool() [L92] id2 = __VERIFIER_nondet_char() [L93] r2 = __VERIFIER_nondet_uchar() [L94] st2 = __VERIFIER_nondet_char() [L95] nl2 = __VERIFIER_nondet_char() [L96] m2 = __VERIFIER_nondet_char() [L97] max2 = __VERIFIER_nondet_char() [L98] mode2 = __VERIFIER_nondet_bool() [L99] newmax2 = __VERIFIER_nondet_bool() [L100] id3 = __VERIFIER_nondet_char() [L101] r3 = __VERIFIER_nondet_uchar() [L102] st3 = __VERIFIER_nondet_char() [L103] nl3 = __VERIFIER_nondet_char() [L104] m3 = __VERIFIER_nondet_char() [L105] max3 = __VERIFIER_nondet_char() [L106] mode3 = __VERIFIER_nondet_bool() [L107] newmax3 = __VERIFIER_nondet_bool() [L109] _Bool init__r121; [L110] _Bool init__r131; [L111] _Bool init__r211; [L112] _Bool init__r231; [L113] _Bool init__r311; [L114] _Bool init__r321; [L115] _Bool init__r122; [L116] int init__tmp; [L117] _Bool init__r132; [L118] int init__tmp___0; [L119] _Bool init__r212; [L120] int init__tmp___1; [L121] _Bool init__r232; [L122] int init__tmp___2; [L123] _Bool init__r312; [L124] int init__tmp___3; [L125] _Bool init__r322; [L126] int init__tmp___4; [L127] int init__tmp___5; [L128] init__r121 = ep12 [L129] init__r131 = ep13 [L130] init__r211 = ep21 [L131] init__r231 = ep23 [L132] init__r311 = ep31 [L133] init__r321 = ep32 [L134] COND TRUE !(init__r121 == 0) [L136] init__tmp = 1 [L138] init__r122 = (_Bool)init__tmp [L139] COND TRUE !(init__r131 == 0) [L141] init__tmp___0 = 1 [L143] init__r132 = (_Bool)init__tmp___0 [L144] COND TRUE !(init__r211 == 0) [L146] init__tmp___1 = 1 [L148] init__r212 = (_Bool)init__tmp___1 [L149] COND TRUE !(init__r231 == 0) [L151] init__tmp___2 = 1 [L153] init__r232 = (_Bool)init__tmp___2 [L154] COND TRUE !(init__r311 == 0) [L156] init__tmp___3 = 1 [L158] init__r312 = (_Bool)init__tmp___3 [L159] COND TRUE !(init__r321 == 0) [L161] init__tmp___4 = 1 [L163] init__r322 = (_Bool)init__tmp___4 [L164] COND TRUE ((int)id1) != ((int)id2) [L166] COND TRUE ((int)id1) != ((int)id3) [L168] COND TRUE ((int)id2) != ((int)id3) [L170] COND TRUE ((int)id1) >= 0 [L172] COND TRUE ((int)id2) >= 0 [L174] COND TRUE ((int)id3) >= 0 [L176] COND TRUE ((int)r1) == 0 [L178] COND TRUE ((int)r2) == 0 [L180] COND TRUE ((int)r3) == 0 [L182] COND TRUE !(init__r122 == 0) [L184] COND TRUE !(init__r132 == 0) [L186] COND TRUE !(init__r212 == 0) [L188] COND TRUE !(init__r232 == 0) [L190] COND TRUE !(init__r312 == 0) [L192] COND TRUE !(init__r322 == 0) [L194] COND TRUE ((int)max1) == ((int)id1) [L196] COND TRUE ((int)max2) == ((int)id2) [L198] COND TRUE ((int)max3) == ((int)id3) [L200] COND TRUE ((int)st1) == 0 [L202] COND TRUE ((int)st2) == 0 [L204] COND TRUE ((int)st3) == 0 [L206] COND TRUE ((int)nl1) == 0 [L208] COND TRUE ((int)nl2) == 0 [L210] COND TRUE ((int)nl3) == 0 [L212] COND TRUE ((int)mode1) == 0 [L214] COND TRUE ((int)mode2) == 0 [L216] COND TRUE ((int)mode3) == 0 [L218] COND TRUE !(newmax1 == 0) [L220] COND TRUE !(newmax2 == 0) [L222] COND TRUE !(newmax3 == 0) [L224] init__tmp___5 = 1 [L225] __return_1248 = init__tmp___5 [L226] main__i2 = __return_1248 [L227] COND TRUE main__i2 != 0 [L229] p12_old = nomsg [L230] p12_new = nomsg [L231] p13_old = nomsg [L232] p13_new = nomsg [L233] p21_old = nomsg [L234] p21_new = nomsg [L235] p23_old = nomsg [L236] p23_new = nomsg [L237] p31_old = nomsg [L238] p31_new = nomsg [L239] p32_old = nomsg [L240] p32_new = nomsg [L241] main__i2 = 0 [L243] _Bool node1__newmax; [L244] node1__newmax = 0 [L245] COND FALSE !(!(mode1 == 0)) [L251] COND TRUE ((int)r1) < 2 [L253] COND FALSE !(!(ep12 == 0)) [L266] COND FALSE !(!(ep13 == 0)) [L279] mode1 = 1 [L281] _Bool node2__newmax; [L282] node2__newmax = 0 [L283] COND FALSE !(!(mode2 == 0)) [L289] COND TRUE ((int)r2) < 2 [L291] COND FALSE !(!(ep21 == 0)) [L304] COND FALSE !(!(ep23 == 0)) [L317] mode2 = 1 [L319] _Bool node3__newmax; [L320] node3__newmax = 0 [L321] COND FALSE !(!(mode3 == 0)) [L327] COND TRUE ((int)r3) < 2 [L329] COND FALSE !(!(ep31 == 0)) [L342] COND FALSE !(!(ep32 == 0)) [L355] mode3 = 1 [L356] p12_old = p12_new [L357] p12_new = nomsg [L358] p13_old = p13_new [L359] p13_new = nomsg [L360] p21_old = p21_new [L361] p21_new = nomsg [L362] p23_old = p23_new [L363] p23_new = nomsg [L364] p31_old = p31_new [L365] p31_new = nomsg [L366] p32_old = p32_new [L367] p32_new = nomsg [L369] int check__tmp; [L370] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L372] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L374] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L376] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L378] COND FALSE !(((int)r1) >= 2) [L384] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L386] COND TRUE ((int)r1) < 2 [L388] COND FALSE !(((int)r1) >= 2) [L394] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L396] COND TRUE ((int)r1) < 2 [L398] check__tmp = 1 [L399] __return_1394 = check__tmp [L400] main__c1 = __return_1394 [L402] _Bool __tmp_1; [L403] __tmp_1 = main__c1 [L404] _Bool assert__arg; [L405] assert__arg = __tmp_1 [L406] COND FALSE !(assert__arg == 0) [L413] _Bool node1__newmax; [L414] node1__newmax = 0 [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] COND FALSE !(!(ep21 == 0)) [L433] COND FALSE !(!(ep31 == 0)) [L442] newmax1 = node1__newmax [L443] COND TRUE ((int)r1) == 1 [L445] COND TRUE ((int)max1) == ((int)id1) [L447] st1 = 1 [L448] mode1 = 0 [L450] _Bool node2__newmax; [L451] node2__newmax = 0 [L452] COND TRUE !(mode2 == 0) [L454] COND FALSE !(r2 == 255) [L460] r2 = r2 + 1 [L461] COND FALSE !(!(ep12 == 0)) [L470] COND FALSE !(!(ep32 == 0)) [L479] newmax2 = node2__newmax [L480] COND FALSE !(((int)r2) == 2) [L486] mode2 = 0 [L488] _Bool node3__newmax; [L489] node3__newmax = 0 [L490] COND TRUE !(mode3 == 0) [L492] COND FALSE !(r3 == 255) [L498] r3 = r3 + 1 [L499] COND FALSE !(!(ep13 == 0)) [L508] COND FALSE !(!(ep23 == 0)) [L517] newmax3 = node3__newmax [L518] COND FALSE !(((int)r3) == 2) [L524] mode3 = 0 [L525] p12_old = p12_new [L526] p12_new = nomsg [L527] p13_old = p13_new [L528] p13_new = nomsg [L529] p21_old = p21_new [L530] p21_new = nomsg [L531] p23_old = p23_new [L532] p23_new = nomsg [L533] p31_old = p31_new [L534] p31_new = nomsg [L535] p32_old = p32_new [L536] p32_new = nomsg [L538] int check__tmp; [L539] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L541] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L543] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L545] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L547] COND FALSE !(((int)r1) >= 2) [L553] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 0) [L559] check__tmp = 0 [L560] __return_1872 = check__tmp [L561] main__c1 = __return_1872 [L563] _Bool __tmp_2; [L564] __tmp_2 = main__c1 [L565] _Bool assert__arg; [L566] assert__arg = __tmp_2 [L567] COND TRUE assert__arg == 0 [L569] __VERIFIER_error() - UnprovableResult [Line: 792]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] _Bool newmax1 = 0; [L45] char id2 = '\x0'; [L46] unsigned char r2 = '\x0'; [L47] char st2 = '\x0'; [L48] char nl2 = '\x0'; [L49] char m2 = '\x0'; [L50] char max2 = '\x0'; [L51] _Bool mode2 = 0; [L52] _Bool newmax2 = 0; [L53] char id3 = '\x0'; [L54] unsigned char r3 = '\x0'; [L55] char st3 = '\x0'; [L56] char nl3 = '\x0'; [L57] char m3 = '\x0'; [L58] char max3 = '\x0'; [L59] _Bool mode3 = 0; [L60] _Bool newmax3 = 0; [L64] void (*nodes[3])() = { &node1, &node2, &node3 }; [L68] int __return_1248; [L69] int __return_1394; [L70] int __return_1872; [L71] int __return_1528; [L72] int __return_1653; [L75] int main__c1; [L76] int main__i2; [L77] main__c1 = 0 [L78] ep12 = __VERIFIER_nondet_bool() [L79] ep13 = __VERIFIER_nondet_bool() [L80] ep21 = __VERIFIER_nondet_bool() [L81] ep23 = __VERIFIER_nondet_bool() [L82] ep31 = __VERIFIER_nondet_bool() [L83] ep32 = __VERIFIER_nondet_bool() [L84] id1 = __VERIFIER_nondet_char() [L85] r1 = __VERIFIER_nondet_uchar() [L86] st1 = __VERIFIER_nondet_char() [L87] nl1 = __VERIFIER_nondet_char() [L88] m1 = __VERIFIER_nondet_char() [L89] max1 = __VERIFIER_nondet_char() [L90] mode1 = __VERIFIER_nondet_bool() [L91] newmax1 = __VERIFIER_nondet_bool() [L92] id2 = __VERIFIER_nondet_char() [L93] r2 = __VERIFIER_nondet_uchar() [L94] st2 = __VERIFIER_nondet_char() [L95] nl2 = __VERIFIER_nondet_char() [L96] m2 = __VERIFIER_nondet_char() [L97] max2 = __VERIFIER_nondet_char() [L98] mode2 = __VERIFIER_nondet_bool() [L99] newmax2 = __VERIFIER_nondet_bool() [L100] id3 = __VERIFIER_nondet_char() [L101] r3 = __VERIFIER_nondet_uchar() [L102] st3 = __VERIFIER_nondet_char() [L103] nl3 = __VERIFIER_nondet_char() [L104] m3 = __VERIFIER_nondet_char() [L105] max3 = __VERIFIER_nondet_char() [L106] mode3 = __VERIFIER_nondet_bool() [L107] newmax3 = __VERIFIER_nondet_bool() [L109] _Bool init__r121; [L110] _Bool init__r131; [L111] _Bool init__r211; [L112] _Bool init__r231; [L113] _Bool init__r311; [L114] _Bool init__r321; [L115] _Bool init__r122; [L116] int init__tmp; [L117] _Bool init__r132; [L118] int init__tmp___0; [L119] _Bool init__r212; [L120] int init__tmp___1; [L121] _Bool init__r232; [L122] int init__tmp___2; [L123] _Bool init__r312; [L124] int init__tmp___3; [L125] _Bool init__r322; [L126] int init__tmp___4; [L127] int init__tmp___5; [L128] init__r121 = ep12 [L129] init__r131 = ep13 [L130] init__r211 = ep21 [L131] init__r231 = ep23 [L132] init__r311 = ep31 [L133] init__r321 = ep32 [L134] COND TRUE !(init__r121 == 0) [L136] init__tmp = 1 [L138] init__r122 = (_Bool)init__tmp [L139] COND TRUE !(init__r131 == 0) [L141] init__tmp___0 = 1 [L143] init__r132 = (_Bool)init__tmp___0 [L144] COND TRUE !(init__r211 == 0) [L146] init__tmp___1 = 1 [L148] init__r212 = (_Bool)init__tmp___1 [L149] COND TRUE !(init__r231 == 0) [L151] init__tmp___2 = 1 [L153] init__r232 = (_Bool)init__tmp___2 [L154] COND TRUE !(init__r311 == 0) [L156] init__tmp___3 = 1 [L158] init__r312 = (_Bool)init__tmp___3 [L159] COND TRUE !(init__r321 == 0) [L161] init__tmp___4 = 1 [L163] init__r322 = (_Bool)init__tmp___4 [L164] COND TRUE ((int)id1) != ((int)id2) [L166] COND TRUE ((int)id1) != ((int)id3) [L168] COND TRUE ((int)id2) != ((int)id3) [L170] COND TRUE ((int)id1) >= 0 [L172] COND TRUE ((int)id2) >= 0 [L174] COND TRUE ((int)id3) >= 0 [L176] COND TRUE ((int)r1) == 0 [L178] COND TRUE ((int)r2) == 0 [L180] COND TRUE ((int)r3) == 0 [L182] COND TRUE !(init__r122 == 0) [L184] COND TRUE !(init__r132 == 0) [L186] COND TRUE !(init__r212 == 0) [L188] COND TRUE !(init__r232 == 0) [L190] COND TRUE !(init__r312 == 0) [L192] COND TRUE !(init__r322 == 0) [L194] COND TRUE ((int)max1) == ((int)id1) [L196] COND TRUE ((int)max2) == ((int)id2) [L198] COND TRUE ((int)max3) == ((int)id3) [L200] COND TRUE ((int)st1) == 0 [L202] COND TRUE ((int)st2) == 0 [L204] COND TRUE ((int)st3) == 0 [L206] COND TRUE ((int)nl1) == 0 [L208] COND TRUE ((int)nl2) == 0 [L210] COND TRUE ((int)nl3) == 0 [L212] COND TRUE ((int)mode1) == 0 [L214] COND TRUE ((int)mode2) == 0 [L216] COND TRUE ((int)mode3) == 0 [L218] COND TRUE !(newmax1 == 0) [L220] COND TRUE !(newmax2 == 0) [L222] COND TRUE !(newmax3 == 0) [L224] init__tmp___5 = 1 [L225] __return_1248 = init__tmp___5 [L226] main__i2 = __return_1248 [L227] COND TRUE main__i2 != 0 [L229] p12_old = nomsg [L230] p12_new = nomsg [L231] p13_old = nomsg [L232] p13_new = nomsg [L233] p21_old = nomsg [L234] p21_new = nomsg [L235] p23_old = nomsg [L236] p23_new = nomsg [L237] p31_old = nomsg [L238] p31_new = nomsg [L239] p32_old = nomsg [L240] p32_new = nomsg [L241] main__i2 = 0 [L243] _Bool node1__newmax; [L244] node1__newmax = 0 [L245] COND FALSE !(!(mode1 == 0)) [L251] COND TRUE ((int)r1) < 2 [L253] COND FALSE !(!(ep12 == 0)) [L266] COND FALSE !(!(ep13 == 0)) [L279] mode1 = 1 [L281] _Bool node2__newmax; [L282] node2__newmax = 0 [L283] COND FALSE !(!(mode2 == 0)) [L289] COND TRUE ((int)r2) < 2 [L291] COND FALSE !(!(ep21 == 0)) [L304] COND FALSE !(!(ep23 == 0)) [L317] mode2 = 1 [L319] _Bool node3__newmax; [L320] node3__newmax = 0 [L321] COND FALSE !(!(mode3 == 0)) [L327] COND TRUE ((int)r3) < 2 [L329] COND FALSE !(!(ep31 == 0)) [L342] COND FALSE !(!(ep32 == 0)) [L355] mode3 = 1 [L356] p12_old = p12_new [L357] p12_new = nomsg [L358] p13_old = p13_new [L359] p13_new = nomsg [L360] p21_old = p21_new [L361] p21_new = nomsg [L362] p23_old = p23_new [L363] p23_new = nomsg [L364] p31_old = p31_new [L365] p31_new = nomsg [L366] p32_old = p32_new [L367] p32_new = nomsg [L369] int check__tmp; [L370] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L372] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L374] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L376] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L378] COND FALSE !(((int)r1) >= 2) [L384] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L386] COND TRUE ((int)r1) < 2 [L388] COND FALSE !(((int)r1) >= 2) [L394] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L396] COND TRUE ((int)r1) < 2 [L398] check__tmp = 1 [L399] __return_1394 = check__tmp [L400] main__c1 = __return_1394 [L402] _Bool __tmp_1; [L403] __tmp_1 = main__c1 [L404] _Bool assert__arg; [L405] assert__arg = __tmp_1 [L406] COND FALSE !(assert__arg == 0) [L413] _Bool node1__newmax; [L414] node1__newmax = 0 [L415] COND TRUE !(mode1 == 0) [L417] COND FALSE !(r1 == 255) [L423] r1 = r1 + 1 [L424] COND FALSE !(!(ep21 == 0)) [L433] COND FALSE !(!(ep31 == 0)) [L442] newmax1 = node1__newmax [L443] COND TRUE ((int)r1) == 1 [L445] COND FALSE !(((int)max1) == ((int)id1)) [L659] nl1 = 1 [L660] mode1 = 0 [L662] _Bool node2__newmax; [L663] node2__newmax = 0 [L664] COND TRUE !(mode2 == 0) [L666] COND FALSE !(r2 == 255) [L672] r2 = r2 + 1 [L673] COND FALSE !(!(ep12 == 0)) [L682] COND FALSE !(!(ep32 == 0)) [L691] newmax2 = node2__newmax [L692] COND FALSE !(((int)r2) == 2) [L698] mode2 = 0 [L700] _Bool node3__newmax; [L701] node3__newmax = 0 [L702] COND TRUE !(mode3 == 0) [L704] COND FALSE !(r3 == 255) [L710] r3 = r3 + 1 [L711] COND FALSE !(!(ep13 == 0)) [L720] COND FALSE !(!(ep23 == 0)) [L729] newmax3 = node3__newmax [L730] COND FALSE !(((int)r3) == 2) [L736] mode3 = 0 [L737] p12_old = p12_new [L738] p12_new = nomsg [L739] p13_old = p13_new [L740] p13_new = nomsg [L741] p21_old = p21_new [L742] p21_new = nomsg [L743] p23_old = p23_new [L744] p23_new = nomsg [L745] p31_old = p31_new [L746] p31_new = nomsg [L747] p32_old = p32_new [L748] p32_new = nomsg [L750] int check__tmp; [L751] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L753] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L755] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L757] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L759] COND FALSE !(((int)r1) >= 2) [L765] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L767] COND TRUE ((int)r1) < 2 [L769] COND FALSE !(((int)r1) >= 2) [L775] COND FALSE !(((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0) [L781] check__tmp = 0 [L782] __return_1528 = check__tmp [L783] main__c1 = __return_1528 [L786] _Bool __tmp_3; [L787] __tmp_3 = main__c1 [L788] _Bool assert__arg; [L789] assert__arg = __tmp_3 [L790] COND TRUE assert__arg == 0 [L792] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...