/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 0.2.0-b8ad66e [2020-10-24 02:40:38,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 02:40:38,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 02:40:38,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 02:40:38,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 02:40:38,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 02:40:38,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 02:40:38,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 02:40:38,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 02:40:38,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 02:40:38,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 02:40:38,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 02:40:38,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 02:40:38,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 02:40:38,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 02:40:38,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 02:40:38,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 02:40:38,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 02:40:38,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 02:40:38,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 02:40:38,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 02:40:38,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 02:40:38,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 02:40:38,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 02:40:38,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 02:40:38,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 02:40:38,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 02:40:38,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 02:40:38,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 02:40:38,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 02:40:38,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 02:40:38,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 02:40:38,298 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 02:40:38,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 02:40:38,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 02:40:38,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 02:40:38,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 02:40:38,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 02:40:38,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 02:40:38,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 02:40:38,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 02:40:38,302 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 02:40:38,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 02:40:38,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 02:40:38,303 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 02:40:38,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 02:40:38,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 02:40:38,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 02:40:38,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 02:40:38,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 02:40:38,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 02:40:38,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 02:40:38,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 02:40:38,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 02:40:38,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 02:40:38,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 02:40:38,864 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 02:40:38,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2020-10-24 02:40:38,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/992afe40c/b2d113d1f4904f7c9ef258ce65d254c0/FLAGebdf11317 [2020-10-24 02:40:39,648 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 02:40:39,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2020-10-24 02:40:39,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/992afe40c/b2d113d1f4904f7c9ef258ce65d254c0/FLAGebdf11317 [2020-10-24 02:40:40,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/992afe40c/b2d113d1f4904f7c9ef258ce65d254c0 [2020-10-24 02:40:40,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 02:40:40,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 02:40:40,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 02:40:40,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 02:40:40,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 02:40:40,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ffc228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40, skipping insertion in model container [2020-10-24 02:40:40,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 02:40:40,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 02:40:40,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:40:40,282 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 02:40:40,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:40:40,347 INFO L208 MainTranslator]: Completed translation [2020-10-24 02:40:40,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40 WrapperNode [2020-10-24 02:40:40,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 02:40:40,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 02:40:40,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 02:40:40,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 02:40:40,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (1/1) ... [2020-10-24 02:40:40,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 02:40:40,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 02:40:40,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 02:40:40,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 02:40:40,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (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 [2020-10-24 02:40:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 02:40:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 02:40:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 02:40:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-24 02:40:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-24 02:40:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-24 02:40:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-24 02:40:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-24 02:40:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-24 02:40:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-24 02:40:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-24 02:40:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-24 02:40:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-24 02:40:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-24 02:40:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-24 02:40:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 02:40:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 02:40:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 02:40:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 02:40:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 02:40:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 02:40:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-24 02:40:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-24 02:40:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-24 02:40:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-24 02:40:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-24 02:40:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-24 02:40:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 02:40:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 02:40:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 02:40:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 02:40:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 02:40:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 02:40:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 02:40:41,164 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 02:40:41,164 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-24 02:40:41,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:40:41 BoogieIcfgContainer [2020-10-24 02:40:41,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 02:40:41,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 02:40:41,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 02:40:41,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 02:40:41,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:40:40" (1/3) ... [2020-10-24 02:40:41,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b188b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:40:41, skipping insertion in model container [2020-10-24 02:40:41,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:40" (2/3) ... [2020-10-24 02:40:41,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b188b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:40:41, skipping insertion in model container [2020-10-24 02:40:41,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:40:41" (3/3) ... [2020-10-24 02:40:41,188 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2020-10-24 02:40:41,212 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 02:40:41,220 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 02:40:41,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 02:40:41,287 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 02:40:41,288 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 02:40:41,288 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 02:40:41,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 02:40:41,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 02:40:41,288 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 02:40:41,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 02:40:41,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 02:40:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-10-24 02:40:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-24 02:40:41,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:40:41,354 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] [2020-10-24 02:40:41,355 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:40:41,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:40:41,372 INFO L82 PathProgramCache]: Analyzing trace with hash 849713103, now seen corresponding path program 1 times [2020-10-24 02:40:41,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:40:41,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768932251] [2020-10-24 02:40:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:40:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:40:42,003 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-24 02:40:42,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:40:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:40:42,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-24 02:40:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:40:42,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-24 02:40:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:40:42,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 02:40:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:40:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:40:42,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768932251] [2020-10-24 02:40:42,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:40:42,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 02:40:42,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319578099] [2020-10-24 02:40:42,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 02:40:42,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:40:42,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 02:40:42,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:40:42,317 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 7 states. [2020-10-24 02:40:43,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:40:43,858 INFO L93 Difference]: Finished difference Result 417 states and 535 transitions. [2020-10-24 02:40:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 02:40:43,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-10-24 02:40:43,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:40:43,878 INFO L225 Difference]: With dead ends: 417 [2020-10-24 02:40:43,879 INFO L226 Difference]: Without dead ends: 262 [2020-10-24 02:40:43,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-24 02:40:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-24 02:40:43,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 181. [2020-10-24 02:40:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-24 02:40:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 205 transitions. [2020-10-24 02:40:44,002 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 205 transitions. Word has length 77 [2020-10-24 02:40:44,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:40:44,003 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 205 transitions. [2020-10-24 02:40:44,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 02:40:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 205 transitions. [2020-10-24 02:40:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-24 02:40:44,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:40:44,008 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] [2020-10-24 02:40:44,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 02:40:44,008 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:40:44,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:40:44,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1263540369, now seen corresponding path program 1 times [2020-10-24 02:40:44,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:40:44,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449623704] [2020-10-24 02:40:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:40:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 02:40:44,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 02:40:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 02:40:44,072 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 02:40:44,132 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 02:40:44,133 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 02:40:44,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 02:40:44,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:40:44 BoogieIcfgContainer [2020-10-24 02:40:44,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 02:40:44,313 INFO L168 Benchmark]: Toolchain (without parser) took 4303.65 ms. Allocated memory was 125.8 MB in the beginning and 160.4 MB in the end (delta: 34.6 MB). Free memory was 102.7 MB in the beginning and 69.2 MB in the end (delta: 33.5 MB). Peak memory consumption was 68.9 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:44,314 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 87.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 02:40:44,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.60 ms. Allocated memory is still 125.8 MB. Free memory was 102.0 MB in the beginning and 90.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:44,316 INFO L168 Benchmark]: Boogie Preprocessor took 65.22 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 88.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:44,317 INFO L168 Benchmark]: RCFGBuilder took 748.35 ms. Allocated memory was 125.8 MB in the beginning and 160.4 MB in the end (delta: 34.6 MB). Free memory was 88.4 MB in the beginning and 124.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:44,318 INFO L168 Benchmark]: TraceAbstraction took 3142.13 ms. Allocated memory is still 160.4 MB. Free memory was 124.2 MB in the beginning and 69.2 MB in the end (delta: 55.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:44,323 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 125.8 MB. Free memory is still 87.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 332.60 ms. Allocated memory is still 125.8 MB. Free memory was 102.0 MB in the beginning and 90.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.22 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 88.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 748.35 ms. Allocated memory was 125.8 MB in the beginning and 160.4 MB in the end (delta: 34.6 MB). Free memory was 88.4 MB in the beginning and 124.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3142.13 ms. Allocated memory is still 160.4 MB. Free memory was 124.2 MB in the beginning and 69.2 MB in the end (delta: 55.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_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] CALL 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] [L3] __assert_fail("0", "pc_sfifo_1.cil-1.c", 3, "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: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 167 SDtfs, 444 SDslu, 136 SDs, 0 SdLazy, 507 SolverSat, 78 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, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 15732 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...