/usr/bin/java -ea -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 15:30:29,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 15:30:29,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 15:30:29,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 15:30:29,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 15:30:29,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 15:30:29,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 15:30:29,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 15:30:29,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 15:30:29,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 15:30:29,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 15:30:29,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 15:30:29,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 15:30:29,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 15:30:29,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 15:30:29,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 15:30:29,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 15:30:29,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 15:30:29,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 15:30:29,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 15:30:29,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 15:30:29,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 15:30:29,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 15:30:29,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 15:30:29,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 15:30:29,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 15:30:29,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 15:30:29,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 15:30:29,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 15:30:29,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 15:30:29,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 15:30:29,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 15:30:29,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 15:30:29,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 15:30:29,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 15:30:29,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 15:30:29,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 15:30:29,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 15:30:29,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 15:30:29,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 15:30:29,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 15:30:29,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 15:30:29,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 15:30:29,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 15:30:29,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 15:30:29,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 15:30:29,822 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 15:30:29,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 15:30:29,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 15:30:29,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 15:30:29,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 15:30:29,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 15:30:29,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 15:30:29,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 15:30:29,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 15:30:29,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 15:30:29,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 15:30:29,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 15:30:29,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 15:30:29,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 15:30:29,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 15:30:29,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 15:30:29,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 15:30:29,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:30:29,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 15:30:29,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 15:30:29,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 15:30:29,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 15:30:29,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 15:30:29,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 15:30:29,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 15:30:29,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 15:30:30,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 15:30:30,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 15:30:30,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 15:30:30,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 15:30:30,142 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 15:30:30,143 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-10 15:30:30,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef5edc20/d9c01137d18a4a4c882419ac7f9634ae/FLAGbf8532dca [2020-07-10 15:30:30,710 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 15:30:30,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-10 15:30:30,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef5edc20/d9c01137d18a4a4c882419ac7f9634ae/FLAGbf8532dca [2020-07-10 15:30:31,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef5edc20/d9c01137d18a4a4c882419ac7f9634ae [2020-07-10 15:30:31,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 15:30:31,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 15:30:31,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 15:30:31,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 15:30:31,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 15:30:31,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24213b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31, skipping insertion in model container [2020-07-10 15:30:31,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 15:30:31,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 15:30:31,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:30:31,393 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 15:30:31,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:30:31,567 INFO L208 MainTranslator]: Completed translation [2020-07-10 15:30:31,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31 WrapperNode [2020-07-10 15:30:31,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 15:30:31,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 15:30:31,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 15:30:31,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 15:30:31,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (1/1) ... [2020-07-10 15:30:31,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 15:30:31,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 15:30:31,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 15:30:31,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 15:30:31,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (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 [2020-07-10 15:30:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 15:30:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 15:30:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-10 15:30:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-07-10 15:30:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-07-10 15:30:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-07-10 15:30:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-07-10 15:30:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-07-10 15:30:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-07-10 15:30:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-10 15:30:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-10 15:30:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-10 15:30:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-10 15:30:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-10 15:30:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-10 15:30:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-10 15:30:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-10 15:30:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-10 15:30:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-10 15:30:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-10 15:30:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-10 15:30:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 15:30:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 15:30:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 15:30:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-10 15:30:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-07-10 15:30:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-07-10 15:30:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-07-10 15:30:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-07-10 15:30:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-07-10 15:30:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-07-10 15:30:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-10 15:30:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-10 15:30:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-10 15:30:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-10 15:30:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-10 15:30:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-10 15:30:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 15:30:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 15:30:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 15:30:32,431 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2020-07-10 15:30:32,432 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-07-10 15:30:32,489 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 15:30:32,489 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-10 15:30:32,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:30:32 BoogieIcfgContainer [2020-07-10 15:30:32,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 15:30:32,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 15:30:32,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 15:30:32,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 15:30:32,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:30:31" (1/3) ... [2020-07-10 15:30:32,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f17e05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:30:32, skipping insertion in model container [2020-07-10 15:30:32,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:30:31" (2/3) ... [2020-07-10 15:30:32,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f17e05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:30:32, skipping insertion in model container [2020-07-10 15:30:32,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:30:32" (3/3) ... [2020-07-10 15:30:32,504 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-07-10 15:30:32,516 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 15:30:32,525 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 15:30:32,540 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 15:30:32,567 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 15:30:32,567 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 15:30:32,567 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 15:30:32,568 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 15:30:32,568 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 15:30:32,568 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 15:30:32,568 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 15:30:32,568 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 15:30:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-10 15:30:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-10 15:30:32,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:30:32,609 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] [2020-07-10 15:30:32,610 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:30:32,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:30:32,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1427944937, now seen corresponding path program 1 times [2020-07-10 15:30:32,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:30:32,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021400453] [2020-07-10 15:30:32,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:30:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {209#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,130 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,131 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {159#true} {159#true} #446#return; {159#true} is VALID [2020-07-10 15:30:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {210#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {211#(<= 2 ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,220 INFO L280 TraceCheckUtils]: 1: Hoare triple {211#(<= 2 ~q_read_ev~0)} assume true; {211#(<= 2 ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,221 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {211#(<= 2 ~q_read_ev~0)} {159#true} #398#return; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,270 INFO L280 TraceCheckUtils]: 0: Hoare triple {212#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,271 INFO L280 TraceCheckUtils]: 1: Hoare triple {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} assume true; {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,273 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} {167#(not (= 0 ~q_read_ev~0))} #416#return; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,302 INFO L280 TraceCheckUtils]: 0: Hoare triple {214#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,303 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,304 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {159#true} {167#(not (= 0 ~q_read_ev~0))} #418#return; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,370 INFO L280 TraceCheckUtils]: 0: Hoare triple {215#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; {216#(= |old(~q_read_ev~0)| 0)} is VALID [2020-07-10 15:30:33,372 INFO L280 TraceCheckUtils]: 1: Hoare triple {216#(= |old(~q_read_ev~0)| 0)} assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; {216#(= |old(~q_read_ev~0)| 0)} is VALID [2020-07-10 15:30:33,372 INFO L280 TraceCheckUtils]: 2: Hoare triple {216#(= |old(~q_read_ev~0)| 0)} assume true; {216#(= |old(~q_read_ev~0)| 0)} is VALID [2020-07-10 15:30:33,375 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {216#(= |old(~q_read_ev~0)| 0)} {167#(not (= 0 ~q_read_ev~0))} #420#return; {160#false} is VALID [2020-07-10 15:30:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,424 INFO L280 TraceCheckUtils]: 0: Hoare triple {159#true} havoc ~__retres1~0; {159#true} is VALID [2020-07-10 15:30:33,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume 1 == ~p_dw_pc~0; {159#true} is VALID [2020-07-10 15:30:33,425 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {159#true} is VALID [2020-07-10 15:30:33,425 INFO L280 TraceCheckUtils]: 3: Hoare triple {159#true} #res := ~__retres1~0; {159#true} is VALID [2020-07-10 15:30:33,426 INFO L280 TraceCheckUtils]: 4: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,426 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {159#true} {159#true} #394#return; {159#true} is VALID [2020-07-10 15:30:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,443 INFO L280 TraceCheckUtils]: 0: Hoare triple {159#true} havoc ~__retres1~1; {159#true} is VALID [2020-07-10 15:30:33,444 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume 1 == ~c_dr_pc~0; {159#true} is VALID [2020-07-10 15:30:33,444 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {159#true} is VALID [2020-07-10 15:30:33,444 INFO L280 TraceCheckUtils]: 3: Hoare triple {159#true} #res := ~__retres1~1; {159#true} is VALID [2020-07-10 15:30:33,445 INFO L280 TraceCheckUtils]: 4: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,445 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {159#true} {159#true} #396#return; {159#true} is VALID [2020-07-10 15:30:33,446 INFO L280 TraceCheckUtils]: 0: Hoare triple {214#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {159#true} is VALID [2020-07-10 15:30:33,446 INFO L263 TraceCheckUtils]: 1: Hoare triple {159#true} call #t~ret3 := is_do_write_p_triggered(); {159#true} is VALID [2020-07-10 15:30:33,447 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} havoc ~__retres1~0; {159#true} is VALID [2020-07-10 15:30:33,447 INFO L280 TraceCheckUtils]: 3: Hoare triple {159#true} assume 1 == ~p_dw_pc~0; {159#true} is VALID [2020-07-10 15:30:33,447 INFO L280 TraceCheckUtils]: 4: Hoare triple {159#true} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {159#true} is VALID [2020-07-10 15:30:33,448 INFO L280 TraceCheckUtils]: 5: Hoare triple {159#true} #res := ~__retres1~0; {159#true} is VALID [2020-07-10 15:30:33,448 INFO L280 TraceCheckUtils]: 6: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,448 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {159#true} {159#true} #394#return; {159#true} is VALID [2020-07-10 15:30:33,449 INFO L280 TraceCheckUtils]: 8: Hoare triple {159#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {159#true} is VALID [2020-07-10 15:30:33,451 INFO L280 TraceCheckUtils]: 9: Hoare triple {159#true} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,451 INFO L263 TraceCheckUtils]: 10: Hoare triple {159#true} call #t~ret4 := is_do_read_c_triggered(); {159#true} is VALID [2020-07-10 15:30:33,451 INFO L280 TraceCheckUtils]: 11: Hoare triple {159#true} havoc ~__retres1~1; {159#true} is VALID [2020-07-10 15:30:33,452 INFO L280 TraceCheckUtils]: 12: Hoare triple {159#true} assume 1 == ~c_dr_pc~0; {159#true} is VALID [2020-07-10 15:30:33,452 INFO L280 TraceCheckUtils]: 13: Hoare triple {159#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {159#true} is VALID [2020-07-10 15:30:33,452 INFO L280 TraceCheckUtils]: 14: Hoare triple {159#true} #res := ~__retres1~1; {159#true} is VALID [2020-07-10 15:30:33,453 INFO L280 TraceCheckUtils]: 15: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,454 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {159#true} {159#true} #396#return; {159#true} is VALID [2020-07-10 15:30:33,454 INFO L280 TraceCheckUtils]: 17: Hoare triple {159#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {159#true} is VALID [2020-07-10 15:30:33,455 INFO L280 TraceCheckUtils]: 18: Hoare triple {159#true} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,458 INFO L280 TraceCheckUtils]: 19: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,461 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {159#true} {160#false} #422#return; {160#false} is VALID [2020-07-10 15:30:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {215#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; {159#true} is VALID [2020-07-10 15:30:33,482 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; {159#true} is VALID [2020-07-10 15:30:33,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,483 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {159#true} {160#false} #424#return; {160#false} is VALID [2020-07-10 15:30:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:33,492 INFO L280 TraceCheckUtils]: 0: Hoare triple {159#true} havoc ~__retres1~2; {159#true} is VALID [2020-07-10 15:30:33,493 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {159#true} is VALID [2020-07-10 15:30:33,493 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} #res := ~__retres1~2; {159#true} is VALID [2020-07-10 15:30:33,494 INFO L280 TraceCheckUtils]: 3: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,494 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {159#true} {160#false} #406#return; {160#false} is VALID [2020-07-10 15:30:33,497 INFO L263 TraceCheckUtils]: 0: Hoare triple {159#true} call ULTIMATE.init(); {209#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:33,497 INFO L280 TraceCheckUtils]: 1: Hoare triple {209#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,498 INFO L280 TraceCheckUtils]: 2: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,498 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {159#true} {159#true} #446#return; {159#true} is VALID [2020-07-10 15:30:33,498 INFO L263 TraceCheckUtils]: 4: Hoare triple {159#true} call #t~ret11 := main(); {159#true} is VALID [2020-07-10 15:30:33,499 INFO L280 TraceCheckUtils]: 5: Hoare triple {159#true} havoc ~__retres1~3; {159#true} is VALID [2020-07-10 15:30:33,503 INFO L263 TraceCheckUtils]: 6: Hoare triple {159#true} call init_model(); {210#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:33,507 INFO L280 TraceCheckUtils]: 7: Hoare triple {210#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {211#(<= 2 ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,508 INFO L280 TraceCheckUtils]: 8: Hoare triple {211#(<= 2 ~q_read_ev~0)} assume true; {211#(<= 2 ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,509 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {211#(<= 2 ~q_read_ev~0)} {159#true} #398#return; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,510 INFO L263 TraceCheckUtils]: 10: Hoare triple {167#(not (= 0 ~q_read_ev~0))} call start_simulation(); {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,511 INFO L280 TraceCheckUtils]: 11: Hoare triple {167#(not (= 0 ~q_read_ev~0))} havoc ~kernel_st~0;havoc ~tmp~4;havoc ~tmp___0~3;~kernel_st~0 := 0; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,513 INFO L263 TraceCheckUtils]: 12: Hoare triple {167#(not (= 0 ~q_read_ev~0))} call update_channels(); {212#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-10 15:30:33,514 INFO L280 TraceCheckUtils]: 13: Hoare triple {212#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,515 INFO L280 TraceCheckUtils]: 14: Hoare triple {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} assume true; {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} is VALID [2020-07-10 15:30:33,517 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {213#(= |old(~q_read_ev~0)| ~q_read_ev~0)} {167#(not (= 0 ~q_read_ev~0))} #416#return; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,518 INFO L263 TraceCheckUtils]: 16: Hoare triple {167#(not (= 0 ~q_read_ev~0))} call init_threads(); {214#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:30:33,519 INFO L280 TraceCheckUtils]: 17: Hoare triple {214#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,519 INFO L280 TraceCheckUtils]: 18: Hoare triple {159#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,519 INFO L280 TraceCheckUtils]: 19: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,520 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {159#true} {167#(not (= 0 ~q_read_ev~0))} #418#return; {167#(not (= 0 ~q_read_ev~0))} is VALID [2020-07-10 15:30:33,522 INFO L263 TraceCheckUtils]: 21: Hoare triple {167#(not (= 0 ~q_read_ev~0))} call fire_delta_events(); {215#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:33,523 INFO L280 TraceCheckUtils]: 22: Hoare triple {215#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; {216#(= |old(~q_read_ev~0)| 0)} is VALID [2020-07-10 15:30:33,524 INFO L280 TraceCheckUtils]: 23: Hoare triple {216#(= |old(~q_read_ev~0)| 0)} assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; {216#(= |old(~q_read_ev~0)| 0)} is VALID [2020-07-10 15:30:33,525 INFO L280 TraceCheckUtils]: 24: Hoare triple {216#(= |old(~q_read_ev~0)| 0)} assume true; {216#(= |old(~q_read_ev~0)| 0)} is VALID [2020-07-10 15:30:33,526 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {216#(= |old(~q_read_ev~0)| 0)} {167#(not (= 0 ~q_read_ev~0))} #420#return; {160#false} is VALID [2020-07-10 15:30:33,526 INFO L263 TraceCheckUtils]: 26: Hoare triple {160#false} call activate_threads(); {214#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:30:33,527 INFO L280 TraceCheckUtils]: 27: Hoare triple {214#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {159#true} is VALID [2020-07-10 15:30:33,527 INFO L263 TraceCheckUtils]: 28: Hoare triple {159#true} call #t~ret3 := is_do_write_p_triggered(); {159#true} is VALID [2020-07-10 15:30:33,527 INFO L280 TraceCheckUtils]: 29: Hoare triple {159#true} havoc ~__retres1~0; {159#true} is VALID [2020-07-10 15:30:33,528 INFO L280 TraceCheckUtils]: 30: Hoare triple {159#true} assume 1 == ~p_dw_pc~0; {159#true} is VALID [2020-07-10 15:30:33,528 INFO L280 TraceCheckUtils]: 31: Hoare triple {159#true} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {159#true} is VALID [2020-07-10 15:30:33,528 INFO L280 TraceCheckUtils]: 32: Hoare triple {159#true} #res := ~__retres1~0; {159#true} is VALID [2020-07-10 15:30:33,529 INFO L280 TraceCheckUtils]: 33: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,529 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {159#true} {159#true} #394#return; {159#true} is VALID [2020-07-10 15:30:33,529 INFO L280 TraceCheckUtils]: 35: Hoare triple {159#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {159#true} is VALID [2020-07-10 15:30:33,529 INFO L280 TraceCheckUtils]: 36: Hoare triple {159#true} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,530 INFO L263 TraceCheckUtils]: 37: Hoare triple {159#true} call #t~ret4 := is_do_read_c_triggered(); {159#true} is VALID [2020-07-10 15:30:33,531 INFO L280 TraceCheckUtils]: 38: Hoare triple {159#true} havoc ~__retres1~1; {159#true} is VALID [2020-07-10 15:30:33,532 INFO L280 TraceCheckUtils]: 39: Hoare triple {159#true} assume 1 == ~c_dr_pc~0; {159#true} is VALID [2020-07-10 15:30:33,532 INFO L280 TraceCheckUtils]: 40: Hoare triple {159#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {159#true} is VALID [2020-07-10 15:30:33,533 INFO L280 TraceCheckUtils]: 41: Hoare triple {159#true} #res := ~__retres1~1; {159#true} is VALID [2020-07-10 15:30:33,537 INFO L280 TraceCheckUtils]: 42: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,537 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {159#true} {159#true} #396#return; {159#true} is VALID [2020-07-10 15:30:33,537 INFO L280 TraceCheckUtils]: 44: Hoare triple {159#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {159#true} is VALID [2020-07-10 15:30:33,538 INFO L280 TraceCheckUtils]: 45: Hoare triple {159#true} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {159#true} is VALID [2020-07-10 15:30:33,538 INFO L280 TraceCheckUtils]: 46: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,538 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {159#true} {160#false} #422#return; {160#false} is VALID [2020-07-10 15:30:33,539 INFO L263 TraceCheckUtils]: 48: Hoare triple {160#false} call reset_delta_events(); {215#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:33,539 INFO L280 TraceCheckUtils]: 49: Hoare triple {215#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; {159#true} is VALID [2020-07-10 15:30:33,539 INFO L280 TraceCheckUtils]: 50: Hoare triple {159#true} assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; {159#true} is VALID [2020-07-10 15:30:33,540 INFO L280 TraceCheckUtils]: 51: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,540 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {159#true} {160#false} #424#return; {160#false} is VALID [2020-07-10 15:30:33,541 INFO L280 TraceCheckUtils]: 53: Hoare triple {160#false} assume !false; {160#false} is VALID [2020-07-10 15:30:33,541 INFO L280 TraceCheckUtils]: 54: Hoare triple {160#false} ~kernel_st~0 := 1; {160#false} is VALID [2020-07-10 15:30:33,543 INFO L263 TraceCheckUtils]: 55: Hoare triple {160#false} call eval(); {160#false} is VALID [2020-07-10 15:30:33,543 INFO L280 TraceCheckUtils]: 56: Hoare triple {160#false} havoc ~tmp~2;havoc ~tmp___0~2;havoc ~tmp___1~0; {160#false} is VALID [2020-07-10 15:30:33,544 INFO L280 TraceCheckUtils]: 57: Hoare triple {160#false} assume !false; {160#false} is VALID [2020-07-10 15:30:33,544 INFO L263 TraceCheckUtils]: 58: Hoare triple {160#false} call #t~ret5 := exists_runnable_thread(); {159#true} is VALID [2020-07-10 15:30:33,544 INFO L280 TraceCheckUtils]: 59: Hoare triple {159#true} havoc ~__retres1~2; {159#true} is VALID [2020-07-10 15:30:33,545 INFO L280 TraceCheckUtils]: 60: Hoare triple {159#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {159#true} is VALID [2020-07-10 15:30:33,552 INFO L280 TraceCheckUtils]: 61: Hoare triple {159#true} #res := ~__retres1~2; {159#true} is VALID [2020-07-10 15:30:33,553 INFO L280 TraceCheckUtils]: 62: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-10 15:30:33,553 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {159#true} {160#false} #406#return; {160#false} is VALID [2020-07-10 15:30:33,553 INFO L280 TraceCheckUtils]: 64: Hoare triple {160#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp___1~0 := #t~ret5;havoc #t~ret5; {160#false} is VALID [2020-07-10 15:30:33,554 INFO L280 TraceCheckUtils]: 65: Hoare triple {160#false} assume 0 != ~tmp___1~0; {160#false} is VALID [2020-07-10 15:30:33,555 INFO L280 TraceCheckUtils]: 66: Hoare triple {160#false} assume !(0 == ~p_dw_st~0); {160#false} is VALID [2020-07-10 15:30:33,556 INFO L280 TraceCheckUtils]: 67: Hoare triple {160#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~tmp___0~2 := #t~nondet7;havoc #t~nondet7; {160#false} is VALID [2020-07-10 15:30:33,558 INFO L280 TraceCheckUtils]: 68: Hoare triple {160#false} assume 0 != ~tmp___0~2;~c_dr_st~0 := 1; {160#false} is VALID [2020-07-10 15:30:33,559 INFO L263 TraceCheckUtils]: 69: Hoare triple {160#false} call do_read_c(); {160#false} is VALID [2020-07-10 15:30:33,559 INFO L280 TraceCheckUtils]: 70: Hoare triple {160#false} havoc ~a~0; {160#false} is VALID [2020-07-10 15:30:33,559 INFO L280 TraceCheckUtils]: 71: Hoare triple {160#false} assume !(0 == ~c_dr_pc~0); {160#false} is VALID [2020-07-10 15:30:33,559 INFO L280 TraceCheckUtils]: 72: Hoare triple {160#false} assume 2 == ~c_dr_pc~0; {160#false} is VALID [2020-07-10 15:30:33,560 INFO L280 TraceCheckUtils]: 73: Hoare triple {160#false} ~a~0 := ~a_t~0; {160#false} is VALID [2020-07-10 15:30:33,560 INFO L280 TraceCheckUtils]: 74: Hoare triple {160#false} ~a~0 := ~q_buf_0~0;~c_last_read~0 := ~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_req_up~0 := 1; {160#false} is VALID [2020-07-10 15:30:33,563 INFO L280 TraceCheckUtils]: 75: Hoare triple {160#false} assume !(~p_last_write~0 == ~c_last_read~0); {160#false} is VALID [2020-07-10 15:30:33,564 INFO L263 TraceCheckUtils]: 76: Hoare triple {160#false} call error(); {160#false} is VALID [2020-07-10 15:30:33,564 INFO L280 TraceCheckUtils]: 77: Hoare triple {160#false} assume !false; {160#false} is VALID [2020-07-10 15:30:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:30:33,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021400453] [2020-07-10 15:30:33,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:30:33,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 15:30:33,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720414352] [2020-07-10 15:30:33,603 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 78 [2020-07-10 15:30:33,607 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:30:33,613 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 15:30:33,731 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:30:33,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 15:30:33,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:30:33,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 15:30:33,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-10 15:30:33,744 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 11 states. [2020-07-10 15:30:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:30:47,298 INFO L93 Difference]: Finished difference Result 633 states and 1057 transitions. [2020-07-10 15:30:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-10 15:30:47,298 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 78 [2020-07-10 15:30:47,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:30:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 15:30:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1057 transitions. [2020-07-10 15:30:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 15:30:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1057 transitions. [2020-07-10 15:30:47,378 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 1057 transitions. [2020-07-10 15:30:49,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1057 edges. 1057 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:30:49,342 INFO L225 Difference]: With dead ends: 633 [2020-07-10 15:30:49,343 INFO L226 Difference]: Without dead ends: 479 [2020-07-10 15:30:49,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2020-07-10 15:30:49,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-07-10 15:30:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 277. [2020-07-10 15:30:50,264 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:30:50,264 INFO L82 GeneralOperation]: Start isEquivalent. First operand 479 states. Second operand 277 states. [2020-07-10 15:30:50,265 INFO L74 IsIncluded]: Start isIncluded. First operand 479 states. Second operand 277 states. [2020-07-10 15:30:50,265 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 277 states. [2020-07-10 15:30:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:30:50,337 INFO L93 Difference]: Finished difference Result 479 states and 743 transitions. [2020-07-10 15:30:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 743 transitions. [2020-07-10 15:30:50,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:30:50,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:30:50,364 INFO L74 IsIncluded]: Start isIncluded. First operand 277 states. Second operand 479 states. [2020-07-10 15:30:50,364 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 479 states. [2020-07-10 15:30:50,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:30:50,418 INFO L93 Difference]: Finished difference Result 479 states and 743 transitions. [2020-07-10 15:30:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 743 transitions. [2020-07-10 15:30:50,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:30:50,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:30:50,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:30:50,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:30:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-07-10 15:30:50,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 372 transitions. [2020-07-10 15:30:50,442 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 372 transitions. Word has length 78 [2020-07-10 15:30:50,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:30:50,443 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 372 transitions. [2020-07-10 15:30:50,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 15:30:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 372 transitions. [2020-07-10 15:30:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-10 15:30:50,448 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:30:50,449 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] [2020-07-10 15:30:50,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 15:30:50,449 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:30:50,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:30:50,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1440144215, now seen corresponding path program 1 times [2020-07-10 15:30:50,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:30:50,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041634853] [2020-07-10 15:30:50,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:30:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,668 INFO L280 TraceCheckUtils]: 0: Hoare triple {2577#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,669 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2527#true} {2527#true} #446#return; {2527#true} is VALID [2020-07-10 15:30:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,751 INFO L280 TraceCheckUtils]: 0: Hoare triple {2578#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {2579#(<= 2 ~q_write_ev~0)} is VALID [2020-07-10 15:30:50,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {2579#(<= 2 ~q_write_ev~0)} assume true; {2579#(<= 2 ~q_write_ev~0)} is VALID [2020-07-10 15:30:50,753 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2579#(<= 2 ~q_write_ev~0)} {2527#true} #398#return; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,787 INFO L280 TraceCheckUtils]: 0: Hoare triple {2580#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,793 INFO L280 TraceCheckUtils]: 1: Hoare triple {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} assume true; {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,794 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} {2535#(not (= 0 ~q_write_ev~0))} #416#return; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,815 INFO L280 TraceCheckUtils]: 0: Hoare triple {2582#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {2527#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,816 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,816 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2527#true} {2535#(not (= 0 ~q_write_ev~0))} #418#return; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {2583#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; {2584#(= 0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,851 INFO L280 TraceCheckUtils]: 2: Hoare triple {2584#(= 0 |old(~q_write_ev~0)|)} assume true; {2584#(= 0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,852 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2584#(= 0 |old(~q_write_ev~0)|)} {2535#(not (= 0 ~q_write_ev~0))} #420#return; {2528#false} is VALID [2020-07-10 15:30:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,874 INFO L280 TraceCheckUtils]: 0: Hoare triple {2527#true} havoc ~__retres1~0; {2527#true} is VALID [2020-07-10 15:30:50,875 INFO L280 TraceCheckUtils]: 1: Hoare triple {2527#true} assume 1 == ~p_dw_pc~0; {2527#true} is VALID [2020-07-10 15:30:50,875 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {2527#true} is VALID [2020-07-10 15:30:50,875 INFO L280 TraceCheckUtils]: 3: Hoare triple {2527#true} #res := ~__retres1~0; {2527#true} is VALID [2020-07-10 15:30:50,875 INFO L280 TraceCheckUtils]: 4: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,876 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2527#true} {2527#true} #394#return; {2527#true} is VALID [2020-07-10 15:30:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,881 INFO L280 TraceCheckUtils]: 0: Hoare triple {2527#true} havoc ~__retres1~1; {2527#true} is VALID [2020-07-10 15:30:50,882 INFO L280 TraceCheckUtils]: 1: Hoare triple {2527#true} assume 1 == ~c_dr_pc~0; {2527#true} is VALID [2020-07-10 15:30:50,882 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {2527#true} is VALID [2020-07-10 15:30:50,882 INFO L280 TraceCheckUtils]: 3: Hoare triple {2527#true} #res := ~__retres1~1; {2527#true} is VALID [2020-07-10 15:30:50,882 INFO L280 TraceCheckUtils]: 4: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,883 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2527#true} {2527#true} #396#return; {2527#true} is VALID [2020-07-10 15:30:50,883 INFO L280 TraceCheckUtils]: 0: Hoare triple {2582#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {2527#true} is VALID [2020-07-10 15:30:50,883 INFO L263 TraceCheckUtils]: 1: Hoare triple {2527#true} call #t~ret3 := is_do_write_p_triggered(); {2527#true} is VALID [2020-07-10 15:30:50,883 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} havoc ~__retres1~0; {2527#true} is VALID [2020-07-10 15:30:50,884 INFO L280 TraceCheckUtils]: 3: Hoare triple {2527#true} assume 1 == ~p_dw_pc~0; {2527#true} is VALID [2020-07-10 15:30:50,884 INFO L280 TraceCheckUtils]: 4: Hoare triple {2527#true} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {2527#true} is VALID [2020-07-10 15:30:50,884 INFO L280 TraceCheckUtils]: 5: Hoare triple {2527#true} #res := ~__retres1~0; {2527#true} is VALID [2020-07-10 15:30:50,884 INFO L280 TraceCheckUtils]: 6: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,884 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2527#true} {2527#true} #394#return; {2527#true} is VALID [2020-07-10 15:30:50,884 INFO L280 TraceCheckUtils]: 8: Hoare triple {2527#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {2527#true} is VALID [2020-07-10 15:30:50,885 INFO L280 TraceCheckUtils]: 9: Hoare triple {2527#true} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,885 INFO L263 TraceCheckUtils]: 10: Hoare triple {2527#true} call #t~ret4 := is_do_read_c_triggered(); {2527#true} is VALID [2020-07-10 15:30:50,885 INFO L280 TraceCheckUtils]: 11: Hoare triple {2527#true} havoc ~__retres1~1; {2527#true} is VALID [2020-07-10 15:30:50,885 INFO L280 TraceCheckUtils]: 12: Hoare triple {2527#true} assume 1 == ~c_dr_pc~0; {2527#true} is VALID [2020-07-10 15:30:50,886 INFO L280 TraceCheckUtils]: 13: Hoare triple {2527#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {2527#true} is VALID [2020-07-10 15:30:50,886 INFO L280 TraceCheckUtils]: 14: Hoare triple {2527#true} #res := ~__retres1~1; {2527#true} is VALID [2020-07-10 15:30:50,886 INFO L280 TraceCheckUtils]: 15: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,886 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2527#true} {2527#true} #396#return; {2527#true} is VALID [2020-07-10 15:30:50,886 INFO L280 TraceCheckUtils]: 17: Hoare triple {2527#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {2527#true} is VALID [2020-07-10 15:30:50,886 INFO L280 TraceCheckUtils]: 18: Hoare triple {2527#true} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,887 INFO L280 TraceCheckUtils]: 19: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,887 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2527#true} {2528#false} #422#return; {2528#false} is VALID [2020-07-10 15:30:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,891 INFO L280 TraceCheckUtils]: 0: Hoare triple {2583#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {2527#true} is VALID [2020-07-10 15:30:50,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {2527#true} assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; {2527#true} is VALID [2020-07-10 15:30:50,892 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,892 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2527#true} {2528#false} #424#return; {2528#false} is VALID [2020-07-10 15:30:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:30:50,896 INFO L280 TraceCheckUtils]: 0: Hoare triple {2527#true} havoc ~__retres1~2; {2527#true} is VALID [2020-07-10 15:30:50,896 INFO L280 TraceCheckUtils]: 1: Hoare triple {2527#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {2527#true} is VALID [2020-07-10 15:30:50,896 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} #res := ~__retres1~2; {2527#true} is VALID [2020-07-10 15:30:50,897 INFO L280 TraceCheckUtils]: 3: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,897 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2527#true} {2528#false} #406#return; {2528#false} is VALID [2020-07-10 15:30:50,898 INFO L263 TraceCheckUtils]: 0: Hoare triple {2527#true} call ULTIMATE.init(); {2577#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:50,899 INFO L280 TraceCheckUtils]: 1: Hoare triple {2577#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,899 INFO L280 TraceCheckUtils]: 2: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,899 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2527#true} {2527#true} #446#return; {2527#true} is VALID [2020-07-10 15:30:50,900 INFO L263 TraceCheckUtils]: 4: Hoare triple {2527#true} call #t~ret11 := main(); {2527#true} is VALID [2020-07-10 15:30:50,900 INFO L280 TraceCheckUtils]: 5: Hoare triple {2527#true} havoc ~__retres1~3; {2527#true} is VALID [2020-07-10 15:30:50,901 INFO L263 TraceCheckUtils]: 6: Hoare triple {2527#true} call init_model(); {2578#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:50,902 INFO L280 TraceCheckUtils]: 7: Hoare triple {2578#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {2579#(<= 2 ~q_write_ev~0)} is VALID [2020-07-10 15:30:50,902 INFO L280 TraceCheckUtils]: 8: Hoare triple {2579#(<= 2 ~q_write_ev~0)} assume true; {2579#(<= 2 ~q_write_ev~0)} is VALID [2020-07-10 15:30:50,903 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2579#(<= 2 ~q_write_ev~0)} {2527#true} #398#return; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,904 INFO L263 TraceCheckUtils]: 10: Hoare triple {2535#(not (= 0 ~q_write_ev~0))} call start_simulation(); {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,904 INFO L280 TraceCheckUtils]: 11: Hoare triple {2535#(not (= 0 ~q_write_ev~0))} havoc ~kernel_st~0;havoc ~tmp~4;havoc ~tmp___0~3;~kernel_st~0 := 0; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,905 INFO L263 TraceCheckUtils]: 12: Hoare triple {2535#(not (= 0 ~q_write_ev~0))} call update_channels(); {2580#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-10 15:30:50,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {2580#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,906 INFO L280 TraceCheckUtils]: 14: Hoare triple {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} assume true; {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,907 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} {2535#(not (= 0 ~q_write_ev~0))} #416#return; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,908 INFO L263 TraceCheckUtils]: 16: Hoare triple {2535#(not (= 0 ~q_write_ev~0))} call init_threads(); {2582#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:30:50,908 INFO L280 TraceCheckUtils]: 17: Hoare triple {2582#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,908 INFO L280 TraceCheckUtils]: 18: Hoare triple {2527#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,908 INFO L280 TraceCheckUtils]: 19: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,909 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2527#true} {2535#(not (= 0 ~q_write_ev~0))} #418#return; {2535#(not (= 0 ~q_write_ev~0))} is VALID [2020-07-10 15:30:50,909 INFO L263 TraceCheckUtils]: 21: Hoare triple {2535#(not (= 0 ~q_write_ev~0))} call fire_delta_events(); {2583#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:50,910 INFO L280 TraceCheckUtils]: 22: Hoare triple {2583#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,911 INFO L280 TraceCheckUtils]: 23: Hoare triple {2581#(= ~q_write_ev~0 |old(~q_write_ev~0)|)} assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; {2584#(= 0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,911 INFO L280 TraceCheckUtils]: 24: Hoare triple {2584#(= 0 |old(~q_write_ev~0)|)} assume true; {2584#(= 0 |old(~q_write_ev~0)|)} is VALID [2020-07-10 15:30:50,912 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2584#(= 0 |old(~q_write_ev~0)|)} {2535#(not (= 0 ~q_write_ev~0))} #420#return; {2528#false} is VALID [2020-07-10 15:30:50,912 INFO L263 TraceCheckUtils]: 26: Hoare triple {2528#false} call activate_threads(); {2582#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:30:50,913 INFO L280 TraceCheckUtils]: 27: Hoare triple {2582#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {2527#true} is VALID [2020-07-10 15:30:50,913 INFO L263 TraceCheckUtils]: 28: Hoare triple {2527#true} call #t~ret3 := is_do_write_p_triggered(); {2527#true} is VALID [2020-07-10 15:30:50,913 INFO L280 TraceCheckUtils]: 29: Hoare triple {2527#true} havoc ~__retres1~0; {2527#true} is VALID [2020-07-10 15:30:50,913 INFO L280 TraceCheckUtils]: 30: Hoare triple {2527#true} assume 1 == ~p_dw_pc~0; {2527#true} is VALID [2020-07-10 15:30:50,913 INFO L280 TraceCheckUtils]: 31: Hoare triple {2527#true} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {2527#true} is VALID [2020-07-10 15:30:50,914 INFO L280 TraceCheckUtils]: 32: Hoare triple {2527#true} #res := ~__retres1~0; {2527#true} is VALID [2020-07-10 15:30:50,914 INFO L280 TraceCheckUtils]: 33: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,914 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2527#true} {2527#true} #394#return; {2527#true} is VALID [2020-07-10 15:30:50,914 INFO L280 TraceCheckUtils]: 35: Hoare triple {2527#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {2527#true} is VALID [2020-07-10 15:30:50,915 INFO L280 TraceCheckUtils]: 36: Hoare triple {2527#true} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,915 INFO L263 TraceCheckUtils]: 37: Hoare triple {2527#true} call #t~ret4 := is_do_read_c_triggered(); {2527#true} is VALID [2020-07-10 15:30:50,915 INFO L280 TraceCheckUtils]: 38: Hoare triple {2527#true} havoc ~__retres1~1; {2527#true} is VALID [2020-07-10 15:30:50,915 INFO L280 TraceCheckUtils]: 39: Hoare triple {2527#true} assume 1 == ~c_dr_pc~0; {2527#true} is VALID [2020-07-10 15:30:50,916 INFO L280 TraceCheckUtils]: 40: Hoare triple {2527#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {2527#true} is VALID [2020-07-10 15:30:50,916 INFO L280 TraceCheckUtils]: 41: Hoare triple {2527#true} #res := ~__retres1~1; {2527#true} is VALID [2020-07-10 15:30:50,916 INFO L280 TraceCheckUtils]: 42: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,916 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2527#true} {2527#true} #396#return; {2527#true} is VALID [2020-07-10 15:30:50,917 INFO L280 TraceCheckUtils]: 44: Hoare triple {2527#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {2527#true} is VALID [2020-07-10 15:30:50,917 INFO L280 TraceCheckUtils]: 45: Hoare triple {2527#true} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {2527#true} is VALID [2020-07-10 15:30:50,917 INFO L280 TraceCheckUtils]: 46: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,917 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2527#true} {2528#false} #422#return; {2528#false} is VALID [2020-07-10 15:30:50,917 INFO L263 TraceCheckUtils]: 48: Hoare triple {2528#false} call reset_delta_events(); {2583#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:30:50,918 INFO L280 TraceCheckUtils]: 49: Hoare triple {2583#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {2527#true} is VALID [2020-07-10 15:30:50,918 INFO L280 TraceCheckUtils]: 50: Hoare triple {2527#true} assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; {2527#true} is VALID [2020-07-10 15:30:50,918 INFO L280 TraceCheckUtils]: 51: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,918 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2527#true} {2528#false} #424#return; {2528#false} is VALID [2020-07-10 15:30:50,919 INFO L280 TraceCheckUtils]: 53: Hoare triple {2528#false} assume !false; {2528#false} is VALID [2020-07-10 15:30:50,919 INFO L280 TraceCheckUtils]: 54: Hoare triple {2528#false} ~kernel_st~0 := 1; {2528#false} is VALID [2020-07-10 15:30:50,919 INFO L263 TraceCheckUtils]: 55: Hoare triple {2528#false} call eval(); {2528#false} is VALID [2020-07-10 15:30:50,919 INFO L280 TraceCheckUtils]: 56: Hoare triple {2528#false} havoc ~tmp~2;havoc ~tmp___0~2;havoc ~tmp___1~0; {2528#false} is VALID [2020-07-10 15:30:50,920 INFO L280 TraceCheckUtils]: 57: Hoare triple {2528#false} assume !false; {2528#false} is VALID [2020-07-10 15:30:50,920 INFO L263 TraceCheckUtils]: 58: Hoare triple {2528#false} call #t~ret5 := exists_runnable_thread(); {2527#true} is VALID [2020-07-10 15:30:50,920 INFO L280 TraceCheckUtils]: 59: Hoare triple {2527#true} havoc ~__retres1~2; {2527#true} is VALID [2020-07-10 15:30:50,920 INFO L280 TraceCheckUtils]: 60: Hoare triple {2527#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {2527#true} is VALID [2020-07-10 15:30:50,921 INFO L280 TraceCheckUtils]: 61: Hoare triple {2527#true} #res := ~__retres1~2; {2527#true} is VALID [2020-07-10 15:30:50,921 INFO L280 TraceCheckUtils]: 62: Hoare triple {2527#true} assume true; {2527#true} is VALID [2020-07-10 15:30:50,921 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {2527#true} {2528#false} #406#return; {2528#false} is VALID [2020-07-10 15:30:50,921 INFO L280 TraceCheckUtils]: 64: Hoare triple {2528#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp___1~0 := #t~ret5;havoc #t~ret5; {2528#false} is VALID [2020-07-10 15:30:50,922 INFO L280 TraceCheckUtils]: 65: Hoare triple {2528#false} assume 0 != ~tmp___1~0; {2528#false} is VALID [2020-07-10 15:30:50,922 INFO L280 TraceCheckUtils]: 66: Hoare triple {2528#false} assume !(0 == ~p_dw_st~0); {2528#false} is VALID [2020-07-10 15:30:50,922 INFO L280 TraceCheckUtils]: 67: Hoare triple {2528#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~tmp___0~2 := #t~nondet7;havoc #t~nondet7; {2528#false} is VALID [2020-07-10 15:30:50,922 INFO L280 TraceCheckUtils]: 68: Hoare triple {2528#false} assume 0 != ~tmp___0~2;~c_dr_st~0 := 1; {2528#false} is VALID [2020-07-10 15:30:50,922 INFO L263 TraceCheckUtils]: 69: Hoare triple {2528#false} call do_read_c(); {2528#false} is VALID [2020-07-10 15:30:50,923 INFO L280 TraceCheckUtils]: 70: Hoare triple {2528#false} havoc ~a~0; {2528#false} is VALID [2020-07-10 15:30:50,923 INFO L280 TraceCheckUtils]: 71: Hoare triple {2528#false} assume !(0 == ~c_dr_pc~0); {2528#false} is VALID [2020-07-10 15:30:50,923 INFO L280 TraceCheckUtils]: 72: Hoare triple {2528#false} assume 2 == ~c_dr_pc~0; {2528#false} is VALID [2020-07-10 15:30:50,923 INFO L280 TraceCheckUtils]: 73: Hoare triple {2528#false} ~a~0 := ~a_t~0; {2528#false} is VALID [2020-07-10 15:30:50,924 INFO L280 TraceCheckUtils]: 74: Hoare triple {2528#false} ~a~0 := ~q_buf_0~0;~c_last_read~0 := ~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_req_up~0 := 1; {2528#false} is VALID [2020-07-10 15:30:50,924 INFO L280 TraceCheckUtils]: 75: Hoare triple {2528#false} assume !(~p_last_write~0 == ~c_last_read~0); {2528#false} is VALID [2020-07-10 15:30:50,924 INFO L263 TraceCheckUtils]: 76: Hoare triple {2528#false} call error(); {2528#false} is VALID [2020-07-10 15:30:50,924 INFO L280 TraceCheckUtils]: 77: Hoare triple {2528#false} assume !false; {2528#false} is VALID [2020-07-10 15:30:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:30:50,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041634853] [2020-07-10 15:30:50,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:30:50,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 15:30:50,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291257879] [2020-07-10 15:30:50,936 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 78 [2020-07-10 15:30:50,937 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:30:50,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 15:30:51,041 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:30:51,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 15:30:51,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:30:51,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 15:30:51,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-10 15:30:51,044 INFO L87 Difference]: Start difference. First operand 277 states and 372 transitions. Second operand 11 states. [2020-07-10 15:31:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:04,810 INFO L93 Difference]: Finished difference Result 1112 states and 1691 transitions. [2020-07-10 15:31:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-10 15:31:04,810 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 78 [2020-07-10 15:31:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:31:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 15:31:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 937 transitions. [2020-07-10 15:31:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 15:31:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 937 transitions. [2020-07-10 15:31:04,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 937 transitions. [2020-07-10 15:31:06,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 937 edges. 937 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:31:06,634 INFO L225 Difference]: With dead ends: 1112 [2020-07-10 15:31:06,634 INFO L226 Difference]: Without dead ends: 860 [2020-07-10 15:31:06,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=274, Invalid=782, Unknown=0, NotChecked=0, Total=1056 [2020-07-10 15:31:06,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-07-10 15:31:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 578. [2020-07-10 15:31:08,376 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:31:08,376 INFO L82 GeneralOperation]: Start isEquivalent. First operand 860 states. Second operand 578 states. [2020-07-10 15:31:08,376 INFO L74 IsIncluded]: Start isIncluded. First operand 860 states. Second operand 578 states. [2020-07-10 15:31:08,376 INFO L87 Difference]: Start difference. First operand 860 states. Second operand 578 states. [2020-07-10 15:31:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:08,438 INFO L93 Difference]: Finished difference Result 860 states and 1287 transitions. [2020-07-10 15:31:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1287 transitions. [2020-07-10 15:31:08,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:31:08,443 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:31:08,443 INFO L74 IsIncluded]: Start isIncluded. First operand 578 states. Second operand 860 states. [2020-07-10 15:31:08,443 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 860 states. [2020-07-10 15:31:08,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:08,505 INFO L93 Difference]: Finished difference Result 860 states and 1287 transitions. [2020-07-10 15:31:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1287 transitions. [2020-07-10 15:31:08,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:31:08,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:31:08,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:31:08,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:31:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-07-10 15:31:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 785 transitions. [2020-07-10 15:31:08,545 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 785 transitions. Word has length 78 [2020-07-10 15:31:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:31:08,546 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 785 transitions. [2020-07-10 15:31:08,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 15:31:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 785 transitions. [2020-07-10 15:31:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-10 15:31:08,548 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:31:08,548 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] [2020-07-10 15:31:08,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 15:31:08,549 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:31:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:31:08,549 INFO L82 PathProgramCache]: Analyzing trace with hash -562831895, now seen corresponding path program 1 times [2020-07-10 15:31:08,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:31:08,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042743170] [2020-07-10 15:31:08,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:31:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,684 INFO L280 TraceCheckUtils]: 0: Hoare triple {6784#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {6734#true} is VALID [2020-07-10 15:31:08,685 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,685 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6734#true} {6734#true} #446#return; {6734#true} is VALID [2020-07-10 15:31:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,747 INFO L280 TraceCheckUtils]: 0: Hoare triple {6785#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {6786#(<= ~p_dw_pc~0 0)} is VALID [2020-07-10 15:31:08,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {6786#(<= ~p_dw_pc~0 0)} assume true; {6786#(<= ~p_dw_pc~0 0)} is VALID [2020-07-10 15:31:08,748 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6786#(<= ~p_dw_pc~0 0)} {6734#true} #398#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,777 INFO L280 TraceCheckUtils]: 0: Hoare triple {6787#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {6734#true} is VALID [2020-07-10 15:31:08,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,778 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6734#true} {6742#(not (= 1 ~p_dw_pc~0))} #416#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,799 INFO L280 TraceCheckUtils]: 0: Hoare triple {6788#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {6734#true} is VALID [2020-07-10 15:31:08,799 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {6734#true} is VALID [2020-07-10 15:31:08,800 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,800 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6734#true} {6742#(not (= 1 ~p_dw_pc~0))} #418#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,825 INFO L280 TraceCheckUtils]: 0: Hoare triple {6789#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,840 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume !(0 == ~q_write_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,840 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,842 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6734#true} {6742#(not (= 1 ~p_dw_pc~0))} #420#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,880 INFO L280 TraceCheckUtils]: 0: Hoare triple {6734#true} havoc ~__retres1~0; {6734#true} is VALID [2020-07-10 15:31:08,881 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume 1 == ~p_dw_pc~0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,882 INFO L280 TraceCheckUtils]: 2: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,882 INFO L280 TraceCheckUtils]: 3: Hoare triple {6796#(= 1 ~p_dw_pc~0)} #res := ~__retres1~0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,883 INFO L280 TraceCheckUtils]: 4: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume true; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,884 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6796#(= 1 ~p_dw_pc~0)} {6734#true} #394#return; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,893 INFO L280 TraceCheckUtils]: 0: Hoare triple {6734#true} havoc ~__retres1~1; {6734#true} is VALID [2020-07-10 15:31:08,894 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume 1 == ~c_dr_pc~0; {6734#true} is VALID [2020-07-10 15:31:08,894 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {6734#true} is VALID [2020-07-10 15:31:08,894 INFO L280 TraceCheckUtils]: 3: Hoare triple {6734#true} #res := ~__retres1~1; {6734#true} is VALID [2020-07-10 15:31:08,895 INFO L280 TraceCheckUtils]: 4: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,896 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6734#true} {6796#(= 1 ~p_dw_pc~0)} #396#return; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,896 INFO L280 TraceCheckUtils]: 0: Hoare triple {6788#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {6734#true} is VALID [2020-07-10 15:31:08,896 INFO L263 TraceCheckUtils]: 1: Hoare triple {6734#true} call #t~ret3 := is_do_write_p_triggered(); {6734#true} is VALID [2020-07-10 15:31:08,897 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} havoc ~__retres1~0; {6734#true} is VALID [2020-07-10 15:31:08,899 INFO L280 TraceCheckUtils]: 3: Hoare triple {6734#true} assume 1 == ~p_dw_pc~0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,900 INFO L280 TraceCheckUtils]: 4: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,900 INFO L280 TraceCheckUtils]: 5: Hoare triple {6796#(= 1 ~p_dw_pc~0)} #res := ~__retres1~0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,901 INFO L280 TraceCheckUtils]: 6: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume true; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,902 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {6796#(= 1 ~p_dw_pc~0)} {6734#true} #394#return; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,903 INFO L280 TraceCheckUtils]: 8: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,903 INFO L280 TraceCheckUtils]: 9: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,903 INFO L263 TraceCheckUtils]: 10: Hoare triple {6796#(= 1 ~p_dw_pc~0)} call #t~ret4 := is_do_read_c_triggered(); {6734#true} is VALID [2020-07-10 15:31:08,904 INFO L280 TraceCheckUtils]: 11: Hoare triple {6734#true} havoc ~__retres1~1; {6734#true} is VALID [2020-07-10 15:31:08,904 INFO L280 TraceCheckUtils]: 12: Hoare triple {6734#true} assume 1 == ~c_dr_pc~0; {6734#true} is VALID [2020-07-10 15:31:08,904 INFO L280 TraceCheckUtils]: 13: Hoare triple {6734#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {6734#true} is VALID [2020-07-10 15:31:08,904 INFO L280 TraceCheckUtils]: 14: Hoare triple {6734#true} #res := ~__retres1~1; {6734#true} is VALID [2020-07-10 15:31:08,904 INFO L280 TraceCheckUtils]: 15: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,905 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6734#true} {6796#(= 1 ~p_dw_pc~0)} #396#return; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,906 INFO L280 TraceCheckUtils]: 17: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,906 INFO L280 TraceCheckUtils]: 18: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,907 INFO L280 TraceCheckUtils]: 19: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume true; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,908 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6796#(= 1 ~p_dw_pc~0)} {6742#(not (= 1 ~p_dw_pc~0))} #422#return; {6735#false} is VALID [2020-07-10 15:31:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,914 INFO L280 TraceCheckUtils]: 0: Hoare triple {6789#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume !(1 == ~q_write_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,915 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,915 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6734#true} {6735#false} #424#return; {6735#false} is VALID [2020-07-10 15:31:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:08,927 INFO L280 TraceCheckUtils]: 0: Hoare triple {6734#true} havoc ~__retres1~2; {6734#true} is VALID [2020-07-10 15:31:08,927 INFO L280 TraceCheckUtils]: 1: Hoare triple {6734#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {6734#true} is VALID [2020-07-10 15:31:08,927 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} #res := ~__retres1~2; {6734#true} is VALID [2020-07-10 15:31:08,928 INFO L280 TraceCheckUtils]: 3: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,928 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6734#true} {6735#false} #406#return; {6735#false} is VALID [2020-07-10 15:31:08,930 INFO L263 TraceCheckUtils]: 0: Hoare triple {6734#true} call ULTIMATE.init(); {6784#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:08,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {6784#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {6734#true} is VALID [2020-07-10 15:31:08,931 INFO L280 TraceCheckUtils]: 2: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,931 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6734#true} {6734#true} #446#return; {6734#true} is VALID [2020-07-10 15:31:08,931 INFO L263 TraceCheckUtils]: 4: Hoare triple {6734#true} call #t~ret11 := main(); {6734#true} is VALID [2020-07-10 15:31:08,932 INFO L280 TraceCheckUtils]: 5: Hoare triple {6734#true} havoc ~__retres1~3; {6734#true} is VALID [2020-07-10 15:31:08,933 INFO L263 TraceCheckUtils]: 6: Hoare triple {6734#true} call init_model(); {6785#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:08,934 INFO L280 TraceCheckUtils]: 7: Hoare triple {6785#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {6786#(<= ~p_dw_pc~0 0)} is VALID [2020-07-10 15:31:08,935 INFO L280 TraceCheckUtils]: 8: Hoare triple {6786#(<= ~p_dw_pc~0 0)} assume true; {6786#(<= ~p_dw_pc~0 0)} is VALID [2020-07-10 15:31:08,935 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {6786#(<= ~p_dw_pc~0 0)} {6734#true} #398#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,936 INFO L263 TraceCheckUtils]: 10: Hoare triple {6742#(not (= 1 ~p_dw_pc~0))} call start_simulation(); {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,937 INFO L280 TraceCheckUtils]: 11: Hoare triple {6742#(not (= 1 ~p_dw_pc~0))} havoc ~kernel_st~0;havoc ~tmp~4;havoc ~tmp___0~3;~kernel_st~0 := 0; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,938 INFO L263 TraceCheckUtils]: 12: Hoare triple {6742#(not (= 1 ~p_dw_pc~0))} call update_channels(); {6787#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-10 15:31:08,938 INFO L280 TraceCheckUtils]: 13: Hoare triple {6787#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {6734#true} is VALID [2020-07-10 15:31:08,938 INFO L280 TraceCheckUtils]: 14: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,940 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {6734#true} {6742#(not (= 1 ~p_dw_pc~0))} #416#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,949 INFO L263 TraceCheckUtils]: 16: Hoare triple {6742#(not (= 1 ~p_dw_pc~0))} call init_threads(); {6788#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:31:08,949 INFO L280 TraceCheckUtils]: 17: Hoare triple {6788#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {6734#true} is VALID [2020-07-10 15:31:08,950 INFO L280 TraceCheckUtils]: 18: Hoare triple {6734#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {6734#true} is VALID [2020-07-10 15:31:08,950 INFO L280 TraceCheckUtils]: 19: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,951 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6734#true} {6742#(not (= 1 ~p_dw_pc~0))} #418#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,952 INFO L263 TraceCheckUtils]: 21: Hoare triple {6742#(not (= 1 ~p_dw_pc~0))} call fire_delta_events(); {6789#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:08,952 INFO L280 TraceCheckUtils]: 22: Hoare triple {6789#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,952 INFO L280 TraceCheckUtils]: 23: Hoare triple {6734#true} assume !(0 == ~q_write_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,952 INFO L280 TraceCheckUtils]: 24: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,955 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {6734#true} {6742#(not (= 1 ~p_dw_pc~0))} #420#return; {6742#(not (= 1 ~p_dw_pc~0))} is VALID [2020-07-10 15:31:08,956 INFO L263 TraceCheckUtils]: 26: Hoare triple {6742#(not (= 1 ~p_dw_pc~0))} call activate_threads(); {6788#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:31:08,957 INFO L280 TraceCheckUtils]: 27: Hoare triple {6788#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {6734#true} is VALID [2020-07-10 15:31:08,957 INFO L263 TraceCheckUtils]: 28: Hoare triple {6734#true} call #t~ret3 := is_do_write_p_triggered(); {6734#true} is VALID [2020-07-10 15:31:08,957 INFO L280 TraceCheckUtils]: 29: Hoare triple {6734#true} havoc ~__retres1~0; {6734#true} is VALID [2020-07-10 15:31:08,958 INFO L280 TraceCheckUtils]: 30: Hoare triple {6734#true} assume 1 == ~p_dw_pc~0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,959 INFO L280 TraceCheckUtils]: 31: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 1 == ~fast_clk_edge~0;~__retres1~0 := 1; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,960 INFO L280 TraceCheckUtils]: 32: Hoare triple {6796#(= 1 ~p_dw_pc~0)} #res := ~__retres1~0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,960 INFO L280 TraceCheckUtils]: 33: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume true; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,962 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {6796#(= 1 ~p_dw_pc~0)} {6734#true} #394#return; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,962 INFO L280 TraceCheckUtils]: 35: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,963 INFO L280 TraceCheckUtils]: 36: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,963 INFO L263 TraceCheckUtils]: 37: Hoare triple {6796#(= 1 ~p_dw_pc~0)} call #t~ret4 := is_do_read_c_triggered(); {6734#true} is VALID [2020-07-10 15:31:08,963 INFO L280 TraceCheckUtils]: 38: Hoare triple {6734#true} havoc ~__retres1~1; {6734#true} is VALID [2020-07-10 15:31:08,964 INFO L280 TraceCheckUtils]: 39: Hoare triple {6734#true} assume 1 == ~c_dr_pc~0; {6734#true} is VALID [2020-07-10 15:31:08,964 INFO L280 TraceCheckUtils]: 40: Hoare triple {6734#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {6734#true} is VALID [2020-07-10 15:31:08,964 INFO L280 TraceCheckUtils]: 41: Hoare triple {6734#true} #res := ~__retres1~1; {6734#true} is VALID [2020-07-10 15:31:08,964 INFO L280 TraceCheckUtils]: 42: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,965 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {6734#true} {6796#(= 1 ~p_dw_pc~0)} #396#return; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,967 INFO L280 TraceCheckUtils]: 44: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,968 INFO L280 TraceCheckUtils]: 45: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,969 INFO L280 TraceCheckUtils]: 46: Hoare triple {6796#(= 1 ~p_dw_pc~0)} assume true; {6796#(= 1 ~p_dw_pc~0)} is VALID [2020-07-10 15:31:08,969 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {6796#(= 1 ~p_dw_pc~0)} {6742#(not (= 1 ~p_dw_pc~0))} #422#return; {6735#false} is VALID [2020-07-10 15:31:08,970 INFO L263 TraceCheckUtils]: 48: Hoare triple {6735#false} call reset_delta_events(); {6789#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:08,970 INFO L280 TraceCheckUtils]: 49: Hoare triple {6789#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,970 INFO L280 TraceCheckUtils]: 50: Hoare triple {6734#true} assume !(1 == ~q_write_ev~0); {6734#true} is VALID [2020-07-10 15:31:08,970 INFO L280 TraceCheckUtils]: 51: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,971 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {6734#true} {6735#false} #424#return; {6735#false} is VALID [2020-07-10 15:31:08,971 INFO L280 TraceCheckUtils]: 53: Hoare triple {6735#false} assume !false; {6735#false} is VALID [2020-07-10 15:31:08,971 INFO L280 TraceCheckUtils]: 54: Hoare triple {6735#false} ~kernel_st~0 := 1; {6735#false} is VALID [2020-07-10 15:31:08,973 INFO L263 TraceCheckUtils]: 55: Hoare triple {6735#false} call eval(); {6735#false} is VALID [2020-07-10 15:31:08,974 INFO L280 TraceCheckUtils]: 56: Hoare triple {6735#false} havoc ~tmp~2;havoc ~tmp___0~2;havoc ~tmp___1~0; {6735#false} is VALID [2020-07-10 15:31:08,974 INFO L280 TraceCheckUtils]: 57: Hoare triple {6735#false} assume !false; {6735#false} is VALID [2020-07-10 15:31:08,974 INFO L263 TraceCheckUtils]: 58: Hoare triple {6735#false} call #t~ret5 := exists_runnable_thread(); {6734#true} is VALID [2020-07-10 15:31:08,974 INFO L280 TraceCheckUtils]: 59: Hoare triple {6734#true} havoc ~__retres1~2; {6734#true} is VALID [2020-07-10 15:31:08,975 INFO L280 TraceCheckUtils]: 60: Hoare triple {6734#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {6734#true} is VALID [2020-07-10 15:31:08,975 INFO L280 TraceCheckUtils]: 61: Hoare triple {6734#true} #res := ~__retres1~2; {6734#true} is VALID [2020-07-10 15:31:08,975 INFO L280 TraceCheckUtils]: 62: Hoare triple {6734#true} assume true; {6734#true} is VALID [2020-07-10 15:31:08,975 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {6734#true} {6735#false} #406#return; {6735#false} is VALID [2020-07-10 15:31:08,975 INFO L280 TraceCheckUtils]: 64: Hoare triple {6735#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp___1~0 := #t~ret5;havoc #t~ret5; {6735#false} is VALID [2020-07-10 15:31:08,976 INFO L280 TraceCheckUtils]: 65: Hoare triple {6735#false} assume 0 != ~tmp___1~0; {6735#false} is VALID [2020-07-10 15:31:08,976 INFO L280 TraceCheckUtils]: 66: Hoare triple {6735#false} assume !(0 == ~p_dw_st~0); {6735#false} is VALID [2020-07-10 15:31:08,976 INFO L280 TraceCheckUtils]: 67: Hoare triple {6735#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~tmp___0~2 := #t~nondet7;havoc #t~nondet7; {6735#false} is VALID [2020-07-10 15:31:08,976 INFO L280 TraceCheckUtils]: 68: Hoare triple {6735#false} assume 0 != ~tmp___0~2;~c_dr_st~0 := 1; {6735#false} is VALID [2020-07-10 15:31:08,977 INFO L263 TraceCheckUtils]: 69: Hoare triple {6735#false} call do_read_c(); {6735#false} is VALID [2020-07-10 15:31:08,977 INFO L280 TraceCheckUtils]: 70: Hoare triple {6735#false} havoc ~a~0; {6735#false} is VALID [2020-07-10 15:31:08,977 INFO L280 TraceCheckUtils]: 71: Hoare triple {6735#false} assume !(0 == ~c_dr_pc~0); {6735#false} is VALID [2020-07-10 15:31:08,982 INFO L280 TraceCheckUtils]: 72: Hoare triple {6735#false} assume 2 == ~c_dr_pc~0; {6735#false} is VALID [2020-07-10 15:31:08,983 INFO L280 TraceCheckUtils]: 73: Hoare triple {6735#false} ~a~0 := ~a_t~0; {6735#false} is VALID [2020-07-10 15:31:08,983 INFO L280 TraceCheckUtils]: 74: Hoare triple {6735#false} ~a~0 := ~q_buf_0~0;~c_last_read~0 := ~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_req_up~0 := 1; {6735#false} is VALID [2020-07-10 15:31:08,983 INFO L280 TraceCheckUtils]: 75: Hoare triple {6735#false} assume !(~p_last_write~0 == ~c_last_read~0); {6735#false} is VALID [2020-07-10 15:31:08,983 INFO L263 TraceCheckUtils]: 76: Hoare triple {6735#false} call error(); {6735#false} is VALID [2020-07-10 15:31:08,984 INFO L280 TraceCheckUtils]: 77: Hoare triple {6735#false} assume !false; {6735#false} is VALID [2020-07-10 15:31:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:31:08,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042743170] [2020-07-10 15:31:08,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:31:08,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-10 15:31:09,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735250178] [2020-07-10 15:31:09,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-07-10 15:31:09,001 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:31:09,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-10 15:31:09,082 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:31:09,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-10 15:31:09,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:31:09,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-10 15:31:09,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-07-10 15:31:09,084 INFO L87 Difference]: Start difference. First operand 578 states and 785 transitions. Second operand 10 states. [2020-07-10 15:31:32,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:32,141 INFO L93 Difference]: Finished difference Result 2757 states and 4085 transitions. [2020-07-10 15:31:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-10 15:31:32,141 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-07-10 15:31:32,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:31:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 15:31:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 1256 transitions. [2020-07-10 15:31:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 15:31:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 1256 transitions. [2020-07-10 15:31:32,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 1256 transitions. [2020-07-10 15:31:34,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1256 edges. 1256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:31:34,812 INFO L225 Difference]: With dead ends: 2757 [2020-07-10 15:31:34,813 INFO L226 Difference]: Without dead ends: 2220 [2020-07-10 15:31:34,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=259, Invalid=931, Unknown=0, NotChecked=0, Total=1190 [2020-07-10 15:31:34,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2020-07-10 15:31:39,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1672. [2020-07-10 15:31:39,730 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:31:39,730 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2220 states. Second operand 1672 states. [2020-07-10 15:31:39,730 INFO L74 IsIncluded]: Start isIncluded. First operand 2220 states. Second operand 1672 states. [2020-07-10 15:31:39,730 INFO L87 Difference]: Start difference. First operand 2220 states. Second operand 1672 states. [2020-07-10 15:31:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:40,045 INFO L93 Difference]: Finished difference Result 2220 states and 3215 transitions. [2020-07-10 15:31:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3215 transitions. [2020-07-10 15:31:40,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:31:40,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:31:40,062 INFO L74 IsIncluded]: Start isIncluded. First operand 1672 states. Second operand 2220 states. [2020-07-10 15:31:40,063 INFO L87 Difference]: Start difference. First operand 1672 states. Second operand 2220 states. [2020-07-10 15:31:40,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:40,328 INFO L93 Difference]: Finished difference Result 2220 states and 3215 transitions. [2020-07-10 15:31:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3215 transitions. [2020-07-10 15:31:40,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:31:40,342 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:31:40,342 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:31:40,342 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:31:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-07-10 15:31:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2235 transitions. [2020-07-10 15:31:40,549 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2235 transitions. Word has length 78 [2020-07-10 15:31:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:31:40,549 INFO L479 AbstractCegarLoop]: Abstraction has 1672 states and 2235 transitions. [2020-07-10 15:31:40,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-10 15:31:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2235 transitions. [2020-07-10 15:31:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-10 15:31:40,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:31:40,552 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] [2020-07-10 15:31:40,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 15:31:40,553 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:31:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:31:40,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1957278451, now seen corresponding path program 1 times [2020-07-10 15:31:40,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:31:40,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825066837] [2020-07-10 15:31:40,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:31:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,731 INFO L280 TraceCheckUtils]: 0: Hoare triple {17431#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,732 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {17381#true} {17381#true} #446#return; {17381#true} is VALID [2020-07-10 15:31:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {17432#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {17381#true} is VALID [2020-07-10 15:31:40,771 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,771 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {17381#true} {17381#true} #398#return; {17381#true} is VALID [2020-07-10 15:31:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,789 INFO L280 TraceCheckUtils]: 0: Hoare triple {17433#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {17381#true} is VALID [2020-07-10 15:31:40,789 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,790 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {17381#true} {17381#true} #416#return; {17381#true} is VALID [2020-07-10 15:31:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,803 INFO L280 TraceCheckUtils]: 0: Hoare triple {17434#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,804 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,804 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,804 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17381#true} {17381#true} #418#return; {17381#true} is VALID [2020-07-10 15:31:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,819 INFO L280 TraceCheckUtils]: 0: Hoare triple {17435#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {17381#true} is VALID [2020-07-10 15:31:40,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume !(0 == ~q_write_ev~0); {17381#true} is VALID [2020-07-10 15:31:40,820 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,820 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17381#true} {17381#true} #420#return; {17381#true} is VALID [2020-07-10 15:31:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,941 INFO L280 TraceCheckUtils]: 0: Hoare triple {17381#true} havoc ~__retres1~0; {17381#true} is VALID [2020-07-10 15:31:40,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume !(1 == ~p_dw_pc~0); {17381#true} is VALID [2020-07-10 15:31:40,941 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} assume !(2 == ~p_dw_pc~0); {17381#true} is VALID [2020-07-10 15:31:40,942 INFO L280 TraceCheckUtils]: 3: Hoare triple {17381#true} ~__retres1~0 := 0; {17451#(and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))} is VALID [2020-07-10 15:31:40,943 INFO L280 TraceCheckUtils]: 4: Hoare triple {17451#(and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))} #res := ~__retres1~0; {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} is VALID [2020-07-10 15:31:40,945 INFO L280 TraceCheckUtils]: 5: Hoare triple {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} assume true; {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} is VALID [2020-07-10 15:31:40,946 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} {17381#true} #394#return; {17443#(and (<= 0 |activate_threads_#t~ret3|) (<= |activate_threads_#t~ret3| 0))} is VALID [2020-07-10 15:31:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,959 INFO L280 TraceCheckUtils]: 0: Hoare triple {17381#true} havoc ~__retres1~1; {17381#true} is VALID [2020-07-10 15:31:40,959 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume 1 == ~c_dr_pc~0; {17381#true} is VALID [2020-07-10 15:31:40,959 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {17381#true} is VALID [2020-07-10 15:31:40,960 INFO L280 TraceCheckUtils]: 3: Hoare triple {17381#true} #res := ~__retres1~1; {17381#true} is VALID [2020-07-10 15:31:40,960 INFO L280 TraceCheckUtils]: 4: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,960 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {17381#true} {17382#false} #396#return; {17382#false} is VALID [2020-07-10 15:31:40,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {17434#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {17381#true} is VALID [2020-07-10 15:31:40,961 INFO L263 TraceCheckUtils]: 1: Hoare triple {17381#true} call #t~ret3 := is_do_write_p_triggered(); {17381#true} is VALID [2020-07-10 15:31:40,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} havoc ~__retres1~0; {17381#true} is VALID [2020-07-10 15:31:40,961 INFO L280 TraceCheckUtils]: 3: Hoare triple {17381#true} assume !(1 == ~p_dw_pc~0); {17381#true} is VALID [2020-07-10 15:31:40,961 INFO L280 TraceCheckUtils]: 4: Hoare triple {17381#true} assume !(2 == ~p_dw_pc~0); {17381#true} is VALID [2020-07-10 15:31:40,962 INFO L280 TraceCheckUtils]: 5: Hoare triple {17381#true} ~__retres1~0 := 0; {17451#(and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))} is VALID [2020-07-10 15:31:40,963 INFO L280 TraceCheckUtils]: 6: Hoare triple {17451#(and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))} #res := ~__retres1~0; {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} is VALID [2020-07-10 15:31:40,963 INFO L280 TraceCheckUtils]: 7: Hoare triple {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} assume true; {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} is VALID [2020-07-10 15:31:40,964 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} {17381#true} #394#return; {17443#(and (<= 0 |activate_threads_#t~ret3|) (<= |activate_threads_#t~ret3| 0))} is VALID [2020-07-10 15:31:40,965 INFO L280 TraceCheckUtils]: 9: Hoare triple {17443#(and (<= 0 |activate_threads_#t~ret3|) (<= |activate_threads_#t~ret3| 0))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {17444#(and (<= 0 activate_threads_~tmp~1) (<= activate_threads_~tmp~1 0))} is VALID [2020-07-10 15:31:40,966 INFO L280 TraceCheckUtils]: 10: Hoare triple {17444#(and (<= 0 activate_threads_~tmp~1) (<= activate_threads_~tmp~1 0))} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {17382#false} is VALID [2020-07-10 15:31:40,966 INFO L263 TraceCheckUtils]: 11: Hoare triple {17382#false} call #t~ret4 := is_do_read_c_triggered(); {17381#true} is VALID [2020-07-10 15:31:40,966 INFO L280 TraceCheckUtils]: 12: Hoare triple {17381#true} havoc ~__retres1~1; {17381#true} is VALID [2020-07-10 15:31:40,966 INFO L280 TraceCheckUtils]: 13: Hoare triple {17381#true} assume 1 == ~c_dr_pc~0; {17381#true} is VALID [2020-07-10 15:31:40,967 INFO L280 TraceCheckUtils]: 14: Hoare triple {17381#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {17381#true} is VALID [2020-07-10 15:31:40,967 INFO L280 TraceCheckUtils]: 15: Hoare triple {17381#true} #res := ~__retres1~1; {17381#true} is VALID [2020-07-10 15:31:40,967 INFO L280 TraceCheckUtils]: 16: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,967 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {17381#true} {17382#false} #396#return; {17382#false} is VALID [2020-07-10 15:31:40,967 INFO L280 TraceCheckUtils]: 18: Hoare triple {17382#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {17382#false} is VALID [2020-07-10 15:31:40,968 INFO L280 TraceCheckUtils]: 19: Hoare triple {17382#false} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {17382#false} is VALID [2020-07-10 15:31:40,968 INFO L280 TraceCheckUtils]: 20: Hoare triple {17382#false} assume true; {17382#false} is VALID [2020-07-10 15:31:40,968 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {17382#false} {17381#true} #422#return; {17382#false} is VALID [2020-07-10 15:31:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {17435#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {17381#true} is VALID [2020-07-10 15:31:40,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume !(1 == ~q_write_ev~0); {17381#true} is VALID [2020-07-10 15:31:40,973 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,973 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17381#true} {17382#false} #424#return; {17382#false} is VALID [2020-07-10 15:31:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:31:40,979 INFO L280 TraceCheckUtils]: 0: Hoare triple {17381#true} havoc ~__retres1~2; {17381#true} is VALID [2020-07-10 15:31:40,979 INFO L280 TraceCheckUtils]: 1: Hoare triple {17381#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {17381#true} is VALID [2020-07-10 15:31:40,979 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} #res := ~__retres1~2; {17381#true} is VALID [2020-07-10 15:31:40,979 INFO L280 TraceCheckUtils]: 3: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,980 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {17381#true} {17382#false} #406#return; {17382#false} is VALID [2020-07-10 15:31:40,982 INFO L263 TraceCheckUtils]: 0: Hoare triple {17381#true} call ULTIMATE.init(); {17431#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:40,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {17431#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,982 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17381#true} {17381#true} #446#return; {17381#true} is VALID [2020-07-10 15:31:40,982 INFO L263 TraceCheckUtils]: 4: Hoare triple {17381#true} call #t~ret11 := main(); {17381#true} is VALID [2020-07-10 15:31:40,983 INFO L280 TraceCheckUtils]: 5: Hoare triple {17381#true} havoc ~__retres1~3; {17381#true} is VALID [2020-07-10 15:31:40,984 INFO L263 TraceCheckUtils]: 6: Hoare triple {17381#true} call init_model(); {17432#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:40,984 INFO L280 TraceCheckUtils]: 7: Hoare triple {17432#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {17381#true} is VALID [2020-07-10 15:31:40,984 INFO L280 TraceCheckUtils]: 8: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,984 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {17381#true} {17381#true} #398#return; {17381#true} is VALID [2020-07-10 15:31:40,985 INFO L263 TraceCheckUtils]: 10: Hoare triple {17381#true} call start_simulation(); {17381#true} is VALID [2020-07-10 15:31:40,985 INFO L280 TraceCheckUtils]: 11: Hoare triple {17381#true} havoc ~kernel_st~0;havoc ~tmp~4;havoc ~tmp___0~3;~kernel_st~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,986 INFO L263 TraceCheckUtils]: 12: Hoare triple {17381#true} call update_channels(); {17433#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-10 15:31:40,986 INFO L280 TraceCheckUtils]: 13: Hoare triple {17433#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {17381#true} is VALID [2020-07-10 15:31:40,986 INFO L280 TraceCheckUtils]: 14: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,986 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {17381#true} {17381#true} #416#return; {17381#true} is VALID [2020-07-10 15:31:40,987 INFO L263 TraceCheckUtils]: 16: Hoare triple {17381#true} call init_threads(); {17434#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:31:40,987 INFO L280 TraceCheckUtils]: 17: Hoare triple {17434#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,987 INFO L280 TraceCheckUtils]: 18: Hoare triple {17381#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {17381#true} is VALID [2020-07-10 15:31:40,987 INFO L280 TraceCheckUtils]: 19: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,988 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {17381#true} {17381#true} #418#return; {17381#true} is VALID [2020-07-10 15:31:40,988 INFO L263 TraceCheckUtils]: 21: Hoare triple {17381#true} call fire_delta_events(); {17435#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:40,989 INFO L280 TraceCheckUtils]: 22: Hoare triple {17435#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {17381#true} is VALID [2020-07-10 15:31:40,989 INFO L280 TraceCheckUtils]: 23: Hoare triple {17381#true} assume !(0 == ~q_write_ev~0); {17381#true} is VALID [2020-07-10 15:31:40,989 INFO L280 TraceCheckUtils]: 24: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:40,989 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {17381#true} {17381#true} #420#return; {17381#true} is VALID [2020-07-10 15:31:40,990 INFO L263 TraceCheckUtils]: 26: Hoare triple {17381#true} call activate_threads(); {17434#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:31:40,990 INFO L280 TraceCheckUtils]: 27: Hoare triple {17434#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {17381#true} is VALID [2020-07-10 15:31:40,990 INFO L263 TraceCheckUtils]: 28: Hoare triple {17381#true} call #t~ret3 := is_do_write_p_triggered(); {17381#true} is VALID [2020-07-10 15:31:40,990 INFO L280 TraceCheckUtils]: 29: Hoare triple {17381#true} havoc ~__retres1~0; {17381#true} is VALID [2020-07-10 15:31:40,991 INFO L280 TraceCheckUtils]: 30: Hoare triple {17381#true} assume !(1 == ~p_dw_pc~0); {17381#true} is VALID [2020-07-10 15:31:40,991 INFO L280 TraceCheckUtils]: 31: Hoare triple {17381#true} assume !(2 == ~p_dw_pc~0); {17381#true} is VALID [2020-07-10 15:31:40,991 INFO L280 TraceCheckUtils]: 32: Hoare triple {17381#true} ~__retres1~0 := 0; {17451#(and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))} is VALID [2020-07-10 15:31:40,992 INFO L280 TraceCheckUtils]: 33: Hoare triple {17451#(and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))} #res := ~__retres1~0; {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} is VALID [2020-07-10 15:31:40,993 INFO L280 TraceCheckUtils]: 34: Hoare triple {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} assume true; {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} is VALID [2020-07-10 15:31:40,994 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {17452#(and (<= |is_do_write_p_triggered_#res| 0) (<= 0 |is_do_write_p_triggered_#res|))} {17381#true} #394#return; {17443#(and (<= 0 |activate_threads_#t~ret3|) (<= |activate_threads_#t~ret3| 0))} is VALID [2020-07-10 15:31:40,994 INFO L280 TraceCheckUtils]: 36: Hoare triple {17443#(and (<= 0 |activate_threads_#t~ret3|) (<= |activate_threads_#t~ret3| 0))} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {17444#(and (<= 0 activate_threads_~tmp~1) (<= activate_threads_~tmp~1 0))} is VALID [2020-07-10 15:31:40,995 INFO L280 TraceCheckUtils]: 37: Hoare triple {17444#(and (<= 0 activate_threads_~tmp~1) (<= activate_threads_~tmp~1 0))} assume 0 != ~tmp~1;~p_dw_st~0 := 0; {17382#false} is VALID [2020-07-10 15:31:40,995 INFO L263 TraceCheckUtils]: 38: Hoare triple {17382#false} call #t~ret4 := is_do_read_c_triggered(); {17381#true} is VALID [2020-07-10 15:31:40,996 INFO L280 TraceCheckUtils]: 39: Hoare triple {17381#true} havoc ~__retres1~1; {17381#true} is VALID [2020-07-10 15:31:40,996 INFO L280 TraceCheckUtils]: 40: Hoare triple {17381#true} assume 1 == ~c_dr_pc~0; {17381#true} is VALID [2020-07-10 15:31:40,996 INFO L280 TraceCheckUtils]: 41: Hoare triple {17381#true} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {17381#true} is VALID [2020-07-10 15:31:40,999 INFO L280 TraceCheckUtils]: 42: Hoare triple {17381#true} #res := ~__retres1~1; {17381#true} is VALID [2020-07-10 15:31:40,999 INFO L280 TraceCheckUtils]: 43: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:41,000 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {17381#true} {17382#false} #396#return; {17382#false} is VALID [2020-07-10 15:31:41,000 INFO L280 TraceCheckUtils]: 45: Hoare triple {17382#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {17382#false} is VALID [2020-07-10 15:31:41,000 INFO L280 TraceCheckUtils]: 46: Hoare triple {17382#false} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {17382#false} is VALID [2020-07-10 15:31:41,000 INFO L280 TraceCheckUtils]: 47: Hoare triple {17382#false} assume true; {17382#false} is VALID [2020-07-10 15:31:41,000 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {17382#false} {17381#true} #422#return; {17382#false} is VALID [2020-07-10 15:31:41,001 INFO L263 TraceCheckUtils]: 49: Hoare triple {17382#false} call reset_delta_events(); {17435#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:31:41,001 INFO L280 TraceCheckUtils]: 50: Hoare triple {17435#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {17381#true} is VALID [2020-07-10 15:31:41,001 INFO L280 TraceCheckUtils]: 51: Hoare triple {17381#true} assume !(1 == ~q_write_ev~0); {17381#true} is VALID [2020-07-10 15:31:41,001 INFO L280 TraceCheckUtils]: 52: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:41,001 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {17381#true} {17382#false} #424#return; {17382#false} is VALID [2020-07-10 15:31:41,001 INFO L280 TraceCheckUtils]: 54: Hoare triple {17382#false} assume !false; {17382#false} is VALID [2020-07-10 15:31:41,002 INFO L280 TraceCheckUtils]: 55: Hoare triple {17382#false} ~kernel_st~0 := 1; {17382#false} is VALID [2020-07-10 15:31:41,002 INFO L263 TraceCheckUtils]: 56: Hoare triple {17382#false} call eval(); {17382#false} is VALID [2020-07-10 15:31:41,002 INFO L280 TraceCheckUtils]: 57: Hoare triple {17382#false} havoc ~tmp~2;havoc ~tmp___0~2;havoc ~tmp___1~0; {17382#false} is VALID [2020-07-10 15:31:41,004 INFO L280 TraceCheckUtils]: 58: Hoare triple {17382#false} assume !false; {17382#false} is VALID [2020-07-10 15:31:41,004 INFO L263 TraceCheckUtils]: 59: Hoare triple {17382#false} call #t~ret5 := exists_runnable_thread(); {17381#true} is VALID [2020-07-10 15:31:41,005 INFO L280 TraceCheckUtils]: 60: Hoare triple {17381#true} havoc ~__retres1~2; {17381#true} is VALID [2020-07-10 15:31:41,005 INFO L280 TraceCheckUtils]: 61: Hoare triple {17381#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {17381#true} is VALID [2020-07-10 15:31:41,005 INFO L280 TraceCheckUtils]: 62: Hoare triple {17381#true} #res := ~__retres1~2; {17381#true} is VALID [2020-07-10 15:31:41,005 INFO L280 TraceCheckUtils]: 63: Hoare triple {17381#true} assume true; {17381#true} is VALID [2020-07-10 15:31:41,006 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {17381#true} {17382#false} #406#return; {17382#false} is VALID [2020-07-10 15:31:41,006 INFO L280 TraceCheckUtils]: 65: Hoare triple {17382#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp___1~0 := #t~ret5;havoc #t~ret5; {17382#false} is VALID [2020-07-10 15:31:41,006 INFO L280 TraceCheckUtils]: 66: Hoare triple {17382#false} assume 0 != ~tmp___1~0; {17382#false} is VALID [2020-07-10 15:31:41,006 INFO L280 TraceCheckUtils]: 67: Hoare triple {17382#false} assume !(0 == ~p_dw_st~0); {17382#false} is VALID [2020-07-10 15:31:41,006 INFO L280 TraceCheckUtils]: 68: Hoare triple {17382#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~tmp___0~2 := #t~nondet7;havoc #t~nondet7; {17382#false} is VALID [2020-07-10 15:31:41,006 INFO L280 TraceCheckUtils]: 69: Hoare triple {17382#false} assume 0 != ~tmp___0~2;~c_dr_st~0 := 1; {17382#false} is VALID [2020-07-10 15:31:41,007 INFO L263 TraceCheckUtils]: 70: Hoare triple {17382#false} call do_read_c(); {17382#false} is VALID [2020-07-10 15:31:41,007 INFO L280 TraceCheckUtils]: 71: Hoare triple {17382#false} havoc ~a~0; {17382#false} is VALID [2020-07-10 15:31:41,007 INFO L280 TraceCheckUtils]: 72: Hoare triple {17382#false} assume !(0 == ~c_dr_pc~0); {17382#false} is VALID [2020-07-10 15:31:41,011 INFO L280 TraceCheckUtils]: 73: Hoare triple {17382#false} assume 2 == ~c_dr_pc~0; {17382#false} is VALID [2020-07-10 15:31:41,012 INFO L280 TraceCheckUtils]: 74: Hoare triple {17382#false} ~a~0 := ~a_t~0; {17382#false} is VALID [2020-07-10 15:31:41,012 INFO L280 TraceCheckUtils]: 75: Hoare triple {17382#false} ~a~0 := ~q_buf_0~0;~c_last_read~0 := ~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_req_up~0 := 1; {17382#false} is VALID [2020-07-10 15:31:41,012 INFO L280 TraceCheckUtils]: 76: Hoare triple {17382#false} assume !(~p_last_write~0 == ~c_last_read~0); {17382#false} is VALID [2020-07-10 15:31:41,012 INFO L263 TraceCheckUtils]: 77: Hoare triple {17382#false} call error(); {17382#false} is VALID [2020-07-10 15:31:41,012 INFO L280 TraceCheckUtils]: 78: Hoare triple {17382#false} assume !false; {17382#false} is VALID [2020-07-10 15:31:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:31:41,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825066837] [2020-07-10 15:31:41,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:31:41,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 15:31:41,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076808671] [2020-07-10 15:31:41,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-10 15:31:41,031 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:31:41,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 15:31:41,111 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:31:41,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 15:31:41,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:31:41,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 15:31:41,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-10 15:31:41,113 INFO L87 Difference]: Start difference. First operand 1672 states and 2235 transitions. Second operand 11 states. [2020-07-10 15:31:57,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:31:57,443 INFO L93 Difference]: Finished difference Result 3847 states and 5429 transitions. [2020-07-10 15:31:57,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-10 15:31:57,443 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-10 15:31:57,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:31:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 15:31:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 605 transitions. [2020-07-10 15:31:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 15:31:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 605 transitions. [2020-07-10 15:31:57,460 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 605 transitions. [2020-07-10 15:31:58,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 605 edges. 605 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:31:58,727 INFO L225 Difference]: With dead ends: 3847 [2020-07-10 15:31:58,727 INFO L226 Difference]: Without dead ends: 2216 [2020-07-10 15:31:58,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-07-10 15:31:58,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2020-07-10 15:32:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 1702. [2020-07-10 15:32:03,705 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:32:03,705 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2216 states. Second operand 1702 states. [2020-07-10 15:32:03,706 INFO L74 IsIncluded]: Start isIncluded. First operand 2216 states. Second operand 1702 states. [2020-07-10 15:32:03,706 INFO L87 Difference]: Start difference. First operand 2216 states. Second operand 1702 states. [2020-07-10 15:32:04,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:32:04,007 INFO L93 Difference]: Finished difference Result 2216 states and 3205 transitions. [2020-07-10 15:32:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3205 transitions. [2020-07-10 15:32:04,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:32:04,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:32:04,020 INFO L74 IsIncluded]: Start isIncluded. First operand 1702 states. Second operand 2216 states. [2020-07-10 15:32:04,021 INFO L87 Difference]: Start difference. First operand 1702 states. Second operand 2216 states. [2020-07-10 15:32:04,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:32:04,272 INFO L93 Difference]: Finished difference Result 2216 states and 3205 transitions. [2020-07-10 15:32:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3205 transitions. [2020-07-10 15:32:04,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:32:04,295 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:32:04,295 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:32:04,295 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:32:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1702 states. [2020-07-10 15:32:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2259 transitions. [2020-07-10 15:32:04,466 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2259 transitions. Word has length 79 [2020-07-10 15:32:04,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:32:04,466 INFO L479 AbstractCegarLoop]: Abstraction has 1702 states and 2259 transitions. [2020-07-10 15:32:04,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 15:32:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2259 transitions. [2020-07-10 15:32:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-10 15:32:04,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:32:04,468 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] [2020-07-10 15:32:04,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 15:32:04,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:32:04,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:32:04,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2089542351, now seen corresponding path program 1 times [2020-07-10 15:32:04,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:32:04,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804056003] [2020-07-10 15:32:04,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:32:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,621 INFO L280 TraceCheckUtils]: 0: Hoare triple {29526#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,622 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,622 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {29475#true} {29475#true} #446#return; {29475#true} is VALID [2020-07-10 15:32:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,676 INFO L280 TraceCheckUtils]: 0: Hoare triple {29527#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {29528#(<= ~c_dr_pc~0 0)} is VALID [2020-07-10 15:32:04,677 INFO L280 TraceCheckUtils]: 1: Hoare triple {29528#(<= ~c_dr_pc~0 0)} assume true; {29528#(<= ~c_dr_pc~0 0)} is VALID [2020-07-10 15:32:04,678 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {29528#(<= ~c_dr_pc~0 0)} {29475#true} #398#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,700 INFO L280 TraceCheckUtils]: 0: Hoare triple {29529#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {29475#true} is VALID [2020-07-10 15:32:04,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,701 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {29475#true} {29483#(not (= ~c_dr_pc~0 1))} #416#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {29530#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,722 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,723 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {29475#true} {29483#(not (= ~c_dr_pc~0 1))} #418#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {29531#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,744 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume !(0 == ~q_write_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,745 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {29475#true} {29483#(not (= ~c_dr_pc~0 1))} #420#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {29475#true} havoc ~__retres1~0; {29475#true} is VALID [2020-07-10 15:32:04,771 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume !(1 == ~p_dw_pc~0); {29475#true} is VALID [2020-07-10 15:32:04,771 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} assume !(2 == ~p_dw_pc~0); {29475#true} is VALID [2020-07-10 15:32:04,771 INFO L280 TraceCheckUtils]: 3: Hoare triple {29475#true} ~__retres1~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,772 INFO L280 TraceCheckUtils]: 4: Hoare triple {29475#true} #res := ~__retres1~0; {29475#true} is VALID [2020-07-10 15:32:04,772 INFO L280 TraceCheckUtils]: 5: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,772 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {29475#true} {29475#true} #394#return; {29475#true} is VALID [2020-07-10 15:32:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,783 INFO L280 TraceCheckUtils]: 0: Hoare triple {29475#true} havoc ~__retres1~1; {29475#true} is VALID [2020-07-10 15:32:04,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume 1 == ~c_dr_pc~0; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,784 INFO L280 TraceCheckUtils]: 2: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,785 INFO L280 TraceCheckUtils]: 3: Hoare triple {29545#(= 1 ~c_dr_pc~0)} #res := ~__retres1~1; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,785 INFO L280 TraceCheckUtils]: 4: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume true; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,786 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {29545#(= 1 ~c_dr_pc~0)} {29475#true} #396#return; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,786 INFO L280 TraceCheckUtils]: 0: Hoare triple {29530#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {29475#true} is VALID [2020-07-10 15:32:04,787 INFO L263 TraceCheckUtils]: 1: Hoare triple {29475#true} call #t~ret3 := is_do_write_p_triggered(); {29475#true} is VALID [2020-07-10 15:32:04,787 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} havoc ~__retres1~0; {29475#true} is VALID [2020-07-10 15:32:04,787 INFO L280 TraceCheckUtils]: 3: Hoare triple {29475#true} assume !(1 == ~p_dw_pc~0); {29475#true} is VALID [2020-07-10 15:32:04,787 INFO L280 TraceCheckUtils]: 4: Hoare triple {29475#true} assume !(2 == ~p_dw_pc~0); {29475#true} is VALID [2020-07-10 15:32:04,787 INFO L280 TraceCheckUtils]: 5: Hoare triple {29475#true} ~__retres1~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,788 INFO L280 TraceCheckUtils]: 6: Hoare triple {29475#true} #res := ~__retres1~0; {29475#true} is VALID [2020-07-10 15:32:04,788 INFO L280 TraceCheckUtils]: 7: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,788 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {29475#true} {29475#true} #394#return; {29475#true} is VALID [2020-07-10 15:32:04,788 INFO L280 TraceCheckUtils]: 9: Hoare triple {29475#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {29475#true} is VALID [2020-07-10 15:32:04,788 INFO L280 TraceCheckUtils]: 10: Hoare triple {29475#true} assume !(0 != ~tmp~1); {29475#true} is VALID [2020-07-10 15:32:04,789 INFO L263 TraceCheckUtils]: 11: Hoare triple {29475#true} call #t~ret4 := is_do_read_c_triggered(); {29475#true} is VALID [2020-07-10 15:32:04,789 INFO L280 TraceCheckUtils]: 12: Hoare triple {29475#true} havoc ~__retres1~1; {29475#true} is VALID [2020-07-10 15:32:04,790 INFO L280 TraceCheckUtils]: 13: Hoare triple {29475#true} assume 1 == ~c_dr_pc~0; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,791 INFO L280 TraceCheckUtils]: 14: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,791 INFO L280 TraceCheckUtils]: 15: Hoare triple {29545#(= 1 ~c_dr_pc~0)} #res := ~__retres1~1; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,792 INFO L280 TraceCheckUtils]: 16: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume true; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,793 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {29545#(= 1 ~c_dr_pc~0)} {29475#true} #396#return; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,793 INFO L280 TraceCheckUtils]: 18: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,794 INFO L280 TraceCheckUtils]: 19: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,794 INFO L280 TraceCheckUtils]: 20: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume true; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,795 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {29545#(= 1 ~c_dr_pc~0)} {29483#(not (= ~c_dr_pc~0 1))} #422#return; {29476#false} is VALID [2020-07-10 15:32:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,801 INFO L280 TraceCheckUtils]: 0: Hoare triple {29531#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,802 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume !(1 == ~q_write_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,802 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,802 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {29475#true} {29476#false} #424#return; {29476#false} is VALID [2020-07-10 15:32:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:32:04,807 INFO L280 TraceCheckUtils]: 0: Hoare triple {29475#true} havoc ~__retres1~2; {29475#true} is VALID [2020-07-10 15:32:04,807 INFO L280 TraceCheckUtils]: 1: Hoare triple {29475#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {29475#true} is VALID [2020-07-10 15:32:04,808 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} #res := ~__retres1~2; {29475#true} is VALID [2020-07-10 15:32:04,808 INFO L280 TraceCheckUtils]: 3: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,808 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {29475#true} {29476#false} #406#return; {29476#false} is VALID [2020-07-10 15:32:04,810 INFO L263 TraceCheckUtils]: 0: Hoare triple {29475#true} call ULTIMATE.init(); {29526#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:32:04,810 INFO L280 TraceCheckUtils]: 1: Hoare triple {29526#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0;~slow_clk_edge~0 := 0;~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~t~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,810 INFO L280 TraceCheckUtils]: 2: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,810 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {29475#true} {29475#true} #446#return; {29475#true} is VALID [2020-07-10 15:32:04,810 INFO L263 TraceCheckUtils]: 4: Hoare triple {29475#true} call #t~ret11 := main(); {29475#true} is VALID [2020-07-10 15:32:04,811 INFO L280 TraceCheckUtils]: 5: Hoare triple {29475#true} havoc ~__retres1~3; {29475#true} is VALID [2020-07-10 15:32:04,812 INFO L263 TraceCheckUtils]: 6: Hoare triple {29475#true} call init_model(); {29527#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:32:04,813 INFO L280 TraceCheckUtils]: 7: Hoare triple {29527#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2;~slow_clk_edge~0 := 2;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {29528#(<= ~c_dr_pc~0 0)} is VALID [2020-07-10 15:32:04,813 INFO L280 TraceCheckUtils]: 8: Hoare triple {29528#(<= ~c_dr_pc~0 0)} assume true; {29528#(<= ~c_dr_pc~0 0)} is VALID [2020-07-10 15:32:04,814 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {29528#(<= ~c_dr_pc~0 0)} {29475#true} #398#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,814 INFO L263 TraceCheckUtils]: 10: Hoare triple {29483#(not (= ~c_dr_pc~0 1))} call start_simulation(); {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,815 INFO L280 TraceCheckUtils]: 11: Hoare triple {29483#(not (= ~c_dr_pc~0 1))} havoc ~kernel_st~0;havoc ~tmp~4;havoc ~tmp___0~3;~kernel_st~0 := 0; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,817 INFO L263 TraceCheckUtils]: 12: Hoare triple {29483#(not (= ~c_dr_pc~0 1))} call update_channels(); {29529#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-10 15:32:04,817 INFO L280 TraceCheckUtils]: 13: Hoare triple {29529#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {29475#true} is VALID [2020-07-10 15:32:04,817 INFO L280 TraceCheckUtils]: 14: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,818 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {29475#true} {29483#(not (= ~c_dr_pc~0 1))} #416#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,819 INFO L263 TraceCheckUtils]: 16: Hoare triple {29483#(not (= ~c_dr_pc~0 1))} call init_threads(); {29530#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:32:04,819 INFO L280 TraceCheckUtils]: 17: Hoare triple {29530#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,819 INFO L280 TraceCheckUtils]: 18: Hoare triple {29475#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,819 INFO L280 TraceCheckUtils]: 19: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,820 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {29475#true} {29483#(not (= ~c_dr_pc~0 1))} #418#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,820 INFO L263 TraceCheckUtils]: 21: Hoare triple {29483#(not (= ~c_dr_pc~0 1))} call fire_delta_events(); {29531#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:32:04,821 INFO L280 TraceCheckUtils]: 22: Hoare triple {29531#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,821 INFO L280 TraceCheckUtils]: 23: Hoare triple {29475#true} assume !(0 == ~q_write_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,821 INFO L280 TraceCheckUtils]: 24: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,822 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {29475#true} {29483#(not (= ~c_dr_pc~0 1))} #420#return; {29483#(not (= ~c_dr_pc~0 1))} is VALID [2020-07-10 15:32:04,823 INFO L263 TraceCheckUtils]: 26: Hoare triple {29483#(not (= ~c_dr_pc~0 1))} call activate_threads(); {29530#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-10 15:32:04,823 INFO L280 TraceCheckUtils]: 27: Hoare triple {29530#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1;havoc ~tmp___0~1; {29475#true} is VALID [2020-07-10 15:32:04,824 INFO L263 TraceCheckUtils]: 28: Hoare triple {29475#true} call #t~ret3 := is_do_write_p_triggered(); {29475#true} is VALID [2020-07-10 15:32:04,824 INFO L280 TraceCheckUtils]: 29: Hoare triple {29475#true} havoc ~__retres1~0; {29475#true} is VALID [2020-07-10 15:32:04,824 INFO L280 TraceCheckUtils]: 30: Hoare triple {29475#true} assume !(1 == ~p_dw_pc~0); {29475#true} is VALID [2020-07-10 15:32:04,824 INFO L280 TraceCheckUtils]: 31: Hoare triple {29475#true} assume !(2 == ~p_dw_pc~0); {29475#true} is VALID [2020-07-10 15:32:04,824 INFO L280 TraceCheckUtils]: 32: Hoare triple {29475#true} ~__retres1~0 := 0; {29475#true} is VALID [2020-07-10 15:32:04,825 INFO L280 TraceCheckUtils]: 33: Hoare triple {29475#true} #res := ~__retres1~0; {29475#true} is VALID [2020-07-10 15:32:04,825 INFO L280 TraceCheckUtils]: 34: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,825 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {29475#true} {29475#true} #394#return; {29475#true} is VALID [2020-07-10 15:32:04,825 INFO L280 TraceCheckUtils]: 36: Hoare triple {29475#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp~1 := #t~ret3;havoc #t~ret3; {29475#true} is VALID [2020-07-10 15:32:04,825 INFO L280 TraceCheckUtils]: 37: Hoare triple {29475#true} assume !(0 != ~tmp~1); {29475#true} is VALID [2020-07-10 15:32:04,826 INFO L263 TraceCheckUtils]: 38: Hoare triple {29475#true} call #t~ret4 := is_do_read_c_triggered(); {29475#true} is VALID [2020-07-10 15:32:04,826 INFO L280 TraceCheckUtils]: 39: Hoare triple {29475#true} havoc ~__retres1~1; {29475#true} is VALID [2020-07-10 15:32:04,828 INFO L280 TraceCheckUtils]: 40: Hoare triple {29475#true} assume 1 == ~c_dr_pc~0; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,828 INFO L280 TraceCheckUtils]: 41: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume 1 == ~slow_clk_edge~0;~__retres1~1 := 1; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,829 INFO L280 TraceCheckUtils]: 42: Hoare triple {29545#(= 1 ~c_dr_pc~0)} #res := ~__retres1~1; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,836 INFO L280 TraceCheckUtils]: 43: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume true; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,837 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {29545#(= 1 ~c_dr_pc~0)} {29475#true} #396#return; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,837 INFO L280 TraceCheckUtils]: 45: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~tmp___0~1 := #t~ret4;havoc #t~ret4; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,838 INFO L280 TraceCheckUtils]: 46: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume 0 != ~tmp___0~1;~c_dr_st~0 := 0; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,838 INFO L280 TraceCheckUtils]: 47: Hoare triple {29545#(= 1 ~c_dr_pc~0)} assume true; {29545#(= 1 ~c_dr_pc~0)} is VALID [2020-07-10 15:32:04,840 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {29545#(= 1 ~c_dr_pc~0)} {29483#(not (= ~c_dr_pc~0 1))} #422#return; {29476#false} is VALID [2020-07-10 15:32:04,840 INFO L263 TraceCheckUtils]: 49: Hoare triple {29476#false} call reset_delta_events(); {29531#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-10 15:32:04,840 INFO L280 TraceCheckUtils]: 50: Hoare triple {29531#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,840 INFO L280 TraceCheckUtils]: 51: Hoare triple {29475#true} assume !(1 == ~q_write_ev~0); {29475#true} is VALID [2020-07-10 15:32:04,840 INFO L280 TraceCheckUtils]: 52: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,841 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {29475#true} {29476#false} #424#return; {29476#false} is VALID [2020-07-10 15:32:04,841 INFO L280 TraceCheckUtils]: 54: Hoare triple {29476#false} assume !false; {29476#false} is VALID [2020-07-10 15:32:04,841 INFO L280 TraceCheckUtils]: 55: Hoare triple {29476#false} ~kernel_st~0 := 1; {29476#false} is VALID [2020-07-10 15:32:04,841 INFO L263 TraceCheckUtils]: 56: Hoare triple {29476#false} call eval(); {29476#false} is VALID [2020-07-10 15:32:04,841 INFO L280 TraceCheckUtils]: 57: Hoare triple {29476#false} havoc ~tmp~2;havoc ~tmp___0~2;havoc ~tmp___1~0; {29476#false} is VALID [2020-07-10 15:32:04,842 INFO L280 TraceCheckUtils]: 58: Hoare triple {29476#false} assume !false; {29476#false} is VALID [2020-07-10 15:32:04,842 INFO L263 TraceCheckUtils]: 59: Hoare triple {29476#false} call #t~ret5 := exists_runnable_thread(); {29475#true} is VALID [2020-07-10 15:32:04,842 INFO L280 TraceCheckUtils]: 60: Hoare triple {29475#true} havoc ~__retres1~2; {29475#true} is VALID [2020-07-10 15:32:04,842 INFO L280 TraceCheckUtils]: 61: Hoare triple {29475#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {29475#true} is VALID [2020-07-10 15:32:04,842 INFO L280 TraceCheckUtils]: 62: Hoare triple {29475#true} #res := ~__retres1~2; {29475#true} is VALID [2020-07-10 15:32:04,843 INFO L280 TraceCheckUtils]: 63: Hoare triple {29475#true} assume true; {29475#true} is VALID [2020-07-10 15:32:04,843 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {29475#true} {29476#false} #406#return; {29476#false} is VALID [2020-07-10 15:32:04,843 INFO L280 TraceCheckUtils]: 65: Hoare triple {29476#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp___1~0 := #t~ret5;havoc #t~ret5; {29476#false} is VALID [2020-07-10 15:32:04,850 INFO L280 TraceCheckUtils]: 66: Hoare triple {29476#false} assume 0 != ~tmp___1~0; {29476#false} is VALID [2020-07-10 15:32:04,850 INFO L280 TraceCheckUtils]: 67: Hoare triple {29476#false} assume !(0 == ~p_dw_st~0); {29476#false} is VALID [2020-07-10 15:32:04,850 INFO L280 TraceCheckUtils]: 68: Hoare triple {29476#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~tmp___0~2 := #t~nondet7;havoc #t~nondet7; {29476#false} is VALID [2020-07-10 15:32:04,850 INFO L280 TraceCheckUtils]: 69: Hoare triple {29476#false} assume 0 != ~tmp___0~2;~c_dr_st~0 := 1; {29476#false} is VALID [2020-07-10 15:32:04,851 INFO L263 TraceCheckUtils]: 70: Hoare triple {29476#false} call do_read_c(); {29476#false} is VALID [2020-07-10 15:32:04,851 INFO L280 TraceCheckUtils]: 71: Hoare triple {29476#false} havoc ~a~0; {29476#false} is VALID [2020-07-10 15:32:04,851 INFO L280 TraceCheckUtils]: 72: Hoare triple {29476#false} assume !(0 == ~c_dr_pc~0); {29476#false} is VALID [2020-07-10 15:32:04,851 INFO L280 TraceCheckUtils]: 73: Hoare triple {29476#false} assume 2 == ~c_dr_pc~0; {29476#false} is VALID [2020-07-10 15:32:04,851 INFO L280 TraceCheckUtils]: 74: Hoare triple {29476#false} ~a~0 := ~a_t~0; {29476#false} is VALID [2020-07-10 15:32:04,851 INFO L280 TraceCheckUtils]: 75: Hoare triple {29476#false} ~a~0 := ~q_buf_0~0;~c_last_read~0 := ~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_req_up~0 := 1; {29476#false} is VALID [2020-07-10 15:32:04,852 INFO L280 TraceCheckUtils]: 76: Hoare triple {29476#false} assume !(~p_last_write~0 == ~c_last_read~0); {29476#false} is VALID [2020-07-10 15:32:04,852 INFO L263 TraceCheckUtils]: 77: Hoare triple {29476#false} call error(); {29476#false} is VALID [2020-07-10 15:32:04,852 INFO L280 TraceCheckUtils]: 78: Hoare triple {29476#false} assume !false; {29476#false} is VALID [2020-07-10 15:32:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:32:04,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804056003] [2020-07-10 15:32:04,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:32:04,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-10 15:32:04,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379585656] [2020-07-10 15:32:04,870 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-07-10 15:32:04,871 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:32:04,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-10 15:32:04,968 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:32:04,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-10 15:32:04,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:32:04,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-10 15:32:04,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-07-10 15:32:04,969 INFO L87 Difference]: Start difference. First operand 1702 states and 2259 transitions. Second operand 10 states. [2020-07-10 15:32:30,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:32:30,709 INFO L93 Difference]: Finished difference Result 5728 states and 8335 transitions. [2020-07-10 15:32:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-10 15:32:30,709 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-07-10 15:32:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:32:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 15:32:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 919 transitions. [2020-07-10 15:32:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 15:32:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 919 transitions. [2020-07-10 15:32:30,732 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 919 transitions. [2020-07-10 15:32:32,438 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 919 edges. 919 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:32:32,441 INFO L225 Difference]: With dead ends: 5728 [2020-07-10 15:32:32,441 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 15:32:32,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2020-07-10 15:32:32,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 15:32:32,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 15:32:32,462 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:32:32,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 15:32:32,462 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 15:32:32,462 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 15:32:32,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:32:32,463 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 15:32:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 15:32:32,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:32:32,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:32:32,463 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 15:32:32,464 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 15:32:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:32:32,464 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 15:32:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 15:32:32,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:32:32,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:32:32,465 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:32:32,465 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:32:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 15:32:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 15:32:32,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2020-07-10 15:32:32,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:32:32,466 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 15:32:32,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-10 15:32:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 15:32:32,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:32:32,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 15:32:32,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 15:32:32,799 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2020-07-10 15:32:33,052 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2020-07-10 15:32:34,751 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2020-07-10 15:32:44,679 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:32:44,791 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-07-10 15:32:45,053 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:32:45,747 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2020-07-10 15:32:45,984 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:32:46,218 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2020-07-10 15:32:47,522 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 17 [2020-07-10 15:32:48,019 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:32:49,038 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2020-07-10 15:32:49,800 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 17 [2020-07-10 15:32:50,367 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 25 [2020-07-10 15:32:51,227 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2020-07-10 15:32:52,261 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2020-07-10 15:32:52,811 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 25 [2020-07-10 15:32:53,095 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-07-10 15:32:53,656 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2020-07-10 15:32:53,900 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:32:54,923 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 17 [2020-07-10 15:32:55,714 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 42 [2020-07-10 15:32:56,139 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2020-07-10 15:32:56,939 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 19 [2020-07-10 15:32:57,645 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 40 [2020-07-10 15:32:58,334 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2020-07-10 15:32:59,933 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 52 [2020-07-10 15:33:00,420 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2020-07-10 15:33:00,924 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 27 [2020-07-10 15:33:01,602 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2020-07-10 15:33:01,838 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2020-07-10 15:33:02,280 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-07-10 15:33:02,593 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:33:03,189 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2020-07-10 15:33:03,654 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-07-10 15:33:04,142 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 25 [2020-07-10 15:33:05,622 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2020-07-10 15:33:05,871 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:33:06,115 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2020-07-10 15:33:06,539 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2020-07-10 15:33:06,545 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-07-10 15:33:06,545 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-10 15:33:06,546 INFO L268 CegarLoopResult]: For program point L385-2(lines 369 393) no Hoare annotation was computed. [2020-07-10 15:33:06,546 INFO L268 CegarLoopResult]: For program point L377(lines 377 381) no Hoare annotation was computed. [2020-07-10 15:33:06,546 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2) (or (not (= ~c_dr_pc~0 1)) .cse0 .cse1 .cse2))) [2020-07-10 15:33:06,547 INFO L264 CegarLoopResult]: At program point L377-2(lines 377 381) the Hoare annotation is: (let ((.cse5 (not (<= ~p_dw_pc~0 0))) (.cse0 (not (<= ~c_dr_pc~0 0))) (.cse7 (= 0 ~q_read_ev~0)) (.cse1 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (<= 0 activate_threads_~tmp~1) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= activate_threads_~tmp~1 0))) (.cse6 (not (= ~c_dr_pc~0 1))) (.cse2 (= 1 ~p_dw_pc~0)) (.cse3 (= 0 ~q_write_ev~0)) (.cse4 (not (<= 2 ~q_read_ev~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse3) (or .cse5 .cse0 .cse1 .cse7 .cse3) (or .cse1 .cse6 .cse2 .cse3 .cse4))) [2020-07-10 15:33:06,547 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-10 15:33:06,547 INFO L264 CegarLoopResult]: At program point activate_threadsENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2) (or (not (= ~c_dr_pc~0 1)) .cse0 .cse1 .cse2))) [2020-07-10 15:33:06,547 INFO L268 CegarLoopResult]: For program point activate_threadsEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-10 15:33:06,547 INFO L268 CegarLoopResult]: For program point exists_runnable_threadEXIT(lines 277 296) no Hoare annotation was computed. [2020-07-10 15:33:06,547 INFO L268 CegarLoopResult]: For program point L285(lines 285 290) no Hoare annotation was computed. [2020-07-10 15:33:06,548 INFO L268 CegarLoopResult]: For program point L281(lines 281 291) no Hoare annotation was computed. [2020-07-10 15:33:06,548 INFO L271 CegarLoopResult]: At program point exists_runnable_threadENTRY(lines 277 296) the Hoare annotation is: true [2020-07-10 15:33:06,548 INFO L271 CegarLoopResult]: At program point L293(lines 280 295) the Hoare annotation is: true [2020-07-10 15:33:06,548 INFO L268 CegarLoopResult]: For program point exists_runnable_threadFINAL(lines 277 296) no Hoare annotation was computed. [2020-07-10 15:33:06,548 INFO L264 CegarLoopResult]: At program point update_fifo_qENTRY(lines 22 41) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse1 (= |old(~q_read_ev~0)| 0)) (.cse2 (= 0 |old(~q_write_ev~0)|))) (and (or .cse0 (not (= ~c_dr_pc~0 1)) .cse1 .cse2) (or .cse0 (not (<= ~c_dr_pc~0 0)) .cse1 .cse2))) [2020-07-10 15:33:06,548 INFO L268 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-07-10 15:33:06,548 INFO L268 CegarLoopResult]: For program point update_fifo_qEXIT(lines 22 41) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point L26-1(lines 25 40) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point update_fifo_qFINAL(lines 22 41) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point reset_delta_eventsEXIT(lines 315 332) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point L319-1(lines 318 331) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L264 CegarLoopResult]: At program point reset_delta_eventsENTRY(lines 315 332) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|))) (.cse1 (= |old(~q_read_ev~0)| 0)) (.cse2 (= 0 |old(~q_write_ev~0)|))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2) (or (not (= ~c_dr_pc~0 1)) .cse0 .cse1 .cse2))) [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point L324-1(lines 315 332) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point L268-1(lines 259 276) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point init_threadsEXIT(lines 259 276) no Hoare annotation was computed. [2020-07-10 15:33:06,549 INFO L264 CegarLoopResult]: At program point init_threadsENTRY(lines 259 276) the Hoare annotation is: (or (not (<= ~p_dw_pc~0 0)) (not (<= ~c_dr_pc~0 0)) (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))) [2020-07-10 15:33:06,549 INFO L268 CegarLoopResult]: For program point L263-1(lines 262 275) no Hoare annotation was computed. [2020-07-10 15:33:06,550 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 544 555) the Hoare annotation is: (or (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-10 15:33:06,550 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 544 555) no Hoare annotation was computed. [2020-07-10 15:33:06,550 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 544 555) no Hoare annotation was computed. [2020-07-10 15:33:06,550 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-10 15:33:06,550 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-10 15:33:06,550 INFO L264 CegarLoopResult]: At program point L549-1(line 549) the Hoare annotation is: (or (and (<= ~p_dw_pc~0 0) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (<= 2 ~q_read_ev~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~c_dr_pc~0 0) (<= 2 ~q_write_ev~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0))) [2020-07-10 15:33:06,550 INFO L264 CegarLoopResult]: At program point L161(lines 138 182) the Hoare annotation is: (let ((.cse0 (not (<= ~c_dr_pc~0 0))) (.cse5 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse4 (not (= ~c_dr_pc~0 1))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (not (<= |old(~p_dw_pc~0)| 0))) (.cse3 (= 0 ~q_write_ev~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3) (or .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3))) [2020-07-10 15:33:06,551 INFO L264 CegarLoopResult]: At program point do_write_pENTRY(lines 135 183) the Hoare annotation is: (let ((.cse0 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (= ~c_dr_pc~0 1)) .cse0 .cse1 .cse2) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2))) [2020-07-10 15:33:06,551 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-10 15:33:06,551 INFO L264 CegarLoopResult]: At program point L178(lines 135 183) the Hoare annotation is: (let ((.cse1 (= 0 ~q_read_ev~0))) (let ((.cse2 (not (<= |old(~p_dw_pc~0)| 0))) (.cse0 (not (= ~c_dr_pc~0 1))) (.cse6 (= 1 |old(~p_dw_pc~0)|)) (.cse5 (and (= 1 ~p_dw_pc~0) (not .cse1))) (.cse7 (not (<= ~c_dr_pc~0 0))) (.cse3 (= 0 ~q_write_ev~0)) (.cse4 (= ~q_req_up~0 |old(~q_req_up~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse7 .cse1 .cse3 .cse4)))) [2020-07-10 15:33:06,551 INFO L268 CegarLoopResult]: For program point L145(lines 145 149) no Hoare annotation was computed. [2020-07-10 15:33:06,551 INFO L264 CegarLoopResult]: At program point L143(lines 138 182) the Hoare annotation is: (let ((.cse0 (= 1 |old(~p_dw_pc~0)|)) (.cse1 (not (<= ~c_dr_pc~0 0))) (.cse5 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= 1 ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse4 (not (= ~c_dr_pc~0 1))) (.cse2 (= 0 ~q_read_ev~0)) (.cse3 (= 0 ~q_write_ev~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse1 .cse5 .cse2 .cse3) (or .cse5 .cse4 .cse2 .cse3))) [2020-07-10 15:33:06,551 INFO L268 CegarLoopResult]: For program point do_write_pEXIT(lines 135 183) no Hoare annotation was computed. [2020-07-10 15:33:06,552 INFO L264 CegarLoopResult]: At program point L154-1(lines 138 182) the Hoare annotation is: (let ((.cse0 (= |old(~p_dw_st~0)| ~p_dw_st~0)) (.cse2 (= 0 ~q_read_ev~0))) (let ((.cse4 (not (= ~c_dr_pc~0 1))) (.cse1 (not (<= ~c_dr_pc~0 0))) (.cse5 (and .cse0 (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (not .cse2) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse6 (not (<= |old(~p_dw_pc~0)| 0))) (.cse3 (= 0 ~q_write_ev~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse1 .cse2 .cse5 .cse6 .cse3)))) [2020-07-10 15:33:06,552 INFO L268 CegarLoopResult]: For program point L142(lines 142 150) no Hoare annotation was computed. [2020-07-10 15:33:06,552 INFO L268 CegarLoopResult]: For program point errorEXIT(lines 5 12) no Hoare annotation was computed. [2020-07-10 15:33:06,552 INFO L268 CegarLoopResult]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-07-10 15:33:06,552 INFO L271 CegarLoopResult]: At program point errorENTRY(lines 5 12) the Hoare annotation is: true [2020-07-10 15:33:06,552 INFO L268 CegarLoopResult]: For program point errorFINAL(lines 5 12) no Hoare annotation was computed. [2020-07-10 15:33:06,552 INFO L268 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point L126-2(lines 110 134) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsENTRY(lines 110 134) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point L118-2(lines 118 122) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsEXIT(lines 110 134) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L268 CegarLoopResult]: For program point fire_time_eventsEXIT(lines 335 350) no Hoare annotation was computed. [2020-07-10 15:33:06,553 INFO L264 CegarLoopResult]: At program point fire_time_eventsENTRY(lines 335 350) the Hoare annotation is: (let ((.cse0 (and (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~t~0 |old(~t~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2) (or (not (= ~c_dr_pc~0 1)) .cse0 .cse1 .cse2))) [2020-07-10 15:33:06,554 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 350) no Hoare annotation was computed. [2020-07-10 15:33:06,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-10 15:33:06,554 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) [2020-07-10 15:33:06,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-10 15:33:06,554 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 394 446) the Hoare annotation is: (let ((.cse0 (= 0 ~q_read_ev~0)) (.cse1 (= ~c_num_read~0 |old(~c_num_read~0)|)) (.cse2 (= |old(~p_dw_st~0)| ~p_dw_st~0)) (.cse3 (= ~p_last_write~0 |old(~p_last_write~0)|)) (.cse4 (= ~q_buf_0~0 |old(~q_buf_0~0)|)) (.cse5 (= ~p_num_write~0 |old(~p_num_write~0)|)) (.cse6 (= ~a_t~0 |old(~a_t~0)|)) (.cse7 (= ~c_last_read~0 |old(~c_last_read~0)|)) (.cse8 (= ~c_dr_st~0 |old(~c_dr_st~0)|)) (.cse9 (= |old(~p_dw_pc~0)| ~p_dw_pc~0)) (.cse10 (= |old(~q_free~0)| ~q_free~0)) (.cse11 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse12 (= 0 ~q_write_ev~0))) (and (or .cse0 (not (= 1 |old(~c_dr_pc~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~c_dr_pc~0 1) .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or (not (<= |old(~c_dr_pc~0)| 0)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) .cse9 .cse10 .cse11) .cse12))) [2020-07-10 15:33:06,554 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1)) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or .cse0 .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2) (or .cse0 (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse1 .cse2))) [2020-07-10 15:33:06,554 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-10 15:33:06,554 INFO L268 CegarLoopResult]: For program point L405-1(lines 400 440) no Hoare annotation was computed. [2020-07-10 15:33:06,555 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-07-10 15:33:06,555 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (= 0 ~q_read_ev~0))) (let ((.cse0 (and (= ~c_dr_pc~0 1) (not .cse1))) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2)))) [2020-07-10 15:33:06,555 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1)) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or .cse0 .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2) (or .cse0 (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse1 .cse2))) [2020-07-10 15:33:06,555 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-07-10 15:33:06,555 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 394 446) no Hoare annotation was computed. [2020-07-10 15:33:06,555 INFO L268 CegarLoopResult]: For program point L410(lines 400 440) no Hoare annotation was computed. [2020-07-10 15:33:06,555 INFO L264 CegarLoopResult]: At program point L441(lines 394 446) the Hoare annotation is: (let ((.cse1 (= 0 ~q_read_ev~0))) (let ((.cse0 (and (= ~c_dr_pc~0 1) (not .cse1))) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2)))) [2020-07-10 15:33:06,556 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-07-10 15:33:06,556 INFO L264 CegarLoopResult]: At program point L425(lines 400 440) the Hoare annotation is: (let ((.cse1 (= 0 ~q_read_ev~0))) (let ((.cse0 (and (= ~c_dr_pc~0 1) (not .cse1))) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2)))) [2020-07-10 15:33:06,556 INFO L271 CegarLoopResult]: At program point L462(lines 451 464) the Hoare annotation is: true [2020-07-10 15:33:06,556 INFO L268 CegarLoopResult]: For program point L455(lines 455 460) no Hoare annotation was computed. [2020-07-10 15:33:06,556 INFO L268 CegarLoopResult]: For program point stop_simulationEXIT(lines 447 465) no Hoare annotation was computed. [2020-07-10 15:33:06,556 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-10 15:33:06,556 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-10 15:33:06,556 INFO L271 CegarLoopResult]: At program point stop_simulationENTRY(lines 447 465) the Hoare annotation is: true [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point stop_simulationFINAL(lines 447 465) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point L95-1(lines 95 104) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L271 CegarLoopResult]: At program point is_do_read_c_triggeredENTRY(lines 81 109) the Hoare annotation is: true [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point L85-2(lines 84 108) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredFINAL(lines 81 109) no Hoare annotation was computed. [2020-07-10 15:33:06,557 INFO L271 CegarLoopResult]: At program point L106(lines 84 108) the Hoare annotation is: true [2020-07-10 15:33:06,557 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredEXIT(lines 81 109) no Hoare annotation was computed. [2020-07-10 15:33:06,558 INFO L264 CegarLoopResult]: At program point update_channelsENTRY(lines 244 258) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse1 (= |old(~q_read_ev~0)| 0)) (.cse2 (= 0 |old(~q_write_ev~0)|))) (and (or .cse0 (not (= ~c_dr_pc~0 1)) .cse1 .cse2) (or .cse0 (not (<= ~c_dr_pc~0 0)) .cse1 .cse2))) [2020-07-10 15:33:06,558 INFO L268 CegarLoopResult]: For program point update_channelsEXIT(lines 244 258) no Hoare annotation was computed. [2020-07-10 15:33:06,558 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse1 (= |old(~q_read_ev~0)| 0)) (.cse2 (= 0 |old(~q_write_ev~0)|))) (and (or .cse0 (not (= ~c_dr_pc~0 1)) .cse1 .cse2) (or .cse0 (not (<= ~c_dr_pc~0 0)) .cse1 .cse2))) [2020-07-10 15:33:06,558 INFO L268 CegarLoopResult]: For program point L248(lines 244 258) no Hoare annotation was computed. [2020-07-10 15:33:06,558 INFO L264 CegarLoopResult]: At program point fire_delta_eventsENTRY(lines 297 314) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)))) (and (or (not (= ~c_dr_pc~0 1)) .cse0) (or (not (<= ~c_dr_pc~0 0)) .cse0))) [2020-07-10 15:33:06,558 INFO L268 CegarLoopResult]: For program point L306-1(lines 297 314) no Hoare annotation was computed. [2020-07-10 15:33:06,558 INFO L268 CegarLoopResult]: For program point L301-1(lines 300 313) no Hoare annotation was computed. [2020-07-10 15:33:06,558 INFO L268 CegarLoopResult]: For program point fire_delta_eventsEXIT(lines 297 314) no Hoare annotation was computed. [2020-07-10 15:33:06,558 INFO L264 CegarLoopResult]: At program point L481-1(lines 478 518) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,558 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)) (and (<= ~p_dw_pc~0 0) (not (= 0 ~q_write_ev~0)) (<= ~c_dr_pc~0 0) (not (= 0 ~q_read_ev~0)))) [2020-07-10 15:33:06,559 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (and (<= ~p_dw_pc~0 0) (<= ~c_dr_pc~0 0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|))) [2020-07-10 15:33:06,559 INFO L268 CegarLoopResult]: For program point start_simulationEXIT(lines 466 524) no Hoare annotation was computed. [2020-07-10 15:33:06,559 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,559 INFO L268 CegarLoopResult]: For program point L500(lines 500 509) no Hoare annotation was computed. [2020-07-10 15:33:06,559 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 509) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,559 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-10 15:33:06,559 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,559 INFO L264 CegarLoopResult]: At program point L519(lines 466 524) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)) (not (= 0 ~q_read_ev~0))) [2020-07-10 15:33:06,559 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-10 15:33:06,560 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-10 15:33:06,560 INFO L264 CegarLoopResult]: At program point start_simulationENTRY(lines 466 524) the Hoare annotation is: (or (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|))) [2020-07-10 15:33:06,560 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-10 15:33:06,560 INFO L264 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)) (and (<= ~p_dw_pc~0 0) (not (= 0 ~q_write_ev~0)) (<= ~c_dr_pc~0 0) (not (= 0 ~q_read_ev~0)))) [2020-07-10 15:33:06,560 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (or (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)) (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|))) [2020-07-10 15:33:06,560 INFO L264 CegarLoopResult]: At program point L474-1(line 474) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)) (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (<= ~p_dw_pc~0 0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~c_dr_pc~0 0))) [2020-07-10 15:33:06,560 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,561 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,561 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,561 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (or (= ~c_dr_pc~0 1) (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|))) [2020-07-10 15:33:06,561 INFO L264 CegarLoopResult]: At program point L493-1(line 493) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,561 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,561 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-10 15:33:06,561 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (not (= 0 ~q_write_ev~0))) (.cse1 (not (= 0 ~q_read_ev~0)))) (or (and .cse0 (<= ~c_dr_pc~0 0) .cse1) (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 (= ~c_dr_pc~0 1) .cse1) (not (<= 2 |old(~q_write_ev~0)|)) (not (<= |old(~p_dw_pc~0)| 0)) (not (<= 2 |old(~q_read_ev~0)|)))) [2020-07-10 15:33:06,561 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-10 15:33:06,561 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~p_dw_pc~0 0) (<= ~c_dr_pc~0 0)) [2020-07-10 15:33:06,562 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point L56-2(lines 55 79) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredFINAL(lines 52 80) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredEXIT(lines 52 80) no Hoare annotation was computed. [2020-07-10 15:33:06,562 INFO L264 CegarLoopResult]: At program point L77(lines 55 79) the Hoare annotation is: (let ((.cse0 (not (<= ~p_dw_pc~0 0))) (.cse3 (= 0 ~q_read_ev~0)) (.cse2 (not (= ~c_dr_pc~0 1))) (.cse5 (not (<= ~c_dr_pc~0 0))) (.cse1 (and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0))) (.cse6 (= 1 ~p_dw_pc~0)) (.cse4 (= 0 ~q_write_ev~0)) (.cse7 (not (<= 2 ~q_read_ev~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse6 .cse4 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7))) [2020-07-10 15:33:06,562 INFO L271 CegarLoopResult]: At program point is_do_write_p_triggeredENTRY(lines 52 80) the Hoare annotation is: true [2020-07-10 15:33:06,562 INFO L268 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L268 CegarLoopResult]: For program point reset_time_eventsEXIT(lines 351 368) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L268 CegarLoopResult]: For program point L360-1(lines 351 368) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L264 CegarLoopResult]: At program point reset_time_eventsENTRY(lines 351 368) the Hoare annotation is: (let ((.cse0 (and (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or (not (= ~c_dr_pc~0 1)) .cse0 .cse1 .cse2) (or (not (<= ~c_dr_pc~0 0)) .cse0 .cse1 .cse2))) [2020-07-10 15:33:06,563 INFO L268 CegarLoopResult]: For program point L355-1(lines 354 367) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L268 CegarLoopResult]: For program point do_read_cEXIT(lines 185 243) no Hoare annotation was computed. [2020-07-10 15:33:06,563 INFO L264 CegarLoopResult]: At program point L238(lines 185 243) the Hoare annotation is: (let ((.cse0 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) .cse0) .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2) (or (and (= ~c_dr_pc~0 1) .cse0) (not (<= |old(~c_dr_pc~0)| 0)) .cse1 .cse2))) [2020-07-10 15:33:06,564 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (= 0 ~q_read_ev~0)) (.cse1 (= 0 ~q_write_ev~0))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) .cse0 .cse1) (or .cse0 (not (= 1 |old(~c_dr_pc~0)|)) .cse1))) [2020-07-10 15:33:06,564 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-10 15:33:06,564 INFO L264 CegarLoopResult]: At program point L234-1(lines 188 242) the Hoare annotation is: (let ((.cse0 (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse1 (= 0 ~q_read_ev~0)) (.cse2 (= 0 ~q_write_ev~0))) (and (or .cse0 (not (<= |old(~c_dr_pc~0)| 0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 1 |old(~c_dr_pc~0)|)) .cse2))) [2020-07-10 15:33:06,564 INFO L264 CegarLoopResult]: At program point L193(lines 188 242) the Hoare annotation is: (let ((.cse0 (= 0 ~q_read_ev~0)) (.cse1 (= 0 ~q_write_ev~0))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) .cse0 .cse1) (or .cse0 (not (= 1 |old(~c_dr_pc~0)|)) .cse1))) [2020-07-10 15:33:06,564 INFO L268 CegarLoopResult]: For program point L224(lines 224 236) no Hoare annotation was computed. [2020-07-10 15:33:06,564 INFO L268 CegarLoopResult]: For program point L189(lines 189 197) no Hoare annotation was computed. [2020-07-10 15:33:06,565 INFO L264 CegarLoopResult]: At program point do_read_cENTRY(lines 185 243) the Hoare annotation is: (let ((.cse0 (= ~c_num_read~0 |old(~c_num_read~0)|)) (.cse1 (= ~a_t~0 |old(~a_t~0)|)) (.cse2 (= ~c_last_read~0 |old(~c_last_read~0)|)) (.cse3 (= ~c_dr_st~0 |old(~c_dr_st~0)|)) (.cse4 (= |old(~q_free~0)| ~q_free~0)) (.cse5 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse6 (= 0 ~q_read_ev~0)) (.cse7 (= 0 ~q_write_ev~0))) (and (or (and .cse0 .cse1 .cse2 .cse3 (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) .cse4 .cse5) (not (<= |old(~c_dr_pc~0)| 0)) .cse6 .cse7) (or (and .cse0 .cse1 (= ~c_dr_pc~0 1) .cse2 .cse3 .cse4 .cse5) .cse6 (not (= 1 |old(~c_dr_pc~0)|)) .cse7))) [2020-07-10 15:33:06,565 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 218) no Hoare annotation was computed. [2020-07-10 15:33:06,565 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (= 0 ~q_read_ev~0)) (.cse1 (= 0 ~q_write_ev~0))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) .cse0 .cse1) (or .cse0 (not (= 1 |old(~c_dr_pc~0)|)) .cse1))) [2020-07-10 15:33:06,565 INFO L268 CegarLoopResult]: For program point init_modelFINAL(lines 525 543) no Hoare annotation was computed. [2020-07-10 15:33:06,565 INFO L268 CegarLoopResult]: For program point init_modelEXIT(lines 525 543) no Hoare annotation was computed. [2020-07-10 15:33:06,565 INFO L264 CegarLoopResult]: At program point init_modelENTRY(lines 525 543) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0)) (and (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0))) [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L319-1 has no Hoare annotation [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L319-1 has no Hoare annotation [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-10 15:33:06,573 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-10 15:33:06,575 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-10 15:33:06,575 WARN L170 areAnnotationChecker]: errorErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-10 15:33:06,575 WARN L170 areAnnotationChecker]: errorFINAL has no Hoare annotation [2020-07-10 15:33:06,575 WARN L170 areAnnotationChecker]: immediate_notify_threadsENTRY has no Hoare annotation [2020-07-10 15:33:06,575 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 15:33:06,576 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-10 15:33:06,576 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-10 15:33:06,578 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-10 15:33:06,579 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-10 15:33:06,580 WARN L170 areAnnotationChecker]: L301-1 has no Hoare annotation [2020-07-10 15:33:06,580 WARN L170 areAnnotationChecker]: L301-1 has no Hoare annotation [2020-07-10 15:33:06,582 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-10 15:33:06,582 WARN L170 areAnnotationChecker]: L355-1 has no Hoare annotation [2020-07-10 15:33:06,582 WARN L170 areAnnotationChecker]: L355-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: init_modelFINAL has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L375-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L319-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L319-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-10 15:33:06,583 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-10 15:33:06,585 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-10 15:33:06,585 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-10 15:33:06,586 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2020-07-10 15:33:06,586 WARN L170 areAnnotationChecker]: errorFINAL has no Hoare annotation [2020-07-10 15:33:06,586 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2020-07-10 15:33:06,586 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2020-07-10 15:33:06,586 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 15:33:06,586 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-10 15:33:06,587 WARN L170 areAnnotationChecker]: L453-1 has no Hoare annotation [2020-07-10 15:33:06,587 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-10 15:33:06,587 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-10 15:33:06,587 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-10 15:33:06,588 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-10 15:33:06,588 WARN L170 areAnnotationChecker]: L301-1 has no Hoare annotation [2020-07-10 15:33:06,588 WARN L170 areAnnotationChecker]: L301-1 has no Hoare annotation [2020-07-10 15:33:06,598 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 15:33:06,600 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: L355-1 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: L355-1 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: init_modelFINAL has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: L375-1 has no Hoare annotation [2020-07-10 15:33:06,601 WARN L170 areAnnotationChecker]: exists_runnable_threadFINAL has no Hoare annotation [2020-07-10 15:33:06,602 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2020-07-10 15:33:06,602 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2020-07-10 15:33:06,602 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-10 15:33:06,602 WARN L170 areAnnotationChecker]: L324-1 has no Hoare annotation [2020-07-10 15:33:06,602 WARN L170 areAnnotationChecker]: L268-1 has no Hoare annotation [2020-07-10 15:33:06,602 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2020-07-10 15:33:06,604 WARN L170 areAnnotationChecker]: do_write_pEXIT has no Hoare annotation [2020-07-10 15:33:06,604 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-10 15:33:06,607 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-10 15:33:06,607 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-10 15:33:06,607 WARN L170 areAnnotationChecker]: errorEXIT has no Hoare annotation [2020-07-10 15:33:06,607 WARN L170 areAnnotationChecker]: errorEXIT has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: L116-1 has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: fire_time_eventsEXIT has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: evalEXIT has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: L453-1 has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-10 15:33:06,608 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-10 15:33:06,609 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-10 15:33:06,609 WARN L170 areAnnotationChecker]: update_channelsEXIT has no Hoare annotation [2020-07-10 15:33:06,609 WARN L170 areAnnotationChecker]: update_channelsEXIT has no Hoare annotation [2020-07-10 15:33:06,609 WARN L170 areAnnotationChecker]: L306-1 has no Hoare annotation [2020-07-10 15:33:06,610 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 15:33:06,610 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-10 15:33:06,610 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-10 15:33:06,610 WARN L170 areAnnotationChecker]: L56-2 has no Hoare annotation [2020-07-10 15:33:06,610 WARN L170 areAnnotationChecker]: L56-2 has no Hoare annotation [2020-07-10 15:33:06,610 WARN L170 areAnnotationChecker]: L360-1 has no Hoare annotation [2020-07-10 15:33:06,611 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-10 15:33:06,611 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-10 15:33:06,611 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: init_modelEXIT has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: exists_runnable_threadFINAL has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: update_fifo_qFINAL has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: reset_delta_eventsEXIT has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: reset_delta_eventsEXIT has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: init_threadsEXIT has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2020-07-10 15:33:06,612 WARN L170 areAnnotationChecker]: do_write_pEXIT has no Hoare annotation [2020-07-10 15:33:06,614 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-10 15:33:06,615 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: evalEXIT has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L455 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L455 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: is_do_read_c_triggeredFINAL has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: L489-1 has no Hoare annotation [2020-07-10 15:33:06,616 WARN L170 areAnnotationChecker]: fire_delta_eventsEXIT has no Hoare annotation [2020-07-10 15:33:06,617 WARN L170 areAnnotationChecker]: fire_delta_eventsEXIT has no Hoare annotation [2020-07-10 15:33:06,617 WARN L170 areAnnotationChecker]: is_do_write_p_triggeredFINAL has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: L66-1 has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: reset_time_eventsEXIT has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: do_read_cEXIT has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: L208-1 has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2020-07-10 15:33:06,618 WARN L170 areAnnotationChecker]: exists_runnable_threadEXIT has no Hoare annotation [2020-07-10 15:33:06,619 WARN L170 areAnnotationChecker]: exists_runnable_threadEXIT has no Hoare annotation [2020-07-10 15:33:06,619 WARN L170 areAnnotationChecker]: exists_runnable_threadEXIT has no Hoare annotation [2020-07-10 15:33:06,619 WARN L170 areAnnotationChecker]: update_fifo_qEXIT has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: L118-2 has no Hoare annotation [2020-07-10 15:33:06,620 WARN L170 areAnnotationChecker]: L118-2 has no Hoare annotation [2020-07-10 15:33:06,622 WARN L170 areAnnotationChecker]: L485-1 has no Hoare annotation [2020-07-10 15:33:06,622 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-10 15:33:06,622 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-10 15:33:06,622 WARN L170 areAnnotationChecker]: stop_simulationFINAL has no Hoare annotation [2020-07-10 15:33:06,622 WARN L170 areAnnotationChecker]: is_do_read_c_triggeredFINAL has no Hoare annotation [2020-07-10 15:33:06,626 WARN L170 areAnnotationChecker]: is_do_write_p_triggeredFINAL has no Hoare annotation [2020-07-10 15:33:06,626 WARN L170 areAnnotationChecker]: L511 has no Hoare annotation [2020-07-10 15:33:06,626 WARN L170 areAnnotationChecker]: do_read_cEXIT has no Hoare annotation [2020-07-10 15:33:06,626 WARN L170 areAnnotationChecker]: L208-1 has no Hoare annotation [2020-07-10 15:33:06,626 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2020-07-10 15:33:06,626 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: start_simulationEXIT has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-10 15:33:06,627 WARN L170 areAnnotationChecker]: L489-1 has no Hoare annotation [2020-07-10 15:33:06,629 WARN L170 areAnnotationChecker]: L405-1 has no Hoare annotation [2020-07-10 15:33:06,629 WARN L170 areAnnotationChecker]: L405-1 has no Hoare annotation [2020-07-10 15:33:06,629 WARN L170 areAnnotationChecker]: stop_simulationFINAL has no Hoare annotation [2020-07-10 15:33:06,629 WARN L170 areAnnotationChecker]: is_do_read_c_triggeredEXIT has no Hoare annotation [2020-07-10 15:33:06,629 WARN L170 areAnnotationChecker]: is_do_read_c_triggeredEXIT has no Hoare annotation [2020-07-10 15:33:06,631 WARN L170 areAnnotationChecker]: is_do_write_p_triggeredEXIT has no Hoare annotation [2020-07-10 15:33:06,631 WARN L170 areAnnotationChecker]: is_do_write_p_triggeredEXIT has no Hoare annotation [2020-07-10 15:33:06,631 WARN L170 areAnnotationChecker]: L511 has no Hoare annotation [2020-07-10 15:33:06,631 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-10 15:33:06,631 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-10 15:33:06,631 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-10 15:33:06,632 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-10 15:33:06,632 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-10 15:33:06,632 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-10 15:33:06,632 WARN L170 areAnnotationChecker]: start_simulationEXIT has no Hoare annotation [2020-07-10 15:33:06,632 WARN L170 areAnnotationChecker]: L485-1 has no Hoare annotation [2020-07-10 15:33:06,636 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-10 15:33:06,636 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-10 15:33:06,636 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: stop_simulationEXIT has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: L513 has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: L513 has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-10 15:33:06,637 WARN L170 areAnnotationChecker]: L385-2 has no Hoare annotation [2020-07-10 15:33:06,638 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-10 15:33:06,638 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-10 15:33:06,640 WARN L170 areAnnotationChecker]: activate_threadsEXIT has no Hoare annotation [2020-07-10 15:33:06,640 WARN L170 areAnnotationChecker]: activate_threadsEXIT has no Hoare annotation [2020-07-10 15:33:06,640 WARN L170 areAnnotationChecker]: activate_threadsEXIT has no Hoare annotation [2020-07-10 15:33:06,640 INFO L163 areAnnotationChecker]: CFG has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 15:33:06,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:33:06 BoogieIcfgContainer [2020-07-10 15:33:06,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 15:33:06,687 INFO L168 Benchmark]: Toolchain (without parser) took 155625.19 ms. Allocated memory was 144.7 MB in the beginning and 977.3 MB in the end (delta: 832.6 MB). Free memory was 102.5 MB in the beginning and 572.2 MB in the end (delta: -469.7 MB). Peak memory consumption was 362.9 MB. Max. memory is 7.1 GB. [2020-07-10 15:33:06,688 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 15:33:06,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.85 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 181.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-10 15:33:06,689 INFO L168 Benchmark]: Boogie Preprocessor took 92.81 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 178.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-10 15:33:06,690 INFO L168 Benchmark]: RCFGBuilder took 827.33 ms. Allocated memory is still 202.4 MB. Free memory was 178.5 MB in the beginning and 115.9 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2020-07-10 15:33:06,690 INFO L168 Benchmark]: TraceAbstraction took 154187.77 ms. Allocated memory was 202.4 MB in the beginning and 977.3 MB in the end (delta: 774.9 MB). Free memory was 115.2 MB in the beginning and 572.2 MB in the end (delta: -457.0 MB). Peak memory consumption was 317.8 MB. Max. memory is 7.1 GB. [2020-07-10 15:33:06,694 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 505.85 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 181.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.81 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 178.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 827.33 ms. Allocated memory is still 202.4 MB. Free memory was 178.5 MB in the beginning and 115.9 MB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 154187.77 ms. Allocated memory was 202.4 MB in the beginning and 977.3 MB in the end (delta: 774.9 MB). Free memory was 115.2 MB in the beginning and 572.2 MB in the end (delta: -457.0 MB). Peak memory consumption was 317.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((!(\old(c_dr_pc) <= 0) || !(2 <= \old(q_write_ev))) || !(\old(p_dw_pc) <= 0)) || !(2 <= \old(q_read_ev))) || !(0 == q_read_ev) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((!(\old(c_dr_pc) <= 0) || 0 == q_read_ev) || 0 == q_write_ev) && ((0 == q_read_ev || !(1 == \old(c_dr_pc))) || 0 == q_write_ev) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((!(p_dw_pc <= 0) || (0 <= __retres1 && __retres1 <= 0)) || !(c_dr_pc == 1)) || 0 == q_read_ev) || 0 == q_write_ev) && ((((!(p_dw_pc <= 0) || !(c_dr_pc <= 0)) || (0 <= __retres1 && __retres1 <= 0)) || 0 == q_read_ev) || 0 == q_write_ev)) && (((((0 <= __retres1 && __retres1 <= 0) || !(c_dr_pc == 1)) || 1 == p_dw_pc) || 0 == q_write_ev) || !(2 <= q_read_ev))) && ((((!(c_dr_pc <= 0) || (0 <= __retres1 && __retres1 <= 0)) || 1 == p_dw_pc) || 0 == q_write_ev) || !(2 <= q_read_ev)) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((((!(\old(c_dr_pc) <= 0) || c_dr_pc <= 0) || (c_dr_pc == 1 && !(0 == q_read_ev))) || 0 == q_read_ev) || 0 == q_write_ev) && ((((c_dr_pc == 1 && !(0 == q_read_ev)) || 0 == q_read_ev) || !(1 == \old(c_dr_pc))) || 0 == q_write_ev) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((((!(c_dr_pc == 1) || 0 == q_read_ev) || !(\old(p_dw_pc) <= 0)) || 0 == q_write_ev) || q_req_up == \old(q_req_up)) && (((((1 == p_dw_pc && !(0 == q_read_ev)) || 1 == \old(p_dw_pc)) || !(c_dr_pc == 1)) || 0 == q_read_ev) || 0 == q_write_ev)) && ((((!(c_dr_pc <= 0) || 0 == q_read_ev) || !(\old(p_dw_pc) <= 0)) || 0 == q_write_ev) || q_req_up == \old(q_req_up))) && (((((1 == p_dw_pc && !(0 == q_read_ev)) || !(c_dr_pc == 1)) || 0 == q_read_ev) || 0 == q_write_ev) || q_req_up == \old(q_req_up))) && (((((1 == p_dw_pc && !(0 == q_read_ev)) || 1 == \old(p_dw_pc)) || !(c_dr_pc <= 0)) || 0 == q_read_ev) || 0 == q_write_ev)) && (((((1 == p_dw_pc && !(0 == q_read_ev)) || !(c_dr_pc <= 0)) || 0 == q_read_ev) || 0 == q_write_ev) || q_req_up == \old(q_req_up)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((c_num_read == \old(c_num_read) && a_t == \old(a_t)) && c_last_read == \old(c_last_read)) && c_dr_st == \old(c_dr_st)) && c_dr_pc == \old(c_dr_pc)) && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) || !(\old(c_dr_pc) <= 0)) || 0 == q_read_ev) || 0 == q_write_ev) && (((((((((c_num_read == \old(c_num_read) && a_t == \old(a_t)) && c_last_read == \old(c_last_read)) && c_dr_st == \old(c_dr_st)) && c_dr_pc == \old(c_dr_pc)) && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) || 0 == q_read_ev) || !(1 == \old(c_dr_pc))) || 0 == q_write_ev) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((\old(p_dw_st) == p_dw_st || !(c_dr_pc <= 0)) || 0 == q_read_ev) || 0 == q_write_ev) && ((((!(c_dr_pc == 1) || 0 == q_read_ev) || (((((((\old(p_dw_st) == p_dw_st && p_last_write == \old(p_last_write)) && q_buf_0 == \old(q_buf_0)) && p_num_write == \old(p_num_write)) && \old(p_dw_pc) == p_dw_pc) && \old(q_free) == q_free) && !(0 == q_read_ev)) && q_req_up == \old(q_req_up))) || !(\old(p_dw_pc) <= 0)) || 0 == q_write_ev)) && (((\old(p_dw_st) == p_dw_st || !(c_dr_pc == 1)) || 0 == q_read_ev) || 0 == q_write_ev)) && ((((!(c_dr_pc <= 0) || 0 == q_read_ev) || (((((((\old(p_dw_st) == p_dw_st && p_last_write == \old(p_last_write)) && q_buf_0 == \old(q_buf_0)) && p_num_write == \old(p_num_write)) && \old(p_dw_pc) == p_dw_pc) && \old(q_free) == q_free) && !(0 == q_read_ev)) && q_req_up == \old(q_req_up))) || !(\old(p_dw_pc) <= 0)) || 0 == q_write_ev) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((1 == \old(p_dw_pc) || !(c_dr_pc <= 0)) || 0 == q_read_ev) || 0 == q_write_ev) && (((1 == \old(p_dw_pc) || !(c_dr_pc == 1)) || 0 == q_read_ev) || 0 == q_write_ev)) && (((!(c_dr_pc <= 0) || ((((((\old(p_dw_st) == p_dw_st && p_last_write == \old(p_last_write)) && q_buf_0 == \old(q_buf_0)) && p_num_write == \old(p_num_write)) && 1 == p_dw_pc) && \old(q_free) == q_free) && q_req_up == \old(q_req_up))) || 0 == q_read_ev) || 0 == q_write_ev)) && (((((((((\old(p_dw_st) == p_dw_st && p_last_write == \old(p_last_write)) && q_buf_0 == \old(q_buf_0)) && p_num_write == \old(p_num_write)) && 1 == p_dw_pc) && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) || !(c_dr_pc == 1)) || 0 == q_read_ev) || 0 == q_write_ev) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((!(0 == q_write_ev) && c_dr_pc <= 0) && !(0 == q_read_ev)) || !(\old(c_dr_pc) <= 0)) || ((!(0 == q_write_ev) && c_dr_pc == 1) && !(0 == q_read_ev))) || !(2 <= \old(q_write_ev))) || !(\old(p_dw_pc) <= 0)) || !(2 <= \old(q_read_ev)) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((!(c_dr_pc <= 0) || 0 == q_read_ev) || !(\old(p_dw_pc) <= 0)) || 0 == q_write_ev) && (((!(c_dr_pc == 1) || ((((((\old(p_dw_st) == p_dw_st && p_last_write == \old(p_last_write)) && q_buf_0 == \old(q_buf_0)) && p_num_write == \old(p_num_write)) && \old(p_dw_pc) == p_dw_pc) && \old(q_free) == q_free) && q_req_up == \old(q_req_up))) || 0 == q_read_ev) || 0 == q_write_ev)) && (((!(c_dr_pc <= 0) || ((((((\old(p_dw_st) == p_dw_st && p_last_write == \old(p_last_write)) && q_buf_0 == \old(q_buf_0)) && p_num_write == \old(p_num_write)) && \old(p_dw_pc) == p_dw_pc) && \old(q_free) == q_free) && q_req_up == \old(q_req_up))) || 0 == q_read_ev) || 0 == q_write_ev)) && (((!(c_dr_pc == 1) || 0 == q_read_ev) || !(\old(p_dw_pc) <= 0)) || 0 == q_write_ev) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((!(\old(c_dr_pc) <= 0) || c_dr_pc <= 0) || (c_dr_pc == 1 && !(0 == q_read_ev))) || 0 == q_read_ev) || 0 == q_write_ev) && ((((c_dr_pc == 1 && !(0 == q_read_ev)) || 0 == q_read_ev) || !(1 == \old(c_dr_pc))) || 0 == q_write_ev) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((c_num_read == \old(c_num_read) && c_dr_pc == \old(c_dr_pc)) && \old(q_free) == q_free) && q_req_up == \old(q_req_up)) || 0 == q_read_ev) || !(1 == \old(c_dr_pc))) || 0 == q_write_ev) && ((((c_dr_pc == 1 && q_req_up == \old(q_req_up)) || !(\old(c_dr_pc) <= 0)) || 0 == q_read_ev) || 0 == q_write_ev) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 119.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 102.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 994 SDtfs, 3405 SDslu, 897 SDs, 0 SdLazy, 9728 SolverSat, 2237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1702occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 14.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 1546 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 3384 PreInvPairs, 5840 NumberOfFragments, 2614 HoareAnnotationTreeSize, 3384 FomulaSimplifications, 5656084 FormulaSimplificationTreeSizeReduction, 11.9s HoareSimplificationTime, 63 FomulaSimplificationsInter, 167680 FormulaSimplificationTreeSizeReductionInter, 13.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 93036 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 correct! Received shutdown request...