/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 21:41:04,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 21:41:04,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 21:41:04,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 21:41:04,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 21:41:04,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 21:41:04,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 21:41:04,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 21:41:04,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 21:41:04,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 21:41:04,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 21:41:04,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 21:41:04,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 21:41:04,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 21:41:04,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 21:41:04,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 21:41:04,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 21:41:04,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 21:41:04,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 21:41:04,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 21:41:04,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 21:41:04,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 21:41:04,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 21:41:04,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 21:41:04,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 21:41:04,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 21:41:04,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 21:41:04,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 21:41:04,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 21:41:04,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 21:41:04,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 21:41:04,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 21:41:04,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 21:41:04,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 21:41:04,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 21:41:04,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 21:41:04,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 21:41:04,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 21:41:04,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 21:41:04,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 21:41:04,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 21:41:04,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 21:41:04,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 21:41:04,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 21:41:04,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 21:41:04,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 21:41:04,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 21:41:04,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 21:41:04,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 21:41:04,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 21:41:04,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 21:41:04,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 21:41:04,762 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 21:41:04,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 21:41:04,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 21:41:04,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:41:04,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 21:41:04,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 21:41:04,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 21:41:04,764 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 21:41:05,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 21:41:05,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 21:41:05,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 21:41:05,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 21:41:05,219 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 21:41:05,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c [2021-02-21 21:41:05,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/826172377/fe8084524ca44d2c81197e01919abbf7/FLAG41a7aafd9 [2021-02-21 21:41:05,950 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 21:41:05,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c [2021-02-21 21:41:05,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/826172377/fe8084524ca44d2c81197e01919abbf7/FLAG41a7aafd9 [2021-02-21 21:41:06,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/826172377/fe8084524ca44d2c81197e01919abbf7 [2021-02-21 21:41:06,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 21:41:06,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 21:41:06,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 21:41:06,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 21:41:06,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 21:41:06,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c2d738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06, skipping insertion in model container [2021-02-21 21:41:06,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 21:41:06,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 21:41:06,629 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c[401,414] [2021-02-21 21:41:06,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:41:06,705 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 21:41:06,719 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c[401,414] [2021-02-21 21:41:06,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:41:06,783 INFO L208 MainTranslator]: Completed translation [2021-02-21 21:41:06,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06 WrapperNode [2021-02-21 21:41:06,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 21:41:06,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 21:41:06,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 21:41:06,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 21:41:06,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (1/1) ... [2021-02-21 21:41:06,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 21:41:06,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 21:41:06,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 21:41:06,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 21:41:06,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (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 [2021-02-21 21:41:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 21:41:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 21:41:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 21:41:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-02-21 21:41:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2021-02-21 21:41:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2021-02-21 21:41:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2021-02-21 21:41:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2021-02-21 21:41:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-02-21 21:41:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2021-02-21 21:41:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-02-21 21:41:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2021-02-21 21:41:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-02-21 21:41:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-02-21 21:41:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-02-21 21:41:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-02-21 21:41:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2021-02-21 21:41:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2021-02-21 21:41:06,962 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2021-02-21 21:41:06,963 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2021-02-21 21:41:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2021-02-21 21:41:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 21:41:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 21:41:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 21:41:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 21:41:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 21:41:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 21:41:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-02-21 21:41:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2021-02-21 21:41:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2021-02-21 21:41:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-02-21 21:41:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure master [2021-02-21 21:41:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2021-02-21 21:41:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-02-21 21:41:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2021-02-21 21:41:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-02-21 21:41:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2021-02-21 21:41:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-02-21 21:41:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-02-21 21:41:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-02-21 21:41:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2021-02-21 21:41:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2021-02-21 21:41:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2021-02-21 21:41:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2021-02-21 21:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2021-02-21 21:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 21:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 21:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 21:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 21:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 21:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 21:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 21:41:07,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 21:41:07,658 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 21:41:07,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:41:07 BoogieIcfgContainer [2021-02-21 21:41:07,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 21:41:07,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 21:41:07,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 21:41:07,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 21:41:07,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 09:41:06" (1/3) ... [2021-02-21 21:41:07,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384ef357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:41:07, skipping insertion in model container [2021-02-21 21:41:07,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:41:06" (2/3) ... [2021-02-21 21:41:07,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384ef357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:41:07, skipping insertion in model container [2021-02-21 21:41:07,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:41:07" (3/3) ... [2021-02-21 21:41:07,670 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c [2021-02-21 21:41:07,677 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 21:41:07,682 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 21:41:07,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 21:41:07,719 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 21:41:07,720 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 21:41:07,720 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 21:41:07,720 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 21:41:07,720 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 21:41:07,720 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 21:41:07,720 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 21:41:07,720 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 21:41:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2021-02-21 21:41:07,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-02-21 21:41:07,758 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:41:07,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 21:41:07,760 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:41:07,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:41:07,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2035889959, now seen corresponding path program 1 times [2021-02-21 21:41:07,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:41:07,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789164246] [2021-02-21 21:41:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:41:07,860 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:41:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:08,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:08,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:08,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:41:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 21:41:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 21:41:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-21 21:41:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:08,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-21 21:41:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 21:41:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:08,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 21:41:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 21:41:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-02-21 21:41:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 21:41:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:08,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:08,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:08,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:41:08,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789164246] [2021-02-21 21:41:08,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:41:08,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 21:41:08,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44203356] [2021-02-21 21:41:08,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 21:41:08,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:41:08,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 21:41:08,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-02-21 21:41:08,653 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 8 states. [2021-02-21 21:41:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:41:11,704 INFO L93 Difference]: Finished difference Result 809 states and 1163 transitions. [2021-02-21 21:41:11,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-21 21:41:11,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2021-02-21 21:41:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:41:11,730 INFO L225 Difference]: With dead ends: 809 [2021-02-21 21:41:11,730 INFO L226 Difference]: Without dead ends: 612 [2021-02-21 21:41:11,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-21 21:41:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2021-02-21 21:41:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 358. [2021-02-21 21:41:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2021-02-21 21:41:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 442 transitions. [2021-02-21 21:41:11,925 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 442 transitions. Word has length 110 [2021-02-21 21:41:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:41:11,926 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 442 transitions. [2021-02-21 21:41:11,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 21:41:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 442 transitions. [2021-02-21 21:41:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-02-21 21:41:11,933 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:41:11,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 21:41:11,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 21:41:11,934 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:41:11,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:41:11,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1391662035, now seen corresponding path program 1 times [2021-02-21 21:41:11,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:41:11,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139129574] [2021-02-21 21:41:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:41:11,940 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:41:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:11,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:11,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:11,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:11,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:11,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:11,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:41:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 21:41:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 21:41:12,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 21:41:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-21 21:41:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-21 21:41:12,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-21 21:41:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 21:41:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 21:41:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 21:41:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-02-21 21:41:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 21:41:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:12,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:12,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:41:12,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139129574] [2021-02-21 21:41:12,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:41:12,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 21:41:12,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809968832] [2021-02-21 21:41:12,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 21:41:12,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:41:12,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 21:41:12,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 21:41:12,155 INFO L87 Difference]: Start difference. First operand 358 states and 442 transitions. Second operand 8 states. [2021-02-21 21:41:13,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:41:13,650 INFO L93 Difference]: Finished difference Result 844 states and 1092 transitions. [2021-02-21 21:41:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 21:41:13,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2021-02-21 21:41:13,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:41:13,665 INFO L225 Difference]: With dead ends: 844 [2021-02-21 21:41:13,665 INFO L226 Difference]: Without dead ends: 529 [2021-02-21 21:41:13,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-02-21 21:41:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-02-21 21:41:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 349. [2021-02-21 21:41:13,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2021-02-21 21:41:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 427 transitions. [2021-02-21 21:41:13,836 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 427 transitions. Word has length 111 [2021-02-21 21:41:13,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:41:13,839 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 427 transitions. [2021-02-21 21:41:13,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 21:41:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 427 transitions. [2021-02-21 21:41:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-02-21 21:41:13,851 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:41:13,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 21:41:13,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 21:41:13,852 INFO L428 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:41:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:41:13,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1382199411, now seen corresponding path program 1 times [2021-02-21 21:41:13,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:41:13,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661718456] [2021-02-21 21:41:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:41:13,859 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:41:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:13,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:13,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:14,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:14,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:14,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:14,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:14,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:41:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:41:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 21:41:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 21:41:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-21 21:41:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-21 21:41:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 21:41:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 21:41:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 21:41:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-02-21 21:41:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 21:41:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:41:14,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:14,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:41:14,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661718456] [2021-02-21 21:41:14,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:41:14,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 21:41:14,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238991962] [2021-02-21 21:41:14,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 21:41:14,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:41:14,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 21:41:14,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:41:14,170 INFO L87 Difference]: Start difference. First operand 349 states and 427 transitions. Second operand 7 states. [2021-02-21 21:41:16,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:41:16,064 INFO L93 Difference]: Finished difference Result 1287 states and 1730 transitions. [2021-02-21 21:41:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-21 21:41:16,065 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2021-02-21 21:41:16,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:41:16,073 INFO L225 Difference]: With dead ends: 1287 [2021-02-21 21:41:16,073 INFO L226 Difference]: Without dead ends: 981 [2021-02-21 21:41:16,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2021-02-21 21:41:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2021-02-21 21:41:16,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 670. [2021-02-21 21:41:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2021-02-21 21:41:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 833 transitions. [2021-02-21 21:41:16,217 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 833 transitions. Word has length 115 [2021-02-21 21:41:16,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:41:16,217 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 833 transitions. [2021-02-21 21:41:16,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 21:41:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 833 transitions. [2021-02-21 21:41:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-21 21:41:16,220 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:41:16,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 21:41:16,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 21:41:16,221 INFO L428 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:41:16,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:41:16,222 INFO L82 PathProgramCache]: Analyzing trace with hash 654511625, now seen corresponding path program 1 times [2021-02-21 21:41:16,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:41:16,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394262113] [2021-02-21 21:41:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:41:16,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:16,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-02-21 21:41:16,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:16,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:16,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:16,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-02-21 21:41:16,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:41:16,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:41:16,549 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 21:41:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 21:41:16,617 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 21:41:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 21:41:16,641 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 21:41:16,697 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-21 21:41:16,698 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 21:41:16,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 21:41:16,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 09:41:16 BoogieIcfgContainer [2021-02-21 21:41:16,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 21:41:16,728 INFO L168 Benchmark]: Toolchain (without parser) took 10414.14 ms. Allocated memory was 152.0 MB in the beginning and 263.2 MB in the end (delta: 111.1 MB). Free memory was 127.5 MB in the beginning and 228.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 8.0 GB. [2021-02-21 21:41:16,729 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 21:41:16,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.26 ms. Allocated memory is still 152.0 MB. Free memory was 126.5 MB in the beginning and 113.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-21 21:41:16,730 INFO L168 Benchmark]: Boogie Preprocessor took 50.98 ms. Allocated memory is still 152.0 MB. Free memory was 113.9 MB in the beginning and 112.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-21 21:41:16,731 INFO L168 Benchmark]: RCFGBuilder took 824.79 ms. Allocated memory is still 152.0 MB. Free memory was 112.0 MB in the beginning and 112.0 MB in the end (delta: 9.8 kB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-02-21 21:41:16,731 INFO L168 Benchmark]: TraceAbstraction took 9063.10 ms. Allocated memory was 152.0 MB in the beginning and 263.2 MB in the end (delta: 111.1 MB). Free memory was 111.5 MB in the beginning and 228.7 MB in the end (delta: -117.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 21:41:16,735 INFO L339 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 152.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 450.26 ms. Allocated memory is still 152.0 MB. Free memory was 126.5 MB in the beginning and 113.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.98 ms. Allocated memory is still 152.0 MB. Free memory was 113.9 MB in the beginning and 112.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 824.79 ms. Allocated memory is still 152.0 MB. Free memory was 112.0 MB in the beginning and 112.0 MB in the end (delta: 9.8 kB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9063.10 ms. Allocated memory was 152.0 MB in the beginning and 263.2 MB in the end (delta: 111.1 MB). Free memory was 111.5 MB in the beginning and 228.7 MB in the end (delta: -117.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int m_pc = 0; [L18] int t1_pc = 0; [L19] int m_st ; [L20] int t1_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int M_E = 2; [L24] int T1_E = 2; [L25] int E_1 = 2; [L441] int __retres1 ; [L445] CALL init_model() [L356] m_i = 1 [L357] t1_i = 1 [L445] RET init_model() [L446] CALL start_simulation() [L382] int kernel_st ; [L383] int tmp ; [L384] int tmp___0 ; [L388] kernel_st = 0 [L389] FCALL update_channels() [L390] CALL init_threads() [L153] COND TRUE m_i == 1 [L154] m_st = 0 [L158] COND TRUE t1_i == 1 [L159] t1_st = 0 [L390] RET init_threads() [L391] CALL fire_delta_events() [L242] COND FALSE !(M_E == 0) [L247] COND FALSE !(T1_E == 0) [L252] COND FALSE !(E_1 == 0) [L391] RET fire_delta_events() [L392] CALL activate_threads() [L285] int tmp ; [L286] int tmp___0 ; [L290] CALL, EXPR is_master_triggered() [L104] int __retres1 ; [L107] COND FALSE !(m_pc == 1) [L117] __retres1 = 0 [L119] return (__retres1); [L290] RET, EXPR is_master_triggered() [L290] tmp = is_master_triggered() [L292] COND FALSE !(\read(tmp)) [L298] CALL, EXPR is_transmit1_triggered() [L123] int __retres1 ; [L126] COND FALSE !(t1_pc == 1) [L136] __retres1 = 0 [L138] return (__retres1); [L298] RET, EXPR is_transmit1_triggered() [L298] tmp___0 = is_transmit1_triggered() [L300] COND FALSE !(\read(tmp___0)) [L392] RET activate_threads() [L393] CALL reset_delta_events() [L265] COND FALSE !(M_E == 1) [L270] COND FALSE !(T1_E == 1) [L275] COND FALSE !(E_1 == 1) [L393] RET reset_delta_events() [L396] COND TRUE 1 [L399] kernel_st = 1 [L400] CALL eval() [L189] int tmp ; [L193] COND TRUE 1 [L196] CALL, EXPR exists_runnable_thread() [L168] int __retres1 ; [L171] COND TRUE m_st == 0 [L172] __retres1 = 1 [L184] return (__retres1); [L196] RET, EXPR exists_runnable_thread() [L196] tmp = exists_runnable_thread() [L198] COND TRUE \read(tmp) [L203] COND TRUE m_st == 0 [L204] int tmp_ndt_1; [L205] tmp_ndt_1 = __VERIFIER_nondet_int() [L206] COND FALSE !(\read(tmp_ndt_1)) [L217] COND TRUE t1_st == 0 [L218] int tmp_ndt_2; [L219] tmp_ndt_2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp_ndt_2) [L222] t1_st = 1 [L223] CALL transmit1() [L74] COND TRUE t1_pc == 0 [L85] COND TRUE 1 [L87] t1_pc = 1 [L88] t1_st = 2 [L223] RET transmit1() [L193] COND TRUE 1 [L196] CALL, EXPR exists_runnable_thread() [L168] int __retres1 ; [L171] COND TRUE m_st == 0 [L172] __retres1 = 1 [L184] return (__retres1); [L196] RET, EXPR exists_runnable_thread() [L196] tmp = exists_runnable_thread() [L198] COND TRUE \read(tmp) [L203] COND TRUE m_st == 0 [L204] int tmp_ndt_1; [L205] tmp_ndt_1 = __VERIFIER_nondet_int() [L206] COND FALSE !(\read(tmp_ndt_1)) [L217] COND TRUE t1_st == 0 [L218] int tmp_ndt_2; [L219] tmp_ndt_2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp_ndt_2) [L222] t1_st = 1 [L223] CALL transmit1() [L74] COND FALSE !(t1_pc == 0) [L77] COND TRUE t1_pc == 1 [L93] CALL error() [L13] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 633 SDtfs, 2457 SDslu, 179 SDs, 0 SdLazy, 2713 SolverSat, 926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=670occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 745 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...