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.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:48:46,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:48:46,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:48:46,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:48:46,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:48:46,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:48:46,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:48:46,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:48:46,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:48:46,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:48:46,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:48:46,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:48:46,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:48:46,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:48:46,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:48:46,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:48:46,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:48:46,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:48:46,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:48:46,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:48:46,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:48:46,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:48:46,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:48:46,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:48:46,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:48:46,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:48:46,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:48:46,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:48:46,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:48:46,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:48:46,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:48:46,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:48:46,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:48:46,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:48:46,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:48:46,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:48:46,754 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 [2019-10-03 12:48:46,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:48:46,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:48:46,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:48:46,771 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:48:46,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:48:46,772 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:48:46,772 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:48:46,773 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:48:46,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:48:46,773 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:48:46,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:48:46,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:48:46,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:48:46,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:48:46,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:48:46,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:48:46,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:48:46,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:48:46,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:48:46,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:48:46,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:48:46,776 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:48:46,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:48:46,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:48:46,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:48:46,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:48:46,777 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:48:46,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:48:46,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:48:46,778 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:48:46,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:48:46,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:48:46,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:48:46,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:48:46,830 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:48:46,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-10-03 12:48:46,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b82d8640/da95fc1407074a35809eca3f4d7b59e5/FLAG2ecc6e703 [2019-10-03 12:48:47,449 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:48:47,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-10-03 12:48:47,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b82d8640/da95fc1407074a35809eca3f4d7b59e5/FLAG2ecc6e703 [2019-10-03 12:48:47,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b82d8640/da95fc1407074a35809eca3f4d7b59e5 [2019-10-03 12:48:47,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:48:47,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:48:47,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:48:47,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:48:47,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:48:47,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:47" (1/1) ... [2019-10-03 12:48:47,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7310789a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:47, skipping insertion in model container [2019-10-03 12:48:47,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:47" (1/1) ... [2019-10-03 12:48:47,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:48:47,870 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:48:48,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:48:48,427 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:48:48,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:48:48,613 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:48:48,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48 WrapperNode [2019-10-03 12:48:48,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:48:48,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:48:48,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:48:48,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:48:48,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... [2019-10-03 12:48:48,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:48:48,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:48:48,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:48:48,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:48:48,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:48:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:48:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:48:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:48:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:48:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-03 12:48:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 12:48:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-03 12:48:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:48:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-03 12:48:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-03 12:48:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-03 12:48:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-03 12:48:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-03 12:48:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-03 12:48:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-03 12:48:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:48:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:48:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:48:50,345 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:48:50,345 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 12:48:50,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:50 BoogieIcfgContainer [2019-10-03 12:48:50,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:48:50,348 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:48:50,348 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:48:50,349 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:48:50,350 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:50" (1/1) ... [2019-10-03 12:48:50,388 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:48:50,571 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:48:56,739 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:48:56,809 INFO L272 AbstractInterpreter]: Visited 377 different actions 8613 times. Merged at 258 different actions 4712 times. Widened at 77 different actions 762 times. Performed 23917 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23917 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2000 fixpoints after 167 different actions. Largest state had 186 variables. [2019-10-03 12:48:56,809 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:48:56,812 INFO L168 Benchmark]: Toolchain (without parser) took 9033.72 ms. Allocated memory was 137.9 MB in the beginning and 434.1 MB in the end (delta: 296.2 MB). Free memory was 82.7 MB in the beginning and 285.9 MB in the end (delta: -203.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:56,813 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:48:56,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.09 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 82.5 MB in the beginning and 167.1 MB in the end (delta: -84.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:56,816 INFO L168 Benchmark]: Boogie Preprocessor took 82.15 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 163.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:56,817 INFO L168 Benchmark]: RCFGBuilder took 1650.26 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 76.6 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:56,818 INFO L168 Benchmark]: Abstract Interpretation took 6461.20 ms. Allocated memory was 199.8 MB in the beginning and 434.1 MB in the end (delta: 234.4 MB). Free memory was 76.6 MB in the beginning and 285.9 MB in the end (delta: -209.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:56,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 835.09 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 82.5 MB in the beginning and 167.1 MB in the end (delta: -84.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.15 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 163.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1650.26 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 76.6 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6461.20 ms. Allocated memory was 199.8 MB in the beginning and 434.1 MB in the end (delta: 234.4 MB). Free memory was 76.6 MB in the beginning and 285.9 MB in the end (delta: -209.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 527]: 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_1131; [L65] int __return_1259; [L66] int __return_1378; [L67] int __tmp_1379_0; [L68] int __return_1487; [L69] int __return_1392; [L72] int main__c1; [L73] int main__i2; [L74] main__c1 = 0 [L75] ep12 = __VERIFIER_nondet_bool() [L76] ep13 = __VERIFIER_nondet_bool() [L77] ep21 = __VERIFIER_nondet_bool() [L78] ep23 = __VERIFIER_nondet_bool() [L79] ep31 = __VERIFIER_nondet_bool() [L80] ep32 = __VERIFIER_nondet_bool() [L81] id1 = __VERIFIER_nondet_char() [L82] r1 = __VERIFIER_nondet_char() [L83] st1 = __VERIFIER_nondet_char() [L84] nl1 = __VERIFIER_nondet_char() [L85] m1 = __VERIFIER_nondet_char() [L86] max1 = __VERIFIER_nondet_char() [L87] mode1 = __VERIFIER_nondet_bool() [L88] id2 = __VERIFIER_nondet_char() [L89] r2 = __VERIFIER_nondet_char() [L90] st2 = __VERIFIER_nondet_char() [L91] nl2 = __VERIFIER_nondet_char() [L92] m2 = __VERIFIER_nondet_char() [L93] max2 = __VERIFIER_nondet_char() [L94] mode2 = __VERIFIER_nondet_bool() [L95] id3 = __VERIFIER_nondet_char() [L96] r3 = __VERIFIER_nondet_char() [L97] st3 = __VERIFIER_nondet_char() [L98] nl3 = __VERIFIER_nondet_char() [L99] m3 = __VERIFIER_nondet_char() [L100] max3 = __VERIFIER_nondet_char() [L101] mode3 = __VERIFIER_nondet_bool() [L103] _Bool init__r121; [L104] _Bool init__r131; [L105] _Bool init__r211; [L106] _Bool init__r231; [L107] _Bool init__r311; [L108] _Bool init__r321; [L109] _Bool init__r122; [L110] int init__tmp; [L111] _Bool init__r132; [L112] int init__tmp___0; [L113] _Bool init__r212; [L114] int init__tmp___1; [L115] _Bool init__r232; [L116] int init__tmp___2; [L117] _Bool init__r312; [L118] int init__tmp___3; [L119] _Bool init__r322; [L120] int init__tmp___4; [L121] int init__tmp___5; [L122] init__r121 = ep12 [L123] init__r131 = ep13 [L124] init__r211 = ep21 [L125] init__r231 = ep23 [L126] init__r311 = ep31 [L127] init__r321 = ep32 [L128] COND TRUE !(init__r121 == 0) [L130] init__tmp = 1 [L132] init__r122 = (_Bool)init__tmp [L133] COND TRUE !(init__r131 == 0) [L135] init__tmp___0 = 1 [L137] init__r132 = (_Bool)init__tmp___0 [L138] COND TRUE !(init__r211 == 0) [L140] init__tmp___1 = 1 [L142] init__r212 = (_Bool)init__tmp___1 [L143] COND TRUE !(init__r231 == 0) [L145] init__tmp___2 = 1 [L147] init__r232 = (_Bool)init__tmp___2 [L148] COND TRUE !(init__r311 == 0) [L150] init__tmp___3 = 1 [L152] init__r312 = (_Bool)init__tmp___3 [L153] COND TRUE !(init__r321 == 0) [L155] init__tmp___4 = 1 [L157] init__r322 = (_Bool)init__tmp___4 [L158] COND TRUE ((int)id1) != ((int)id2) [L160] COND TRUE ((int)id1) != ((int)id3) [L162] COND TRUE ((int)id2) != ((int)id3) [L164] COND TRUE ((int)id1) >= 0 [L166] COND TRUE ((int)id2) >= 0 [L168] COND TRUE ((int)id3) >= 0 [L170] COND TRUE ((int)r1) == 0 [L172] COND TRUE ((int)r2) == 0 [L174] COND TRUE ((int)r3) == 0 [L176] COND TRUE !(init__r122 == 0) [L178] COND TRUE !(init__r132 == 0) [L180] COND TRUE !(init__r212 == 0) [L182] COND TRUE !(init__r232 == 0) [L184] COND TRUE !(init__r312 == 0) [L186] COND TRUE !(init__r322 == 0) [L188] COND TRUE ((int)max1) == ((int)id1) [L190] COND TRUE ((int)max2) == ((int)id2) [L192] COND TRUE ((int)max3) == ((int)id3) [L194] COND TRUE ((int)st1) == 0 [L196] COND TRUE ((int)st2) == 0 [L198] COND TRUE ((int)st3) == 0 [L200] COND TRUE ((int)nl1) == 0 [L202] COND TRUE ((int)nl2) == 0 [L204] COND TRUE ((int)nl3) == 0 [L206] COND TRUE ((int)mode1) == 0 [L208] COND TRUE ((int)mode2) == 0 [L210] COND TRUE ((int)mode3) == 0 [L212] init__tmp___5 = 1 [L213] __return_1131 = init__tmp___5 [L214] main__i2 = __return_1131 [L215] COND TRUE main__i2 != 0 [L217] p12_old = nomsg [L218] p12_new = nomsg [L219] p13_old = nomsg [L220] p13_new = nomsg [L221] p21_old = nomsg [L222] p21_new = nomsg [L223] p23_old = nomsg [L224] p23_new = nomsg [L225] p31_old = nomsg [L226] p31_new = nomsg [L227] p32_old = nomsg [L228] p32_new = nomsg [L229] main__i2 = 0 [L230] COND TRUE main__i2 < 6 [L233] COND FALSE !(!(mode1 == 0)) [L239] COND TRUE ((int)r1) < 2 [L241] COND FALSE !(!(ep12 == 0)) [L252] COND FALSE !(!(ep13 == 0)) [L263] mode1 = 1 [L265] COND FALSE !(!(mode2 == 0)) [L271] COND TRUE ((int)r2) < 2 [L273] COND FALSE !(!(ep21 == 0)) [L284] COND FALSE !(!(ep23 == 0)) [L295] mode2 = 1 [L297] COND FALSE !(!(mode3 == 0)) [L303] COND TRUE ((int)r3) < 2 [L305] COND FALSE !(!(ep31 == 0)) [L316] COND FALSE !(!(ep32 == 0)) [L327] mode3 = 1 [L328] p12_old = p12_new [L329] p12_new = nomsg [L330] p13_old = p13_new [L331] p13_new = nomsg [L332] p21_old = p21_new [L333] p21_new = nomsg [L334] p23_old = p23_new [L335] p23_new = nomsg [L336] p31_old = p31_new [L337] p31_new = nomsg [L338] p32_old = p32_new [L339] p32_new = nomsg [L341] int check__tmp; [L342] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L344] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L346] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L348] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L350] COND FALSE !(((int)r1) >= 2) [L356] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L358] COND TRUE ((int)r1) < 2 [L360] COND FALSE !(((int)r1) >= 2) [L366] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L368] COND TRUE ((int)r1) < 2 [L370] check__tmp = 1 [L371] __return_1259 = check__tmp [L372] main__c1 = __return_1259 [L374] _Bool __tmp_1; [L375] __tmp_1 = main__c1 [L376] _Bool assert__arg; [L377] assert__arg = __tmp_1 [L378] COND FALSE !(assert__arg == 0) [L384] int main____CPAchecker_TMP_0 = main__i2; [L385] main__i2 = main__i2 + 1 [L386] COND TRUE main__i2 < 6 [L389] COND TRUE !(mode1 == 0) [L391] r1 = (char)(((int)r1) + 1) [L392] COND FALSE !(!(ep21 == 0)) [L400] COND FALSE !(!(ep31 == 0)) [L408] COND TRUE ((int)r1) == 1 [L410] COND TRUE ((int)max1) == ((int)id1) [L412] st1 = 1 [L414] mode1 = 0 [L416] COND TRUE !(mode2 == 0) [L418] r2 = (char)(((int)r2) + 1) [L419] COND FALSE !(!(ep12 == 0)) [L427] COND FALSE !(!(ep32 == 0)) [L435] COND FALSE !(((int)r2) == 2) [L441] mode2 = 0 [L443] COND TRUE !(mode3 == 0) [L445] r3 = (char)(((int)r3) + 1) [L446] COND FALSE !(!(ep13 == 0)) [L454] COND FALSE !(!(ep23 == 0)) [L462] COND FALSE !(((int)r3) == 2) [L468] mode3 = 0 [L469] p12_old = p12_new [L470] p12_new = nomsg [L471] p13_old = p13_new [L472] p13_new = nomsg [L473] p21_old = p21_new [L474] p21_new = nomsg [L475] p23_old = p23_new [L476] p23_new = nomsg [L477] p31_old = p31_new [L478] p31_new = nomsg [L479] p32_old = p32_new [L480] p32_new = nomsg [L482] int check__tmp; [L483] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L485] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L487] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L489] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L491] COND FALSE !(((int)r1) >= 2) [L497] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 0) [L1065] check__tmp = 0 [L515] __return_1378 = check__tmp [L516] main__c1 = __return_1378 [L517] __tmp_1379_0 = main____CPAchecker_TMP_0 [L519] main____CPAchecker_TMP_0 = __tmp_1379_0 [L521] _Bool __tmp_2; [L522] __tmp_2 = main__c1 [L523] _Bool assert__arg; [L524] assert__arg = __tmp_2 [L525] COND TRUE assert__arg == 0 [L527] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...