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_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:22:08,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:22:08,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:22:08,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:22:08,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:22:08,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:22:08,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:22:08,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:22:08,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:22:08,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:22:08,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:22:08,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:22:08,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:22:08,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:22:08,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:22:08,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:22:08,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:22:08,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:22:08,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:22:08,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:22:08,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:22:08,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:22:08,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:22:08,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:22:08,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:22:08,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:22:08,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:22:08,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:22:08,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:22:08,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:22:08,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:22:08,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:22:08,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:22:08,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:22:08,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:22:08,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:22:08,891 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 17:22:08,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:22:08,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:22:08,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:22:08,907 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:22:08,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:22:08,908 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:22:08,908 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:22:08,909 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:22:08,909 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:22:08,909 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:22:08,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:22:08,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:22:08,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:22:08,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:22:08,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:22:08,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:22:08,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:22:08,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:22:08,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:22:08,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:22:08,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:22:08,912 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:22:08,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:22:08,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:22:08,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:22:08,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:22:08,915 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:22:08,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:22:08,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:22:08,915 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:22:08,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:22:08,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:22:08,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:22:08,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:22:08,975 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:22:08,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-11 17:22:09,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106c07b0d/46c1fc85b9c049a6ae18957100e701c6/FLAG1cb7fbc7b [2019-09-11 17:22:09,699 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:22:09,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-11 17:22:09,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106c07b0d/46c1fc85b9c049a6ae18957100e701c6/FLAG1cb7fbc7b [2019-09-11 17:22:09,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106c07b0d/46c1fc85b9c049a6ae18957100e701c6 [2019-09-11 17:22:09,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:22:09,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:22:09,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:22:09,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:22:09,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:22:09,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:22:09" (1/1) ... [2019-09-11 17:22:09,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61123b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:09, skipping insertion in model container [2019-09-11 17:22:09,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:22:09" (1/1) ... [2019-09-11 17:22:10,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:22:10,079 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:22:10,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:22:10,605 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:22:10,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:22:10,789 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:22:10,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10 WrapperNode [2019-09-11 17:22:10,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:22:10,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:22:10,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:22:10,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:22:10,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (1/1) ... [2019-09-11 17:22:10,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:22:10,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:22:10,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:22:10,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:22:10,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:10" (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 17:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:22:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:22:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:22:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:22:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:22:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:22:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:22:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:22:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:22:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:22:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:22:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:22:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:22:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:22:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:22:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:22:12,677 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:22:12,678 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:22:12,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:22:12 BoogieIcfgContainer [2019-09-11 17:22:12,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:22:12,681 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:22:12,682 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:22:12,682 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:22:12,683 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:22:12" (1/1) ... [2019-09-11 17:22:12,734 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:22:12,918 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:22:20,451 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:22:20,516 INFO L272 AbstractInterpreter]: Visited 560 different actions 11499 times. Merged at 371 different actions 6324 times. Widened at 94 different actions 953 times. Performed 33753 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33753 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2874 fixpoints after 218 different actions. Largest state had 226 variables. [2019-09-11 17:22:20,516 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:22:20,519 INFO L168 Benchmark]: Toolchain (without parser) took 10535.73 ms. Allocated memory was 136.8 MB in the beginning and 544.2 MB in the end (delta: 407.4 MB). Free memory was 88.2 MB in the beginning and 374.5 MB in the end (delta: -286.3 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:20,520 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:22:20,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.40 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 87.8 MB in the beginning and 162.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:20,522 INFO L168 Benchmark]: Boogie Preprocessor took 94.59 ms. Allocated memory is still 201.9 MB. Free memory was 162.2 MB in the beginning and 158.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:20,523 INFO L168 Benchmark]: RCFGBuilder took 1794.73 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 157.8 MB in the beginning and 145.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:20,524 INFO L168 Benchmark]: Abstract Interpretation took 7835.18 ms. Allocated memory was 230.7 MB in the beginning and 544.2 MB in the end (delta: 313.5 MB). Free memory was 145.4 MB in the beginning and 374.5 MB in the end (delta: -229.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:20,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.40 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 87.8 MB in the beginning and 162.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.59 ms. Allocated memory is still 201.9 MB. Free memory was 162.2 MB in the beginning and 158.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1794.73 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 157.8 MB in the beginning and 145.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7835.18 ms. Allocated memory was 230.7 MB in the beginning and 544.2 MB in the end (delta: 313.5 MB). Free memory was 145.4 MB in the beginning and 374.5 MB in the end (delta: -229.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 878]: 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] _Bool newmax1 = 0; [L44] char id2 = '\x0'; [L45] char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] _Bool newmax2 = 0; [L52] char id3 = '\x0'; [L53] char r3 = '\x0'; [L54] char st3 = '\x0'; [L55] char nl3 = '\x0'; [L56] char m3 = '\x0'; [L57] char max3 = '\x0'; [L58] _Bool mode3 = 0; [L59] _Bool newmax3 = 0; [L63] void (*nodes[3])() = { &node1, &node2, &node3 }; [L67] int __return_1858; [L68] int __return_2004; [L69] int __return_2137; [L70] int __return_2256; [L71] int __return_2394; [L72] int __tmp_2395_0; [L73] int __return_2518; [L74] int __return_2408; [L77] int main__c1; [L78] int main__i2; [L79] main__c1 = 0 [L80] ep12 = __VERIFIER_nondet_bool() [L81] ep13 = __VERIFIER_nondet_bool() [L82] ep21 = __VERIFIER_nondet_bool() [L83] ep23 = __VERIFIER_nondet_bool() [L84] ep31 = __VERIFIER_nondet_bool() [L85] ep32 = __VERIFIER_nondet_bool() [L86] id1 = __VERIFIER_nondet_char() [L87] r1 = __VERIFIER_nondet_char() [L88] st1 = __VERIFIER_nondet_char() [L89] nl1 = __VERIFIER_nondet_char() [L90] m1 = __VERIFIER_nondet_char() [L91] max1 = __VERIFIER_nondet_char() [L92] mode1 = __VERIFIER_nondet_bool() [L93] newmax1 = __VERIFIER_nondet_bool() [L94] id2 = __VERIFIER_nondet_char() [L95] r2 = __VERIFIER_nondet_char() [L96] st2 = __VERIFIER_nondet_char() [L97] nl2 = __VERIFIER_nondet_char() [L98] m2 = __VERIFIER_nondet_char() [L99] max2 = __VERIFIER_nondet_char() [L100] mode2 = __VERIFIER_nondet_bool() [L101] newmax2 = __VERIFIER_nondet_bool() [L102] id3 = __VERIFIER_nondet_char() [L103] r3 = __VERIFIER_nondet_char() [L104] st3 = __VERIFIER_nondet_char() [L105] nl3 = __VERIFIER_nondet_char() [L106] m3 = __VERIFIER_nondet_char() [L107] max3 = __VERIFIER_nondet_char() [L108] mode3 = __VERIFIER_nondet_bool() [L109] newmax3 = __VERIFIER_nondet_bool() [L111] _Bool init__r121; [L112] _Bool init__r131; [L113] _Bool init__r211; [L114] _Bool init__r231; [L115] _Bool init__r311; [L116] _Bool init__r321; [L117] _Bool init__r122; [L118] int init__tmp; [L119] _Bool init__r132; [L120] int init__tmp___0; [L121] _Bool init__r212; [L122] int init__tmp___1; [L123] _Bool init__r232; [L124] int init__tmp___2; [L125] _Bool init__r312; [L126] int init__tmp___3; [L127] _Bool init__r322; [L128] int init__tmp___4; [L129] int init__tmp___5; [L130] init__r121 = ep12 [L131] init__r131 = ep13 [L132] init__r211 = ep21 [L133] init__r231 = ep23 [L134] init__r311 = ep31 [L135] init__r321 = ep32 [L136] COND TRUE !(init__r121 == 0) [L138] init__tmp = 1 [L140] init__r122 = (_Bool)init__tmp [L141] COND TRUE !(init__r131 == 0) [L143] init__tmp___0 = 1 [L145] init__r132 = (_Bool)init__tmp___0 [L146] COND TRUE !(init__r211 == 0) [L148] init__tmp___1 = 1 [L150] init__r212 = (_Bool)init__tmp___1 [L151] COND TRUE !(init__r231 == 0) [L153] init__tmp___2 = 1 [L155] init__r232 = (_Bool)init__tmp___2 [L156] COND TRUE !(init__r311 == 0) [L158] init__tmp___3 = 1 [L160] init__r312 = (_Bool)init__tmp___3 [L161] COND TRUE !(init__r321 == 0) [L163] init__tmp___4 = 1 [L165] init__r322 = (_Bool)init__tmp___4 [L166] COND TRUE ((int)id1) != ((int)id2) [L168] COND TRUE ((int)id1) != ((int)id3) [L170] COND TRUE ((int)id2) != ((int)id3) [L172] COND TRUE ((int)id1) >= 0 [L174] COND TRUE ((int)id2) >= 0 [L176] COND TRUE ((int)id3) >= 0 [L178] COND TRUE ((int)r1) == 0 [L180] COND TRUE ((int)r2) == 0 [L182] COND TRUE ((int)r3) == 0 [L184] COND TRUE !(init__r122 == 0) [L186] COND TRUE !(init__r132 == 0) [L188] COND TRUE !(init__r212 == 0) [L190] COND TRUE !(init__r232 == 0) [L192] COND TRUE !(init__r312 == 0) [L194] COND TRUE !(init__r322 == 0) [L196] COND TRUE ((int)max1) == ((int)id1) [L198] COND TRUE ((int)max2) == ((int)id2) [L200] COND TRUE ((int)max3) == ((int)id3) [L202] COND TRUE ((int)st1) == 0 [L204] COND TRUE ((int)st2) == 0 [L206] COND TRUE ((int)st3) == 0 [L208] COND TRUE ((int)nl1) == 0 [L210] COND TRUE ((int)nl2) == 0 [L212] COND TRUE ((int)nl3) == 0 [L214] COND TRUE ((int)mode1) == 0 [L216] COND TRUE ((int)mode2) == 0 [L218] COND TRUE ((int)mode3) == 0 [L220] COND TRUE !(newmax1 == 0) [L222] COND TRUE !(newmax2 == 0) [L224] COND TRUE !(newmax3 == 0) [L226] init__tmp___5 = 1 [L227] __return_1858 = init__tmp___5 [L228] main__i2 = __return_1858 [L229] COND TRUE main__i2 != 0 [L231] p12_old = nomsg [L232] p12_new = nomsg [L233] p13_old = nomsg [L234] p13_new = nomsg [L235] p21_old = nomsg [L236] p21_new = nomsg [L237] p23_old = nomsg [L238] p23_new = nomsg [L239] p31_old = nomsg [L240] p31_new = nomsg [L241] p32_old = nomsg [L242] p32_new = nomsg [L243] main__i2 = 0 [L244] COND TRUE main__i2 < 6 [L247] _Bool node1__newmax; [L248] node1__newmax = 0 [L249] COND FALSE !(!(mode1 == 0)) [L255] COND TRUE ((int)r1) < 1 [L257] COND FALSE !(!(ep12 == 0)) [L270] COND FALSE !(!(ep13 == 0)) [L283] mode1 = 1 [L285] _Bool node2__newmax; [L286] node2__newmax = 0 [L287] COND FALSE !(!(mode2 == 0)) [L293] COND TRUE ((int)r2) < 2 [L295] COND FALSE !(!(ep21 == 0)) [L308] COND FALSE !(!(ep23 == 0)) [L321] mode2 = 1 [L323] _Bool node3__newmax; [L324] node3__newmax = 0 [L325] COND FALSE !(!(mode3 == 0)) [L331] COND TRUE ((int)r3) < 2 [L333] COND FALSE !(!(ep31 == 0)) [L346] COND FALSE !(!(ep32 == 0)) [L359] mode3 = 1 [L360] p12_old = p12_new [L361] p12_new = nomsg [L362] p13_old = p13_new [L363] p13_new = nomsg [L364] p21_old = p21_new [L365] p21_new = nomsg [L366] p23_old = p23_new [L367] p23_new = nomsg [L368] p31_old = p31_new [L369] p31_new = nomsg [L370] p32_old = p32_new [L371] p32_new = nomsg [L373] int check__tmp; [L374] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L376] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L378] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L380] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L382] COND FALSE !(((int)r1) >= 2) [L388] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L390] COND TRUE ((int)r1) < 2 [L392] COND FALSE !(((int)r1) >= 2) [L398] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L400] COND TRUE ((int)r1) < 2 [L402] check__tmp = 1 [L403] __return_2004 = check__tmp [L404] main__c1 = __return_2004 [L406] _Bool __tmp_1; [L407] __tmp_1 = main__c1 [L408] _Bool assert__arg; [L409] assert__arg = __tmp_1 [L410] COND FALSE !(assert__arg == 0) [L416] int main____CPAchecker_TMP_0 = main__i2; [L417] main__i2 = main__i2 + 1 [L418] COND TRUE main__i2 < 6 [L421] _Bool node1__newmax; [L422] node1__newmax = 0 [L423] COND TRUE !(mode1 == 0) [L425] r1 = (char)(((int)r1) + 1) [L426] COND FALSE !(!(ep21 == 0)) [L435] COND FALSE !(!(ep31 == 0)) [L444] newmax1 = node1__newmax [L445] COND FALSE !(((int)r1) == 2) [L451] mode1 = 0 [L453] _Bool node2__newmax; [L454] node2__newmax = 0 [L455] COND TRUE !(mode2 == 0) [L457] r2 = (char)(((int)r2) + 1) [L458] COND FALSE !(!(ep12 == 0)) [L467] COND FALSE !(!(ep32 == 0)) [L476] newmax2 = node2__newmax [L477] COND FALSE !(((int)r2) == 2) [L483] mode2 = 0 [L485] _Bool node3__newmax; [L486] node3__newmax = 0 [L487] COND TRUE !(mode3 == 0) [L489] r3 = (char)(((int)r3) + 1) [L490] COND FALSE !(!(ep13 == 0)) [L499] COND FALSE !(!(ep23 == 0)) [L508] newmax3 = node3__newmax [L509] COND FALSE !(((int)r3) == 2) [L515] mode3 = 0 [L516] p12_old = p12_new [L517] p12_new = nomsg [L518] p13_old = p13_new [L519] p13_new = nomsg [L520] p21_old = p21_new [L521] p21_new = nomsg [L522] p23_old = p23_new [L523] p23_new = nomsg [L524] p31_old = p31_new [L525] p31_new = nomsg [L526] p32_old = p32_new [L527] p32_new = nomsg [L529] int check__tmp; [L530] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L532] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L534] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L536] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L538] COND FALSE !(((int)r1) >= 2) [L544] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L546] COND TRUE ((int)r1) < 2 [L548] COND FALSE !(((int)r1) >= 2) [L554] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L556] COND TRUE ((int)r1) < 2 [L558] check__tmp = 1 [L559] __return_2137 = check__tmp [L560] main__c1 = __return_2137 [L562] _Bool __tmp_2; [L563] __tmp_2 = main__c1 [L564] _Bool assert__arg; [L565] assert__arg = __tmp_2 [L566] COND FALSE !(assert__arg == 0) [L572] int main____CPAchecker_TMP_0 = main__i2; [L573] main__i2 = main__i2 + 1 [L574] COND TRUE main__i2 < 6 [L577] _Bool node1__newmax; [L578] node1__newmax = 0 [L579] COND FALSE !(!(mode1 == 0)) [L585] COND FALSE !(((int)r1) < 1) [L591] mode1 = 1 [L593] _Bool node2__newmax; [L594] node2__newmax = 0 [L595] COND FALSE !(!(mode2 == 0)) [L601] COND TRUE ((int)r2) < 2 [L603] COND FALSE !(!(ep21 == 0)) [L616] COND FALSE !(!(ep23 == 0)) [L629] mode2 = 1 [L631] _Bool node3__newmax; [L632] node3__newmax = 0 [L633] COND FALSE !(!(mode3 == 0)) [L639] COND TRUE ((int)r3) < 2 [L641] COND FALSE !(!(ep31 == 0)) [L654] COND FALSE !(!(ep32 == 0)) [L667] mode3 = 1 [L668] p12_old = p12_new [L669] p12_new = nomsg [L670] p13_old = p13_new [L671] p13_new = nomsg [L672] p21_old = p21_new [L673] p21_new = nomsg [L674] p23_old = p23_new [L675] p23_new = nomsg [L676] p31_old = p31_new [L677] p31_new = nomsg [L678] p32_old = p32_new [L679] p32_new = nomsg [L681] int check__tmp; [L682] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L684] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L686] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L688] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L690] COND FALSE !(((int)r1) >= 2) [L696] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L698] COND TRUE ((int)r1) < 2 [L700] COND FALSE !(((int)r1) >= 2) [L706] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L708] COND TRUE ((int)r1) < 2 [L710] check__tmp = 1 [L711] __return_2256 = check__tmp [L712] main__c1 = __return_2256 [L714] _Bool __tmp_3; [L715] __tmp_3 = main__c1 [L716] _Bool assert__arg; [L717] assert__arg = __tmp_3 [L718] COND FALSE !(assert__arg == 0) [L724] int main____CPAchecker_TMP_0 = main__i2; [L725] main__i2 = main__i2 + 1 [L726] COND TRUE main__i2 < 6 [L729] _Bool node1__newmax; [L730] node1__newmax = 0 [L731] COND TRUE !(mode1 == 0) [L733] r1 = (char)(((int)r1) + 1) [L734] COND FALSE !(!(ep21 == 0)) [L743] COND FALSE !(!(ep31 == 0)) [L752] newmax1 = node1__newmax [L753] COND TRUE ((int)r1) == 2 [L755] COND TRUE ((int)max1) == ((int)id1) [L757] st1 = 1 [L759] mode1 = 0 [L761] _Bool node2__newmax; [L762] node2__newmax = 0 [L763] COND TRUE !(mode2 == 0) [L765] r2 = (char)(((int)r2) + 1) [L766] COND FALSE !(!(ep12 == 0)) [L775] COND FALSE !(!(ep32 == 0)) [L784] newmax2 = node2__newmax [L785] COND TRUE ((int)r2) == 2 [L787] COND TRUE ((int)max2) == ((int)id2) [L789] st2 = 1 [L791] mode2 = 0 [L793] _Bool node3__newmax; [L794] node3__newmax = 0 [L795] COND TRUE !(mode3 == 0) [L797] r3 = (char)(((int)r3) + 1) [L798] COND FALSE !(!(ep13 == 0)) [L807] COND FALSE !(!(ep23 == 0)) [L816] newmax3 = node3__newmax [L817] COND TRUE ((int)r3) == 2 [L819] COND FALSE !(((int)max3) == ((int)id3)) [L1527] nl3 = 1 [L823] mode3 = 0 [L824] p12_old = p12_new [L825] p12_new = nomsg [L826] p13_old = p13_new [L827] p13_new = nomsg [L828] p21_old = p21_new [L829] p21_new = nomsg [L830] p23_old = p23_new [L831] p23_new = nomsg [L832] p31_old = p31_new [L833] p31_new = nomsg [L834] p32_old = p32_new [L835] p32_new = nomsg [L837] int check__tmp; [L838] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1520] check__tmp = 0 [L866] __return_2394 = check__tmp [L867] main__c1 = __return_2394 [L868] __tmp_2395_0 = main____CPAchecker_TMP_0 [L870] main____CPAchecker_TMP_0 = __tmp_2395_0 [L872] _Bool __tmp_4; [L873] __tmp_4 = main__c1 [L874] _Bool assert__arg; [L875] assert__arg = __tmp_4 [L876] COND TRUE assert__arg == 0 [L878] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...