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.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:30,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:30,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:30,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:30,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:30,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:30,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:30,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:30,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:30,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:30,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:30,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:30,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:30,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:30,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:30,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:30,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:30,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:30,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:30,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:30,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:30,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:30,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:30,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:30,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:18:30,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:30,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:30,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:30,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:30,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:30,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:30,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:30,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:30,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:30,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:30,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:30,782 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 17:18:30,797 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:30,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:30,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:30,798 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:30,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:30,799 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:30,799 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:30,799 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:30,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:30,800 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:30,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:30,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:30,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:30,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:30,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:30,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:30,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:30,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:30,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:30,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:30,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:30,803 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:30,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:30,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:30,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:30,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:30,804 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:30,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:30,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:30,804 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:30,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:30,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:30,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:30,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:30,851 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:30,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-09-11 17:18:30,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2dd545f/ad90dded4ac84f6c8cdae8b39846c245/FLAG17aa505be [2019-09-11 17:18:31,386 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:18:31,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2019-09-11 17:18:31,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2dd545f/ad90dded4ac84f6c8cdae8b39846c245/FLAG17aa505be [2019-09-11 17:18:31,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2dd545f/ad90dded4ac84f6c8cdae8b39846c245 [2019-09-11 17:18:31,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:18:31,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:18:31,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:31,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:18:31,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:18:31,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:31" (1/1) ... [2019-09-11 17:18:31,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45625c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:31, skipping insertion in model container [2019-09-11 17:18:31,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:31" (1/1) ... [2019-09-11 17:18:31,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:18:31,837 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:18:32,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:32,084 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:18:32,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:32,240 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:18:32,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32 WrapperNode [2019-09-11 17:18:32,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:32,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:18:32,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:18:32,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:18:32,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:18:32,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:18:32,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:18:32,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:18:32,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:32" (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 17:18:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:18:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:18:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:18:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:18:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:18:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:18:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:18:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:18:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:18:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:18:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:18:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:18:32,815 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:18:32,815 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:18:32,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:32 BoogieIcfgContainer [2019-09-11 17:18:32,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:18:32,819 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:18:32,819 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:18:32,823 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:18:32,824 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:32" (1/1) ... [2019-09-11 17:18:32,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:18:33,024 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:18:34,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:18:34,211 INFO L272 AbstractInterpreter]: Visited 107 different actions 1352 times. Merged at 60 different actions 772 times. Widened at 26 different actions 175 times. Performed 3917 root evaluator evaluations with a maximum evaluation depth of 5. Performed 3917 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 318 fixpoints after 51 different actions. Largest state had 91 variables. [2019-09-11 17:18:34,212 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:18:34,215 INFO L168 Benchmark]: Toolchain (without parser) took 2447.91 ms. Allocated memory was 142.1 MB in the beginning and 262.7 MB in the end (delta: 120.6 MB). Free memory was 90.1 MB in the beginning and 154.1 MB in the end (delta: -64.1 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:34,216 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:18:34,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.41 ms. Allocated memory was 142.1 MB in the beginning and 219.7 MB in the end (delta: 77.6 MB). Free memory was 89.9 MB in the beginning and 203.9 MB in the end (delta: -114.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:34,219 INFO L168 Benchmark]: Boogie Preprocessor took 63.52 ms. Allocated memory is still 219.7 MB. Free memory was 203.9 MB in the beginning and 201.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:34,220 INFO L168 Benchmark]: RCFGBuilder took 513.40 ms. Allocated memory is still 219.7 MB. Free memory was 201.6 MB in the beginning and 171.1 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:34,222 INFO L168 Benchmark]: Abstract Interpretation took 1392.87 ms. Allocated memory was 219.7 MB in the beginning and 262.7 MB in the end (delta: 43.0 MB). Free memory was 171.1 MB in the beginning and 154.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:34,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.41 ms. Allocated memory was 142.1 MB in the beginning and 219.7 MB in the end (delta: 77.6 MB). Free memory was 89.9 MB in the beginning and 203.9 MB in the end (delta: -114.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.52 ms. Allocated memory is still 219.7 MB. Free memory was 203.9 MB in the beginning and 201.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 513.40 ms. Allocated memory is still 219.7 MB. Free memory was 201.6 MB in the beginning and 171.1 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1392.87 ms. Allocated memory was 219.7 MB in the beginning and 262.7 MB in the end (delta: 43.0 MB). Free memory was 171.1 MB in the beginning and 154.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 185]: 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_1406; [L42] int __return_1482; [L43] int __return_1537; [L46] int main__c1; [L47] int main__i2; [L48] main__c1 = 0 [L49] r1 = __VERIFIER_nondet_char() [L50] id1 = __VERIFIER_nondet_char() [L51] st1 = __VERIFIER_nondet_char() [L52] send1 = __VERIFIER_nondet_char() [L53] mode1 = __VERIFIER_nondet_bool() [L54] id2 = __VERIFIER_nondet_char() [L55] st2 = __VERIFIER_nondet_char() [L56] send2 = __VERIFIER_nondet_char() [L57] mode2 = __VERIFIER_nondet_bool() [L58] id3 = __VERIFIER_nondet_char() [L59] st3 = __VERIFIER_nondet_char() [L60] send3 = __VERIFIER_nondet_char() [L61] mode3 = __VERIFIER_nondet_bool() [L63] int init__tmp; [L64] COND TRUE ((int)r1) == 0 [L66] COND TRUE ((int)id1) >= 0 [L68] COND TRUE ((int)st1) == 0 [L70] COND TRUE ((int)send1) == ((int)id1) [L72] COND TRUE ((int)mode1) == 0 [L74] COND TRUE ((int)id2) >= 0 [L76] COND TRUE ((int)st2) == 0 [L78] COND TRUE ((int)send2) == ((int)id2) [L80] COND TRUE ((int)mode2) == 0 [L82] COND TRUE ((int)id3) >= 0 [L84] COND TRUE ((int)st3) == 0 [L86] COND TRUE ((int)send3) == ((int)id3) [L88] COND TRUE ((int)mode3) == 0 [L90] COND TRUE ((int)id1) != ((int)id2) [L92] COND TRUE ((int)id1) != ((int)id3) [L94] COND TRUE ((int)id2) != ((int)id3) [L96] init__tmp = 1 [L97] __return_1406 = init__tmp [L98] main__i2 = __return_1406 [L99] COND TRUE main__i2 != 0 [L101] p1_old = nomsg [L102] p1_new = nomsg [L103] p2_old = nomsg [L104] p2_new = nomsg [L105] p3_old = nomsg [L106] p3_new = nomsg [L107] main__i2 = 0 [L109] COND TRUE main__i2 < 6 [L112] msg_t node1__m1; [L113] node1__m1 = nomsg [L114] COND TRUE !(mode1 == 0) [L116] r1 = (char)(((int)r1) + 1) [L117] node1__m1 = p3_old [L118] p3_old = nomsg [L119] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L125] mode1 = 0 [L128] msg_t node2__m2; [L129] node2__m2 = nomsg [L130] COND FALSE !(!(mode2 == 0)) [L295] int node2____CPAchecker_TMP_0; [L296] COND TRUE send2 != nomsg [L298] COND TRUE p2_new == nomsg [L300] node2____CPAchecker_TMP_0 = send2 [L302] p2_new = node2____CPAchecker_TMP_0 [L303] mode2 = 1 [L143] msg_t node3__m3; [L144] node3__m3 = nomsg [L145] COND TRUE !(mode3 == 0) [L147] node3__m3 = p2_old [L148] p2_old = nomsg [L149] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L155] mode3 = 0 [L157] p1_old = p1_new [L158] p1_new = nomsg [L159] p2_old = p2_new [L160] p2_new = nomsg [L161] p3_old = p3_new [L162] p3_new = nomsg [L164] int check__tmp; [L165] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L167] COND FALSE !(((int)r1) >= 3) [L212] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L170] COND TRUE ((int)r1) < 3 [L172] check__tmp = 1 [L176] __return_1482 = check__tmp [L177] main__c1 = __return_1482 [L179] _Bool __tmp_1; [L180] __tmp_1 = main__c1 [L181] _Bool assert__arg; [L182] assert__arg = __tmp_1 [L183] COND FALSE !(assert__arg == 0) [L190] int main____CPAchecker_TMP_0 = main__i2; [L191] main__i2 = main__i2 + 1 [L109] COND TRUE main__i2 < 6 [L112] msg_t node1__m1; [L113] node1__m1 = nomsg [L114] COND TRUE !(mode1 == 0) [L116] r1 = (char)(((int)r1) + 1) [L117] node1__m1 = p3_old [L118] p3_old = nomsg [L119] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L125] mode1 = 0 [L128] msg_t node2__m2; [L129] node2__m2 = nomsg [L130] COND TRUE !(mode2 == 0) [L132] node2__m2 = p1_old [L133] p1_old = nomsg [L134] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L140] mode2 = 0 [L143] msg_t node3__m3; [L144] node3__m3 = nomsg [L145] COND TRUE !(mode3 == 0) [L147] node3__m3 = p2_old [L148] p2_old = nomsg [L149] COND TRUE ((int)node3__m3) != ((int)nomsg) [L151] COND FALSE !(((int)node3__m3) > ((int)id3)) [L232] COND TRUE ((int)node3__m3) == ((int)id3) [L234] st3 = 1 [L155] mode3 = 0 [L157] p1_old = p1_new [L158] p1_new = nomsg [L159] p2_old = p2_new [L160] p2_new = nomsg [L161] p3_old = p3_new [L162] p3_new = nomsg [L164] int check__tmp; [L165] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L225] check__tmp = 0 [L176] __return_1482 = check__tmp [L177] main__c1 = __return_1482 [L179] _Bool __tmp_1; [L180] __tmp_1 = main__c1 [L181] _Bool assert__arg; [L182] assert__arg = __tmp_1 [L183] COND TRUE assert__arg == 0 [L185] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...