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.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:10:52,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:10:52,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:10:52,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:10:52,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:10:52,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:10:52,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:10:52,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:10:52,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:10:52,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:10:52,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:10:52,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:10:52,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:10:52,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:10:52,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:10:52,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:10:52,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:10:52,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:10:52,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:10:52,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:10:52,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:10:52,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:10:52,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:10:52,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:10:52,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:10:52,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:10:52,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:10:52,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:10:52,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:10:52,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:10:52,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:10:52,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:10:52,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:10:52,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:10:52,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:10:52,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:10:52,884 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 17:10:52,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:10:52,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:10:52,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:10:52,909 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:10:52,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:10:52,910 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:10:52,910 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:10:52,910 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:10:52,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:10:52,911 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:10:52,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:10:52,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:10:52,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:10:52,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:10:52,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:10:52,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:10:52,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:10:52,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:10:52,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:10:52,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:10:52,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:10:52,915 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:10:52,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:10:52,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:10:52,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:10:52,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:10:52,916 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:10:52,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:10:52,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:10:52,917 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:10:52,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:10:52,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:10:52,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:10:52,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:10:52,966 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:10:52,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-09-11 17:10:53,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891c3bf4e/be11f3e39bb94af399043609305e1461/FLAG09ae47293 [2019-09-11 17:10:53,505 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:10:53,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-09-11 17:10:53,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891c3bf4e/be11f3e39bb94af399043609305e1461/FLAG09ae47293 [2019-09-11 17:10:53,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891c3bf4e/be11f3e39bb94af399043609305e1461 [2019-09-11 17:10:53,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:10:53,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:10:53,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:10:53,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:10:53,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:10:53,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:10:53" (1/1) ... [2019-09-11 17:10:53,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1beffccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:53, skipping insertion in model container [2019-09-11 17:10:53,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:10:53" (1/1) ... [2019-09-11 17:10:53,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:10:53,897 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:10:54,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:10:54,302 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:10:54,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:10:54,444 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:10:54,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54 WrapperNode [2019-09-11 17:10:54,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:10:54,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:10:54,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:10:54,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:10:54,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (1/1) ... [2019-09-11 17:10:54,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:10:54,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:10:54,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:10:54,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:10:54,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:10:54" (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 17:10:54,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:10:54,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:10:54,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:10:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:10:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:10:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:10:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:10:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:10:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:10:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:10:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:10:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:10:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:10:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:10:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:10:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:10:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:10:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:10:55,316 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:10:55,316 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:10:55,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:10:55 BoogieIcfgContainer [2019-09-11 17:10:55,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:10:55,319 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:10:55,319 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:10:55,320 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:10:55,321 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:10:55" (1/1) ... [2019-09-11 17:10:55,363 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:10:55,567 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:10:59,376 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:10:59,411 INFO L272 AbstractInterpreter]: Visited 235 different actions 5806 times. Merged at 163 different actions 3152 times. Widened at 52 different actions 662 times. Performed 15549 root evaluator evaluations with a maximum evaluation depth of 5. Performed 15549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1503 fixpoints after 119 different actions. Largest state had 169 variables. [2019-09-11 17:10:59,412 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:10:59,415 INFO L168 Benchmark]: Toolchain (without parser) took 5595.89 ms. Allocated memory was 140.5 MB in the beginning and 382.2 MB in the end (delta: 241.7 MB). Free memory was 87.2 MB in the beginning and 314.9 MB in the end (delta: -227.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:10:59,416 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:10:59,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.50 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 87.0 MB in the beginning and 172.9 MB in the end (delta: -86.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:10:59,417 INFO L168 Benchmark]: Boogie Preprocessor took 60.06 ms. Allocated memory is still 200.8 MB. Free memory was 172.9 MB in the beginning and 170.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:10:59,418 INFO L168 Benchmark]: RCFGBuilder took 812.83 ms. Allocated memory is still 200.8 MB. Free memory was 170.1 MB in the beginning and 115.6 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:10:59,419 INFO L168 Benchmark]: Abstract Interpretation took 4092.55 ms. Allocated memory was 200.8 MB in the beginning and 382.2 MB in the end (delta: 181.4 MB). Free memory was 115.0 MB in the beginning and 314.9 MB in the end (delta: -199.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:10:59,423 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 140.5 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.50 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 87.0 MB in the beginning and 172.9 MB in the end (delta: -86.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.06 ms. Allocated memory is still 200.8 MB. Free memory was 172.9 MB in the beginning and 170.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 812.83 ms. Allocated memory is still 200.8 MB. Free memory was 170.1 MB in the beginning and 115.6 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4092.55 ms. Allocated memory was 200.8 MB in the beginning and 382.2 MB in the end (delta: 181.4 MB). Free memory was 115.0 MB in the beginning and 314.9 MB in the end (delta: -199.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 365]: 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 p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] char id2 = '\x0'; [L44] char r2 = '\x0'; [L45] char st2 = '\x0'; [L46] char nl2 = '\x0'; [L47] char m2 = '\x0'; [L48] char max2 = '\x0'; [L49] _Bool mode2 = 0; [L50] char id3 = '\x0'; [L51] char r3 = '\x0'; [L52] char st3 = '\x0'; [L53] char nl3 = '\x0'; [L54] char m3 = '\x0'; [L55] char max3 = '\x0'; [L56] _Bool mode3 = 0; [L60] void (*nodes[3])() = { &node1, &node2, &node3 }; [L64] int __return_1780; [L65] int __return_1911; [L66] int __return_2009; [L69] int main__c1; [L70] int main__i2; [L71] main__c1 = 0 [L72] ep12 = __VERIFIER_nondet_bool() [L73] ep13 = __VERIFIER_nondet_bool() [L74] ep21 = __VERIFIER_nondet_bool() [L75] ep23 = __VERIFIER_nondet_bool() [L76] ep31 = __VERIFIER_nondet_bool() [L77] ep32 = __VERIFIER_nondet_bool() [L78] id1 = __VERIFIER_nondet_char() [L79] r1 = __VERIFIER_nondet_char() [L80] st1 = __VERIFIER_nondet_char() [L81] nl1 = __VERIFIER_nondet_char() [L82] m1 = __VERIFIER_nondet_char() [L83] max1 = __VERIFIER_nondet_char() [L84] mode1 = __VERIFIER_nondet_bool() [L85] id2 = __VERIFIER_nondet_char() [L86] r2 = __VERIFIER_nondet_char() [L87] st2 = __VERIFIER_nondet_char() [L88] nl2 = __VERIFIER_nondet_char() [L89] m2 = __VERIFIER_nondet_char() [L90] max2 = __VERIFIER_nondet_char() [L91] mode2 = __VERIFIER_nondet_bool() [L92] id3 = __VERIFIER_nondet_char() [L93] r3 = __VERIFIER_nondet_char() [L94] st3 = __VERIFIER_nondet_char() [L95] nl3 = __VERIFIER_nondet_char() [L96] m3 = __VERIFIER_nondet_char() [L97] max3 = __VERIFIER_nondet_char() [L98] mode3 = __VERIFIER_nondet_bool() [L100] _Bool init__r121; [L101] _Bool init__r131; [L102] _Bool init__r211; [L103] _Bool init__r231; [L104] _Bool init__r311; [L105] _Bool init__r321; [L106] _Bool init__r122; [L107] int init__tmp; [L108] _Bool init__r132; [L109] int init__tmp___0; [L110] _Bool init__r212; [L111] int init__tmp___1; [L112] _Bool init__r232; [L113] int init__tmp___2; [L114] _Bool init__r312; [L115] int init__tmp___3; [L116] _Bool init__r322; [L117] int init__tmp___4; [L118] int init__tmp___5; [L119] init__r121 = ep12 [L120] init__r131 = ep13 [L121] init__r211 = ep21 [L122] init__r231 = ep23 [L123] init__r311 = ep31 [L124] init__r321 = ep32 [L125] COND TRUE !(init__r121 == 0) [L127] init__tmp = 1 [L129] init__r122 = (_Bool)init__tmp [L130] COND TRUE !(init__r131 == 0) [L132] init__tmp___0 = 1 [L134] init__r132 = (_Bool)init__tmp___0 [L135] COND TRUE !(init__r211 == 0) [L137] init__tmp___1 = 1 [L139] init__r212 = (_Bool)init__tmp___1 [L140] COND TRUE !(init__r231 == 0) [L142] init__tmp___2 = 1 [L144] init__r232 = (_Bool)init__tmp___2 [L145] COND TRUE !(init__r311 == 0) [L147] init__tmp___3 = 1 [L149] init__r312 = (_Bool)init__tmp___3 [L150] COND FALSE !(!(init__r321 == 0)) [L905] COND FALSE !(!(init__r311 == 0)) [L921] init__tmp___4 = 0 [L154] init__r322 = (_Bool)init__tmp___4 [L155] COND TRUE ((int)id1) != ((int)id2) [L157] COND TRUE ((int)id1) != ((int)id3) [L159] COND TRUE ((int)id2) != ((int)id3) [L161] COND TRUE ((int)id1) >= 0 [L163] COND TRUE ((int)id2) >= 0 [L165] COND TRUE ((int)id3) >= 0 [L167] COND TRUE ((int)r1) == 0 [L169] COND TRUE ((int)r2) == 0 [L171] COND TRUE ((int)r3) == 0 [L173] COND TRUE !(init__r122 == 0) [L175] COND TRUE !(init__r132 == 0) [L177] COND TRUE !(init__r212 == 0) [L179] COND TRUE !(init__r232 == 0) [L181] COND TRUE !(init__r312 == 0) [L183] COND TRUE !(init__r322 == 0) [L185] COND TRUE ((int)max1) == ((int)id1) [L187] COND TRUE ((int)max2) == ((int)id2) [L189] COND TRUE ((int)max3) == ((int)id3) [L191] COND TRUE ((int)st1) == 0 [L193] COND TRUE ((int)st2) == 0 [L195] COND TRUE ((int)st3) == 0 [L197] COND TRUE ((int)nl1) == 0 [L199] COND TRUE ((int)nl2) == 0 [L201] COND TRUE ((int)nl3) == 0 [L203] COND TRUE ((int)mode1) == 0 [L205] COND TRUE ((int)mode2) == 0 [L207] COND TRUE ((int)mode3) == 0 [L209] init__tmp___5 = 1 [L210] __return_1780 = init__tmp___5 [L211] main__i2 = __return_1780 [L212] COND TRUE main__i2 != 0 [L214] p12_old = nomsg [L215] p12_new = nomsg [L216] p13_old = nomsg [L217] p13_new = nomsg [L218] p21_old = nomsg [L219] p21_new = nomsg [L220] p23_old = nomsg [L221] p23_new = nomsg [L222] p31_old = nomsg [L223] p31_new = nomsg [L224] p32_old = nomsg [L225] p32_new = nomsg [L226] main__i2 = 0 [L228] COND TRUE main__i2 < 6 [L231] COND FALSE !(!(mode1 == 0)) [L689] COND TRUE ((int)r1) < 2 [L691] COND FALSE !(!(ep12 == 0)) [L702] COND FALSE !(!(ep13 == 0)) [L713] mode1 = 1 [L259] COND TRUE !(mode2 == 0) [L261] r2 = (char)(((int)r2) + 1) [L262] COND FALSE !(!(ep12 == 0)) [L270] COND FALSE !(!(ep32 == 0)) [L278] COND FALSE !(((int)r2) == 2) [L284] mode2 = 0 [L287] COND FALSE !(!(mode3 == 0)) [L487] COND TRUE ((int)r3) < 2 [L489] COND FALSE !(!(ep31 == 0)) [L500] COND FALSE !(!(ep32 == 0)) [L511] mode3 = 1 [L314] p12_old = p12_new [L315] p12_new = nomsg [L316] p13_old = p13_new [L317] p13_new = nomsg [L318] p21_old = p21_new [L319] p21_new = nomsg [L320] p23_old = p23_new [L321] p23_new = nomsg [L322] p31_old = p31_new [L323] p31_new = nomsg [L324] p32_old = p32_new [L325] p32_new = nomsg [L327] int check__tmp; [L328] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L330] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L332] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L334] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L336] COND TRUE ((int)r1) >= 2 [L339] COND FALSE !(((int)r1) < 2) [L405] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 1) [L411] check__tmp = 0 [L356] __return_1911 = check__tmp [L357] main__c1 = __return_1911 [L359] _Bool __tmp_1; [L360] __tmp_1 = main__c1 [L361] _Bool assert__arg; [L362] assert__arg = __tmp_1 [L363] COND TRUE assert__arg == 0 [L365] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...