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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:50:10,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:50:10,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:50:10,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:50:10,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:50:10,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:50:10,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:50:10,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:50:10,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:50:10,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:50:10,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:50:10,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:50:10,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:50:10,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:50:10,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:50:10,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:50:10,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:50:10,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:50:10,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:50:10,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:50:10,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:50:10,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:50:10,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:50:10,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:50:10,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:50:10,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:50:10,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:50:10,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:50:10,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:50:10,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:50:10,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:50:10,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:50:10,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:50:10,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:50:10,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:50:10,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:50:10,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:50:10,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:50:10,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:50:10,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:50:10,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:50:10,863 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:50:10,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:50:10,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:50:10,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:50:10,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:50:10,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:50:10,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:50:10,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:50:10,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:50:10,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:50:10,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:50:10,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:50:10,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:50:10,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:50:10,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:50:10,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:50:10,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:50:10,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:50:10,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:50:10,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:50:10,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:50:10,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:50:10,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:50:10,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:50:10,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:50:11,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:50:11,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:50:11,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:50:11,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:50:11,199 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:50:11,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-10-15 04:50:11,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c397f8059/aa57fde091ed4f7183b7df2fbd43023d/FLAGe91fb9212 [2019-10-15 04:50:11,835 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:50:11,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-10-15 04:50:11,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c397f8059/aa57fde091ed4f7183b7df2fbd43023d/FLAGe91fb9212 [2019-10-15 04:50:12,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c397f8059/aa57fde091ed4f7183b7df2fbd43023d [2019-10-15 04:50:12,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:50:12,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:50:12,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:50:12,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:50:12,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:50:12,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec0cf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12, skipping insertion in model container [2019-10-15 04:50:12,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:50:12,238 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:50:12,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:50:12,686 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:50:12,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:50:12,806 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:50:12,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12 WrapperNode [2019-10-15 04:50:12,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:50:12,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:50:12,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:50:12,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:50:12,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... [2019-10-15 04:50:12,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:50:12,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:50:12,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:50:12,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:50:12,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:50:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:50:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:50:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:50:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:50:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:50:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 04:50:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 04:50:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-15 04:50:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:50:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-15 04:50:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-15 04:50:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-15 04:50:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-15 04:50:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-15 04:50:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-15 04:50:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-15 04:50:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:50:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:50:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:50:13,709 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:50:13,710 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:50:13,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:50:13 BoogieIcfgContainer [2019-10-15 04:50:13,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:50:13,712 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:50:13,712 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:50:13,713 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:50:13,713 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:50:13" (1/1) ... [2019-10-15 04:50:13,746 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:50:13,921 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:50:16,331 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:50:16,381 INFO L272 AbstractInterpreter]: Visited 249 different actions 3053 times. Merged at 159 different actions 1838 times. Widened at 43 different actions 380 times. Performed 7989 root evaluator evaluations with a maximum evaluation depth of 5. Performed 7989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 654 fixpoints after 91 different actions. Largest state had 133 variables. [2019-10-15 04:50:16,382 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:50:16,385 INFO L168 Benchmark]: Toolchain (without parser) took 4234.47 ms. Allocated memory was 139.5 MB in the beginning and 295.2 MB in the end (delta: 155.7 MB). Free memory was 102.8 MB in the beginning and 193.8 MB in the end (delta: -91.0 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:50:16,386 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:50:16,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.80 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 176.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:50:16,388 INFO L168 Benchmark]: Boogie Preprocessor took 65.69 ms. Allocated memory is still 202.9 MB. Free memory was 176.3 MB in the beginning and 173.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:50:16,391 INFO L168 Benchmark]: RCFGBuilder took 837.85 ms. Allocated memory is still 202.9 MB. Free memory was 173.4 MB in the beginning and 116.2 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:50:16,392 INFO L168 Benchmark]: Abstract Interpretation took 2669.65 ms. Allocated memory was 202.9 MB in the beginning and 295.2 MB in the end (delta: 92.3 MB). Free memory was 116.2 MB in the beginning and 193.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:50:16,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.80 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 176.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.69 ms. Allocated memory is still 202.9 MB. Free memory was 176.3 MB in the beginning and 173.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 837.85 ms. Allocated memory is still 202.9 MB. Free memory was 173.4 MB in the beginning and 116.2 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2669.65 ms. Allocated memory was 202.9 MB in the beginning and 295.2 MB in the end (delta: 92.3 MB). Free memory was 116.2 MB in the beginning and 193.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 383]: 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] _Bool alive1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] _Bool alive2 = 0; [L29] port_t p3 = 0; [L30] char p3_old = '\x0'; [L31] char p3_new = '\x0'; [L32] char id3 = '\x0'; [L33] char st3 = '\x0'; [L34] msg_t send3 = '\x0'; [L35] _Bool mode3 = 0; [L36] _Bool alive3 = 0; [L40] void (*nodes[3])() = { &node1, &node2, &node3 }; [L44] int __return_6067; [L45] int __return_6144; [L46] int __return_6207; [L47] int __tmp_6234_0; [L48] int __return_6276; [L49] int __tmp_6277_0; [L50] int __return_6290; [L51] int __return_6445; [L54] int main__c1; [L55] int main__i2; [L56] main__c1 = 0 [L57] r1 = __VERIFIER_nondet_char() [L58] id1 = __VERIFIER_nondet_char() [L59] st1 = __VERIFIER_nondet_char() [L60] send1 = __VERIFIER_nondet_char() [L61] mode1 = __VERIFIER_nondet_bool() [L62] alive1 = __VERIFIER_nondet_bool() [L63] id2 = __VERIFIER_nondet_char() [L64] st2 = __VERIFIER_nondet_char() [L65] send2 = __VERIFIER_nondet_char() [L66] mode2 = __VERIFIER_nondet_bool() [L67] alive2 = __VERIFIER_nondet_bool() [L68] id3 = __VERIFIER_nondet_char() [L69] st3 = __VERIFIER_nondet_char() [L70] send3 = __VERIFIER_nondet_char() [L71] mode3 = __VERIFIER_nondet_bool() [L72] alive3 = __VERIFIER_nondet_bool() [L74] int init__tmp; [L75] COND TRUE ((int)r1) == 0 [L77] COND TRUE ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1 [L79] COND TRUE ((int)id1) >= 0 [L81] COND TRUE ((int)st1) == 0 [L83] COND TRUE ((int)send1) == ((int)id1) [L85] COND TRUE ((int)mode1) == 0 [L87] COND TRUE ((int)id2) >= 0 [L89] COND TRUE ((int)st2) == 0 [L91] COND TRUE ((int)send2) == ((int)id2) [L93] COND TRUE ((int)mode2) == 0 [L95] COND TRUE ((int)id3) >= 0 [L97] COND TRUE ((int)st3) == 0 [L99] COND TRUE ((int)send3) == ((int)id3) [L101] COND TRUE ((int)mode3) == 0 [L103] COND TRUE ((int)id1) != ((int)id2) [L105] COND TRUE ((int)id1) != ((int)id3) [L107] COND TRUE ((int)id2) != ((int)id3) [L109] init__tmp = 1 [L110] __return_6067 = init__tmp [L111] main__i2 = __return_6067 [L112] COND TRUE main__i2 != 0 [L114] p1_old = nomsg [L115] p1_new = nomsg [L116] p2_old = nomsg [L117] p2_new = nomsg [L118] p3_old = nomsg [L119] p3_new = nomsg [L120] main__i2 = 0 [L121] COND TRUE main__i2 < 6 [L124] msg_t node1__m1; [L125] node1__m1 = nomsg [L126] COND FALSE !(!(mode1 == 0)) [L132] COND FALSE !(!(alive1 == 0)) [L143] mode1 = 1 [L145] msg_t node2__m2; [L146] node2__m2 = nomsg [L147] COND FALSE !(!(mode2 == 0)) [L153] COND TRUE !(alive2 == 0) [L155] int node2____CPAchecker_TMP_0; [L156] COND TRUE send2 != nomsg [L158] COND TRUE p2_new == nomsg [L160] node2____CPAchecker_TMP_0 = send2 [L162] p2_new = node2____CPAchecker_TMP_0 [L164] mode2 = 1 [L166] msg_t node3__m3; [L167] node3__m3 = nomsg [L168] COND FALSE !(!(mode3 == 0)) [L174] COND FALSE !(!(alive3 == 0)) [L876] COND FALSE !(((int)send3) != ((int)id3)) [L185] mode3 = 1 [L186] p1_old = p1_new [L187] p1_new = nomsg [L188] p2_old = p2_new [L189] p2_new = nomsg [L190] p3_old = p3_new [L191] p3_new = nomsg [L193] int check__tmp; [L194] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L196] COND TRUE ((int)r1) < 3 [L198] check__tmp = 1 [L199] __return_6144 = check__tmp [L200] main__c1 = __return_6144 [L202] _Bool __tmp_1; [L203] __tmp_1 = main__c1 [L204] _Bool assert__arg; [L205] assert__arg = __tmp_1 [L206] COND FALSE !(assert__arg == 0) [L212] int main____CPAchecker_TMP_0 = main__i2; [L213] main__i2 = main__i2 + 1 [L214] COND TRUE main__i2 < 6 [L217] msg_t node1__m1; [L218] node1__m1 = nomsg [L219] COND TRUE !(mode1 == 0) [L221] r1 = (char)(((int)r1) + 1) [L222] node1__m1 = p3_old [L223] p3_old = nomsg [L224] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L233] mode1 = 0 [L235] msg_t node2__m2; [L236] node2__m2 = nomsg [L237] COND TRUE !(mode2 == 0) [L239] node2__m2 = p1_old [L240] p1_old = nomsg [L241] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L250] mode2 = 0 [L252] msg_t node3__m3; [L253] node3__m3 = nomsg [L254] COND TRUE !(mode3 == 0) [L256] node3__m3 = p2_old [L257] p2_old = nomsg [L258] COND TRUE ((int)node3__m3) != ((int)nomsg) [L260] COND TRUE !(alive3 == 0) [L262] COND FALSE !(((int)node3__m3) > ((int)id3)) [L757] COND TRUE ((int)node3__m3) == ((int)id3) [L759] st3 = 1 [L267] mode3 = 0 [L268] p1_old = p1_new [L269] p1_new = nomsg [L270] p2_old = p2_new [L271] p2_new = nomsg [L272] p3_old = p3_new [L273] p3_new = nomsg [L275] int check__tmp; [L276] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L747] check__tmp = 0 [L748] __return_6445 = check__tmp [L749] main__c1 = __return_6445 [L750] __tmp_6277_0 = main____CPAchecker_TMP_0 [L375] main____CPAchecker_TMP_0 = __tmp_6277_0 [L377] _Bool __tmp_3; [L378] __tmp_3 = main__c1 [L379] _Bool assert__arg; [L380] assert__arg = __tmp_3 [L381] COND TRUE assert__arg == 0 [L383] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...