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+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:22:06,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:22:06,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:22:06,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:22:06,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:22:06,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:22:06,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:22:06,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:22:06,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:22:06,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:22:06,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:22:06,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:22:06,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:22:06,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:22:06,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:22:06,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:22:06,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:22:06,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:22:06,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:22:06,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:22:06,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:22:06,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:22:06,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:22:06,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:22:06,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:22:06,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:22:06,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:22:06,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:22:06,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:22:06,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:22:06,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:22:06,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:22:06,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:22:06,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:22:06,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:22:06,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:22:06,603 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 17:22:06,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:22:06,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:22:06,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:22:06,618 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:22:06,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:22:06,619 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:22:06,620 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:22:06,620 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:22:06,620 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:22:06,620 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:22:06,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:22:06,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:22:06,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:22:06,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:22:06,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:22:06,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:22:06,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:22:06,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:22:06,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:22:06,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:22:06,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:22:06,623 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:22:06,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:22:06,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:22:06,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:22:06,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:22:06,624 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:22:06,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:22:06,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:22:06,625 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:22:06,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:22:06,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:22:06,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:22:06,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:22:06,688 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:22:06,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-09-11 17:22:06,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fcd1ad3/f1bce8330133417691aac24fbe9ff95f/FLAG61dd4eec5 [2019-09-11 17:22:07,314 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:22:07,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-09-11 17:22:07,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fcd1ad3/f1bce8330133417691aac24fbe9ff95f/FLAG61dd4eec5 [2019-09-11 17:22:07,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30fcd1ad3/f1bce8330133417691aac24fbe9ff95f [2019-09-11 17:22:07,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:22:07,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:22:07,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:22:07,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:22:07,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:22:07,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:22:07" (1/1) ... [2019-09-11 17:22:07,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3f43c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:07, skipping insertion in model container [2019-09-11 17:22:07,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:22:07" (1/1) ... [2019-09-11 17:22:07,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:22:07,766 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:22:08,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:22:08,147 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:22:08,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:22:08,277 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:22:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08 WrapperNode [2019-09-11 17:22:08,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:22:08,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:22:08,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:22:08,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:22:08,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (1/1) ... [2019-09-11 17:22:08,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:22:08,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:22:08,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:22:08,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:22:08,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:22:08" (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 17:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:22:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:22:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:22:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:22:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:22:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:22:09,284 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:22:09,284 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:22:09,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:22:09 BoogieIcfgContainer [2019-09-11 17:22:09,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:22:09,286 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:22:09,286 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:22:09,287 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:22:09,288 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:22:09" (1/1) ... [2019-09-11 17:22:09,325 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:22:09,499 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:22:13,645 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:22:13,683 INFO L272 AbstractInterpreter]: Visited 258 different actions 6034 times. Merged at 177 different actions 3309 times. Widened at 52 different actions 599 times. Performed 16035 root evaluator evaluations with a maximum evaluation depth of 5. Performed 16035 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1693 fixpoints after 128 different actions. Largest state had 181 variables. [2019-09-11 17:22:13,683 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:22:13,686 INFO L168 Benchmark]: Toolchain (without parser) took 6005.09 ms. Allocated memory was 136.3 MB in the beginning and 369.6 MB in the end (delta: 233.3 MB). Free memory was 90.4 MB in the beginning and 150.2 MB in the end (delta: -59.8 MB). Peak memory consumption was 173.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:13,687 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:22:13,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.77 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 90.2 MB in the beginning and 170.6 MB in the end (delta: -80.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:13,689 INFO L168 Benchmark]: Boogie Preprocessor took 110.19 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 167.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:13,690 INFO L168 Benchmark]: RCFGBuilder took 896.86 ms. Allocated memory is still 201.9 MB. Free memory was 167.4 MB in the beginning and 109.2 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:13,691 INFO L168 Benchmark]: Abstract Interpretation took 4396.91 ms. Allocated memory was 201.9 MB in the beginning and 369.6 MB in the end (delta: 167.8 MB). Free memory was 108.6 MB in the beginning and 150.2 MB in the end (delta: -41.6 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:22:13,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 596.77 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 90.2 MB in the beginning and 170.6 MB in the end (delta: -80.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.19 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 167.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 896.86 ms. Allocated memory is still 201.9 MB. Free memory was 167.4 MB in the beginning and 109.2 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4396.91 ms. Allocated memory was 201.9 MB in the beginning and 369.6 MB in the end (delta: 167.8 MB). Free memory was 108.6 MB in the beginning and 150.2 MB in the end (delta: -41.6 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 392]: 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_1906; [L68] int __return_2055; [L69] int __return_2162; [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] newmax1 = __VERIFIER_nondet_bool() [L89] id2 = __VERIFIER_nondet_char() [L90] r2 = __VERIFIER_nondet_char() [L91] st2 = __VERIFIER_nondet_char() [L92] nl2 = __VERIFIER_nondet_char() [L93] m2 = __VERIFIER_nondet_char() [L94] max2 = __VERIFIER_nondet_char() [L95] mode2 = __VERIFIER_nondet_bool() [L96] newmax2 = __VERIFIER_nondet_bool() [L97] id3 = __VERIFIER_nondet_char() [L98] r3 = __VERIFIER_nondet_char() [L99] st3 = __VERIFIER_nondet_char() [L100] nl3 = __VERIFIER_nondet_char() [L101] m3 = __VERIFIER_nondet_char() [L102] max3 = __VERIFIER_nondet_char() [L103] mode3 = __VERIFIER_nondet_bool() [L104] newmax3 = __VERIFIER_nondet_bool() [L106] _Bool init__r121; [L107] _Bool init__r131; [L108] _Bool init__r211; [L109] _Bool init__r231; [L110] _Bool init__r311; [L111] _Bool init__r321; [L112] _Bool init__r122; [L113] int init__tmp; [L114] _Bool init__r132; [L115] int init__tmp___0; [L116] _Bool init__r212; [L117] int init__tmp___1; [L118] _Bool init__r232; [L119] int init__tmp___2; [L120] _Bool init__r312; [L121] int init__tmp___3; [L122] _Bool init__r322; [L123] int init__tmp___4; [L124] int init__tmp___5; [L125] init__r121 = ep12 [L126] init__r131 = ep13 [L127] init__r211 = ep21 [L128] init__r231 = ep23 [L129] init__r311 = ep31 [L130] init__r321 = ep32 [L131] COND TRUE !(init__r121 == 0) [L133] init__tmp = 1 [L135] init__r122 = (_Bool)init__tmp [L136] COND TRUE !(init__r131 == 0) [L138] init__tmp___0 = 1 [L140] init__r132 = (_Bool)init__tmp___0 [L141] COND TRUE !(init__r211 == 0) [L143] init__tmp___1 = 1 [L145] init__r212 = (_Bool)init__tmp___1 [L146] COND TRUE !(init__r231 == 0) [L148] init__tmp___2 = 1 [L150] init__r232 = (_Bool)init__tmp___2 [L151] COND TRUE !(init__r311 == 0) [L153] init__tmp___3 = 1 [L155] init__r312 = (_Bool)init__tmp___3 [L156] COND FALSE !(!(init__r321 == 0)) [L989] COND FALSE !(!(init__r311 == 0)) [L1005] init__tmp___4 = 0 [L160] init__r322 = (_Bool)init__tmp___4 [L161] COND TRUE ((int)id1) != ((int)id2) [L163] COND TRUE ((int)id1) != ((int)id3) [L165] COND TRUE ((int)id2) != ((int)id3) [L167] COND TRUE ((int)id1) >= 0 [L169] COND TRUE ((int)id2) >= 0 [L171] COND TRUE ((int)id3) >= 0 [L173] COND TRUE ((int)r1) == 0 [L175] COND TRUE ((int)r2) == 0 [L177] COND TRUE ((int)r3) == 0 [L179] COND TRUE !(init__r122 == 0) [L181] COND TRUE !(init__r132 == 0) [L183] COND TRUE !(init__r212 == 0) [L185] COND TRUE !(init__r232 == 0) [L187] COND TRUE !(init__r312 == 0) [L189] COND TRUE !(init__r322 == 0) [L191] COND TRUE ((int)max1) == ((int)id1) [L193] COND TRUE ((int)max2) == ((int)id2) [L195] COND TRUE ((int)max3) == ((int)id3) [L197] COND TRUE ((int)st1) == 0 [L199] COND TRUE ((int)st2) == 0 [L201] COND TRUE ((int)st3) == 0 [L203] COND TRUE ((int)nl1) == 0 [L205] COND TRUE ((int)nl2) == 0 [L207] COND TRUE ((int)nl3) == 0 [L209] COND TRUE ((int)mode1) == 0 [L211] COND TRUE ((int)mode2) == 0 [L213] COND TRUE ((int)mode3) == 0 [L215] COND TRUE !(newmax1 == 0) [L217] COND TRUE !(newmax2 == 0) [L219] COND TRUE !(newmax3 == 0) [L221] init__tmp___5 = 1 [L222] __return_1906 = init__tmp___5 [L223] main__i2 = __return_1906 [L224] COND TRUE main__i2 != 0 [L226] p12_old = nomsg [L227] p12_new = nomsg [L228] p13_old = nomsg [L229] p13_new = nomsg [L230] p21_old = nomsg [L231] p21_new = nomsg [L232] p23_old = nomsg [L233] p23_new = nomsg [L234] p31_old = nomsg [L235] p31_new = nomsg [L236] p32_old = nomsg [L237] p32_new = nomsg [L238] main__i2 = 0 [L240] COND TRUE main__i2 < 6 [L243] _Bool node1__newmax; [L244] node1__newmax = 0 [L245] COND TRUE !(mode1 == 0) [L247] r1 = (char)(((int)r1) + 1) [L248] COND FALSE !(!(ep21 == 0)) [L257] COND FALSE !(!(ep31 == 0)) [L266] newmax1 = node1__newmax [L267] COND FALSE !(((int)r1) == 2) [L273] mode1 = 0 [L276] _Bool node2__newmax; [L277] node2__newmax = 0 [L278] COND FALSE !(!(mode2 == 0)) [L629] COND TRUE ((int)r2) < 2 [L631] COND FALSE !(!(ep21 == 0)) [L644] COND FALSE !(!(ep23 == 0)) [L657] mode2 = 1 [L309] _Bool node3__newmax; [L310] node3__newmax = 0 [L311] COND FALSE !(!(mode3 == 0)) [L514] COND TRUE ((int)r3) < 2 [L516] COND FALSE !(!(ep31 == 0)) [L529] COND FALSE !(!(ep32 == 0)) [L542] mode3 = 1 [L341] p12_old = p12_new [L342] p12_new = nomsg [L343] p13_old = p13_new [L344] p13_new = nomsg [L345] p21_old = p21_new [L346] p21_new = nomsg [L347] p23_old = p23_new [L348] p23_new = nomsg [L349] p31_old = p31_new [L350] p31_new = nomsg [L351] p32_old = p32_new [L352] p32_new = nomsg [L354] int check__tmp; [L355] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L357] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L359] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L361] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L363] COND TRUE ((int)r1) >= 2 [L366] COND FALSE !(((int)r1) < 2) [L432] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 1) [L438] check__tmp = 0 [L383] __return_2055 = check__tmp [L384] main__c1 = __return_2055 [L386] _Bool __tmp_1; [L387] __tmp_1 = main__c1 [L388] _Bool assert__arg; [L389] assert__arg = __tmp_1 [L390] COND TRUE assert__arg == 0 [L392] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...