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.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:24,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:24,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:24,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:24,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:24,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:24,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:24,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:24,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:24,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:24,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:24,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:24,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:24,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:24,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:24,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:24,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:24,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:24,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:24,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:24,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:24,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:24,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:24,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:24,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:11:24,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:11:24,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:11:24,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:11:24,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:11:24,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:11:24,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:24,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:24,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:24,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:24,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:24,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:24,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:24,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:24,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:24,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:24,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:24,136 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 17:11:24,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:24,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:24,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:24,152 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:24,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:24,153 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:24,153 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:24,153 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:24,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:24,153 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:24,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:24,154 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:24,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:24,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:24,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:24,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:24,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:24,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:24,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:24,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:24,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:24,156 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:24,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:24,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:24,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:24,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:24,157 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:24,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:24,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:24,158 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:24,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:24,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:24,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:24,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:24,204 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:24,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-11 17:11:24,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e409ba0/a350c5c171d640bfab7073b1a562d16c/FLAG20b4bd299 [2019-09-11 17:11:24,874 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:24,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-11 17:11:24,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e409ba0/a350c5c171d640bfab7073b1a562d16c/FLAG20b4bd299 [2019-09-11 17:11:25,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e409ba0/a350c5c171d640bfab7073b1a562d16c [2019-09-11 17:11:25,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:25,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:25,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:25,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:25,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:25,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:25" (1/1) ... [2019-09-11 17:11:25,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b28937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:25, skipping insertion in model container [2019-09-11 17:11:25,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:25" (1/1) ... [2019-09-11 17:11:25,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:25,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:25,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:25,955 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:26,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:26,504 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:26,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26 WrapperNode [2019-09-11 17:11:26,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:26,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:26,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:26,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:26,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (1/1) ... [2019-09-11 17:11:26,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:26,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:26,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:26,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:26,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:26" (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 17:11:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:11:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:28,956 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:28,956 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:28,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:28 BoogieIcfgContainer [2019-09-11 17:11:28,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:28,959 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:28,959 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:28,960 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:28,960 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:28" (1/1) ... [2019-09-11 17:11:29,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:11:29,220 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:11:57,301 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:11:57,379 INFO L272 AbstractInterpreter]: Visited 1006 different actions 42659 times. Merged at 655 different actions 22972 times. Widened at 217 different actions 3218 times. Performed 130054 root evaluator evaluations with a maximum evaluation depth of 6. Performed 130054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 10624 fixpoints after 454 different actions. Largest state had 341 variables. [2019-09-11 17:11:57,380 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:11:57,382 INFO L168 Benchmark]: Toolchain (without parser) took 32263.99 ms. Allocated memory was 133.2 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 86.9 MB in the beginning and 947.7 MB in the end (delta: -860.8 MB). Peak memory consumption was 455.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:57,383 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:11:57,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1386.84 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 86.7 MB in the beginning and 148.4 MB in the end (delta: -61.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:57,385 INFO L168 Benchmark]: Boogie Preprocessor took 174.42 ms. Allocated memory is still 201.9 MB. Free memory was 148.4 MB in the beginning and 141.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:57,386 INFO L168 Benchmark]: RCFGBuilder took 2278.00 ms. Allocated memory was 201.9 MB in the beginning and 262.1 MB in the end (delta: 60.3 MB). Free memory was 141.5 MB in the beginning and 170.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:57,388 INFO L168 Benchmark]: Abstract Interpretation took 28420.48 ms. Allocated memory was 262.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 170.3 MB in the beginning and 947.7 MB in the end (delta: -777.4 MB). Peak memory consumption was 410.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:57,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1386.84 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 86.7 MB in the beginning and 148.4 MB in the end (delta: -61.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.42 ms. Allocated memory is still 201.9 MB. Free memory was 148.4 MB in the beginning and 141.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2278.00 ms. Allocated memory was 201.9 MB in the beginning and 262.1 MB in the end (delta: 60.3 MB). Free memory was 141.5 MB in the beginning and 170.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 28420.48 ms. Allocated memory was 262.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 170.3 MB in the beginning and 947.7 MB in the end (delta: -777.4 MB). Peak memory consumption was 410.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1377]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p14 = 0; [L21] char p14_old = '\x0'; [L22] char p14_new = '\x0'; [L23] _Bool ep14 = 0; [L24] port_t p21 = 0; [L25] char p21_old = '\x0'; [L26] char p21_new = '\x0'; [L27] _Bool ep21 = 0; [L28] port_t p23 = 0; [L29] char p23_old = '\x0'; [L30] char p23_new = '\x0'; [L31] _Bool ep23 = 0; [L32] port_t p24 = 0; [L33] char p24_old = '\x0'; [L34] char p24_new = '\x0'; [L35] _Bool ep24 = 0; [L36] port_t p31 = 0; [L37] char p31_old = '\x0'; [L38] char p31_new = '\x0'; [L39] _Bool ep31 = 0; [L40] port_t p32 = 0; [L41] char p32_old = '\x0'; [L42] char p32_new = '\x0'; [L43] _Bool ep32 = 0; [L44] port_t p34 = 0; [L45] char p34_old = '\x0'; [L46] char p34_new = '\x0'; [L47] _Bool ep34 = 0; [L48] port_t p41 = 0; [L49] char p41_old = '\x0'; [L50] char p41_new = '\x0'; [L51] _Bool ep41 = 0; [L52] port_t p42 = 0; [L53] char p42_old = '\x0'; [L54] char p42_new = '\x0'; [L55] _Bool ep42 = 0; [L56] port_t p43 = 0; [L57] char p43_old = '\x0'; [L58] char p43_new = '\x0'; [L59] _Bool ep43 = 0; [L60] char id1 = '\x0'; [L61] char r1 = '\x0'; [L62] char st1 = '\x0'; [L63] char nl1 = '\x0'; [L64] char m1 = '\x0'; [L65] char max1 = '\x0'; [L66] _Bool mode1 = 0; [L67] char id2 = '\x0'; [L68] char r2 = '\x0'; [L69] char st2 = '\x0'; [L70] char nl2 = '\x0'; [L71] char m2 = '\x0'; [L72] char max2 = '\x0'; [L73] _Bool mode2 = 0; [L74] char id3 = '\x0'; [L75] char r3 = '\x0'; [L76] char st3 = '\x0'; [L77] char nl3 = '\x0'; [L78] char m3 = '\x0'; [L79] char max3 = '\x0'; [L80] _Bool mode3 = 0; [L81] char id4 = '\x0'; [L82] char r4 = '\x0'; [L83] char st4 = '\x0'; [L84] char nl4 = '\x0'; [L85] char m4 = '\x0'; [L86] char max4 = '\x0'; [L87] _Bool mode4 = 0; [L92] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L96] int __return_2814; [L97] int __return_3024; [L98] int __return_3207; [L99] int __return_3398; [L100] int __return_3582; [L101] int __tmp_3583_0; [L102] int __return_3756; [L103] int __return_3596; [L106] int main__c1; [L107] int main__i2; [L108] main__c1 = 0 [L109] ep12 = __VERIFIER_nondet_bool() [L110] ep13 = __VERIFIER_nondet_bool() [L111] ep14 = __VERIFIER_nondet_bool() [L112] ep21 = __VERIFIER_nondet_bool() [L113] ep23 = __VERIFIER_nondet_bool() [L114] ep24 = __VERIFIER_nondet_bool() [L115] ep31 = __VERIFIER_nondet_bool() [L116] ep32 = __VERIFIER_nondet_bool() [L117] ep34 = __VERIFIER_nondet_bool() [L118] ep41 = __VERIFIER_nondet_bool() [L119] ep42 = __VERIFIER_nondet_bool() [L120] ep43 = __VERIFIER_nondet_bool() [L121] id1 = __VERIFIER_nondet_char() [L122] r1 = __VERIFIER_nondet_char() [L123] st1 = __VERIFIER_nondet_char() [L124] nl1 = __VERIFIER_nondet_char() [L125] m1 = __VERIFIER_nondet_char() [L126] max1 = __VERIFIER_nondet_char() [L127] mode1 = __VERIFIER_nondet_bool() [L128] id2 = __VERIFIER_nondet_char() [L129] r2 = __VERIFIER_nondet_char() [L130] st2 = __VERIFIER_nondet_char() [L131] nl2 = __VERIFIER_nondet_char() [L132] m2 = __VERIFIER_nondet_char() [L133] max2 = __VERIFIER_nondet_char() [L134] mode2 = __VERIFIER_nondet_bool() [L135] id3 = __VERIFIER_nondet_char() [L136] r3 = __VERIFIER_nondet_char() [L137] st3 = __VERIFIER_nondet_char() [L138] nl3 = __VERIFIER_nondet_char() [L139] m3 = __VERIFIER_nondet_char() [L140] max3 = __VERIFIER_nondet_char() [L141] mode3 = __VERIFIER_nondet_bool() [L142] id4 = __VERIFIER_nondet_char() [L143] r4 = __VERIFIER_nondet_char() [L144] st4 = __VERIFIER_nondet_char() [L145] nl4 = __VERIFIER_nondet_char() [L146] m4 = __VERIFIER_nondet_char() [L147] max4 = __VERIFIER_nondet_char() [L148] mode4 = __VERIFIER_nondet_bool() [L150] _Bool init__r121; [L151] _Bool init__r131; [L152] _Bool init__r141; [L153] _Bool init__r211; [L154] _Bool init__r231; [L155] _Bool init__r241; [L156] _Bool init__r311; [L157] _Bool init__r321; [L158] _Bool init__r341; [L159] _Bool init__r411; [L160] _Bool init__r421; [L161] _Bool init__r431; [L162] _Bool init__r122; [L163] int init__tmp; [L164] _Bool init__r132; [L165] int init__tmp___0; [L166] _Bool init__r142; [L167] int init__tmp___1; [L168] _Bool init__r212; [L169] int init__tmp___2; [L170] _Bool init__r232; [L171] int init__tmp___3; [L172] _Bool init__r242; [L173] int init__tmp___4; [L174] _Bool init__r312; [L175] int init__tmp___5; [L176] _Bool init__r322; [L177] int init__tmp___6; [L178] _Bool init__r342; [L179] int init__tmp___7; [L180] _Bool init__r412; [L181] int init__tmp___8; [L182] _Bool init__r422; [L183] int init__tmp___9; [L184] _Bool init__r432; [L185] int init__tmp___10; [L186] _Bool init__r123; [L187] int init__tmp___11; [L188] _Bool init__r133; [L189] int init__tmp___12; [L190] _Bool init__r143; [L191] int init__tmp___13; [L192] _Bool init__r213; [L193] int init__tmp___14; [L194] _Bool init__r233; [L195] int init__tmp___15; [L196] _Bool init__r243; [L197] int init__tmp___16; [L198] _Bool init__r313; [L199] int init__tmp___17; [L200] _Bool init__r323; [L201] int init__tmp___18; [L202] _Bool init__r343; [L203] int init__tmp___19; [L204] _Bool init__r413; [L205] int init__tmp___20; [L206] _Bool init__r423; [L207] int init__tmp___21; [L208] _Bool init__r433; [L209] int init__tmp___22; [L210] int init__tmp___23; [L211] init__r121 = ep12 [L212] init__r131 = ep13 [L213] init__r141 = ep14 [L214] init__r211 = ep21 [L215] init__r231 = ep23 [L216] init__r241 = ep24 [L217] init__r311 = ep31 [L218] init__r321 = ep32 [L219] init__r341 = ep34 [L220] init__r411 = ep41 [L221] init__r421 = ep42 [L222] init__r431 = ep43 [L223] COND TRUE !(init__r121 == 0) [L225] init__tmp = 1 [L227] init__r122 = (_Bool)init__tmp [L228] COND TRUE !(init__r131 == 0) [L230] init__tmp___0 = 1 [L232] init__r132 = (_Bool)init__tmp___0 [L233] COND TRUE !(init__r141 == 0) [L235] init__tmp___1 = 1 [L237] init__r142 = (_Bool)init__tmp___1 [L238] COND TRUE !(init__r211 == 0) [L240] init__tmp___2 = 1 [L242] init__r212 = (_Bool)init__tmp___2 [L243] COND TRUE !(init__r231 == 0) [L245] init__tmp___3 = 1 [L247] init__r232 = (_Bool)init__tmp___3 [L248] COND TRUE !(init__r241 == 0) [L250] init__tmp___4 = 1 [L252] init__r242 = (_Bool)init__tmp___4 [L253] COND TRUE !(init__r311 == 0) [L255] init__tmp___5 = 1 [L257] init__r312 = (_Bool)init__tmp___5 [L258] COND TRUE !(init__r321 == 0) [L260] init__tmp___6 = 1 [L262] init__r322 = (_Bool)init__tmp___6 [L263] COND TRUE !(init__r341 == 0) [L265] init__tmp___7 = 1 [L267] init__r342 = (_Bool)init__tmp___7 [L268] COND TRUE !(init__r411 == 0) [L270] init__tmp___8 = 1 [L272] init__r412 = (_Bool)init__tmp___8 [L273] COND TRUE !(init__r421 == 0) [L275] init__tmp___9 = 1 [L277] init__r422 = (_Bool)init__tmp___9 [L278] COND TRUE !(init__r431 == 0) [L280] init__tmp___10 = 1 [L282] init__r432 = (_Bool)init__tmp___10 [L283] COND TRUE !(init__r122 == 0) [L285] init__tmp___11 = 1 [L287] init__r123 = (_Bool)init__tmp___11 [L288] COND TRUE !(init__r132 == 0) [L290] init__tmp___12 = 1 [L292] init__r133 = (_Bool)init__tmp___12 [L293] COND TRUE !(init__r142 == 0) [L295] init__tmp___13 = 1 [L297] init__r143 = (_Bool)init__tmp___13 [L298] COND TRUE !(init__r212 == 0) [L300] init__tmp___14 = 1 [L302] init__r213 = (_Bool)init__tmp___14 [L303] COND TRUE !(init__r232 == 0) [L305] init__tmp___15 = 1 [L307] init__r233 = (_Bool)init__tmp___15 [L308] COND TRUE !(init__r242 == 0) [L310] init__tmp___16 = 1 [L312] init__r243 = (_Bool)init__tmp___16 [L313] COND TRUE !(init__r312 == 0) [L315] init__tmp___17 = 1 [L317] init__r313 = (_Bool)init__tmp___17 [L318] COND TRUE !(init__r322 == 0) [L320] init__tmp___18 = 1 [L322] init__r323 = (_Bool)init__tmp___18 [L323] COND TRUE !(init__r342 == 0) [L325] init__tmp___19 = 1 [L327] init__r343 = (_Bool)init__tmp___19 [L328] COND TRUE !(init__r412 == 0) [L330] init__tmp___20 = 1 [L332] init__r413 = (_Bool)init__tmp___20 [L333] COND TRUE !(init__r422 == 0) [L335] init__tmp___21 = 1 [L337] init__r423 = (_Bool)init__tmp___21 [L338] COND TRUE !(init__r432 == 0) [L340] init__tmp___22 = 1 [L342] init__r433 = (_Bool)init__tmp___22 [L343] COND TRUE ((int)id1) != ((int)id2) [L345] COND TRUE ((int)id1) != ((int)id3) [L347] COND TRUE ((int)id1) != ((int)id4) [L349] COND TRUE ((int)id2) != ((int)id3) [L351] COND TRUE ((int)id2) != ((int)id4) [L353] COND TRUE ((int)id3) != ((int)id4) [L355] COND TRUE ((int)id1) >= 0 [L357] COND TRUE ((int)id2) >= 0 [L359] COND TRUE ((int)id3) >= 0 [L361] COND TRUE ((int)id4) >= 0 [L363] COND TRUE ((int)r1) == 0 [L365] COND TRUE ((int)r2) == 0 [L367] COND TRUE ((int)r3) == 0 [L369] COND TRUE ((int)r4) == 0 [L371] COND TRUE !(init__r123 == 0) [L373] COND TRUE !(init__r133 == 0) [L375] COND TRUE !(init__r143 == 0) [L377] COND TRUE !(init__r213 == 0) [L379] COND TRUE !(init__r233 == 0) [L381] COND TRUE !(init__r243 == 0) [L383] COND TRUE !(init__r313 == 0) [L385] COND TRUE !(init__r323 == 0) [L387] COND TRUE !(init__r343 == 0) [L389] COND TRUE !(init__r413 == 0) [L391] COND TRUE !(init__r423 == 0) [L393] COND TRUE !(init__r433 == 0) [L395] COND TRUE ((int)max1) == ((int)id1) [L397] COND TRUE ((int)max2) == ((int)id2) [L399] COND TRUE ((int)max3) == ((int)id3) [L401] COND TRUE ((int)max4) == ((int)id4) [L403] COND TRUE ((int)st1) == 0 [L405] COND TRUE ((int)st2) == 0 [L407] COND TRUE ((int)st3) == 0 [L409] COND TRUE ((int)st4) == 0 [L411] COND TRUE ((int)nl1) == 0 [L413] COND TRUE ((int)nl2) == 0 [L415] COND TRUE ((int)nl3) == 0 [L417] COND TRUE ((int)nl4) == 0 [L419] COND TRUE ((int)mode1) == 0 [L421] COND TRUE ((int)mode2) == 0 [L423] COND TRUE ((int)mode3) == 0 [L425] COND TRUE ((int)mode4) == 0 [L427] init__tmp___23 = 1 [L428] __return_2814 = init__tmp___23 [L429] main__i2 = __return_2814 [L430] COND TRUE main__i2 != 0 [L432] p12_old = nomsg [L433] p12_new = nomsg [L434] p13_old = nomsg [L435] p13_new = nomsg [L436] p14_old = nomsg [L437] p14_new = nomsg [L438] p21_old = nomsg [L439] p21_new = nomsg [L440] p23_old = nomsg [L441] p23_new = nomsg [L442] p24_old = nomsg [L443] p24_new = nomsg [L444] p31_old = nomsg [L445] p31_new = nomsg [L446] p32_old = nomsg [L447] p32_new = nomsg [L448] p34_old = nomsg [L449] p34_new = nomsg [L450] p41_old = nomsg [L451] p41_new = nomsg [L452] p42_old = nomsg [L453] p42_new = nomsg [L454] p43_old = nomsg [L455] p43_new = nomsg [L456] main__i2 = 0 [L457] COND TRUE main__i2 < 8 [L460] COND FALSE !(!(mode1 == 0)) [L466] COND TRUE ((int)r1) < 3 [L468] COND FALSE !(!(ep12 == 0)) [L479] COND FALSE !(!(ep13 == 0)) [L490] COND FALSE !(!(ep14 == 0)) [L501] mode1 = 1 [L503] COND FALSE !(!(mode2 == 0)) [L509] COND TRUE ((int)r2) < 3 [L511] COND FALSE !(!(ep21 == 0)) [L522] COND FALSE !(!(ep23 == 0)) [L533] COND FALSE !(!(ep24 == 0)) [L544] mode2 = 1 [L546] COND FALSE !(!(mode3 == 0)) [L552] COND TRUE ((int)r3) < 3 [L554] COND FALSE !(!(ep31 == 0)) [L565] COND FALSE !(!(ep32 == 0)) [L576] COND FALSE !(!(ep34 == 0)) [L587] mode3 = 1 [L589] COND FALSE !(!(mode4 == 0)) [L595] COND TRUE ((int)r4) < 3 [L597] COND FALSE !(!(ep41 == 0)) [L608] COND FALSE !(!(ep42 == 0)) [L619] COND FALSE !(!(ep43 == 0)) [L630] mode4 = 1 [L631] p12_old = p12_new [L632] p12_new = nomsg [L633] p13_old = p13_new [L634] p13_new = nomsg [L635] p14_old = p14_new [L636] p14_new = nomsg [L637] p21_old = p21_new [L638] p21_new = nomsg [L639] p23_old = p23_new [L640] p23_new = nomsg [L641] p24_old = p24_new [L642] p24_new = nomsg [L643] p31_old = p31_new [L644] p31_new = nomsg [L645] p32_old = p32_new [L646] p32_new = nomsg [L647] p34_old = p34_new [L648] p34_new = nomsg [L649] p41_old = p41_new [L650] p41_new = nomsg [L651] p42_old = p42_new [L652] p42_new = nomsg [L653] p43_old = p43_new [L654] p43_new = nomsg [L656] int check__tmp; [L657] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L659] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L661] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L663] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L665] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L667] COND FALSE !(((int)r1) >= 3) [L673] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L675] COND TRUE ((int)r1) < 3 [L677] COND FALSE !(((int)r1) >= 3) [L683] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L685] COND TRUE ((int)r1) < 3 [L687] check__tmp = 1 [L688] __return_3024 = check__tmp [L689] main__c1 = __return_3024 [L691] _Bool __tmp_1; [L692] __tmp_1 = main__c1 [L693] _Bool assert__arg; [L694] assert__arg = __tmp_1 [L695] COND FALSE !(assert__arg == 0) [L701] int main____CPAchecker_TMP_0 = main__i2; [L702] main__i2 = main__i2 + 1 [L703] COND TRUE main__i2 < 8 [L706] COND TRUE !(mode1 == 0) [L708] r1 = (char)(((int)r1) + 1) [L709] COND FALSE !(!(ep21 == 0)) [L717] COND FALSE !(!(ep31 == 0)) [L725] COND FALSE !(!(ep41 == 0)) [L733] COND FALSE !(((int)r1) == 2) [L739] mode1 = 0 [L741] COND TRUE !(mode2 == 0) [L743] r2 = (char)(((int)r2) + 1) [L744] COND FALSE !(!(ep12 == 0)) [L752] COND FALSE !(!(ep32 == 0)) [L760] COND FALSE !(!(ep42 == 0)) [L768] COND FALSE !(((int)r2) == 3) [L774] mode2 = 0 [L776] COND TRUE !(mode3 == 0) [L778] r3 = (char)(((int)r3) + 1) [L779] COND FALSE !(!(ep13 == 0)) [L787] COND FALSE !(!(ep23 == 0)) [L795] COND FALSE !(!(ep43 == 0)) [L803] COND FALSE !(((int)r3) == 3) [L809] mode3 = 0 [L811] COND TRUE !(mode4 == 0) [L813] r4 = (char)(((int)r4) + 1) [L814] COND FALSE !(!(ep14 == 0)) [L822] COND FALSE !(!(ep24 == 0)) [L830] COND FALSE !(!(ep34 == 0)) [L838] COND FALSE !(((int)r4) == 3) [L844] mode4 = 0 [L845] p12_old = p12_new [L846] p12_new = nomsg [L847] p13_old = p13_new [L848] p13_new = nomsg [L849] p14_old = p14_new [L850] p14_new = nomsg [L851] p21_old = p21_new [L852] p21_new = nomsg [L853] p23_old = p23_new [L854] p23_new = nomsg [L855] p24_old = p24_new [L856] p24_new = nomsg [L857] p31_old = p31_new [L858] p31_new = nomsg [L859] p32_old = p32_new [L860] p32_new = nomsg [L861] p34_old = p34_new [L862] p34_new = nomsg [L863] p41_old = p41_new [L864] p41_new = nomsg [L865] p42_old = p42_new [L866] p42_new = nomsg [L867] p43_old = p43_new [L868] p43_new = nomsg [L870] int check__tmp; [L871] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L873] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L875] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L877] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L879] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L881] COND FALSE !(((int)r1) >= 3) [L887] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L889] COND TRUE ((int)r1) < 3 [L891] COND FALSE !(((int)r1) >= 3) [L897] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L899] COND TRUE ((int)r1) < 3 [L901] check__tmp = 1 [L902] __return_3207 = check__tmp [L903] main__c1 = __return_3207 [L905] _Bool __tmp_2; [L906] __tmp_2 = main__c1 [L907] _Bool assert__arg; [L908] assert__arg = __tmp_2 [L909] COND FALSE !(assert__arg == 0) [L915] int main____CPAchecker_TMP_0 = main__i2; [L916] main__i2 = main__i2 + 1 [L917] COND TRUE main__i2 < 8 [L920] COND FALSE !(!(mode1 == 0)) [L926] COND TRUE ((int)r1) < 3 [L928] COND FALSE !(!(ep12 == 0)) [L939] COND FALSE !(!(ep13 == 0)) [L950] COND FALSE !(!(ep14 == 0)) [L961] mode1 = 1 [L963] COND FALSE !(!(mode2 == 0)) [L969] COND TRUE ((int)r2) < 3 [L971] COND FALSE !(!(ep21 == 0)) [L982] COND FALSE !(!(ep23 == 0)) [L993] COND FALSE !(!(ep24 == 0)) [L1004] mode2 = 1 [L1006] COND FALSE !(!(mode3 == 0)) [L1012] COND TRUE ((int)r3) < 3 [L1014] COND FALSE !(!(ep31 == 0)) [L1025] COND FALSE !(!(ep32 == 0)) [L1036] COND FALSE !(!(ep34 == 0)) [L1047] mode3 = 1 [L1049] COND FALSE !(!(mode4 == 0)) [L1055] COND TRUE ((int)r4) < 3 [L1057] COND FALSE !(!(ep41 == 0)) [L1068] COND FALSE !(!(ep42 == 0)) [L1079] COND FALSE !(!(ep43 == 0)) [L1090] mode4 = 1 [L1091] p12_old = p12_new [L1092] p12_new = nomsg [L1093] p13_old = p13_new [L1094] p13_new = nomsg [L1095] p14_old = p14_new [L1096] p14_new = nomsg [L1097] p21_old = p21_new [L1098] p21_new = nomsg [L1099] p23_old = p23_new [L1100] p23_new = nomsg [L1101] p24_old = p24_new [L1102] p24_new = nomsg [L1103] p31_old = p31_new [L1104] p31_new = nomsg [L1105] p32_old = p32_new [L1106] p32_new = nomsg [L1107] p34_old = p34_new [L1108] p34_new = nomsg [L1109] p41_old = p41_new [L1110] p41_new = nomsg [L1111] p42_old = p42_new [L1112] p42_new = nomsg [L1113] p43_old = p43_new [L1114] p43_new = nomsg [L1116] int check__tmp; [L1117] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1119] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1121] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1123] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1125] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1127] COND FALSE !(((int)r1) >= 3) [L1133] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L1135] COND TRUE ((int)r1) < 3 [L1137] COND FALSE !(((int)r1) >= 3) [L1143] COND TRUE (((((int)nl1) + ((int)nl2)) + ((int)nl3)) + ((int)nl4)) == 0 [L1145] COND TRUE ((int)r1) < 3 [L1147] check__tmp = 1 [L1148] __return_3398 = check__tmp [L1149] main__c1 = __return_3398 [L1151] _Bool __tmp_3; [L1152] __tmp_3 = main__c1 [L1153] _Bool assert__arg; [L1154] assert__arg = __tmp_3 [L1155] COND FALSE !(assert__arg == 0) [L1161] int main____CPAchecker_TMP_0 = main__i2; [L1162] main__i2 = main__i2 + 1 [L1163] COND TRUE main__i2 < 8 [L1166] COND TRUE !(mode1 == 0) [L1168] r1 = (char)(((int)r1) + 1) [L1169] COND FALSE !(!(ep21 == 0)) [L1177] COND FALSE !(!(ep31 == 0)) [L1185] COND FALSE !(!(ep41 == 0)) [L1193] COND TRUE ((int)r1) == 2 [L1195] COND TRUE ((int)max1) == ((int)id1) [L1197] st1 = 1 [L1199] mode1 = 0 [L1201] COND TRUE !(mode2 == 0) [L1203] r2 = (char)(((int)r2) + 1) [L1204] COND FALSE !(!(ep12 == 0)) [L1212] COND FALSE !(!(ep32 == 0)) [L1220] COND FALSE !(!(ep42 == 0)) [L1228] COND FALSE !(((int)r2) == 3) [L1234] mode2 = 0 [L1236] COND TRUE !(mode3 == 0) [L1238] r3 = (char)(((int)r3) + 1) [L1239] COND FALSE !(!(ep13 == 0)) [L1247] COND FALSE !(!(ep23 == 0)) [L1255] COND FALSE !(!(ep43 == 0)) [L1263] COND FALSE !(((int)r3) == 3) [L1269] mode3 = 0 [L1271] COND TRUE !(mode4 == 0) [L1273] r4 = (char)(((int)r4) + 1) [L1274] COND FALSE !(!(ep14 == 0)) [L1282] COND FALSE !(!(ep24 == 0)) [L1290] COND FALSE !(!(ep34 == 0)) [L1298] COND FALSE !(((int)r4) == 3) [L1304] mode4 = 0 [L1305] p12_old = p12_new [L1306] p12_new = nomsg [L1307] p13_old = p13_new [L1308] p13_new = nomsg [L1309] p14_old = p14_new [L1310] p14_new = nomsg [L1311] p21_old = p21_new [L1312] p21_new = nomsg [L1313] p23_old = p23_new [L1314] p23_new = nomsg [L1315] p24_old = p24_new [L1316] p24_new = nomsg [L1317] p31_old = p31_new [L1318] p31_new = nomsg [L1319] p32_old = p32_new [L1320] p32_new = nomsg [L1321] p34_old = p34_new [L1322] p34_new = nomsg [L1323] p41_old = p41_new [L1324] p41_new = nomsg [L1325] p42_old = p42_new [L1326] p42_new = nomsg [L1327] p43_old = p43_new [L1328] p43_new = nomsg [L1330] int check__tmp; [L1331] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L1333] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L1335] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L1337] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L1339] COND TRUE (((int)st4) + ((int)nl4)) <= 1 [L1341] COND FALSE !(((int)r1) >= 3) [L1347] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0) [L2249] check__tmp = 0 [L1365] __return_3582 = check__tmp [L1366] main__c1 = __return_3582 [L1367] __tmp_3583_0 = main____CPAchecker_TMP_0 [L1369] main____CPAchecker_TMP_0 = __tmp_3583_0 [L1371] _Bool __tmp_4; [L1372] __tmp_4 = main__c1 [L1373] _Bool assert__arg; [L1374] assert__arg = __tmp_4 [L1375] COND TRUE assert__arg == 0 [L1377] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...