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_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:44:51,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:44:51,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:44:51,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:44:51,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:44:51,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:44:51,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:44:51,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:44:51,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:44:51,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:44:51,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:44:51,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:44:51,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:44:51,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:44:51,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:44:51,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:44:51,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:44:51,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:44:51,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:44:51,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:44:51,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:44:51,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:44:51,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:44:51,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:44:51,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:44:51,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:44:51,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:44:51,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:44:51,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:44:51,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:44:51,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:44:51,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:44:51,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:44:51,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:44:51,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:44:51,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:44:51,125 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 [2019-10-14 00:44:51,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:44:51,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:44:51,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:44:51,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:44:51,141 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:44:51,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:44:51,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:44:51,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:44:51,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:44:51,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:44:51,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:44:51,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:44:51,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:44:51,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:44:51,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:44:51,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:44:51,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:44:51,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:44:51,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:44:51,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:44:51,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:44:51,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:44:51,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:44:51,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:44:51,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:44:51,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:44:51,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:44:51,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:44:51,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:44:51,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:44:51,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:44:51,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:44:51,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:44:51,440 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:44:51,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-10-14 00:44:51,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868e90d33/e5f1df96f18e404b822777c26f8f088d/FLAG3bfa11284 [2019-10-14 00:44:52,067 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:44:52,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-10-14 00:44:52,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868e90d33/e5f1df96f18e404b822777c26f8f088d/FLAG3bfa11284 [2019-10-14 00:44:52,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868e90d33/e5f1df96f18e404b822777c26f8f088d [2019-10-14 00:44:52,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:44:52,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:44:52,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:44:52,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:44:52,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:44:52,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:52" (1/1) ... [2019-10-14 00:44:52,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2fb7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:52, skipping insertion in model container [2019-10-14 00:44:52,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:52" (1/1) ... [2019-10-14 00:44:52,363 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:44:52,437 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:44:52,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:44:52,973 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:44:53,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:44:53,162 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:44:53,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53 WrapperNode [2019-10-14 00:44:53,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:44:53,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:44:53,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:44:53,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:44:53,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (1/1) ... [2019-10-14 00:44:53,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:44:53,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:44:53,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:44:53,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:44:53,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:53" (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 [2019-10-14 00:44:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:44:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:44:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:44:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:44:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-14 00:44:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-14 00:44:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 00:44:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-14 00:44:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:44:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-14 00:44:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-14 00:44:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-14 00:44:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-14 00:44:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-14 00:44:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-14 00:44:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-14 00:44:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:44:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:44:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:44:54,878 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:44:54,879 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:44:54,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:54 BoogieIcfgContainer [2019-10-14 00:44:54,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:44:54,881 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:44:54,881 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:44:54,881 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:44:54,882 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:54" (1/1) ... [2019-10-14 00:44:54,931 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:44:55,171 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-14 00:45:01,353 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:45:01,441 INFO L272 AbstractInterpreter]: Visited 524 different actions 10618 times. Merged at 350 different actions 5680 times. Widened at 94 different actions 931 times. Performed 29015 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29015 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3170 fixpoints after 228 different actions. Largest state had 194 variables. [2019-10-14 00:45:01,441 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:45:01,445 INFO L168 Benchmark]: Toolchain (without parser) took 9096.62 ms. Allocated memory was 138.9 MB in the beginning and 450.4 MB in the end (delta: 311.4 MB). Free memory was 99.2 MB in the beginning and 105.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 305.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:45:01,446 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 118.6 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:45:01,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.54 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 172.1 MB in the end (delta: -73.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:45:01,450 INFO L168 Benchmark]: Boogie Preprocessor took 86.21 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 167.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:45:01,452 INFO L168 Benchmark]: RCFGBuilder took 1630.46 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 167.7 MB in the beginning and 163.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:45:01,454 INFO L168 Benchmark]: Abstract Interpretation took 6560.28 ms. Allocated memory was 232.8 MB in the beginning and 450.4 MB in the end (delta: 217.6 MB). Free memory was 163.3 MB in the beginning and 105.4 MB in the end (delta: 58.0 MB). Peak memory consumption was 275.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:45:01,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 118.6 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.54 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 172.1 MB in the end (delta: -73.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.21 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 167.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1630.46 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 167.7 MB in the beginning and 163.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6560.28 ms. Allocated memory was 232.8 MB in the beginning and 450.4 MB in the end (delta: 217.6 MB). Free memory was 163.3 MB in the beginning and 105.4 MB in the end (delta: 58.0 MB). Peak memory consumption was 275.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 823]: 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] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1719; [L66] int __return_1847; [L67] int __return_1965; [L68] int __return_2067; [L69] int __return_2190; [L70] int __return_2300; [L73] int main__c1; [L74] int main__i2; [L75] main__c1 = 0 [L76] ep12 = __VERIFIER_nondet_bool() [L77] ep13 = __VERIFIER_nondet_bool() [L78] ep21 = __VERIFIER_nondet_bool() [L79] ep23 = __VERIFIER_nondet_bool() [L80] ep31 = __VERIFIER_nondet_bool() [L81] ep32 = __VERIFIER_nondet_bool() [L82] id1 = __VERIFIER_nondet_char() [L83] r1 = __VERIFIER_nondet_uchar() [L84] st1 = __VERIFIER_nondet_char() [L85] nl1 = __VERIFIER_nondet_char() [L86] m1 = __VERIFIER_nondet_char() [L87] max1 = __VERIFIER_nondet_char() [L88] mode1 = __VERIFIER_nondet_bool() [L89] id2 = __VERIFIER_nondet_char() [L90] r2 = __VERIFIER_nondet_uchar() [L91] st2 = __VERIFIER_nondet_char() [L92] nl2 = __VERIFIER_nondet_char() [L93] m2 = __VERIFIER_nondet_char() [L94] max2 = __VERIFIER_nondet_char() [L95] mode2 = __VERIFIER_nondet_bool() [L96] id3 = __VERIFIER_nondet_char() [L97] r3 = __VERIFIER_nondet_uchar() [L98] st3 = __VERIFIER_nondet_char() [L99] nl3 = __VERIFIER_nondet_char() [L100] m3 = __VERIFIER_nondet_char() [L101] max3 = __VERIFIER_nondet_char() [L102] mode3 = __VERIFIER_nondet_bool() [L104] _Bool init__r121; [L105] _Bool init__r131; [L106] _Bool init__r211; [L107] _Bool init__r231; [L108] _Bool init__r311; [L109] _Bool init__r321; [L110] _Bool init__r122; [L111] int init__tmp; [L112] _Bool init__r132; [L113] int init__tmp___0; [L114] _Bool init__r212; [L115] int init__tmp___1; [L116] _Bool init__r232; [L117] int init__tmp___2; [L118] _Bool init__r312; [L119] int init__tmp___3; [L120] _Bool init__r322; [L121] int init__tmp___4; [L122] int init__tmp___5; [L123] init__r121 = ep12 [L124] init__r131 = ep13 [L125] init__r211 = ep21 [L126] init__r231 = ep23 [L127] init__r311 = ep31 [L128] init__r321 = ep32 [L129] COND TRUE !(init__r121 == 0) [L131] init__tmp = 1 [L133] init__r122 = (_Bool)init__tmp [L134] COND TRUE !(init__r131 == 0) [L136] init__tmp___0 = 1 [L138] init__r132 = (_Bool)init__tmp___0 [L139] COND TRUE !(init__r211 == 0) [L141] init__tmp___1 = 1 [L143] init__r212 = (_Bool)init__tmp___1 [L144] COND TRUE !(init__r231 == 0) [L146] init__tmp___2 = 1 [L148] init__r232 = (_Bool)init__tmp___2 [L149] COND TRUE !(init__r311 == 0) [L151] init__tmp___3 = 1 [L153] init__r312 = (_Bool)init__tmp___3 [L154] COND TRUE !(init__r321 == 0) [L156] init__tmp___4 = 1 [L158] init__r322 = (_Bool)init__tmp___4 [L159] COND TRUE ((int)id1) != ((int)id2) [L161] COND TRUE ((int)id1) != ((int)id3) [L163] COND TRUE ((int)id2) != ((int)id3) [L165] COND TRUE ((int)id1) >= 0 [L167] COND TRUE ((int)id2) >= 0 [L169] COND TRUE ((int)id3) >= 0 [L171] COND TRUE ((int)r1) == 0 [L173] COND TRUE ((int)r2) == 0 [L175] COND TRUE ((int)r3) == 0 [L177] COND TRUE !(init__r122 == 0) [L179] COND TRUE !(init__r132 == 0) [L181] COND TRUE !(init__r212 == 0) [L183] COND TRUE !(init__r232 == 0) [L185] COND TRUE !(init__r312 == 0) [L187] COND TRUE !(init__r322 == 0) [L189] COND TRUE ((int)max1) == ((int)id1) [L191] COND TRUE ((int)max2) == ((int)id2) [L193] COND TRUE ((int)max3) == ((int)id3) [L195] COND TRUE ((int)st1) == 0 [L197] COND TRUE ((int)st2) == 0 [L199] COND TRUE ((int)st3) == 0 [L201] COND TRUE ((int)nl1) == 0 [L203] COND TRUE ((int)nl2) == 0 [L205] COND TRUE ((int)nl3) == 0 [L207] COND TRUE ((int)mode1) == 0 [L209] COND TRUE ((int)mode2) == 0 [L211] COND TRUE ((int)mode3) == 0 [L213] init__tmp___5 = 1 [L214] __return_1719 = init__tmp___5 [L215] main__i2 = __return_1719 [L216] COND TRUE main__i2 != 0 [L218] p12_old = nomsg [L219] p12_new = nomsg [L220] p13_old = nomsg [L221] p13_new = nomsg [L222] p21_old = nomsg [L223] p21_new = nomsg [L224] p23_old = nomsg [L225] p23_new = nomsg [L226] p31_old = nomsg [L227] p31_new = nomsg [L228] p32_old = nomsg [L229] p32_new = nomsg [L230] main__i2 = 0 [L232] COND FALSE !(!(mode1 == 0)) [L238] COND TRUE ((int)r1) < 1 [L240] COND FALSE !(!(ep12 == 0)) [L251] COND FALSE !(!(ep13 == 0)) [L262] mode1 = 1 [L264] COND FALSE !(!(mode2 == 0)) [L270] COND TRUE ((int)r2) < 2 [L272] COND FALSE !(!(ep21 == 0)) [L283] COND FALSE !(!(ep23 == 0)) [L294] mode2 = 1 [L296] COND FALSE !(!(mode3 == 0)) [L302] COND TRUE ((int)r3) < 2 [L304] COND FALSE !(!(ep31 == 0)) [L315] COND FALSE !(!(ep32 == 0)) [L326] mode3 = 1 [L327] p12_old = p12_new [L328] p12_new = nomsg [L329] p13_old = p13_new [L330] p13_new = nomsg [L331] p21_old = p21_new [L332] p21_new = nomsg [L333] p23_old = p23_new [L334] p23_new = nomsg [L335] p31_old = p31_new [L336] p31_new = nomsg [L337] p32_old = p32_new [L338] p32_new = nomsg [L340] int check__tmp; [L341] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L343] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L345] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L347] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L349] COND FALSE !(((int)r1) >= 2) [L355] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L357] COND TRUE ((int)r1) < 2 [L359] COND FALSE !(((int)r1) >= 2) [L365] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L367] COND TRUE ((int)r1) < 2 [L369] check__tmp = 1 [L370] __return_1847 = check__tmp [L371] main__c1 = __return_1847 [L373] _Bool __tmp_1; [L374] __tmp_1 = main__c1 [L375] _Bool assert__arg; [L376] assert__arg = __tmp_1 [L377] COND FALSE !(assert__arg == 0) [L384] COND TRUE !(mode1 == 0) [L386] COND FALSE !(r1 == 255) [L392] r1 = r1 + 1 [L393] COND FALSE !(!(ep21 == 0)) [L401] COND FALSE !(!(ep31 == 0)) [L409] COND FALSE !(((int)r1) == 2) [L415] mode1 = 0 [L417] COND TRUE !(mode2 == 0) [L419] COND FALSE !(r2 == 255) [L425] r2 = r2 + 1 [L426] COND FALSE !(!(ep12 == 0)) [L434] COND FALSE !(!(ep32 == 0)) [L442] COND FALSE !(((int)r2) == 2) [L448] mode2 = 0 [L450] COND TRUE !(mode3 == 0) [L452] COND FALSE !(r3 == 255) [L458] r3 = r3 + 1 [L459] COND FALSE !(!(ep13 == 0)) [L467] COND FALSE !(!(ep23 == 0)) [L475] COND FALSE !(((int)r3) == 2) [L481] mode3 = 0 [L482] p12_old = p12_new [L483] p12_new = nomsg [L484] p13_old = p13_new [L485] p13_new = nomsg [L486] p21_old = p21_new [L487] p21_new = nomsg [L488] p23_old = p23_new [L489] p23_new = nomsg [L490] p31_old = p31_new [L491] p31_new = nomsg [L492] p32_old = p32_new [L493] p32_new = nomsg [L495] int check__tmp; [L496] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L498] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L500] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L502] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L504] COND FALSE !(((int)r1) >= 2) [L510] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L512] COND TRUE ((int)r1) < 2 [L514] COND FALSE !(((int)r1) >= 2) [L520] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L522] COND TRUE ((int)r1) < 2 [L524] check__tmp = 1 [L525] __return_1965 = check__tmp [L526] main__c1 = __return_1965 [L528] _Bool __tmp_2; [L529] __tmp_2 = main__c1 [L530] _Bool assert__arg; [L531] assert__arg = __tmp_2 [L532] COND FALSE !(assert__arg == 0) [L539] COND FALSE !(!(mode1 == 0)) [L545] COND FALSE !(((int)r1) < 1) [L551] mode1 = 1 [L553] COND FALSE !(!(mode2 == 0)) [L559] COND TRUE ((int)r2) < 2 [L561] COND FALSE !(!(ep21 == 0)) [L572] COND FALSE !(!(ep23 == 0)) [L583] mode2 = 1 [L585] COND FALSE !(!(mode3 == 0)) [L591] COND TRUE ((int)r3) < 2 [L593] COND FALSE !(!(ep31 == 0)) [L604] COND FALSE !(!(ep32 == 0)) [L615] mode3 = 1 [L616] p12_old = p12_new [L617] p12_new = nomsg [L618] p13_old = p13_new [L619] p13_new = nomsg [L620] p21_old = p21_new [L621] p21_new = nomsg [L622] p23_old = p23_new [L623] p23_new = nomsg [L624] p31_old = p31_new [L625] p31_new = nomsg [L626] p32_old = p32_new [L627] p32_new = nomsg [L629] int check__tmp; [L630] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L632] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L634] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L636] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L638] COND FALSE !(((int)r1) >= 2) [L644] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L646] COND TRUE ((int)r1) < 2 [L648] COND FALSE !(((int)r1) >= 2) [L654] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L656] COND TRUE ((int)r1) < 2 [L658] check__tmp = 1 [L659] __return_2067 = check__tmp [L660] main__c1 = __return_2067 [L662] _Bool __tmp_3; [L663] __tmp_3 = main__c1 [L664] _Bool assert__arg; [L665] assert__arg = __tmp_3 [L666] COND FALSE !(assert__arg == 0) [L673] COND TRUE !(mode1 == 0) [L675] COND FALSE !(r1 == 255) [L681] r1 = r1 + 1 [L682] COND FALSE !(!(ep21 == 0)) [L690] COND FALSE !(!(ep31 == 0)) [L698] COND TRUE ((int)r1) == 2 [L700] COND FALSE !(((int)max1) == ((int)id1)) [L1507] nl1 = 1 [L704] mode1 = 0 [L706] COND TRUE !(mode2 == 0) [L708] COND FALSE !(r2 == 255) [L714] r2 = r2 + 1 [L715] COND FALSE !(!(ep12 == 0)) [L723] COND FALSE !(!(ep32 == 0)) [L731] COND TRUE ((int)r2) == 2 [L733] COND TRUE ((int)max2) == ((int)id2) [L735] st2 = 1 [L737] mode2 = 0 [L739] COND TRUE !(mode3 == 0) [L741] COND FALSE !(r3 == 255) [L747] r3 = r3 + 1 [L748] COND FALSE !(!(ep13 == 0)) [L756] COND FALSE !(!(ep23 == 0)) [L764] COND TRUE ((int)r3) == 2 [L766] COND TRUE ((int)max3) == ((int)id3) [L768] st3 = 1 [L770] mode3 = 0 [L771] p12_old = p12_new [L772] p12_new = nomsg [L773] p13_old = p13_new [L774] p13_new = nomsg [L775] p21_old = p21_new [L776] p21_new = nomsg [L777] p23_old = p23_new [L778] p23_new = nomsg [L779] p31_old = p31_new [L780] p31_new = nomsg [L781] p32_old = p32_new [L782] p32_new = nomsg [L784] int check__tmp; [L785] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1424] check__tmp = 0 [L813] __return_2190 = check__tmp [L814] main__c1 = __return_2190 [L817] _Bool __tmp_4; [L818] __tmp_4 = main__c1 [L819] _Bool assert__arg; [L820] assert__arg = __tmp_4 [L821] COND TRUE assert__arg == 0 [L823] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...