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.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:15,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:15,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:15,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:15,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:15,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:15,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:15,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:15,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:15,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:15,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:15,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:15,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:15,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:15,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:15,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:15,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:15,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:15,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:15,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:15,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:15,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:15,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:15,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:15,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:11:15,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:15,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:15,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:15,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:15,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:15,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:15,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:15,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:15,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:15,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:15,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:15,856 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 17:11:15,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:15,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:15,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:15,871 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:15,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:15,871 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:15,872 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:15,872 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:15,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:15,872 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:15,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:15,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:15,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:15,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:15,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:15,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:15,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:15,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:15,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:15,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:15,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:15,875 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:15,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:15,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:15,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:15,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:15,876 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:15,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:15,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:15,876 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:15,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:15,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:15,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:15,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:15,925 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:15,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:15,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3eeb9f6c/95206da4cfad447eb721f85b46c1dcc4/FLAGd9e171e54 [2019-09-11 17:11:16,560 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:16,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:16,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3eeb9f6c/95206da4cfad447eb721f85b46c1dcc4/FLAGd9e171e54 [2019-09-11 17:11:16,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3eeb9f6c/95206da4cfad447eb721f85b46c1dcc4 [2019-09-11 17:11:16,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:16,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:16,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:16,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:16,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:16,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:16" (1/1) ... [2019-09-11 17:11:16,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d8d0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:16, skipping insertion in model container [2019-09-11 17:11:16,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:16" (1/1) ... [2019-09-11 17:11:16,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:16,883 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:18,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:18,028 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:18,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:18,444 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:18,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18 WrapperNode [2019-09-11 17:11:18,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:18,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:18,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:18,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:18,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (1/1) ... [2019-09-11 17:11:18,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:18,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:18,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:18,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:18,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:18" (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 17:11:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:11:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:11:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:21,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:21,348 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:21,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:21 BoogieIcfgContainer [2019-09-11 17:11:21,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:21,352 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:21,352 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:21,353 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:21,354 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:21" (1/1) ... [2019-09-11 17:11:21,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:11:21,697 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:11:52,961 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:11:53,068 INFO L272 AbstractInterpreter]: Visited 1237 different actions 50886 times. Merged at 795 different actions 27470 times. Widened at 250 different actions 4080 times. Performed 151401 root evaluator evaluations with a maximum evaluation depth of 6. Performed 151401 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14534 fixpoints after 552 different actions. Largest state had 355 variables. [2019-09-11 17:11:53,069 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:11:53,071 INFO L168 Benchmark]: Toolchain (without parser) took 36297.03 ms. Allocated memory was 134.2 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 86.8 MB in the beginning and 714.7 MB in the end (delta: -627.9 MB). Peak memory consumption was 748.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:53,072 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:11:53,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1671.64 ms. Allocated memory was 134.2 MB in the beginning and 220.7 MB in the end (delta: 86.5 MB). Free memory was 86.6 MB in the beginning and 169.0 MB in the end (delta: -82.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:53,075 INFO L168 Benchmark]: Boogie Preprocessor took 247.43 ms. Allocated memory is still 220.7 MB. Free memory was 169.0 MB in the beginning and 161.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:53,077 INFO L168 Benchmark]: RCFGBuilder took 2657.76 ms. Allocated memory was 220.7 MB in the beginning and 267.9 MB in the end (delta: 47.2 MB). Free memory was 161.2 MB in the beginning and 152.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:53,078 INFO L168 Benchmark]: Abstract Interpretation took 31716.31 ms. Allocated memory was 267.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 152.0 MB in the beginning and 714.7 MB in the end (delta: -562.7 MB). Peak memory consumption was 680.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:53,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1671.64 ms. Allocated memory was 134.2 MB in the beginning and 220.7 MB in the end (delta: 86.5 MB). Free memory was 86.6 MB in the beginning and 169.0 MB in the end (delta: -82.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 247.43 ms. Allocated memory is still 220.7 MB. Free memory was 169.0 MB in the beginning and 161.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2657.76 ms. Allocated memory was 220.7 MB in the beginning and 267.9 MB in the end (delta: 47.2 MB). Free memory was 161.2 MB in the beginning and 152.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 31716.31 ms. Allocated memory was 267.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 152.0 MB in the beginning and 714.7 MB in the end (delta: -562.7 MB). Peak memory consumption was 680.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1858]: 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_4268; [L98] int __return_4478; [L99] int __return_4662; [L100] int __return_4850; [L101] int __return_5034; [L102] int __return_5222; [L103] int __return_5415; [L104] int __return_5592; [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 ((int)max1) == ((int)id1) [L374] COND TRUE ((int)max2) == ((int)id2) [L376] COND TRUE ((int)max3) == ((int)id3) [L378] COND TRUE ((int)max4) == ((int)id4) [L380] COND TRUE ((int)st1) == 0 [L382] COND TRUE ((int)st2) == 0 [L384] COND TRUE ((int)st3) == 0 [L386] COND TRUE ((int)st4) == 0 [L388] COND TRUE ((int)nl1) == 0 [L390] COND TRUE ((int)nl2) == 0 [L392] COND TRUE ((int)nl3) == 0 [L394] COND TRUE ((int)nl4) == 0 [L396] COND TRUE ((int)mode1) == 0 [L398] COND TRUE ((int)mode2) == 0 [L400] COND TRUE ((int)mode3) == 0 [L402] COND TRUE ((int)mode4) == 0 [L404] init__tmp___23 = 1 [L405] __return_4268 = init__tmp___23 [L406] main__i2 = __return_4268 [L407] COND TRUE main__i2 != 0 [L409] p12_old = nomsg [L410] p12_new = nomsg [L411] p13_old = nomsg [L412] p13_new = nomsg [L413] p14_old = nomsg [L414] p14_new = nomsg [L415] p21_old = nomsg [L416] p21_new = nomsg [L417] p23_old = nomsg [L418] p23_new = nomsg [L419] p24_old = nomsg [L420] p24_new = nomsg [L421] p31_old = nomsg [L422] p31_new = nomsg [L423] p32_old = nomsg [L424] p32_new = nomsg [L425] p34_old = nomsg [L426] p34_new = nomsg [L427] p41_old = nomsg [L428] p41_new = nomsg [L429] p42_old = nomsg [L430] p42_new = nomsg [L431] p43_old = nomsg [L432] p43_new = nomsg [L433] main__i2 = 0 [L435] COND FALSE !(!(mode1 == 0)) [L441] COND TRUE ((int)r1) < 3 [L443] COND FALSE !(!(ep12 == 0)) [L454] COND FALSE !(!(ep13 == 0)) [L465] COND FALSE !(!(ep14 == 0)) [L476] mode1 = 1 [L478] COND FALSE !(!(mode2 == 0)) [L484] COND TRUE ((int)r2) < 3 [L486] COND FALSE !(!(ep21 == 0)) [L497] COND FALSE !(!(ep23 == 0)) [L508] COND FALSE !(!(ep24 == 0)) [L519] mode2 = 1 [L521] COND FALSE !(!(mode3 == 0)) [L527] COND TRUE ((int)r3) < 3 [L529] COND FALSE !(!(ep31 == 0)) [L540] COND FALSE !(!(ep32 == 0)) [L551] COND FALSE !(!(ep34 == 0)) [L562] mode3 = 1 [L564] COND FALSE !(!(mode4 == 0)) [L570] COND TRUE ((int)r4) < 3 [L572] COND FALSE !(!(ep41 == 0)) [L583] COND FALSE !(!(ep42 == 0)) [L594] COND FALSE !(!(ep43 == 0)) [L605] mode4 = 1 [L606] p12_old = p12_new [L607] p12_new = nomsg [L608] p13_old = p13_new [L609] p13_new = nomsg [L610] p14_old = p14_new [L611] p14_new = nomsg [L612] p21_old = p21_new [L613] p21_new = nomsg [L614] p23_old = p23_new [L615] p23_new = nomsg [L616] p24_old = p24_new [L617] p24_new = nomsg [L618] p31_old = p31_new [L619] p31_new = nomsg [L620] p32_old = p32_new [L621] p32_new = nomsg [L622] p34_old = p34_new [L623] p34_new = nomsg [L624] p41_old = p41_new [L625] p41_new = nomsg [L626] p42_old = p42_new [L627] p42_new = nomsg [L628] p43_old = p43_new [L629] p43_new = nomsg [L631] int check__tmp; [L632] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L634] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L636] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L638] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L640] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L642] COND FALSE !(((int)r1) >= 3) [L648] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L650] COND TRUE ((int)r1) < 3 [L652] COND FALSE !(((int)r1) >= 3) [L658] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L660] COND TRUE ((int)r1) < 3 [L662] check__tmp = 1 [L663] __return_4478 = check__tmp [L664] main__c1 = __return_4478 [L666] _Bool __tmp_1; [L667] __tmp_1 = main__c1 [L668] _Bool assert__arg; [L669] assert__arg = __tmp_1 [L670] COND FALSE !(assert__arg == 0) [L677] COND TRUE !(mode1 == 0) [L679] COND FALSE !(r1 == 255) [L685] r1 = r1 + 1 [L686] COND FALSE !(!(ep21 == 0)) [L694] COND FALSE !(!(ep31 == 0)) [L702] COND FALSE !(!(ep41 == 0)) [L710] COND FALSE !(((int)r1) == 3) [L716] mode1 = 0 [L718] COND TRUE !(mode2 == 0) [L720] COND FALSE !(r2 == 255) [L726] r2 = r2 + 1 [L727] COND FALSE !(!(ep12 == 0)) [L735] COND FALSE !(!(ep32 == 0)) [L743] COND FALSE !(!(ep42 == 0)) [L751] COND FALSE !(((int)r2) == 3) [L757] mode2 = 0 [L759] COND TRUE !(mode3 == 0) [L761] COND FALSE !(r3 == 255) [L767] r3 = r3 + 1 [L768] COND FALSE !(!(ep13 == 0)) [L776] COND FALSE !(!(ep23 == 0)) [L784] COND FALSE !(!(ep43 == 0)) [L792] COND FALSE !(((int)r3) == 3) [L798] mode3 = 0 [L800] COND TRUE !(mode4 == 0) [L802] COND FALSE !(r4 == 255) [L808] r4 = r4 + 1 [L809] COND FALSE !(!(ep14 == 0)) [L817] COND FALSE !(!(ep24 == 0)) [L825] COND FALSE !(!(ep34 == 0)) [L833] COND FALSE !(((int)r4) == 3) [L839] mode4 = 0 [L840] p12_old = p12_new [L841] p12_new = nomsg [L842] p13_old = p13_new [L843] p13_new = nomsg [L844] p14_old = p14_new [L845] p14_new = nomsg [L846] p21_old = p21_new [L847] p21_new = nomsg [L848] p23_old = p23_new [L849] p23_new = nomsg [L850] p24_old = p24_new [L851] p24_new = nomsg [L852] p31_old = p31_new [L853] p31_new = nomsg [L854] p32_old = p32_new [L855] p32_new = nomsg [L856] p34_old = p34_new [L857] p34_new = nomsg [L858] p41_old = p41_new [L859] p41_new = nomsg [L860] p42_old = p42_new [L861] p42_new = nomsg [L862] p43_old = p43_new [L863] p43_new = nomsg [L865] int check__tmp; [L866] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L868] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L870] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L872] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L874] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L876] COND FALSE !(((int)r1) >= 3) [L882] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L884] COND TRUE ((int)r1) < 3 [L886] COND FALSE !(((int)r1) >= 3) [L892] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L894] COND TRUE ((int)r1) < 3 [L896] check__tmp = 1 [L897] __return_4662 = check__tmp [L898] main__c1 = __return_4662 [L900] _Bool __tmp_2; [L901] __tmp_2 = main__c1 [L902] _Bool assert__arg; [L903] assert__arg = __tmp_2 [L904] COND FALSE !(assert__arg == 0) [L911] COND FALSE !(!(mode1 == 0)) [L917] COND TRUE ((int)r1) < 3 [L919] COND FALSE !(!(ep12 == 0)) [L930] COND FALSE !(!(ep13 == 0)) [L941] COND FALSE !(!(ep14 == 0)) [L952] mode1 = 1 [L954] COND FALSE !(!(mode2 == 0)) [L960] COND TRUE ((int)r2) < 3 [L962] COND FALSE !(!(ep21 == 0)) [L973] COND FALSE !(!(ep23 == 0)) [L984] COND FALSE !(!(ep24 == 0)) [L995] mode2 = 1 [L997] COND FALSE !(!(mode3 == 0)) [L1003] COND TRUE ((int)r3) < 3 [L1005] COND FALSE !(!(ep31 == 0)) [L1016] COND FALSE !(!(ep32 == 0)) [L1027] COND FALSE !(!(ep34 == 0)) [L1038] mode3 = 1 [L1040] COND FALSE !(!(mode4 == 0)) [L1046] COND TRUE ((int)r4) < 3 [L1048] COND FALSE !(!(ep41 == 0)) [L1059] COND FALSE !(!(ep42 == 0)) [L1070] COND FALSE !(!(ep43 == 0)) [L1081] mode4 = 1 [L1082] p12_old = p12_new [L1083] p12_new = nomsg [L1084] p13_old = p13_new [L1085] p13_new = nomsg [L1086] p14_old = p14_new [L1087] p14_new = nomsg [L1088] p21_old = p21_new [L1089] p21_new = nomsg [L1090] p23_old = p23_new [L1091] p23_new = nomsg [L1092] p24_old = p24_new [L1093] p24_new = nomsg [L1094] p31_old = p31_new [L1095] p31_new = nomsg [L1096] p32_old = p32_new [L1097] p32_new = nomsg [L1098] p34_old = p34_new [L1099] p34_new = nomsg [L1100] p41_old = p41_new [L1101] p41_new = nomsg [L1102] p42_old = p42_new [L1103] p42_new = nomsg [L1104] p43_old = p43_new [L1105] p43_new = nomsg [L1107] int check__tmp; [L1108] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1110] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1112] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1114] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1116] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1118] COND FALSE !(((int)r1) >= 3) [L1124] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1126] COND TRUE ((int)r1) < 3 [L1128] COND FALSE !(((int)r1) >= 3) [L1134] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1136] COND TRUE ((int)r1) < 3 [L1138] check__tmp = 1 [L1139] __return_4850 = check__tmp [L1140] main__c1 = __return_4850 [L1142] _Bool __tmp_3; [L1143] __tmp_3 = main__c1 [L1144] _Bool assert__arg; [L1145] assert__arg = __tmp_3 [L1146] COND FALSE !(assert__arg == 0) [L1153] COND TRUE !(mode1 == 0) [L1155] COND FALSE !(r1 == 255) [L1161] r1 = r1 + 1 [L1162] COND FALSE !(!(ep21 == 0)) [L1170] COND FALSE !(!(ep31 == 0)) [L1178] COND FALSE !(!(ep41 == 0)) [L1186] COND FALSE !(((int)r1) == 3) [L1192] mode1 = 0 [L1194] COND TRUE !(mode2 == 0) [L1196] COND FALSE !(r2 == 255) [L1202] r2 = r2 + 1 [L1203] COND FALSE !(!(ep12 == 0)) [L1211] COND FALSE !(!(ep32 == 0)) [L1219] COND FALSE !(!(ep42 == 0)) [L1227] COND FALSE !(((int)r2) == 3) [L1233] mode2 = 0 [L1235] COND TRUE !(mode3 == 0) [L1237] COND FALSE !(r3 == 255) [L1243] r3 = r3 + 1 [L1244] COND FALSE !(!(ep13 == 0)) [L1252] COND FALSE !(!(ep23 == 0)) [L1260] COND FALSE !(!(ep43 == 0)) [L1268] COND FALSE !(((int)r3) == 3) [L1274] mode3 = 0 [L1276] COND TRUE !(mode4 == 0) [L1278] COND FALSE !(r4 == 255) [L1284] r4 = r4 + 1 [L1285] COND FALSE !(!(ep14 == 0)) [L1293] COND FALSE !(!(ep24 == 0)) [L1301] COND FALSE !(!(ep34 == 0)) [L1309] COND FALSE !(((int)r4) == 3) [L1315] mode4 = 0 [L1316] p12_old = p12_new [L1317] p12_new = nomsg [L1318] p13_old = p13_new [L1319] p13_new = nomsg [L1320] p14_old = p14_new [L1321] p14_new = nomsg [L1322] p21_old = p21_new [L1323] p21_new = nomsg [L1324] p23_old = p23_new [L1325] p23_new = nomsg [L1326] p24_old = p24_new [L1327] p24_new = nomsg [L1328] p31_old = p31_new [L1329] p31_new = nomsg [L1330] p32_old = p32_new [L1331] p32_new = nomsg [L1332] p34_old = p34_new [L1333] p34_new = nomsg [L1334] p41_old = p41_new [L1335] p41_new = nomsg [L1336] p42_old = p42_new [L1337] p42_new = nomsg [L1338] p43_old = p43_new [L1339] p43_new = nomsg [L1341] int check__tmp; [L1342] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1344] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1346] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1348] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1350] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1352] COND FALSE !(((int)r1) >= 3) [L1358] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1360] COND TRUE ((int)r1) < 3 [L1362] COND FALSE !(((int)r1) >= 3) [L1368] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1370] COND TRUE ((int)r1) < 3 [L1372] check__tmp = 1 [L1373] __return_5034 = check__tmp [L1374] main__c1 = __return_5034 [L1376] _Bool __tmp_4; [L1377] __tmp_4 = main__c1 [L1378] _Bool assert__arg; [L1379] assert__arg = __tmp_4 [L1380] COND FALSE !(assert__arg == 0) [L1387] COND FALSE !(!(mode1 == 0)) [L1393] COND TRUE ((int)r1) < 3 [L1395] COND FALSE !(!(ep12 == 0)) [L1406] COND FALSE !(!(ep13 == 0)) [L1417] COND FALSE !(!(ep14 == 0)) [L1428] mode1 = 1 [L1430] COND FALSE !(!(mode2 == 0)) [L1436] COND TRUE ((int)r2) < 3 [L1438] COND FALSE !(!(ep21 == 0)) [L1449] COND FALSE !(!(ep23 == 0)) [L1460] COND FALSE !(!(ep24 == 0)) [L1471] mode2 = 1 [L1473] COND FALSE !(!(mode3 == 0)) [L1479] COND TRUE ((int)r3) < 3 [L1481] COND FALSE !(!(ep31 == 0)) [L1492] COND FALSE !(!(ep32 == 0)) [L1503] COND FALSE !(!(ep34 == 0)) [L1514] mode3 = 1 [L1516] COND FALSE !(!(mode4 == 0)) [L1522] COND TRUE ((int)r4) < 3 [L1524] COND FALSE !(!(ep41 == 0)) [L1535] COND FALSE !(!(ep42 == 0)) [L1546] COND FALSE !(!(ep43 == 0)) [L1557] mode4 = 1 [L1558] p12_old = p12_new [L1559] p12_new = nomsg [L1560] p13_old = p13_new [L1561] p13_new = nomsg [L1562] p14_old = p14_new [L1563] p14_new = nomsg [L1564] p21_old = p21_new [L1565] p21_new = nomsg [L1566] p23_old = p23_new [L1567] p23_new = nomsg [L1568] p24_old = p24_new [L1569] p24_new = nomsg [L1570] p31_old = p31_new [L1571] p31_new = nomsg [L1572] p32_old = p32_new [L1573] p32_new = nomsg [L1574] p34_old = p34_new [L1575] p34_new = nomsg [L1576] p41_old = p41_new [L1577] p41_new = nomsg [L1578] p42_old = p42_new [L1579] p42_new = nomsg [L1580] p43_old = p43_new [L1581] p43_new = nomsg [L1583] int check__tmp; [L1584] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1586] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1588] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1590] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1592] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1594] COND FALSE !(((int)r1) >= 3) [L1600] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1602] COND TRUE ((int)r1) < 3 [L1604] COND FALSE !(((int)r1) >= 3) [L1610] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1612] COND TRUE ((int)r1) < 3 [L1614] check__tmp = 1 [L1615] __return_5222 = check__tmp [L1616] main__c1 = __return_5222 [L1618] _Bool __tmp_5; [L1619] __tmp_5 = main__c1 [L1620] _Bool assert__arg; [L1621] assert__arg = __tmp_5 [L1622] COND FALSE !(assert__arg == 0) [L1629] COND TRUE !(mode1 == 0) [L1631] COND FALSE !(r1 == 255) [L1637] r1 = r1 + 1 [L1638] COND FALSE !(!(ep21 == 0)) [L1646] COND FALSE !(!(ep31 == 0)) [L1654] COND FALSE !(!(ep41 == 0)) [L1662] COND TRUE ((int)r1) == 3 [L1664] COND FALSE !(((int)max1) == ((int)id1)) [L2958] nl1 = 1 [L1668] mode1 = 0 [L1670] COND TRUE !(mode2 == 0) [L1672] COND FALSE !(r2 == 255) [L1678] r2 = r2 + 1 [L1679] COND FALSE !(!(ep12 == 0)) [L1687] COND FALSE !(!(ep32 == 0)) [L1695] COND FALSE !(!(ep42 == 0)) [L1703] COND TRUE ((int)r2) == 3 [L1705] COND FALSE !(((int)max2) == ((int)id2)) [L2910] nl2 = 1 [L1709] mode2 = 0 [L1711] COND TRUE !(mode3 == 0) [L1713] COND FALSE !(r3 == 255) [L1719] r3 = r3 + 1 [L1720] COND FALSE !(!(ep13 == 0)) [L1728] COND FALSE !(!(ep23 == 0)) [L1736] COND FALSE !(!(ep43 == 0)) [L1744] COND TRUE ((int)r3) == 3 [L1746] COND TRUE ((int)max3) == ((int)id3) [L1748] st3 = 1 [L1750] mode3 = 0 [L1752] COND TRUE !(mode4 == 0) [L1754] COND FALSE !(r4 == 255) [L1760] r4 = r4 + 1 [L1761] COND FALSE !(!(ep14 == 0)) [L1769] COND FALSE !(!(ep24 == 0)) [L1777] COND FALSE !(!(ep34 == 0)) [L1785] COND TRUE ((int)r4) == 3 [L1787] COND TRUE ((int)max4) == ((int)id4) [L1789] st4 = 1 [L1791] mode4 = 0 [L1792] p12_old = p12_new [L1793] p12_new = nomsg [L1794] p13_old = p13_new [L1795] p13_new = nomsg [L1796] p14_old = p14_new [L1797] p14_new = nomsg [L1798] p21_old = p21_new [L1799] p21_new = nomsg [L1800] p23_old = p23_new [L1801] p23_new = nomsg [L1802] p24_old = p24_new [L1803] p24_new = nomsg [L1804] p31_old = p31_new [L1805] p31_new = nomsg [L1806] p32_old = p32_new [L1807] p32_new = nomsg [L1808] p34_old = p34_new [L1809] p34_new = nomsg [L1810] p41_old = p41_new [L1811] p41_new = nomsg [L1812] p42_old = p42_new [L1813] p42_new = nomsg [L1814] p43_old = p43_new [L1815] p43_new = nomsg [L1817] int check__tmp; [L1818] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L2807] check__tmp = 0 [L1848] __return_5415 = check__tmp [L1849] main__c1 = __return_5415 [L1852] _Bool __tmp_6; [L1853] __tmp_6 = main__c1 [L1854] _Bool assert__arg; [L1855] assert__arg = __tmp_6 [L1856] COND TRUE assert__arg == 0 [L1858] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...