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/systemc/token_ring.11.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:42:15,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:42:15,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:42:15,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:42:15,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:42:15,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:42:15,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:42:15,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:42:15,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:42:15,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:42:15,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:42:15,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:42:15,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:42:15,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:42:15,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:42:15,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:42:15,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:42:15,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:42:15,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:42:15,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:42:15,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:42:15,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:42:15,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:42:15,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:42:15,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:42:15,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:42:15,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:42:15,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:42:15,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:42:15,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:42:15,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:42:15,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:42:15,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:42:15,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:42:15,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:42:15,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:42:15,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:42:15,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:42:15,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:42:15,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:42:15,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:42:15,071 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 16:42:15,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:42:15,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:42:15,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:42:15,086 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:42:15,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:42:15,087 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:42:15,087 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:42:15,087 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:42:15,088 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:42:15,088 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:42:15,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:42:15,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:42:15,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:42:15,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:42:15,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:42:15,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:42:15,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:42:15,090 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:42:15,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:42:15,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:42:15,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:42:15,091 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:42:15,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:42:15,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:42:15,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:42:15,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:42:15,092 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:42:15,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:42:15,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:42:15,092 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:42:15,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:42:15,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:42:15,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:42:15,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:42:15,137 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:42:15,137 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-1.c [2019-09-11 16:42:15,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb6a7561/13c1b0b4d3da47418180027f45de079f/FLAG647732f2f [2019-09-11 16:42:15,663 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:42:15,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.11.cil-1.c [2019-09-11 16:42:15,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb6a7561/13c1b0b4d3da47418180027f45de079f/FLAG647732f2f [2019-09-11 16:42:15,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb6a7561/13c1b0b4d3da47418180027f45de079f [2019-09-11 16:42:16,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:42:16,001 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:42:16,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:42:16,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:42:16,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:42:16,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:42:15" (1/1) ... [2019-09-11 16:42:16,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164487eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16, skipping insertion in model container [2019-09-11 16:42:16,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:42:15" (1/1) ... [2019-09-11 16:42:16,017 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:42:16,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:42:16,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:42:16,588 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:42:16,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:42:16,757 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:42:16,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16 WrapperNode [2019-09-11 16:42:16,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:42:16,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:42:16,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:42:16,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:42:16,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (1/1) ... [2019-09-11 16:42:16,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:42:16,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:42:16,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:42:16,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:42:16,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:42:16" (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 16:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-11 16:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-11 16:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-11 16:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-11 16:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-11 16:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-11 16:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-09-11 16:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-09-11 16:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2019-09-11 16:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2019-09-11 16:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2019-09-11 16:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2019-09-11 16:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2019-09-11 16:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-11 16:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-11 16:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-11 16:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-11 16:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-11 16:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-09-11 16:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-09-11 16:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2019-09-11 16:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2019-09-11 16:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2019-09-11 16:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-11 16:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-11 16:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-11 16:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-11 16:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-11 16:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-11 16:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-11 16:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-11 16:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-11 16:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-11 16:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-11 16:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-11 16:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-09-11 16:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-09-11 16:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2019-09-11 16:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2019-09-11 16:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2019-09-11 16:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2019-09-11 16:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2019-09-11 16:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-11 16:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-09-11 16:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-11 16:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-11 16:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-11 16:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-11 16:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-11 16:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-11 16:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-11 16:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-11 16:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-11 16:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-11 16:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-11 16:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:42:18,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:42:18,124 INFO L283 CfgBuilder]: Removed 14 assume(true) statements. [2019-09-11 16:42:18,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:42:18 BoogieIcfgContainer [2019-09-11 16:42:18,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:42:18,127 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:42:18,127 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:42:18,127 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:42:18,128 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:42:18" (1/1) ... [2019-09-11 16:42:18,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:50:35,092 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:50:35,152 INFO L272 AbstractInterpreter]: Visited 685 different actions 417460 times. Merged at 285 different actions 105432 times. Widened at 8 different actions 24 times. Performed 5753424 root evaluator evaluations with a maximum evaluation depth of 5. Performed 5753424 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 28138 fixpoints after 142 different actions. Largest state had 150 variables. [2019-09-11 16:50:35,152 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:50:35,155 INFO L168 Benchmark]: Toolchain (without parser) took 499152.45 ms. Allocated memory was 145.2 MB in the beginning and 6.1 GB in the end (delta: 6.0 GB). Free memory was 93.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. [2019-09-11 16:50:35,155 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:50:35,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.46 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 92.5 MB in the beginning and 173.2 MB in the end (delta: -80.7 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:50:35,157 INFO L168 Benchmark]: Boogie Preprocessor took 140.55 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:50:35,158 INFO L168 Benchmark]: RCFGBuilder took 1226.32 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 189.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:50:35,159 INFO L168 Benchmark]: Abstract Interpretation took 497025.48 ms. Allocated memory was 235.9 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 189.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. [2019-09-11 16:50:35,163 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 145.2 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.46 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 92.5 MB in the beginning and 173.2 MB in the end (delta: -80.7 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.55 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1226.32 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 189.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 497025.48 ms. Allocated memory was 235.9 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 189.7 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: 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: [L14] int m_pc = 0; [L15] int t1_pc = 0; [L16] int t2_pc = 0; [L17] int t3_pc = 0; [L18] int t4_pc = 0; [L19] int t5_pc = 0; [L20] int t6_pc = 0; [L21] int t7_pc = 0; [L22] int t8_pc = 0; [L23] int t9_pc = 0; [L24] int t10_pc = 0; [L25] int t11_pc = 0; [L26] int m_st ; [L27] int t1_st ; [L28] int t2_st ; [L29] int t3_st ; [L30] int t4_st ; [L31] int t5_st ; [L32] int t6_st ; [L33] int t7_st ; [L34] int t8_st ; [L35] int t9_st ; [L36] int t10_st ; [L37] int t11_st ; [L38] int m_i ; [L39] int t1_i ; [L40] int t2_i ; [L41] int t3_i ; [L42] int t4_i ; [L43] int t5_i ; [L44] int t6_i ; [L45] int t7_i ; [L46] int t8_i ; [L47] int t9_i ; [L48] int t10_i ; [L49] int t11_i ; [L50] int M_E = 2; [L51] int T1_E = 2; [L52] int T2_E = 2; [L53] int T3_E = 2; [L54] int T4_E = 2; [L55] int T5_E = 2; [L56] int T6_E = 2; [L57] int T7_E = 2; [L58] int T8_E = 2; [L59] int T9_E = 2; [L60] int T10_E = 2; [L61] int T11_E = 2; [L62] int E_M = 2; [L63] int E_1 = 2; [L64] int E_2 = 2; [L65] int E_3 = 2; [L66] int E_4 = 2; [L67] int E_5 = 2; [L68] int E_6 = 2; [L69] int E_7 = 2; [L70] int E_8 = 2; [L71] int E_9 = 2; [L72] int E_10 = 2; [L73] int E_11 = 2; [L87] int token ; [L89] int local ; [L1725] int __retres1 ; [L1729] CALL init_model() [L1630] m_i = 1 [L1631] t1_i = 1 [L1632] t2_i = 1 [L1633] t3_i = 1 [L1634] t4_i = 1 [L1635] t5_i = 1 [L1636] t6_i = 1 [L1637] t7_i = 1 [L1638] t8_i = 1 [L1639] t9_i = 1 [L1640] t10_i = 1 [L1641] t11_i = 1 [L1729] RET init_model() [L1730] CALL start_simulation() [L1666] int kernel_st ; [L1667] int tmp ; [L1668] int tmp___0 ; [L1672] kernel_st = 0 [L1673] FCALL update_channels() [L1674] CALL init_threads() [L782] COND TRUE m_i == 1 [L783] m_st = 0 [L787] COND TRUE t1_i == 1 [L788] t1_st = 0 [L792] COND TRUE t2_i == 1 [L793] t2_st = 0 [L797] COND TRUE t3_i == 1 [L798] t3_st = 0 [L802] COND TRUE t4_i == 1 [L803] t4_st = 0 [L807] COND TRUE t5_i == 1 [L808] t5_st = 0 [L812] COND TRUE t6_i == 1 [L813] t6_st = 0 [L817] COND TRUE t7_i == 1 [L818] t7_st = 0 [L822] COND TRUE t8_i == 1 [L823] t8_st = 0 [L827] COND TRUE t9_i == 1 [L828] t9_st = 0 [L832] COND TRUE t10_i == 1 [L833] t10_st = 0 [L837] COND TRUE t11_i == 1 [L838] t11_st = 0 [L1674] RET init_threads() [L1675] CALL fire_delta_events() [L1111] COND FALSE !(M_E == 0) [L1116] COND FALSE !(T1_E == 0) [L1121] COND FALSE !(T2_E == 0) [L1126] COND FALSE !(T3_E == 0) [L1131] COND FALSE !(T4_E == 0) [L1136] COND FALSE !(T5_E == 0) [L1141] COND FALSE !(T6_E == 0) [L1146] COND FALSE !(T7_E == 0) [L1151] COND FALSE !(T8_E == 0) [L1156] COND FALSE !(T9_E == 0) [L1161] COND FALSE !(T10_E == 0) [L1166] COND FALSE !(T11_E == 0) [L1171] COND FALSE !(E_M == 0) [L1176] COND FALSE !(E_1 == 0) [L1181] COND FALSE !(E_2 == 0) [L1186] COND FALSE !(E_3 == 0) [L1191] COND FALSE !(E_4 == 0) [L1196] COND FALSE !(E_5 == 0) [L1201] COND FALSE !(E_6 == 0) [L1206] COND FALSE !(E_7 == 0) [L1211] COND FALSE !(E_8 == 0) [L1216] COND FALSE !(E_9 == 0) [L1221] COND FALSE !(E_10 == 0) [L1226] COND FALSE !(E_11 == 0) [L1675] RET fire_delta_events() [L1676] CALL activate_threads() [L1364] int tmp ; [L1365] int tmp___0 ; [L1366] int tmp___1 ; [L1367] int tmp___2 ; [L1368] int tmp___3 ; [L1369] int tmp___4 ; [L1370] int tmp___5 ; [L1371] int tmp___6 ; [L1372] int tmp___7 ; [L1373] int tmp___8 ; [L1374] int tmp___9 ; [L1375] int tmp___10 ; [L1379] CALL, EXPR is_master_triggered() [L543] int __retres1 ; [L546] COND FALSE !(m_pc == 1) [L556] __retres1 = 0 [L558] return (__retres1); [L1379] RET, EXPR is_master_triggered() [L1379] tmp = is_master_triggered() [L1381] COND FALSE !(\read(tmp)) [L1387] CALL, EXPR is_transmit1_triggered() [L562] int __retres1 ; [L565] COND FALSE !(t1_pc == 1) [L575] __retres1 = 0 [L577] return (__retres1); [L1387] RET, EXPR is_transmit1_triggered() [L1387] tmp___0 = is_transmit1_triggered() [L1389] COND FALSE !(\read(tmp___0)) [L1395] CALL, EXPR is_transmit2_triggered() [L581] int __retres1 ; [L584] COND FALSE !(t2_pc == 1) [L594] __retres1 = 0 [L596] return (__retres1); [L1395] RET, EXPR is_transmit2_triggered() [L1395] tmp___1 = is_transmit2_triggered() [L1397] COND FALSE !(\read(tmp___1)) [L1403] CALL, EXPR is_transmit3_triggered() [L600] int __retres1 ; [L603] COND FALSE !(t3_pc == 1) [L613] __retres1 = 0 [L615] return (__retres1); [L1403] RET, EXPR is_transmit3_triggered() [L1403] tmp___2 = is_transmit3_triggered() [L1405] COND FALSE !(\read(tmp___2)) [L1411] CALL, EXPR is_transmit4_triggered() [L619] int __retres1 ; [L622] COND FALSE !(t4_pc == 1) [L632] __retres1 = 0 [L634] return (__retres1); [L1411] RET, EXPR is_transmit4_triggered() [L1411] tmp___3 = is_transmit4_triggered() [L1413] COND FALSE !(\read(tmp___3)) [L1419] CALL, EXPR is_transmit5_triggered() [L638] int __retres1 ; [L641] COND FALSE !(t5_pc == 1) [L651] __retres1 = 0 [L653] return (__retres1); [L1419] RET, EXPR is_transmit5_triggered() [L1419] tmp___4 = is_transmit5_triggered() [L1421] COND FALSE !(\read(tmp___4)) [L1427] CALL, EXPR is_transmit6_triggered() [L657] int __retres1 ; [L660] COND FALSE !(t6_pc == 1) [L670] __retres1 = 0 [L672] return (__retres1); [L1427] RET, EXPR is_transmit6_triggered() [L1427] tmp___5 = is_transmit6_triggered() [L1429] COND FALSE !(\read(tmp___5)) [L1435] CALL, EXPR is_transmit7_triggered() [L676] int __retres1 ; [L679] COND FALSE !(t7_pc == 1) [L689] __retres1 = 0 [L691] return (__retres1); [L1435] RET, EXPR is_transmit7_triggered() [L1435] tmp___6 = is_transmit7_triggered() [L1437] COND FALSE !(\read(tmp___6)) [L1443] CALL, EXPR is_transmit8_triggered() [L695] int __retres1 ; [L698] COND FALSE !(t8_pc == 1) [L708] __retres1 = 0 [L710] return (__retres1); [L1443] RET, EXPR is_transmit8_triggered() [L1443] tmp___7 = is_transmit8_triggered() [L1445] COND FALSE !(\read(tmp___7)) [L1451] CALL, EXPR is_transmit9_triggered() [L714] int __retres1 ; [L717] COND FALSE !(t9_pc == 1) [L727] __retres1 = 0 [L729] return (__retres1); [L1451] RET, EXPR is_transmit9_triggered() [L1451] tmp___8 = is_transmit9_triggered() [L1453] COND FALSE !(\read(tmp___8)) [L1459] CALL, EXPR is_transmit10_triggered() [L733] int __retres1 ; [L736] COND FALSE !(t10_pc == 1) [L746] __retres1 = 0 [L748] return (__retres1); [L1459] RET, EXPR is_transmit10_triggered() [L1459] tmp___9 = is_transmit10_triggered() [L1461] COND FALSE !(\read(tmp___9)) [L1467] CALL, EXPR is_transmit11_triggered() [L752] int __retres1 ; [L755] COND FALSE !(t11_pc == 1) [L765] __retres1 = 0 [L767] return (__retres1); [L1467] RET, EXPR is_transmit11_triggered() [L1467] tmp___10 = is_transmit11_triggered() [L1469] COND FALSE !(\read(tmp___10)) [L1676] RET activate_threads() [L1677] CALL reset_delta_events() [L1239] COND FALSE !(M_E == 1) [L1244] COND FALSE !(T1_E == 1) [L1249] COND FALSE !(T2_E == 1) [L1254] COND FALSE !(T3_E == 1) [L1259] COND FALSE !(T4_E == 1) [L1264] COND FALSE !(T5_E == 1) [L1269] COND FALSE !(T6_E == 1) [L1274] COND FALSE !(T7_E == 1) [L1279] COND FALSE !(T8_E == 1) [L1284] COND FALSE !(T9_E == 1) [L1289] COND FALSE !(T10_E == 1) [L1294] COND FALSE !(T11_E == 1) [L1299] COND FALSE !(E_M == 1) [L1304] COND FALSE !(E_1 == 1) [L1309] COND FALSE !(E_2 == 1) [L1314] COND FALSE !(E_3 == 1) [L1319] COND FALSE !(E_4 == 1) [L1324] COND FALSE !(E_5 == 1) [L1329] COND FALSE !(E_6 == 1) [L1334] COND FALSE !(E_7 == 1) [L1339] COND FALSE !(E_8 == 1) [L1344] COND FALSE !(E_9 == 1) [L1349] COND FALSE !(E_10 == 1) [L1354] COND FALSE !(E_11 == 1) [L1677] RET reset_delta_events() [L1680] COND TRUE 1 [L1683] kernel_st = 1 [L1684] CALL eval() [L918] int tmp ; [L922] COND TRUE 1 [L925] CALL, EXPR exists_runnable_thread() [L847] int __retres1 ; [L850] COND TRUE m_st == 0 [L851] __retres1 = 1 [L913] return (__retres1); [L925] RET, EXPR exists_runnable_thread() [L925] tmp = exists_runnable_thread() [L927] COND TRUE \read(tmp) [L932] COND TRUE m_st == 0 [L933] int tmp_ndt_1; [L934] tmp_ndt_1 = __VERIFIER_nondet_int() [L935] COND TRUE \read(tmp_ndt_1) [L937] m_st = 1 [L938] CALL master() [L92] int tmp_var = __VERIFIER_nondet_int(); [L94] COND TRUE m_pc == 0 [L105] COND TRUE 1 [L108] token = __VERIFIER_nondet_int() [L109] local = token [L110] E_1 = 1 [L111] CALL immediate_notify() [L1483] CALL activate_threads() [L1364] int tmp ; [L1365] int tmp___0 ; [L1366] int tmp___1 ; [L1367] int tmp___2 ; [L1368] int tmp___3 ; [L1369] int tmp___4 ; [L1370] int tmp___5 ; [L1371] int tmp___6 ; [L1372] int tmp___7 ; [L1373] int tmp___8 ; [L1374] int tmp___9 ; [L1375] int tmp___10 ; [L1379] CALL, EXPR is_master_triggered() [L543] int __retres1 ; [L546] COND FALSE !(m_pc == 1) [L556] __retres1 = 0 [L558] return (__retres1); [L1379] RET, EXPR is_master_triggered() [L1379] tmp = is_master_triggered() [L1381] COND FALSE !(\read(tmp)) [L1387] CALL, EXPR is_transmit1_triggered() [L562] int __retres1 ; [L565] COND FALSE !(t1_pc == 1) [L575] __retres1 = 0 [L577] return (__retres1); [L1387] RET, EXPR is_transmit1_triggered() [L1387] tmp___0 = is_transmit1_triggered() [L1389] COND FALSE !(\read(tmp___0)) [L1395] CALL, EXPR is_transmit2_triggered() [L581] int __retres1 ; [L584] COND FALSE !(t2_pc == 1) [L594] __retres1 = 0 [L596] return (__retres1); [L1395] RET, EXPR is_transmit2_triggered() [L1395] tmp___1 = is_transmit2_triggered() [L1397] COND FALSE !(\read(tmp___1)) [L1403] CALL, EXPR is_transmit3_triggered() [L600] int __retres1 ; [L603] COND FALSE !(t3_pc == 1) [L613] __retres1 = 0 [L615] return (__retres1); [L1403] RET, EXPR is_transmit3_triggered() [L1403] tmp___2 = is_transmit3_triggered() [L1405] COND FALSE !(\read(tmp___2)) [L1411] CALL, EXPR is_transmit4_triggered() [L619] int __retres1 ; [L622] COND FALSE !(t4_pc == 1) [L632] __retres1 = 0 [L634] return (__retres1); [L1411] RET, EXPR is_transmit4_triggered() [L1411] tmp___3 = is_transmit4_triggered() [L1413] COND FALSE !(\read(tmp___3)) [L1419] CALL, EXPR is_transmit5_triggered() [L638] int __retres1 ; [L641] COND FALSE !(t5_pc == 1) [L651] __retres1 = 0 [L653] return (__retres1); [L1419] RET, EXPR is_transmit5_triggered() [L1419] tmp___4 = is_transmit5_triggered() [L1421] COND FALSE !(\read(tmp___4)) [L1427] CALL, EXPR is_transmit6_triggered() [L657] int __retres1 ; [L660] COND FALSE !(t6_pc == 1) [L670] __retres1 = 0 [L672] return (__retres1); [L1427] RET, EXPR is_transmit6_triggered() [L1427] tmp___5 = is_transmit6_triggered() [L1429] COND FALSE !(\read(tmp___5)) [L1435] CALL, EXPR is_transmit7_triggered() [L676] int __retres1 ; [L679] COND FALSE !(t7_pc == 1) [L689] __retres1 = 0 [L691] return (__retres1); [L1435] RET, EXPR is_transmit7_triggered() [L1435] tmp___6 = is_transmit7_triggered() [L1437] COND FALSE !(\read(tmp___6)) [L1443] CALL, EXPR is_transmit8_triggered() [L695] int __retres1 ; [L698] COND FALSE !(t8_pc == 1) [L708] __retres1 = 0 [L710] return (__retres1); [L1443] RET, EXPR is_transmit8_triggered() [L1443] tmp___7 = is_transmit8_triggered() [L1445] COND FALSE !(\read(tmp___7)) [L1451] CALL, EXPR is_transmit9_triggered() [L714] int __retres1 ; [L717] COND FALSE !(t9_pc == 1) [L727] __retres1 = 0 [L729] return (__retres1); [L1451] RET, EXPR is_transmit9_triggered() [L1451] tmp___8 = is_transmit9_triggered() [L1453] COND FALSE !(\read(tmp___8)) [L1459] CALL, EXPR is_transmit10_triggered() [L733] int __retres1 ; [L736] COND FALSE !(t10_pc == 1) [L746] __retres1 = 0 [L748] return (__retres1); [L1459] RET, EXPR is_transmit10_triggered() [L1459] tmp___9 = is_transmit10_triggered() [L1461] COND FALSE !(\read(tmp___9)) [L1467] CALL, EXPR is_transmit11_triggered() [L752] int __retres1 ; [L755] COND FALSE !(t11_pc == 1) [L765] __retres1 = 0 [L767] return (__retres1); [L1467] RET, EXPR is_transmit11_triggered() [L1467] tmp___10 = is_transmit11_triggered() [L1469] COND FALSE !(\read(tmp___10)) [L1483] RET activate_threads() [L111] RET immediate_notify() [L112] E_1 = 2 [L113] m_pc = 1 [L114] m_st = 2 [L938] RET master() [L946] COND TRUE t1_st == 0 [L947] int tmp_ndt_2; [L948] tmp_ndt_2 = __VERIFIER_nondet_int() [L949] COND TRUE \read(tmp_ndt_2) [L951] t1_st = 1 [L952] CALL transmit1() [L150] COND TRUE t1_pc == 0 [L161] COND TRUE 1 [L163] t1_pc = 1 [L164] t1_st = 2 [L952] RET transmit1() [L960] COND FALSE !(t2_st == 0) [L974] COND FALSE !(t3_st == 0) [L988] COND FALSE !(t4_st == 0) [L1002] COND FALSE !(t5_st == 0) [L1016] COND FALSE !(t6_st == 0) [L1030] COND FALSE !(t7_st == 0) [L1044] COND FALSE !(t8_st == 0) [L1058] COND FALSE !(t9_st == 0) [L1072] COND FALSE !(t10_st == 0) [L1086] COND FALSE !(t11_st == 0) [L922] COND TRUE 1 [L925] CALL, EXPR exists_runnable_thread() [L847] int __retres1 ; [L850] COND TRUE m_st == 0 [L851] __retres1 = 1 [L913] return (__retres1); [L925] RET, EXPR exists_runnable_thread() [L925] tmp = exists_runnable_thread() [L927] COND TRUE \read(tmp) [L932] COND TRUE m_st == 0 [L933] int tmp_ndt_1; [L934] tmp_ndt_1 = __VERIFIER_nondet_int() [L935] COND TRUE \read(tmp_ndt_1) [L937] m_st = 1 [L938] CALL master() [L92] int tmp_var = __VERIFIER_nondet_int(); [L94] COND FALSE !(m_pc == 0) [L97] COND TRUE m_pc == 1 [L119] COND TRUE token != local + 11 [L121] CALL error() [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...