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-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:14:51,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:14:51,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:14:51,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:14:51,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:14:51,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:14:51,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:14:51,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:14:51,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:14:51,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:14:51,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:14:51,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:14:51,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:14:51,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:14:51,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:14:51,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:14:51,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:14:51,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:14:51,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:14:51,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:14:51,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:14:51,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:14:51,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:14:51,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:14:51,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:14:51,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:14:51,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:14:51,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:14:51,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:14:51,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:14:51,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:14:51,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:14:51,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:14:51,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:14:51,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:14:51,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:14:51,327 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 17:14:51,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:14:51,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:14:51,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:14:51,342 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:14:51,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:14:51,343 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:14:51,344 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:14:51,344 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:14:51,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:14:51,344 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:14:51,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:14:51,345 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:14:51,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:14:51,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:14:51,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:14:51,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:14:51,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:14:51,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:14:51,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:14:51,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:14:51,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:14:51,347 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:14:51,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:14:51,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:14:51,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:14:51,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:14:51,348 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:14:51,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:14:51,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:14:51,349 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:14:51,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:14:51,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:14:51,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:14:51,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:14:51,394 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:14:51,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-11 17:14:51,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aad2a7653/e2c0b127ba1b4331837fbe49f9a9dea9/FLAGcc264adfd [2019-09-11 17:14:51,926 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:14:51,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-11 17:14:51,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aad2a7653/e2c0b127ba1b4331837fbe49f9a9dea9/FLAGcc264adfd [2019-09-11 17:14:52,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aad2a7653/e2c0b127ba1b4331837fbe49f9a9dea9 [2019-09-11 17:14:52,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:14:52,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:14:52,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:14:52,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:14:52,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:14:52,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f59ac88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52, skipping insertion in model container [2019-09-11 17:14:52,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,312 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:14:52,373 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:14:52,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:14:52,789 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:14:52,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:14:52,895 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:14:52,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52 WrapperNode [2019-09-11 17:14:52,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:14:52,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:14:52,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:14:52,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:14:52,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (1/1) ... [2019-09-11 17:14:52,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:14:52,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:14:52,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:14:52,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:14:52,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:14:52" (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 17:14:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:14:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:14:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:14:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:14:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:14:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:14:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:14:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:14:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:14:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:14:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:14:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:14:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:14:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:14:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:14:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:14:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:14:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:14:53,819 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:14:53,819 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:14:53,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:14:53 BoogieIcfgContainer [2019-09-11 17:14:53,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:14:53,822 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:14:53,822 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:14:53,822 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:14:53,823 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:14:53" (1/1) ... [2019-09-11 17:14:53,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:14:54,000 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:14:56,561 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:14:56,598 INFO L272 AbstractInterpreter]: Visited 272 different actions 3365 times. Merged at 170 different actions 2029 times. Widened at 45 different actions 355 times. Performed 8667 root evaluator evaluations with a maximum evaluation depth of 5. Performed 8667 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 730 fixpoints after 99 different actions. Largest state had 136 variables. [2019-09-11 17:14:56,598 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:14:56,602 INFO L168 Benchmark]: Toolchain (without parser) took 4303.29 ms. Allocated memory was 132.6 MB in the beginning and 328.2 MB in the end (delta: 195.6 MB). Free memory was 87.2 MB in the beginning and 218.3 MB in the end (delta: -131.1 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:14:56,603 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:14:56,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.55 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 168.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:14:56,605 INFO L168 Benchmark]: Boogie Preprocessor took 61.72 ms. Allocated memory is still 200.3 MB. Free memory was 168.7 MB in the beginning and 166.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:14:56,606 INFO L168 Benchmark]: RCFGBuilder took 862.31 ms. Allocated memory is still 200.3 MB. Free memory was 166.2 MB in the beginning and 106.4 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:14:56,607 INFO L168 Benchmark]: Abstract Interpretation took 2776.52 ms. Allocated memory was 200.3 MB in the beginning and 328.2 MB in the end (delta: 127.9 MB). Free memory was 105.8 MB in the beginning and 218.3 MB in the end (delta: -112.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:14:56,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.55 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 168.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.72 ms. Allocated memory is still 200.3 MB. Free memory was 168.7 MB in the beginning and 166.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 862.31 ms. Allocated memory is still 200.3 MB. Free memory was 166.2 MB in the beginning and 106.4 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2776.52 ms. Allocated memory was 200.3 MB in the beginning and 328.2 MB in the end (delta: 127.9 MB). Free memory was 105.8 MB in the beginning and 218.3 MB in the end (delta: -112.5 MB). Peak memory consumption was 15.4 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_6321; [L45] int __return_6399; [L46] int __return_6462; [L47] int __tmp_6490_0; [L48] int __return_6532; [L49] int __tmp_6533_0; [L50] int __return_6546; [L51] int __return_6718; [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_6321 = init__tmp [L111] main__i2 = __return_6321 [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 TRUE !(alive1 == 0) [L134] int node1____CPAchecker_TMP_0; [L135] COND TRUE send1 != nomsg [L137] COND TRUE p1_new == nomsg [L139] node1____CPAchecker_TMP_0 = send1 [L141] p1_new = node1____CPAchecker_TMP_0 [L143] mode1 = 1 [L145] msg_t node2__m2; [L146] node2__m2 = nomsg [L147] COND FALSE !(!(mode2 == 0)) [L153] COND FALSE !(!(alive2 == 0)) [L974] COND FALSE !(((int)send2) != ((int)id2)) [L164] mode2 = 1 [L166] msg_t node3__m3; [L167] node3__m3 = nomsg [L168] COND FALSE !(!(mode3 == 0)) [L174] COND FALSE !(!(alive3 == 0)) [L930] 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_6399 = check__tmp [L200] main__c1 = __return_6399 [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 TRUE ((int)node2__m2) != ((int)nomsg) [L243] COND TRUE !(alive2 == 0) [L245] COND FALSE !(((int)node2__m2) > ((int)id2)) [L841] COND TRUE ((int)node2__m2) == ((int)id2) [L843] st2 = 1 [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 FALSE !(((int)node3__m3) != ((int)nomsg)) [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) [L801] check__tmp = 0 [L802] __return_6718 = check__tmp [L803] main__c1 = __return_6718 [L804] __tmp_6533_0 = main____CPAchecker_TMP_0 [L375] main____CPAchecker_TMP_0 = __tmp_6533_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...