/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:31:56,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:31:56,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:31:56,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:31:56,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:31:56,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:31:56,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:31:56,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:31:56,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:31:56,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:31:56,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:31:56,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:31:56,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:31:56,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:31:56,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:31:56,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:31:56,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:31:56,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:31:56,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:31:56,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:31:56,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:31:56,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:31:56,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:31:56,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:31:56,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 00:31:56,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 00:31:56,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 00:31:56,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 00:31:56,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 00:31:56,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 00:31:56,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 00:31:56,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 00:31:56,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 00:31:56,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 00:31:56,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 00:31:56,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 00:31:56,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 00:31:56,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 00:31:56,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:31:56,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:31:56,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:31:56,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:31:56,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:31:56,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:31:56,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:31:56,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:31:56,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:31:56,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:31:56,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:31:56,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:31:56,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:31:56,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:31:56,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:31:56,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:31:56,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:31:56,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:31:56,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:31:56,826 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:31:56,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:31:56,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:31:56,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:31:56,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:31:56,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:31:56,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:31:56,827 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:31:57,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:31:57,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:31:57,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:31:57,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:31:57,327 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:31:57,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2021-02-24 00:31:57,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0198c12e8/348bac3a345c4a67b71ed286dd3b3b9d/FLAG661a064e9 [2021-02-24 00:31:58,012 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:31:58,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2021-02-24 00:31:58,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0198c12e8/348bac3a345c4a67b71ed286dd3b3b9d/FLAG661a064e9 [2021-02-24 00:31:58,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0198c12e8/348bac3a345c4a67b71ed286dd3b3b9d [2021-02-24 00:31:58,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:31:58,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:31:58,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:31:58,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:31:58,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:31:58,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af086dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58, skipping insertion in model container [2021-02-24 00:31:58,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:31:58,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:31:58,679 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c[337,350] [2021-02-24 00:31:58,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:31:58,790 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:31:58,805 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c[337,350] [2021-02-24 00:31:58,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:31:58,854 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:31:58,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58 WrapperNode [2021-02-24 00:31:58,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:31:58,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:31:58,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:31:58,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:31:58,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... [2021-02-24 00:31:58,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:31:58,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:31:58,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:31:58,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:31:58,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:31:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:31:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:31:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:31:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-02-24 00:31:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-02-24 00:31:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-02-24 00:31:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-02-24 00:31:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2021-02-24 00:31:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2021-02-24 00:31:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2021-02-24 00:31:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-02-24 00:31:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2021-02-24 00:31:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2021-02-24 00:31:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2021-02-24 00:31:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2021-02-24 00:31:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:31:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:31:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:31:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:31:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:31:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 00:31:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-02-24 00:31:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-02-24 00:31:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-02-24 00:31:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-02-24 00:31:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2021-02-24 00:31:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2021-02-24 00:31:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2021-02-24 00:31:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-02-24 00:31:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2021-02-24 00:31:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2021-02-24 00:31:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2021-02-24 00:31:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2021-02-24 00:31:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:31:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:31:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:31:59,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:31:59,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:31:59,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:31:59,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:31:59,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:31:59,571 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-24 00:31:59,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:31:59 BoogieIcfgContainer [2021-02-24 00:31:59,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:31:59,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:31:59,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:31:59,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:31:59,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:31:58" (1/3) ... [2021-02-24 00:31:59,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705ad002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:31:59, skipping insertion in model container [2021-02-24 00:31:59,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:31:58" (2/3) ... [2021-02-24 00:31:59,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705ad002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:31:59, skipping insertion in model container [2021-02-24 00:31:59,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:31:59" (3/3) ... [2021-02-24 00:31:59,584 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2021-02-24 00:31:59,592 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:31:59,597 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:31:59,619 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:31:59,646 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:31:59,646 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:31:59,646 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:31:59,646 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:31:59,646 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:31:59,647 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:31:59,647 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:31:59,647 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:31:59,674 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2021-02-24 00:31:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-02-24 00:31:59,689 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:31:59,690 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] [2021-02-24 00:31:59,691 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:31:59,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:31:59,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1188193866, now seen corresponding path program 1 times [2021-02-24 00:31:59,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:31:59,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686227470] [2021-02-24 00:31:59,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:31:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:32:00,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:32:00,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:32:00,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:32:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:32:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:32:00,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:32:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-02-24 00:32:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:32:00,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:32:00,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:32:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-24 00:32:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:32:00,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:32:00,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-24 00:32:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-24 00:32:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:32:00,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:32:00,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:32:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:32:00,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686227470] [2021-02-24 00:32:00,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:32:00,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 00:32:00,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678678950] [2021-02-24 00:32:00,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:32:00,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:32:00,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:32:00,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:32:00,512 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 7 states. [2021-02-24 00:32:01,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:32:01,992 INFO L93 Difference]: Finished difference Result 413 states and 530 transitions. [2021-02-24 00:32:01,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-24 00:32:01,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2021-02-24 00:32:01,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:32:02,011 INFO L225 Difference]: With dead ends: 413 [2021-02-24 00:32:02,012 INFO L226 Difference]: Without dead ends: 261 [2021-02-24 00:32:02,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-24 00:32:02,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-02-24 00:32:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 180. [2021-02-24 00:32:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2021-02-24 00:32:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 204 transitions. [2021-02-24 00:32:02,137 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 204 transitions. Word has length 76 [2021-02-24 00:32:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:32:02,138 INFO L480 AbstractCegarLoop]: Abstraction has 180 states and 204 transitions. [2021-02-24 00:32:02,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:32:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 204 transitions. [2021-02-24 00:32:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-02-24 00:32:02,143 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:32:02,143 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] [2021-02-24 00:32:02,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:32:02,144 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:32:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:32:02,145 INFO L82 PathProgramCache]: Analyzing trace with hash -126901590, now seen corresponding path program 1 times [2021-02-24 00:32:02,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:32:02,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320011407] [2021-02-24 00:32:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:32:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 00:32:02,195 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 00:32:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 00:32:02,231 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 00:32:02,316 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 00:32:02,316 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 00:32:02,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:32:02,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:32:02 BoogieIcfgContainer [2021-02-24 00:32:02,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:32:02,501 INFO L168 Benchmark]: Toolchain (without parser) took 4135.77 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 128.1 MB in the beginning and 97.0 MB in the end (delta: 31.1 MB). Peak memory consumption was 69.7 MB. Max. memory is 8.0 GB. [2021-02-24 00:32:02,506 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:32:02,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.05 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 115.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-24 00:32:02,512 INFO L168 Benchmark]: Boogie Preprocessor took 59.47 ms. Allocated memory is still 151.0 MB. Free memory was 115.2 MB in the beginning and 113.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 00:32:02,514 INFO L168 Benchmark]: RCFGBuilder took 657.23 ms. Allocated memory is still 151.0 MB. Free memory was 113.3 MB in the beginning and 115.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-02-24 00:32:02,516 INFO L168 Benchmark]: TraceAbstraction took 2918.73 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 115.0 MB in the beginning and 97.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. [2021-02-24 00:32:02,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 474.05 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 115.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.47 ms. Allocated memory is still 151.0 MB. Free memory was 115.2 MB in the beginning and 113.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 657.23 ms. Allocated memory is still 151.0 MB. Free memory was 113.3 MB in the beginning and 115.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2918.73 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 115.0 MB in the beginning and 97.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L16] int q_buf_0 ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=58, p_last_write=71, p_num_write=57, q_buf_0=0, q_free=70, q_read_ev=66, q_write_ev=55] [L17] int q_free ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=58, p_last_write=71, p_num_write=57, q_buf_0=0, q_free=0, q_read_ev=66, q_write_ev=55] [L18] int q_read_ev ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=58, p_last_write=71, p_num_write=57, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=55] [L19] int q_write_ev ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=58, p_last_write=71, p_num_write=57, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L20] int p_num_write ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=58, p_last_write=71, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L21] int p_last_write ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=58, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L22] int p_dw_st ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=68, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L23] int p_dw_pc ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=51, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L24] int p_dw_i ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=54, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L25] int c_num_read ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=53, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L26] int c_last_read ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=69, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L27] int c_dr_st ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=67, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L28] int c_dr_pc ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=49, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L29] int c_dr_i ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=64, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L136] static int a_t ; VAL [\old(a_t)=64, \old(c_dr_i)=49, \old(c_dr_pc)=67, \old(c_dr_st)=69, \old(c_last_read)=53, \old(c_num_read)=54, \old(p_dw_i)=51, \old(p_dw_pc)=68, \old(p_dw_st)=58, \old(p_last_write)=71, \old(p_num_write)=57, \old(q_buf_0)=61, \old(q_free)=70, \old(q_read_ev)=66, \old(q_write_ev)=55, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L352] int __retres1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L356] CALL init_model() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0] [L338] q_free = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=0, q_write_ev=0] [L339] q_write_ev = 2 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=0, q_write_ev=2] [L340] q_read_ev = q_write_ev VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L341] p_num_write = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L342] p_dw_pc = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L343] p_dw_i = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L344] c_num_read = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L345] c_dr_pc = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L346] c_dr_i = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L356] RET init_model() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L357] CALL start_simulation() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L306] int kernel_st ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L307] int tmp ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L311] kernel_st = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L312] CALL init_threads() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L198] COND TRUE (int )p_dw_i == 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L199] p_dw_st = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L203] COND TRUE (int )c_dr_i == 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L204] c_dr_st = 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L312] RET init_threads() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L315] COND TRUE 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L318] kernel_st = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L319] CALL eval() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L233] int tmp ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L234] int tmp___0 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L235] int tmp___1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L239] COND TRUE 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L242] CALL, EXPR exists_runnable_thread() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L213] int __retres1 ; VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L216] COND TRUE (int )p_dw_st == 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L217] __retres1 = 1 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, __retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L229] return (__retres1); VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, \result=1, __retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L242] RET, EXPR exists_runnable_thread() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, exists_runnable_thread()=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L242] tmp___1 = exists_runnable_thread() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, exists_runnable_thread()=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, tmp___1=1] [L244] COND TRUE \read(tmp___1) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, tmp___1=1] [L249] COND TRUE (int )p_dw_st == 0 VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, tmp___1=1] [L251] tmp = __VERIFIER_nondet_int() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, __VERIFIER_nondet_int()=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, tmp=0, tmp___1=1] [L253] COND FALSE !(\read(tmp)) VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, tmp=0, tmp___1=1] [L259] CALL error() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L11] reach_error() VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 166 SDtfs, 444 SDslu, 136 SDs, 0 SdLazy, 506 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 15450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 incorrect! Received shutdown request...