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_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:19,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:19,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:19,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:19,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:19,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:19,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:19,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:19,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:19,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:19,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:19,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:19,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:19,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:19,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:19,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:19,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:19,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:19,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:19,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:19,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:19,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:19,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:19,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:19,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:18:19,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:19,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:19,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:19,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:19,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:19,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:19,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:19,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:19,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:19,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:19,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:19,342 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 17:18:19,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:19,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:19,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:19,372 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:19,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:19,372 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:19,373 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:19,373 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:19,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:19,373 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:19,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:19,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:19,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:19,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:19,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:19,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:19,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:19,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:19,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:19,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:19,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:19,376 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:19,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:19,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:19,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:19,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:19,377 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:19,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:19,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:19,378 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:19,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:19,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:19,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:19,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:19,424 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:19,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-11 17:18:19,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d930d06d5/d97289c5495f47f8b8ff29720faa7d58/FLAGae4c2119e [2019-09-11 17:18:19,974 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:18:19,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-11 17:18:19,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d930d06d5/d97289c5495f47f8b8ff29720faa7d58/FLAGae4c2119e [2019-09-11 17:18:20,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d930d06d5/d97289c5495f47f8b8ff29720faa7d58 [2019-09-11 17:18:20,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:18:20,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:18:20,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:20,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:18:20,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:18:20,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6987737d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20, skipping insertion in model container [2019-09-11 17:18:20,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,334 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:18:20,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:18:20,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:20,841 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:18:20,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:20,922 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:18:20,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20 WrapperNode [2019-09-11 17:18:20,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:20,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:18:20,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:18:20,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:18:20,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (1/1) ... [2019-09-11 17:18:20,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:18:20,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:18:20,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:18:20,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:18:20,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:20" (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 17:18:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:18:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:18:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:18:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:18:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:18:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:18:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:18:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:18:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:18:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:18:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:18:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:18:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:18:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:18:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:18:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:18:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:18:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:18:21,714 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:18:21,714 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:18:21,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:21 BoogieIcfgContainer [2019-09-11 17:18:21,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:18:21,717 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:18:21,717 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:18:21,718 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:18:21,719 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:21" (1/1) ... [2019-09-11 17:18:21,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:18:21,927 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:18:23,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:18:23,700 INFO L272 AbstractInterpreter]: Visited 184 different actions 1960 times. Merged at 93 different actions 1151 times. Widened at 26 different actions 191 times. Performed 6056 root evaluator evaluations with a maximum evaluation depth of 5. Performed 6056 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 427 fixpoints after 59 different actions. Largest state had 122 variables. [2019-09-11 17:18:23,700 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:18:23,704 INFO L168 Benchmark]: Toolchain (without parser) took 3382.92 ms. Allocated memory was 140.0 MB in the beginning and 261.1 MB in the end (delta: 121.1 MB). Free memory was 87.5 MB in the beginning and 94.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 114.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:23,705 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:18:23,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.86 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 172.4 MB in the end (delta: -84.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:23,707 INFO L168 Benchmark]: Boogie Preprocessor took 53.24 ms. Allocated memory is still 199.8 MB. Free memory was 172.4 MB in the beginning and 169.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:23,709 INFO L168 Benchmark]: RCFGBuilder took 738.86 ms. Allocated memory is still 199.8 MB. Free memory was 169.6 MB in the beginning and 124.4 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:23,710 INFO L168 Benchmark]: Abstract Interpretation took 1983.01 ms. Allocated memory was 199.8 MB in the beginning and 261.1 MB in the end (delta: 61.3 MB). Free memory was 124.4 MB in the beginning and 94.3 MB in the end (delta: 30.2 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:23,720 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 140.0 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.86 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 172.4 MB in the end (delta: -84.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.24 ms. Allocated memory is still 199.8 MB. Free memory was 172.4 MB in the beginning and 169.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 738.86 ms. Allocated memory is still 199.8 MB. Free memory was 169.6 MB in the beginning and 124.4 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1983.01 ms. Allocated memory was 199.8 MB in the beginning and 261.1 MB in the end (delta: 61.3 MB). Free memory was 124.4 MB in the beginning and 94.3 MB in the end (delta: 30.2 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 369]: 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] char r1 = '\x0'; [L13] port_t p1 = 0; [L14] char p1_old = '\x0'; [L15] char p1_new = '\x0'; [L16] char id1 = '\x0'; [L17] char st1 = '\x0'; [L18] msg_t send1 = '\x0'; [L19] _Bool mode1 = 0; [L20] port_t p2 = 0; [L21] char p2_old = '\x0'; [L22] char p2_new = '\x0'; [L23] char id2 = '\x0'; [L24] char st2 = '\x0'; [L25] msg_t send2 = '\x0'; [L26] _Bool mode2 = 0; [L27] port_t p3 = 0; [L28] char p3_old = '\x0'; [L29] char p3_new = '\x0'; [L30] char id3 = '\x0'; [L31] char st3 = '\x0'; [L32] msg_t send3 = '\x0'; [L33] _Bool mode3 = 0; [L37] void (*nodes[3])() = { &node1, &node2, &node3 }; [L41] int __return_1411; [L42] int __return_1484; [L43] int __return_1551; [L44] int __tmp_1560_0; [L45] int __return_1621; [L46] int __tmp_1622_0; [L47] int __return_1564; [L48] int __return_1700; [L49] int __return_1719; [L52] int main__c1; [L53] int main__i2; [L54] main__c1 = 0 [L55] r1 = __VERIFIER_nondet_char() [L56] id1 = __VERIFIER_nondet_char() [L57] st1 = __VERIFIER_nondet_char() [L58] send1 = __VERIFIER_nondet_char() [L59] mode1 = __VERIFIER_nondet_bool() [L60] id2 = __VERIFIER_nondet_char() [L61] st2 = __VERIFIER_nondet_char() [L62] send2 = __VERIFIER_nondet_char() [L63] mode2 = __VERIFIER_nondet_bool() [L64] id3 = __VERIFIER_nondet_char() [L65] st3 = __VERIFIER_nondet_char() [L66] send3 = __VERIFIER_nondet_char() [L67] mode3 = __VERIFIER_nondet_bool() [L69] int init__tmp; [L70] COND TRUE ((int)r1) == 0 [L72] COND TRUE ((int)id1) >= 0 [L74] COND TRUE ((int)st1) == 0 [L76] COND TRUE ((int)send1) == ((int)id1) [L78] COND TRUE ((int)mode1) == 0 [L80] COND TRUE ((int)id2) >= 0 [L82] COND TRUE ((int)st2) == 0 [L84] COND TRUE ((int)send2) == ((int)id2) [L86] COND TRUE ((int)mode2) == 0 [L88] COND TRUE ((int)id3) >= 0 [L90] COND TRUE ((int)st3) == 0 [L92] COND TRUE ((int)send3) == ((int)id3) [L94] COND TRUE ((int)mode3) == 0 [L96] COND TRUE ((int)id1) != ((int)id2) [L98] COND TRUE ((int)id1) != ((int)id3) [L100] COND TRUE ((int)id2) != ((int)id3) [L102] init__tmp = 1 [L103] __return_1411 = init__tmp [L104] main__i2 = __return_1411 [L105] COND TRUE main__i2 != 0 [L107] p1_old = nomsg [L108] p1_new = nomsg [L109] p2_old = nomsg [L110] p2_new = nomsg [L111] p3_old = nomsg [L112] p3_new = nomsg [L113] main__i2 = 0 [L114] COND TRUE main__i2 < 6 [L117] msg_t node1__m1; [L118] node1__m1 = nomsg [L119] COND FALSE !(!(mode1 == 0)) [L125] int node1____CPAchecker_TMP_0; [L126] COND TRUE send1 != nomsg [L128] COND TRUE p1_new == nomsg [L130] node1____CPAchecker_TMP_0 = send1 [L132] p1_new = node1____CPAchecker_TMP_0 [L133] mode1 = 1 [L135] msg_t node2__m2; [L136] node2__m2 = nomsg [L137] COND FALSE !(!(mode2 == 0)) [L143] int node2____CPAchecker_TMP_0; [L144] COND TRUE send2 != nomsg [L146] COND TRUE p2_new == nomsg [L148] node2____CPAchecker_TMP_0 = send2 [L150] p2_new = node2____CPAchecker_TMP_0 [L151] mode2 = 1 [L153] msg_t node3__m3; [L154] node3__m3 = nomsg [L155] COND FALSE !(!(mode3 == 0)) [L161] int node3____CPAchecker_TMP_0; [L162] COND TRUE send3 != nomsg [L164] COND TRUE p3_new == nomsg [L166] node3____CPAchecker_TMP_0 = send3 [L168] p3_new = node3____CPAchecker_TMP_0 [L169] mode3 = 1 [L170] p1_old = p1_new [L171] p1_new = nomsg [L172] p2_old = p2_new [L173] p2_new = nomsg [L174] p3_old = p3_new [L175] p3_new = nomsg [L177] int check__tmp; [L178] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L180] COND FALSE !(((int)r1) >= 3) [L186] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L188] COND TRUE ((int)r1) < 3 [L190] check__tmp = 1 [L191] __return_1484 = check__tmp [L192] main__c1 = __return_1484 [L194] _Bool __tmp_1; [L195] __tmp_1 = main__c1 [L196] _Bool assert__arg; [L197] assert__arg = __tmp_1 [L198] COND FALSE !(assert__arg == 0) [L204] int main____CPAchecker_TMP_0 = main__i2; [L205] main__i2 = main__i2 + 1 [L206] COND TRUE main__i2 < 6 [L209] msg_t node1__m1; [L210] node1__m1 = nomsg [L211] COND TRUE !(mode1 == 0) [L213] r1 = (char)(((int)r1) + 1) [L214] node1__m1 = p3_old [L215] p3_old = nomsg [L216] COND TRUE ((int)node1__m1) != ((int)nomsg) [L218] COND FALSE !(((int)node1__m1) > ((int)id1)) [L647] COND TRUE ((int)node1__m1) == ((int)id1) [L649] st1 = 1 [L222] mode1 = 0 [L224] msg_t node2__m2; [L225] node2__m2 = nomsg [L226] COND TRUE !(mode2 == 0) [L228] node2__m2 = p1_old [L229] p1_old = nomsg [L230] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L236] mode2 = 0 [L238] msg_t node3__m3; [L239] node3__m3 = nomsg [L240] COND TRUE !(mode3 == 0) [L242] node3__m3 = p2_old [L243] p2_old = nomsg [L244] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L250] mode3 = 0 [L251] p1_old = p1_new [L252] p1_new = nomsg [L253] p2_old = p2_new [L254] p2_new = nomsg [L255] p3_old = p3_new [L256] p3_new = nomsg [L258] int check__tmp; [L259] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L589] check__tmp = 0 [L590] __return_1719 = check__tmp [L591] main__c1 = __return_1719 [L592] __tmp_1622_0 = main____CPAchecker_TMP_0 [L361] main____CPAchecker_TMP_0 = __tmp_1622_0 [L363] _Bool __tmp_3; [L364] __tmp_3 = main__c1 [L365] _Bool assert__arg; [L366] assert__arg = __tmp_3 [L367] COND TRUE assert__arg == 0 [L369] __VERIFIER_error() - UnprovableResult [Line: 576]: 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] char r1 = '\x0'; [L13] port_t p1 = 0; [L14] char p1_old = '\x0'; [L15] char p1_new = '\x0'; [L16] char id1 = '\x0'; [L17] char st1 = '\x0'; [L18] msg_t send1 = '\x0'; [L19] _Bool mode1 = 0; [L20] port_t p2 = 0; [L21] char p2_old = '\x0'; [L22] char p2_new = '\x0'; [L23] char id2 = '\x0'; [L24] char st2 = '\x0'; [L25] msg_t send2 = '\x0'; [L26] _Bool mode2 = 0; [L27] port_t p3 = 0; [L28] char p3_old = '\x0'; [L29] char p3_new = '\x0'; [L30] char id3 = '\x0'; [L31] char st3 = '\x0'; [L32] msg_t send3 = '\x0'; [L33] _Bool mode3 = 0; [L37] void (*nodes[3])() = { &node1, &node2, &node3 }; [L41] int __return_1411; [L42] int __return_1484; [L43] int __return_1551; [L44] int __tmp_1560_0; [L45] int __return_1621; [L46] int __tmp_1622_0; [L47] int __return_1564; [L48] int __return_1700; [L49] int __return_1719; [L52] int main__c1; [L53] int main__i2; [L54] main__c1 = 0 [L55] r1 = __VERIFIER_nondet_char() [L56] id1 = __VERIFIER_nondet_char() [L57] st1 = __VERIFIER_nondet_char() [L58] send1 = __VERIFIER_nondet_char() [L59] mode1 = __VERIFIER_nondet_bool() [L60] id2 = __VERIFIER_nondet_char() [L61] st2 = __VERIFIER_nondet_char() [L62] send2 = __VERIFIER_nondet_char() [L63] mode2 = __VERIFIER_nondet_bool() [L64] id3 = __VERIFIER_nondet_char() [L65] st3 = __VERIFIER_nondet_char() [L66] send3 = __VERIFIER_nondet_char() [L67] mode3 = __VERIFIER_nondet_bool() [L69] int init__tmp; [L70] COND TRUE ((int)r1) == 0 [L72] COND TRUE ((int)id1) >= 0 [L74] COND TRUE ((int)st1) == 0 [L76] COND TRUE ((int)send1) == ((int)id1) [L78] COND TRUE ((int)mode1) == 0 [L80] COND TRUE ((int)id2) >= 0 [L82] COND TRUE ((int)st2) == 0 [L84] COND TRUE ((int)send2) == ((int)id2) [L86] COND TRUE ((int)mode2) == 0 [L88] COND TRUE ((int)id3) >= 0 [L90] COND TRUE ((int)st3) == 0 [L92] COND TRUE ((int)send3) == ((int)id3) [L94] COND TRUE ((int)mode3) == 0 [L96] COND TRUE ((int)id1) != ((int)id2) [L98] COND TRUE ((int)id1) != ((int)id3) [L100] COND TRUE ((int)id2) != ((int)id3) [L102] init__tmp = 1 [L103] __return_1411 = init__tmp [L104] main__i2 = __return_1411 [L105] COND TRUE main__i2 != 0 [L107] p1_old = nomsg [L108] p1_new = nomsg [L109] p2_old = nomsg [L110] p2_new = nomsg [L111] p3_old = nomsg [L112] p3_new = nomsg [L113] main__i2 = 0 [L114] COND TRUE main__i2 < 6 [L117] msg_t node1__m1; [L118] node1__m1 = nomsg [L119] COND FALSE !(!(mode1 == 0)) [L125] int node1____CPAchecker_TMP_0; [L126] COND TRUE send1 != nomsg [L128] COND TRUE p1_new == nomsg [L130] node1____CPAchecker_TMP_0 = send1 [L132] p1_new = node1____CPAchecker_TMP_0 [L133] mode1 = 1 [L135] msg_t node2__m2; [L136] node2__m2 = nomsg [L137] COND FALSE !(!(mode2 == 0)) [L143] int node2____CPAchecker_TMP_0; [L144] COND TRUE send2 != nomsg [L146] COND TRUE p2_new == nomsg [L148] node2____CPAchecker_TMP_0 = send2 [L150] p2_new = node2____CPAchecker_TMP_0 [L151] mode2 = 1 [L153] msg_t node3__m3; [L154] node3__m3 = nomsg [L155] COND FALSE !(!(mode3 == 0)) [L161] int node3____CPAchecker_TMP_0; [L162] COND TRUE send3 != nomsg [L164] COND TRUE p3_new == nomsg [L166] node3____CPAchecker_TMP_0 = send3 [L168] p3_new = node3____CPAchecker_TMP_0 [L169] mode3 = 1 [L170] p1_old = p1_new [L171] p1_new = nomsg [L172] p2_old = p2_new [L173] p2_new = nomsg [L174] p3_old = p3_new [L175] p3_new = nomsg [L177] int check__tmp; [L178] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L180] COND FALSE !(((int)r1) >= 3) [L186] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L188] COND TRUE ((int)r1) < 3 [L190] check__tmp = 1 [L191] __return_1484 = check__tmp [L192] main__c1 = __return_1484 [L194] _Bool __tmp_1; [L195] __tmp_1 = main__c1 [L196] _Bool assert__arg; [L197] assert__arg = __tmp_1 [L198] COND FALSE !(assert__arg == 0) [L204] int main____CPAchecker_TMP_0 = main__i2; [L205] main__i2 = main__i2 + 1 [L206] COND TRUE main__i2 < 6 [L209] msg_t node1__m1; [L210] node1__m1 = nomsg [L211] COND TRUE !(mode1 == 0) [L213] r1 = (char)(((int)r1) + 1) [L214] node1__m1 = p3_old [L215] p3_old = nomsg [L216] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L222] mode1 = 0 [L224] msg_t node2__m2; [L225] node2__m2 = nomsg [L226] COND TRUE !(mode2 == 0) [L228] node2__m2 = p1_old [L229] p1_old = nomsg [L230] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L236] mode2 = 0 [L238] msg_t node3__m3; [L239] node3__m3 = nomsg [L240] COND TRUE !(mode3 == 0) [L242] node3__m3 = p2_old [L243] p2_old = nomsg [L244] COND TRUE ((int)node3__m3) != ((int)nomsg) [L246] COND FALSE !(((int)node3__m3) > ((int)id3)) [L599] COND TRUE ((int)node3__m3) == ((int)id3) [L601] st3 = 1 [L250] mode3 = 0 [L251] p1_old = p1_new [L252] p1_new = nomsg [L253] p2_old = p2_new [L254] p2_new = nomsg [L255] p3_old = p3_new [L256] p3_new = nomsg [L258] int check__tmp; [L259] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L261] COND FALSE !(((int)r1) >= 3) [L267] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 0) [L566] check__tmp = 0 [L567] __return_1700 = check__tmp [L568] main__c1 = __return_1700 [L570] _Bool __tmp_4; [L571] __tmp_4 = main__c1 [L572] _Bool assert__arg; [L573] assert__arg = __tmp_4 [L574] COND TRUE assert__arg == 0 [L576] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...