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.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:18:55,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:18:55,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:18:55,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:18:55,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:18:55,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:18:55,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:18:55,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:18:55,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:18:55,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:18:55,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:18:55,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:18:55,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:18:55,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:18:55,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:18:55,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:18:55,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:18:55,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:18:55,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:18:55,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:18:55,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:18:55,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:18:55,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:18:55,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:18:55,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:18:55,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:18:55,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:18:55,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:18:55,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:18:55,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:18:55,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:18:55,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:18:55,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:18:55,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:18:55,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:18:55,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:18:55,070 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 17:18:55,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:18:55,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:18:55,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:18:55,089 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:18:55,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:18:55,090 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:18:55,090 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:18:55,090 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:18:55,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:18:55,091 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:18:55,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:18:55,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:18:55,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:18:55,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:18:55,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:18:55,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:18:55,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:18:55,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:18:55,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:18:55,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:18:55,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:18:55,094 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:18:55,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:18:55,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:18:55,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:18:55,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:18:55,095 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:18:55,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:18:55,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:18:55,095 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:18:55,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:18:55,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:18:55,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:18:55,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:18:55,140 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:18:55,141 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-11 17:18:55,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf84a039/0413791983944d988c5c4aedc7deb932/FLAG2bb298410 [2019-09-11 17:18:55,705 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:18:55,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-11 17:18:55,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf84a039/0413791983944d988c5c4aedc7deb932/FLAG2bb298410 [2019-09-11 17:18:56,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf84a039/0413791983944d988c5c4aedc7deb932 [2019-09-11 17:18:56,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:18:56,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:18:56,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:56,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:18:56,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:18:56,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1332b692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56, skipping insertion in model container [2019-09-11 17:18:56,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,099 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:18:56,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:18:56,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:56,628 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:18:56,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:18:56,734 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:18:56,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56 WrapperNode [2019-09-11 17:18:56,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:18:56,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:18:56,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:18:56,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:18:56,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (1/1) ... [2019-09-11 17:18:56,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:18:56,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:18:56,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:18:56,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:18:56,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:18:56" (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 17:18:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:18:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:18:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:18:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:18:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:18:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:18:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:18:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:18:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:18:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:18:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:18:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:18:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:18:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:18:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:18:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:18:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:18:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:18:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:18:57,665 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:18:57,666 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:18:57,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:57 BoogieIcfgContainer [2019-09-11 17:18:57,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:18:57,668 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:18:57,668 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:18:57,669 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:18:57,670 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:18:57" (1/1) ... [2019-09-11 17:18:57,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:18:57,883 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:18:59,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:18:59,777 INFO L272 AbstractInterpreter]: Visited 214 different actions 2194 times. Merged at 100 different actions 1248 times. Widened at 30 different actions 211 times. Performed 6560 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6560 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 457 fixpoints after 68 different actions. Largest state had 133 variables. [2019-09-11 17:18:59,777 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:18:59,780 INFO L168 Benchmark]: Toolchain (without parser) took 3696.48 ms. Allocated memory was 142.6 MB in the beginning and 254.3 MB in the end (delta: 111.7 MB). Free memory was 90.3 MB in the beginning and 158.2 MB in the end (delta: -67.9 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:59,781 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:18:59,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.89 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 90.1 MB in the beginning and 171.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:59,783 INFO L168 Benchmark]: Boogie Preprocessor took 58.69 ms. Allocated memory is still 201.3 MB. Free memory was 171.3 MB in the beginning and 169.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:59,784 INFO L168 Benchmark]: RCFGBuilder took 872.83 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 116.5 MB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:59,785 INFO L168 Benchmark]: Abstract Interpretation took 2109.37 ms. Allocated memory was 201.3 MB in the beginning and 254.3 MB in the end (delta: 53.0 MB). Free memory was 116.5 MB in the beginning and 158.2 MB in the end (delta: -41.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:18:59,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.89 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 90.1 MB in the beginning and 171.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.69 ms. Allocated memory is still 201.3 MB. Free memory was 171.3 MB in the beginning and 169.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 872.83 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 116.5 MB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2109.37 ms. Allocated memory was 201.3 MB in the beginning and 254.3 MB in the end (delta: 53.0 MB). Free memory was 116.5 MB in the beginning and 158.2 MB in the end (delta: -41.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 342]: 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; [L34] port_t p4 = 0; [L35] char p4_old = '\x0'; [L36] char p4_new = '\x0'; [L37] char id4 = '\x0'; [L38] char st4 = '\x0'; [L39] msg_t send4 = '\x0'; [L40] _Bool mode4 = 0; [L45] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L49] int __return_2928; [L50] int __return_3019; [L51] int __tmp_3178_0; [L52] int __return_3186; [L53] int __return_3113; [L56] int main__c1; [L57] int main__i2; [L58] main__c1 = 0 [L59] r1 = __VERIFIER_nondet_char() [L60] id1 = __VERIFIER_nondet_char() [L61] st1 = __VERIFIER_nondet_char() [L62] send1 = __VERIFIER_nondet_char() [L63] mode1 = __VERIFIER_nondet_bool() [L64] id2 = __VERIFIER_nondet_char() [L65] st2 = __VERIFIER_nondet_char() [L66] send2 = __VERIFIER_nondet_char() [L67] mode2 = __VERIFIER_nondet_bool() [L68] id3 = __VERIFIER_nondet_char() [L69] st3 = __VERIFIER_nondet_char() [L70] send3 = __VERIFIER_nondet_char() [L71] mode3 = __VERIFIER_nondet_bool() [L72] id4 = __VERIFIER_nondet_char() [L73] st4 = __VERIFIER_nondet_char() [L74] send4 = __VERIFIER_nondet_char() [L75] mode4 = __VERIFIER_nondet_bool() [L77] int init__tmp; [L78] COND TRUE ((int)r1) == 0 [L80] COND TRUE ((int)id1) >= 0 [L82] COND TRUE ((int)st1) == 0 [L84] COND TRUE ((int)send1) == ((int)id1) [L86] COND TRUE ((int)mode1) == 0 [L88] COND TRUE ((int)id2) >= 0 [L90] COND TRUE ((int)st2) == 0 [L92] COND TRUE ((int)send2) == ((int)id2) [L94] COND TRUE ((int)mode2) == 0 [L96] COND TRUE ((int)id3) >= 0 [L98] COND TRUE ((int)st3) == 0 [L100] COND TRUE ((int)send3) == ((int)id3) [L102] COND TRUE ((int)mode3) == 0 [L104] COND TRUE ((int)id4) >= 0 [L106] COND TRUE ((int)st4) == 0 [L108] COND TRUE ((int)send4) == ((int)id4) [L110] COND TRUE ((int)mode4) == 0 [L112] COND TRUE ((int)id1) != ((int)id2) [L114] COND TRUE ((int)id1) != ((int)id3) [L116] COND TRUE ((int)id1) != ((int)id4) [L118] COND TRUE ((int)id2) != ((int)id3) [L120] COND TRUE ((int)id2) != ((int)id4) [L122] COND TRUE ((int)id3) != ((int)id4) [L124] init__tmp = 1 [L125] __return_2928 = init__tmp [L126] main__i2 = __return_2928 [L127] COND TRUE main__i2 != 0 [L129] p1_old = nomsg [L130] p1_new = nomsg [L131] p2_old = nomsg [L132] p2_new = nomsg [L133] p3_old = nomsg [L134] p3_new = nomsg [L135] p4_old = nomsg [L136] p4_new = nomsg [L137] main__i2 = 0 [L138] COND TRUE main__i2 < 8 [L141] msg_t node1__m1; [L142] node1__m1 = nomsg [L143] COND FALSE !(!(mode1 == 0)) [L149] int node1____CPAchecker_TMP_0; [L150] COND TRUE send1 != nomsg [L152] COND TRUE p1_new == nomsg [L154] node1____CPAchecker_TMP_0 = send1 [L156] p1_new = node1____CPAchecker_TMP_0 [L157] mode1 = 1 [L159] msg_t node2__m2; [L160] node2__m2 = nomsg [L161] COND FALSE !(!(mode2 == 0)) [L167] int node2____CPAchecker_TMP_0; [L168] COND TRUE send2 != nomsg [L170] COND TRUE p2_new == nomsg [L172] node2____CPAchecker_TMP_0 = send2 [L174] p2_new = node2____CPAchecker_TMP_0 [L175] mode2 = 1 [L177] msg_t node3__m3; [L178] node3__m3 = nomsg [L179] COND FALSE !(!(mode3 == 0)) [L185] int node3____CPAchecker_TMP_0; [L186] COND TRUE send3 != nomsg [L188] COND TRUE p3_new == nomsg [L190] node3____CPAchecker_TMP_0 = send3 [L192] p3_new = node3____CPAchecker_TMP_0 [L193] mode3 = 1 [L195] msg_t node4__m4; [L196] node4__m4 = nomsg [L197] COND FALSE !(!(mode4 == 0)) [L203] int node4____CPAchecker_TMP_0; [L204] COND TRUE send4 != nomsg [L206] COND TRUE p4_new == nomsg [L208] node4____CPAchecker_TMP_0 = send4 [L210] p4_new = node4____CPAchecker_TMP_0 [L211] mode4 = 1 [L212] p1_old = p1_new [L213] p1_new = nomsg [L214] p2_old = p2_new [L215] p2_new = nomsg [L216] p3_old = p3_new [L217] p3_new = nomsg [L218] p4_old = p4_new [L219] p4_new = nomsg [L221] int check__tmp; [L222] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L224] COND FALSE !(((int)r1) >= 4) [L230] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0 [L232] COND TRUE ((int)r1) < 4 [L234] check__tmp = 1 [L235] __return_3019 = check__tmp [L236] main__c1 = __return_3019 [L238] _Bool __tmp_1; [L239] __tmp_1 = main__c1 [L240] _Bool assert__arg; [L241] assert__arg = __tmp_1 [L242] COND FALSE !(assert__arg == 0) [L248] int main____CPAchecker_TMP_0 = main__i2; [L249] main__i2 = main__i2 + 1 [L250] COND TRUE main__i2 < 8 [L253] msg_t node1__m1; [L254] node1__m1 = nomsg [L255] COND TRUE !(mode1 == 0) [L257] r1 = (char)(((int)r1) + 1) [L258] node1__m1 = p4_old [L259] p4_old = nomsg [L260] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L266] mode1 = 0 [L268] msg_t node2__m2; [L269] node2__m2 = nomsg [L270] COND TRUE !(mode2 == 0) [L272] node2__m2 = p1_old [L273] p1_old = nomsg [L274] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L280] mode2 = 0 [L282] msg_t node3__m3; [L283] node3__m3 = nomsg [L284] COND TRUE !(mode3 == 0) [L286] node3__m3 = p2_old [L287] p2_old = nomsg [L288] COND TRUE ((int)node3__m3) != ((int)nomsg) [L290] COND FALSE !(((int)node3__m3) > ((int)id3)) [L671] COND TRUE ((int)node3__m3) == ((int)id3) [L673] st3 = 1 [L294] mode3 = 0 [L296] msg_t node4__m4; [L297] node4__m4 = nomsg [L298] COND TRUE !(mode4 == 0) [L300] node4__m4 = p3_old [L301] p3_old = nomsg [L302] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L308] mode4 = 0 [L309] p1_old = p1_new [L310] p1_new = nomsg [L311] p2_old = p2_new [L312] p2_new = nomsg [L313] p3_old = p3_new [L314] p3_new = nomsg [L315] p4_old = p4_new [L316] p4_new = nomsg [L317] __tmp_3178_0 = main____CPAchecker_TMP_0 [L319] main____CPAchecker_TMP_0 = __tmp_3178_0 [L321] int check__tmp; [L322] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L640] check__tmp = 0 [L333] __return_3186 = check__tmp [L334] main__c1 = __return_3186 [L336] _Bool __tmp_2; [L337] __tmp_2 = main__c1 [L338] _Bool assert__arg; [L339] assert__arg = __tmp_2 [L340] COND TRUE assert__arg == 0 [L342] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...