java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:52,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:52,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:52,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:52,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:52,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:52,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:52,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:52,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:52,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:52,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:52,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:52,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:52,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:52,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:52,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:52,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:52,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:52,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:52,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:52,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:52,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:52,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:52,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:52,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:52,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:52,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:52,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:52,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:52,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:52,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:52,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:52,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:52,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:52,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:52,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:52,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:52,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:52,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:52,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:52,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:52,366 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 [2019-09-20 13:31:52,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:52,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:52,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:52,389 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:52,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:52,389 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:52,390 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:52,390 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:52,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:52,390 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:52,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:52,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:52,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:52,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:52,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:52,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:52,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:52,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:52,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:52,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:52,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:52,393 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:52,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:52,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:52,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:52,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:52,395 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:52,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:52,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:52,395 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:52,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:52,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:52,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:52,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:52,459 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:52,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 13:31:52,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613e061ec/6c6a3bc077d9439aa1cc2f6a3f1d69a7/FLAGefc15f14b [2019-09-20 13:31:52,983 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:52,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 13:31:52,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613e061ec/6c6a3bc077d9439aa1cc2f6a3f1d69a7/FLAGefc15f14b [2019-09-20 13:31:53,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613e061ec/6c6a3bc077d9439aa1cc2f6a3f1d69a7 [2019-09-20 13:31:53,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:53,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:53,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:53,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:53,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:53,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6f7f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53, skipping insertion in model container [2019-09-20 13:31:53,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:53,407 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:53,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:53,704 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:53,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:53,855 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:53,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53 WrapperNode [2019-09-20 13:31:53,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:53,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:53,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:53,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:53,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (1/1) ... [2019-09-20 13:31:53,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:53,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:53,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:53,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:53,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (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 [2019-09-20 13:31:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 13:31:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 13:31:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 13:31:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 13:31:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 13:31:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 13:31:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 13:31:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 13:31:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 13:31:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 13:31:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 13:31:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 13:31:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 13:31:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 13:31:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 13:31:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 13:31:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 13:31:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 13:31:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 13:31:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 13:31:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 13:31:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 13:31:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 13:31:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 13:31:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 13:31:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 13:31:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 13:31:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 13:31:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 13:31:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 13:31:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 13:31:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 13:31:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 13:31:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 13:31:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:54,515 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:54,515 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:31:54,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:54 BoogieIcfgContainer [2019-09-20 13:31:54,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:54,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:54,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:54,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:54,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:53" (1/3) ... [2019-09-20 13:31:54,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2911fe12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:54, skipping insertion in model container [2019-09-20 13:31:54,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:53" (2/3) ... [2019-09-20 13:31:54,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2911fe12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:54, skipping insertion in model container [2019-09-20 13:31:54,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:54" (3/3) ... [2019-09-20 13:31:54,526 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c [2019-09-20 13:31:54,536 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:54,543 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:54,558 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:54,586 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:54,586 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:54,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:54,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:54,587 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:54,587 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:54,587 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:54,587 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-09-20 13:31:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:54,619 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:54,620 INFO L407 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] [2019-09-20 13:31:54,623 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:54,628 INFO L82 PathProgramCache]: Analyzing trace with hash 742963907, now seen corresponding path program 1 times [2019-09-20 13:31:54,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:54,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:54,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:54,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:54,676 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:31:54,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:54,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:31:54,953 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:54,958 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:31:54,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:31:54,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:31:54,976 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 5 states. [2019-09-20 13:31:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:55,794 INFO L93 Difference]: Finished difference Result 270 states and 351 transitions. [2019-09-20 13:31:55,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:55,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-20 13:31:55,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:55,819 INFO L225 Difference]: With dead ends: 270 [2019-09-20 13:31:55,819 INFO L226 Difference]: Without dead ends: 254 [2019-09-20 13:31:55,825 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:55,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-09-20 13:31:55,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 234. [2019-09-20 13:31:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-09-20 13:31:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 306 transitions. [2019-09-20 13:31:55,963 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 306 transitions. Word has length 70 [2019-09-20 13:31:55,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:55,964 INFO L475 AbstractCegarLoop]: Abstraction has 234 states and 306 transitions. [2019-09-20 13:31:55,964 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:31:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 306 transitions. [2019-09-20 13:31:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:55,978 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:55,979 INFO L407 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] [2019-09-20 13:31:55,979 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:55,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1190139517, now seen corresponding path program 1 times [2019-09-20 13:31:55,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:55,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:55,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:55,987 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:31:56,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:56,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:56,148 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:56,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:56,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:56,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:56,151 INFO L87 Difference]: Start difference. First operand 234 states and 306 transitions. Second operand 6 states. [2019-09-20 13:31:57,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:57,094 INFO L93 Difference]: Finished difference Result 424 states and 575 transitions. [2019-09-20 13:31:57,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:31:57,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-20 13:31:57,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:57,100 INFO L225 Difference]: With dead ends: 424 [2019-09-20 13:31:57,100 INFO L226 Difference]: Without dead ends: 424 [2019-09-20 13:31:57,102 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:57,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-09-20 13:31:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 360. [2019-09-20 13:31:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-09-20 13:31:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 476 transitions. [2019-09-20 13:31:57,144 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 476 transitions. Word has length 70 [2019-09-20 13:31:57,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:57,144 INFO L475 AbstractCegarLoop]: Abstraction has 360 states and 476 transitions. [2019-09-20 13:31:57,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 476 transitions. [2019-09-20 13:31:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:57,147 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:57,147 INFO L407 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] [2019-09-20 13:31:57,147 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:57,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:57,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1543227899, now seen corresponding path program 1 times [2019-09-20 13:31:57,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:57,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:57,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,150 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:31:57,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:57,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:57,231 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:57,232 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:57,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:57,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:57,232 INFO L87 Difference]: Start difference. First operand 360 states and 476 transitions. Second operand 6 states. [2019-09-20 13:31:57,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:57,272 INFO L93 Difference]: Finished difference Result 370 states and 487 transitions. [2019-09-20 13:31:57,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:57,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-20 13:31:57,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:57,277 INFO L225 Difference]: With dead ends: 370 [2019-09-20 13:31:57,277 INFO L226 Difference]: Without dead ends: 370 [2019-09-20 13:31:57,277 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:57,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-09-20 13:31:57,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 365. [2019-09-20 13:31:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-09-20 13:31:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2019-09-20 13:31:57,301 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 70 [2019-09-20 13:31:57,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:57,302 INFO L475 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2019-09-20 13:31:57,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2019-09-20 13:31:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:57,304 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:57,305 INFO L407 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] [2019-09-20 13:31:57,305 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:57,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:57,305 INFO L82 PathProgramCache]: Analyzing trace with hash 507756099, now seen corresponding path program 1 times [2019-09-20 13:31:57,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:57,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:57,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,308 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:31:57,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:57,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:31:57,450 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:57,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:31:57,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:31:57,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:31:57,452 INFO L87 Difference]: Start difference. First operand 365 states and 479 transitions. Second operand 4 states. [2019-09-20 13:31:57,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:57,634 INFO L93 Difference]: Finished difference Result 672 states and 863 transitions. [2019-09-20 13:31:57,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:31:57,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2019-09-20 13:31:57,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:57,639 INFO L225 Difference]: With dead ends: 672 [2019-09-20 13:31:57,639 INFO L226 Difference]: Without dead ends: 672 [2019-09-20 13:31:57,639 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:31:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-09-20 13:31:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 652. [2019-09-20 13:31:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-09-20 13:31:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 835 transitions. [2019-09-20 13:31:57,671 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 835 transitions. Word has length 70 [2019-09-20 13:31:57,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:57,672 INFO L475 AbstractCegarLoop]: Abstraction has 652 states and 835 transitions. [2019-09-20 13:31:57,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:31:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 835 transitions. [2019-09-20 13:31:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:57,674 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:57,674 INFO L407 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] [2019-09-20 13:31:57,675 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:57,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1263714876, now seen corresponding path program 1 times [2019-09-20 13:31:57,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:57,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:57,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,677 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:31:57,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:57,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:57,770 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:57,770 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:57,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:57,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:57,771 INFO L87 Difference]: Start difference. First operand 652 states and 835 transitions. Second operand 6 states. [2019-09-20 13:31:57,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:57,819 INFO L93 Difference]: Finished difference Result 673 states and 853 transitions. [2019-09-20 13:31:57,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:57,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-20 13:31:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:57,826 INFO L225 Difference]: With dead ends: 673 [2019-09-20 13:31:57,826 INFO L226 Difference]: Without dead ends: 673 [2019-09-20 13:31:57,827 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2019-09-20 13:31:57,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 667. [2019-09-20 13:31:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2019-09-20 13:31:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 847 transitions. [2019-09-20 13:31:57,856 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 847 transitions. Word has length 70 [2019-09-20 13:31:57,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:57,857 INFO L475 AbstractCegarLoop]: Abstraction has 667 states and 847 transitions. [2019-09-20 13:31:57,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 847 transitions. [2019-09-20 13:31:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:57,860 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:57,860 INFO L407 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] [2019-09-20 13:31:57,860 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:57,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1123166266, now seen corresponding path program 1 times [2019-09-20 13:31:57,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:57,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:57,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:57,863 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:31:57,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:57,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:57,983 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:57,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:57,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:57,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:58,000 INFO L87 Difference]: Start difference. First operand 667 states and 847 transitions. Second operand 6 states. [2019-09-20 13:31:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:58,869 INFO L93 Difference]: Finished difference Result 833 states and 1049 transitions. [2019-09-20 13:31:58,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:31:58,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-20 13:31:58,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:58,875 INFO L225 Difference]: With dead ends: 833 [2019-09-20 13:31:58,875 INFO L226 Difference]: Without dead ends: 833 [2019-09-20 13:31:58,876 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:31:58,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-09-20 13:31:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 683. [2019-09-20 13:31:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2019-09-20 13:31:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 856 transitions. [2019-09-20 13:31:58,909 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 856 transitions. Word has length 70 [2019-09-20 13:31:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:58,909 INFO L475 AbstractCegarLoop]: Abstraction has 683 states and 856 transitions. [2019-09-20 13:31:58,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 856 transitions. [2019-09-20 13:31:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:58,911 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:58,911 INFO L407 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] [2019-09-20 13:31:58,912 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:58,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:58,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1940814716, now seen corresponding path program 1 times [2019-09-20 13:31:58,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:58,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:58,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:58,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:58,914 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:31:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:31:59,050 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-20 13:31:59,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:59 BoogieIcfgContainer [2019-09-20 13:31:59,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:59,193 INFO L168 Benchmark]: Toolchain (without parser) took 5841.36 ms. Allocated memory was 129.0 MB in the beginning and 280.0 MB in the end (delta: 151.0 MB). Free memory was 84.3 MB in the beginning and 93.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 142.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:59,194 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 129.0 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:59,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.32 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 84.1 MB in the beginning and 173.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:59,196 INFO L168 Benchmark]: Boogie Preprocessor took 45.32 ms. Allocated memory is still 197.7 MB. Free memory was 173.6 MB in the beginning and 171.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:59,197 INFO L168 Benchmark]: RCFGBuilder took 614.76 ms. Allocated memory is still 197.7 MB. Free memory was 171.5 MB in the beginning and 139.5 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:59,198 INFO L168 Benchmark]: TraceAbstraction took 4672.11 ms. Allocated memory was 197.7 MB in the beginning and 280.0 MB in the end (delta: 82.3 MB). Free memory was 139.5 MB in the beginning and 93.1 MB in the end (delta: 46.4 MB). Peak memory consumption was 128.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:59,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 129.0 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 504.32 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 84.1 MB in the beginning and 173.6 MB in the end (delta: -89.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.32 ms. Allocated memory is still 197.7 MB. Free memory was 173.6 MB in the beginning and 171.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 614.76 ms. Allocated memory is still 197.7 MB. Free memory was 171.5 MB in the beginning and 139.5 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4672.11 ms. Allocated memory was 197.7 MB in the beginning and 280.0 MB in the end (delta: 82.3 MB). Free memory was 139.5 MB in the beginning and 93.1 MB in the end (delta: 46.4 MB). Peak memory consumption was 128.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int q_buf_0 ; [L16] int q_free ; [L17] int q_read_ev ; [L18] int q_write_ev ; [L19] int q_req_up ; [L20] int q_ev ; [L41] int p_num_write ; [L42] int p_last_write ; [L43] int p_dw_st ; [L44] int p_dw_pc ; [L45] int p_dw_i ; [L46] int c_num_read ; [L47] int c_last_read ; [L48] int c_dr_st ; [L49] int c_dr_pc ; [L50] int c_dr_i ; [L154] static int a_t ; VAL [\old(a_t)=11, \old(c_dr_i)=3, \old(c_dr_pc)=13, \old(c_dr_st)=17, \old(c_last_read)=5, \old(c_num_read)=6, \old(p_dw_i)=4, \old(p_dw_pc)=15, \old(p_dw_st)=9, \old(p_last_write)=19, \old(p_num_write)=7, \old(q_buf_0)=10, \old(q_ev)=16, \old(q_free)=18, \old(q_read_ev)=14, \old(q_req_up)=12, \old(q_write_ev)=8, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L456] int __retres1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L460] CALL init_model() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L442] q_free = 1 [L443] q_write_ev = 2 [L444] q_read_ev = q_write_ev [L445] p_num_write = 0 [L446] p_dw_pc = 0 [L447] p_dw_i = 1 [L448] c_num_read = 0 [L449] c_dr_pc = 0 [L450] c_dr_i = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L460] RET init_model() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L461] CALL start_simulation() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L396] int kernel_st ; [L397] int tmp ; [L401] kernel_st = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L402] CALL update_channels() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L212] COND FALSE !((int )q_req_up == 1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L402] RET update_channels() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L403] CALL init_threads() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L227] COND TRUE (int )p_dw_i == 1 [L228] p_dw_st = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L232] COND TRUE (int )c_dr_i == 1 [L233] c_dr_st = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L403] RET init_threads() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L404] CALL fire_delta_events() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L265] COND FALSE !((int )q_read_ev == 0) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L270] COND FALSE !((int )q_write_ev == 0) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L404] RET fire_delta_events() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L405] CALL activate_threads() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L298] int tmp ; [L299] int tmp___0 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L303] CALL, EXPR is_do_write_p_triggered() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L52] int __retres1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L55] COND FALSE !((int )p_dw_pc == 1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L65] __retres1 = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L67] return (__retres1); VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, \result=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L303] RET, EXPR is_do_write_p_triggered() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, is_do_write_p_triggered()=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L303] tmp = is_do_write_p_triggered() [L305] COND FALSE !(\read(tmp)) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0] [L311] CALL, EXPR is_do_read_c_triggered() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L71] int __retres1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L74] COND FALSE !((int )c_dr_pc == 1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L84] __retres1 = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L86] return (__retres1); VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, \result=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L311] RET, EXPR is_do_read_c_triggered() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, is_do_read_c_triggered()=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0] [L311] tmp___0 = is_do_read_c_triggered() [L313] COND FALSE !(\read(tmp___0)) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0, tmp___0=0] [L405] RET activate_threads() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L406] CALL reset_delta_events() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L283] COND FALSE !((int )q_read_ev == 1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L288] COND FALSE !((int )q_write_ev == 1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L406] RET reset_delta_events() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L409] COND TRUE 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L412] kernel_st = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L413] CALL eval() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L323] int tmp ; [L324] int tmp___0 ; [L325] int tmp___1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L329] COND TRUE 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L332] CALL, EXPR exists_runnable_thread() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L242] int __retres1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L245] COND TRUE (int )p_dw_st == 0 [L246] __retres1 = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, __retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L258] return (__retres1); VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, \result=1, __retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L332] RET, EXPR exists_runnable_thread() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, exists_runnable_thread()=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L332] tmp___1 = exists_runnable_thread() [L334] COND TRUE \read(tmp___1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp___1=1] [L339] COND TRUE (int )p_dw_st == 0 [L341] tmp = __VERIFIER_nondet_int() [L343] COND FALSE !(\read(tmp)) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0, tmp___1=1] [L349] CALL error() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L10] __VERIFIER_error() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 140 locations, 1 error locations. UNSAFE Result, 4.6s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1180 SDtfs, 1364 SDslu, 1906 SDs, 0 SdLazy, 1725 SolverSat, 408 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=683occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 265 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 490 NumberOfCodeBlocks, 490 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 43608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...