/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:50:53,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:50:53,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:50:53,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:50:53,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:50:53,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:50:53,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:50:53,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:50:53,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:50:53,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:50:53,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:50:53,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:50:53,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:50:53,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:50:53,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:50:53,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:50:53,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:50:53,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:50:53,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:50:53,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:50:53,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:50:53,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:50:53,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:50:53,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:50:53,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:50:53,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:50:53,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:50:53,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:50:53,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:50:53,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:50:53,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:50:53,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:50:53,392 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:50:53,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:50:53,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:50:53,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:50:53,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:50:53,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:50:53,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:50:53,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:50:53,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:50:53,394 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:50:53,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:50:53,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:50:53,396 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:50:53,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:50:53,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:50:53,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:50:53,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:50:53,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:50:53,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:50:53,398 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:50:53,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:50:53,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:50:53,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:50:53,715 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:50:53,716 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:50:53,716 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-18 00:50:53,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378cad9f1/1db728a93c1f447380f7da2263bf3b2f/FLAG47a8acb83 [2020-07-18 00:50:54,243 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:50:54,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-18 00:50:54,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378cad9f1/1db728a93c1f447380f7da2263bf3b2f/FLAG47a8acb83 [2020-07-18 00:50:54,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378cad9f1/1db728a93c1f447380f7da2263bf3b2f [2020-07-18 00:50:54,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:50:54,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:50:54,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:50:54,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:50:54,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:50:54,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:50:54" (1/1) ... [2020-07-18 00:50:54,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623a5d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:54, skipping insertion in model container [2020-07-18 00:50:54,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:50:54" (1/1) ... [2020-07-18 00:50:54,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:50:54,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:50:55,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:50:55,106 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:50:55,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:50:55,321 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:50:55,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55 WrapperNode [2020-07-18 00:50:55,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:50:55,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:50:55,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:50:55,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:50:55,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... [2020-07-18 00:50:55,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:50:55,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:50:55,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:50:55,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:50:55,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-18 00:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-07-18 00:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-07-18 00:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-07-18 00:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-07-18 00:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-07-18 00:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-07-18 00:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-18 00:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-18 00:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-18 00:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-18 00:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-18 00:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-18 00:50:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-18 00:50:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-18 00:50:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-18 00:50:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-18 00:50:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-18 00:50:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-18 00:50:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-18 00:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-07-18 00:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-07-18 00:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-07-18 00:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-07-18 00:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-07-18 00:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-18 00:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:50:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:50:56,376 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint L209: ~c_dr_st~0 := 2; [2020-07-18 00:50:56,377 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint L210: ~c_dr_pc~0 := 2; [2020-07-18 00:50:56,377 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: ~a_t~0 := ~a~0; [2020-07-18 00:50:56,377 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0; [2020-07-18 00:50:56,377 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-07-18 00:50:56,453 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:50:56,454 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 00:50:56,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:50:56 BoogieIcfgContainer [2020-07-18 00:50:56,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:50:56,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:50:56,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:50:56,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:50:56,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:50:54" (1/3) ... [2020-07-18 00:50:56,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f4f69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:50:56, skipping insertion in model container [2020-07-18 00:50:56,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:50:55" (2/3) ... [2020-07-18 00:50:56,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f4f69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:50:56, skipping insertion in model container [2020-07-18 00:50:56,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:50:56" (3/3) ... [2020-07-18 00:50:56,470 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-07-18 00:50:56,481 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:50:56,490 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:50:56,505 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:50:56,530 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:50:56,530 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:50:56,530 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:50:56,530 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:50:56,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:50:56,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:50:56,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:50:56,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:50:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states. [2020-07-18 00:50:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-18 00:50:56,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:50:56,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:50:56,598 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:50:56,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:50:56,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1849744024, now seen corresponding path program 1 times [2020-07-18 00:50:56,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:50:56,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912214446] [2020-07-18 00:50:56,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:50:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {356#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,155 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} ~slow_clk_edge~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,155 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} ~q_buf_0~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,155 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} ~q_free~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,156 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} ~q_read_ev~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,156 INFO L280 TraceCheckUtils]: 5: Hoare triple {267#true} ~q_write_ev~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,156 INFO L280 TraceCheckUtils]: 6: Hoare triple {267#true} ~q_req_up~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,157 INFO L280 TraceCheckUtils]: 7: Hoare triple {267#true} ~q_ev~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,157 INFO L280 TraceCheckUtils]: 8: Hoare triple {267#true} ~p_num_write~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,157 INFO L280 TraceCheckUtils]: 9: Hoare triple {267#true} ~p_last_write~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,158 INFO L280 TraceCheckUtils]: 10: Hoare triple {267#true} ~p_dw_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,158 INFO L280 TraceCheckUtils]: 11: Hoare triple {267#true} ~p_dw_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,159 INFO L280 TraceCheckUtils]: 12: Hoare triple {267#true} ~p_dw_i~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,159 INFO L280 TraceCheckUtils]: 13: Hoare triple {267#true} ~c_num_read~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,159 INFO L280 TraceCheckUtils]: 14: Hoare triple {267#true} ~c_last_read~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,160 INFO L280 TraceCheckUtils]: 15: Hoare triple {267#true} ~c_dr_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,160 INFO L280 TraceCheckUtils]: 16: Hoare triple {267#true} ~c_dr_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,161 INFO L280 TraceCheckUtils]: 17: Hoare triple {267#true} ~c_dr_i~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,161 INFO L280 TraceCheckUtils]: 18: Hoare triple {267#true} ~a_t~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,161 INFO L280 TraceCheckUtils]: 19: Hoare triple {267#true} ~t~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,162 INFO L280 TraceCheckUtils]: 20: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,162 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {267#true} {267#true} #558#return; {267#true} is VALID [2020-07-18 00:50:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,237 INFO L280 TraceCheckUtils]: 0: Hoare triple {357#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2; {267#true} is VALID [2020-07-18 00:50:57,238 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} ~slow_clk_edge~0 := 2; {267#true} is VALID [2020-07-18 00:50:57,238 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} ~q_free~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,238 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} ~q_write_ev~0 := 2; {267#true} is VALID [2020-07-18 00:50:57,239 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} ~q_read_ev~0 := ~q_write_ev~0; {267#true} is VALID [2020-07-18 00:50:57,239 INFO L280 TraceCheckUtils]: 5: Hoare triple {267#true} ~p_num_write~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,239 INFO L280 TraceCheckUtils]: 6: Hoare triple {267#true} ~p_dw_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,240 INFO L280 TraceCheckUtils]: 7: Hoare triple {267#true} ~p_dw_i~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,240 INFO L280 TraceCheckUtils]: 8: Hoare triple {267#true} ~c_num_read~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,240 INFO L280 TraceCheckUtils]: 9: Hoare triple {267#true} ~c_dr_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,240 INFO L280 TraceCheckUtils]: 10: Hoare triple {267#true} ~c_dr_i~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,241 INFO L280 TraceCheckUtils]: 11: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,241 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {267#true} {267#true} #510#return; {267#true} is VALID [2020-07-18 00:50:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,271 INFO L280 TraceCheckUtils]: 0: Hoare triple {358#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {267#true} is VALID [2020-07-18 00:50:57,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,272 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {267#true} {267#true} #528#return; {267#true} is VALID [2020-07-18 00:50:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,294 INFO L280 TraceCheckUtils]: 0: Hoare triple {359#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0; {267#true} is VALID [2020-07-18 00:50:57,295 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} ~p_dw_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,295 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} assume 1 == ~c_dr_i~0; {267#true} is VALID [2020-07-18 00:50:57,296 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} ~c_dr_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,296 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,296 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {267#true} {267#true} #530#return; {267#true} is VALID [2020-07-18 00:50:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {360#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {267#true} is VALID [2020-07-18 00:50:57,324 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} assume !(0 == ~q_write_ev~0); {267#true} is VALID [2020-07-18 00:50:57,324 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,325 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {267#true} {267#true} #532#return; {267#true} is VALID [2020-07-18 00:50:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,340 INFO L280 TraceCheckUtils]: 0: Hoare triple {267#true} havoc ~__retres1~0; {267#true} is VALID [2020-07-18 00:50:57,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} assume !(1 == ~p_dw_pc~0); {267#true} is VALID [2020-07-18 00:50:57,341 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} assume !(2 == ~p_dw_pc~0); {267#true} is VALID [2020-07-18 00:50:57,342 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} ~__retres1~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} #res := ~__retres1~0; {267#true} is VALID [2020-07-18 00:50:57,343 INFO L280 TraceCheckUtils]: 5: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,343 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {267#true} {267#true} #506#return; {267#true} is VALID [2020-07-18 00:50:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,348 INFO L280 TraceCheckUtils]: 0: Hoare triple {267#true} havoc ~__retres1~1; {267#true} is VALID [2020-07-18 00:50:57,349 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} assume !(1 == ~c_dr_pc~0); {267#true} is VALID [2020-07-18 00:50:57,349 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} assume !(2 == ~c_dr_pc~0); {267#true} is VALID [2020-07-18 00:50:57,350 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} ~__retres1~1 := 0; {267#true} is VALID [2020-07-18 00:50:57,350 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} #res := ~__retres1~1; {267#true} is VALID [2020-07-18 00:50:57,350 INFO L280 TraceCheckUtils]: 5: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,351 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {267#true} {267#true} #508#return; {267#true} is VALID [2020-07-18 00:50:57,351 INFO L280 TraceCheckUtils]: 0: Hoare triple {359#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1; {267#true} is VALID [2020-07-18 00:50:57,352 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} havoc ~tmp___0~1; {267#true} is VALID [2020-07-18 00:50:57,352 INFO L263 TraceCheckUtils]: 2: Hoare triple {267#true} call #t~ret3 := is_do_write_p_triggered(); {267#true} is VALID [2020-07-18 00:50:57,353 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} havoc ~__retres1~0; {267#true} is VALID [2020-07-18 00:50:57,353 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} assume !(1 == ~p_dw_pc~0); {267#true} is VALID [2020-07-18 00:50:57,353 INFO L280 TraceCheckUtils]: 5: Hoare triple {267#true} assume !(2 == ~p_dw_pc~0); {267#true} is VALID [2020-07-18 00:50:57,354 INFO L280 TraceCheckUtils]: 6: Hoare triple {267#true} ~__retres1~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,354 INFO L280 TraceCheckUtils]: 7: Hoare triple {267#true} #res := ~__retres1~0; {267#true} is VALID [2020-07-18 00:50:57,354 INFO L280 TraceCheckUtils]: 8: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,355 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {267#true} {267#true} #506#return; {267#true} is VALID [2020-07-18 00:50:57,355 INFO L280 TraceCheckUtils]: 10: Hoare triple {267#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {267#true} is VALID [2020-07-18 00:50:57,355 INFO L280 TraceCheckUtils]: 11: Hoare triple {267#true} ~tmp~1 := #t~ret3; {267#true} is VALID [2020-07-18 00:50:57,356 INFO L280 TraceCheckUtils]: 12: Hoare triple {267#true} havoc #t~ret3; {267#true} is VALID [2020-07-18 00:50:57,356 INFO L280 TraceCheckUtils]: 13: Hoare triple {267#true} assume !(0 != ~tmp~1); {267#true} is VALID [2020-07-18 00:50:57,356 INFO L263 TraceCheckUtils]: 14: Hoare triple {267#true} call #t~ret4 := is_do_read_c_triggered(); {267#true} is VALID [2020-07-18 00:50:57,357 INFO L280 TraceCheckUtils]: 15: Hoare triple {267#true} havoc ~__retres1~1; {267#true} is VALID [2020-07-18 00:50:57,357 INFO L280 TraceCheckUtils]: 16: Hoare triple {267#true} assume !(1 == ~c_dr_pc~0); {267#true} is VALID [2020-07-18 00:50:57,357 INFO L280 TraceCheckUtils]: 17: Hoare triple {267#true} assume !(2 == ~c_dr_pc~0); {267#true} is VALID [2020-07-18 00:50:57,358 INFO L280 TraceCheckUtils]: 18: Hoare triple {267#true} ~__retres1~1 := 0; {267#true} is VALID [2020-07-18 00:50:57,358 INFO L280 TraceCheckUtils]: 19: Hoare triple {267#true} #res := ~__retres1~1; {267#true} is VALID [2020-07-18 00:50:57,358 INFO L280 TraceCheckUtils]: 20: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,359 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {267#true} {267#true} #508#return; {267#true} is VALID [2020-07-18 00:50:57,359 INFO L280 TraceCheckUtils]: 22: Hoare triple {267#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {267#true} is VALID [2020-07-18 00:50:57,359 INFO L280 TraceCheckUtils]: 23: Hoare triple {267#true} ~tmp___0~1 := #t~ret4; {267#true} is VALID [2020-07-18 00:50:57,360 INFO L280 TraceCheckUtils]: 24: Hoare triple {267#true} havoc #t~ret4; {267#true} is VALID [2020-07-18 00:50:57,360 INFO L280 TraceCheckUtils]: 25: Hoare triple {267#true} assume !(0 != ~tmp___0~1); {267#true} is VALID [2020-07-18 00:50:57,360 INFO L280 TraceCheckUtils]: 26: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,361 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {267#true} {267#true} #534#return; {267#true} is VALID [2020-07-18 00:50:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,368 INFO L280 TraceCheckUtils]: 0: Hoare triple {360#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {267#true} is VALID [2020-07-18 00:50:57,368 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} assume !(1 == ~q_write_ev~0); {267#true} is VALID [2020-07-18 00:50:57,369 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,369 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {267#true} {267#true} #536#return; {267#true} is VALID [2020-07-18 00:50:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:50:57,379 INFO L280 TraceCheckUtils]: 0: Hoare triple {267#true} havoc ~__retres1~2; {267#true} is VALID [2020-07-18 00:50:57,381 INFO L280 TraceCheckUtils]: 1: Hoare triple {267#true} assume 0 == ~p_dw_st~0; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,382 INFO L280 TraceCheckUtils]: 2: Hoare triple {355#(= 0 ~p_dw_st~0)} ~__retres1~2 := 1; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,383 INFO L280 TraceCheckUtils]: 3: Hoare triple {355#(= 0 ~p_dw_st~0)} #res := ~__retres1~2; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,383 INFO L280 TraceCheckUtils]: 4: Hoare triple {355#(= 0 ~p_dw_st~0)} assume true; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,385 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {355#(= 0 ~p_dw_st~0)} {267#true} #518#return; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,388 INFO L263 TraceCheckUtils]: 0: Hoare triple {267#true} call ULTIMATE.init(); {356#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:50:57,389 INFO L280 TraceCheckUtils]: 1: Hoare triple {356#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,389 INFO L280 TraceCheckUtils]: 2: Hoare triple {267#true} ~slow_clk_edge~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {267#true} ~q_buf_0~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,390 INFO L280 TraceCheckUtils]: 4: Hoare triple {267#true} ~q_free~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,390 INFO L280 TraceCheckUtils]: 5: Hoare triple {267#true} ~q_read_ev~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,390 INFO L280 TraceCheckUtils]: 6: Hoare triple {267#true} ~q_write_ev~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,391 INFO L280 TraceCheckUtils]: 7: Hoare triple {267#true} ~q_req_up~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,391 INFO L280 TraceCheckUtils]: 8: Hoare triple {267#true} ~q_ev~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,391 INFO L280 TraceCheckUtils]: 9: Hoare triple {267#true} ~p_num_write~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,392 INFO L280 TraceCheckUtils]: 10: Hoare triple {267#true} ~p_last_write~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,392 INFO L280 TraceCheckUtils]: 11: Hoare triple {267#true} ~p_dw_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,392 INFO L280 TraceCheckUtils]: 12: Hoare triple {267#true} ~p_dw_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,393 INFO L280 TraceCheckUtils]: 13: Hoare triple {267#true} ~p_dw_i~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,393 INFO L280 TraceCheckUtils]: 14: Hoare triple {267#true} ~c_num_read~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,393 INFO L280 TraceCheckUtils]: 15: Hoare triple {267#true} ~c_last_read~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,394 INFO L280 TraceCheckUtils]: 16: Hoare triple {267#true} ~c_dr_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,394 INFO L280 TraceCheckUtils]: 17: Hoare triple {267#true} ~c_dr_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,394 INFO L280 TraceCheckUtils]: 18: Hoare triple {267#true} ~c_dr_i~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,395 INFO L280 TraceCheckUtils]: 19: Hoare triple {267#true} ~a_t~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,395 INFO L280 TraceCheckUtils]: 20: Hoare triple {267#true} ~t~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,395 INFO L280 TraceCheckUtils]: 21: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,395 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {267#true} {267#true} #558#return; {267#true} is VALID [2020-07-18 00:50:57,396 INFO L263 TraceCheckUtils]: 23: Hoare triple {267#true} call #t~ret11 := main(); {267#true} is VALID [2020-07-18 00:50:57,396 INFO L280 TraceCheckUtils]: 24: Hoare triple {267#true} havoc ~__retres1~3; {267#true} is VALID [2020-07-18 00:50:57,398 INFO L263 TraceCheckUtils]: 25: Hoare triple {267#true} call init_model(); {357#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:50:57,399 INFO L280 TraceCheckUtils]: 26: Hoare triple {357#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2; {267#true} is VALID [2020-07-18 00:50:57,399 INFO L280 TraceCheckUtils]: 27: Hoare triple {267#true} ~slow_clk_edge~0 := 2; {267#true} is VALID [2020-07-18 00:50:57,399 INFO L280 TraceCheckUtils]: 28: Hoare triple {267#true} ~q_free~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,399 INFO L280 TraceCheckUtils]: 29: Hoare triple {267#true} ~q_write_ev~0 := 2; {267#true} is VALID [2020-07-18 00:50:57,400 INFO L280 TraceCheckUtils]: 30: Hoare triple {267#true} ~q_read_ev~0 := ~q_write_ev~0; {267#true} is VALID [2020-07-18 00:50:57,400 INFO L280 TraceCheckUtils]: 31: Hoare triple {267#true} ~p_num_write~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,400 INFO L280 TraceCheckUtils]: 32: Hoare triple {267#true} ~p_dw_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,401 INFO L280 TraceCheckUtils]: 33: Hoare triple {267#true} ~p_dw_i~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,401 INFO L280 TraceCheckUtils]: 34: Hoare triple {267#true} ~c_num_read~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,401 INFO L280 TraceCheckUtils]: 35: Hoare triple {267#true} ~c_dr_pc~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,402 INFO L280 TraceCheckUtils]: 36: Hoare triple {267#true} ~c_dr_i~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,402 INFO L280 TraceCheckUtils]: 37: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,402 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {267#true} {267#true} #510#return; {267#true} is VALID [2020-07-18 00:50:57,402 INFO L263 TraceCheckUtils]: 39: Hoare triple {267#true} call start_simulation(); {267#true} is VALID [2020-07-18 00:50:57,403 INFO L280 TraceCheckUtils]: 40: Hoare triple {267#true} havoc ~kernel_st~0; {267#true} is VALID [2020-07-18 00:50:57,403 INFO L280 TraceCheckUtils]: 41: Hoare triple {267#true} havoc ~tmp~4; {267#true} is VALID [2020-07-18 00:50:57,403 INFO L280 TraceCheckUtils]: 42: Hoare triple {267#true} havoc ~tmp___0~3; {267#true} is VALID [2020-07-18 00:50:57,404 INFO L280 TraceCheckUtils]: 43: Hoare triple {267#true} ~kernel_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,405 INFO L263 TraceCheckUtils]: 44: Hoare triple {267#true} call update_channels(); {358#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-18 00:50:57,405 INFO L280 TraceCheckUtils]: 45: Hoare triple {358#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {267#true} is VALID [2020-07-18 00:50:57,406 INFO L280 TraceCheckUtils]: 46: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,406 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {267#true} {267#true} #528#return; {267#true} is VALID [2020-07-18 00:50:57,407 INFO L263 TraceCheckUtils]: 48: Hoare triple {267#true} call init_threads(); {359#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-18 00:50:57,408 INFO L280 TraceCheckUtils]: 49: Hoare triple {359#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume 1 == ~p_dw_i~0; {267#true} is VALID [2020-07-18 00:50:57,408 INFO L280 TraceCheckUtils]: 50: Hoare triple {267#true} ~p_dw_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,408 INFO L280 TraceCheckUtils]: 51: Hoare triple {267#true} assume 1 == ~c_dr_i~0; {267#true} is VALID [2020-07-18 00:50:57,409 INFO L280 TraceCheckUtils]: 52: Hoare triple {267#true} ~c_dr_st~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,409 INFO L280 TraceCheckUtils]: 53: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,409 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {267#true} {267#true} #530#return; {267#true} is VALID [2020-07-18 00:50:57,410 INFO L263 TraceCheckUtils]: 55: Hoare triple {267#true} call fire_delta_events(); {360#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:50:57,411 INFO L280 TraceCheckUtils]: 56: Hoare triple {360#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {267#true} is VALID [2020-07-18 00:50:57,411 INFO L280 TraceCheckUtils]: 57: Hoare triple {267#true} assume !(0 == ~q_write_ev~0); {267#true} is VALID [2020-07-18 00:50:57,411 INFO L280 TraceCheckUtils]: 58: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,412 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {267#true} {267#true} #532#return; {267#true} is VALID [2020-07-18 00:50:57,413 INFO L263 TraceCheckUtils]: 60: Hoare triple {267#true} call activate_threads(); {359#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-18 00:50:57,414 INFO L280 TraceCheckUtils]: 61: Hoare triple {359#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1; {267#true} is VALID [2020-07-18 00:50:57,414 INFO L280 TraceCheckUtils]: 62: Hoare triple {267#true} havoc ~tmp___0~1; {267#true} is VALID [2020-07-18 00:50:57,414 INFO L263 TraceCheckUtils]: 63: Hoare triple {267#true} call #t~ret3 := is_do_write_p_triggered(); {267#true} is VALID [2020-07-18 00:50:57,414 INFO L280 TraceCheckUtils]: 64: Hoare triple {267#true} havoc ~__retres1~0; {267#true} is VALID [2020-07-18 00:50:57,415 INFO L280 TraceCheckUtils]: 65: Hoare triple {267#true} assume !(1 == ~p_dw_pc~0); {267#true} is VALID [2020-07-18 00:50:57,415 INFO L280 TraceCheckUtils]: 66: Hoare triple {267#true} assume !(2 == ~p_dw_pc~0); {267#true} is VALID [2020-07-18 00:50:57,415 INFO L280 TraceCheckUtils]: 67: Hoare triple {267#true} ~__retres1~0 := 0; {267#true} is VALID [2020-07-18 00:50:57,416 INFO L280 TraceCheckUtils]: 68: Hoare triple {267#true} #res := ~__retres1~0; {267#true} is VALID [2020-07-18 00:50:57,416 INFO L280 TraceCheckUtils]: 69: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,416 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {267#true} {267#true} #506#return; {267#true} is VALID [2020-07-18 00:50:57,417 INFO L280 TraceCheckUtils]: 71: Hoare triple {267#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {267#true} is VALID [2020-07-18 00:50:57,417 INFO L280 TraceCheckUtils]: 72: Hoare triple {267#true} ~tmp~1 := #t~ret3; {267#true} is VALID [2020-07-18 00:50:57,417 INFO L280 TraceCheckUtils]: 73: Hoare triple {267#true} havoc #t~ret3; {267#true} is VALID [2020-07-18 00:50:57,418 INFO L280 TraceCheckUtils]: 74: Hoare triple {267#true} assume !(0 != ~tmp~1); {267#true} is VALID [2020-07-18 00:50:57,418 INFO L263 TraceCheckUtils]: 75: Hoare triple {267#true} call #t~ret4 := is_do_read_c_triggered(); {267#true} is VALID [2020-07-18 00:50:57,418 INFO L280 TraceCheckUtils]: 76: Hoare triple {267#true} havoc ~__retres1~1; {267#true} is VALID [2020-07-18 00:50:57,419 INFO L280 TraceCheckUtils]: 77: Hoare triple {267#true} assume !(1 == ~c_dr_pc~0); {267#true} is VALID [2020-07-18 00:50:57,419 INFO L280 TraceCheckUtils]: 78: Hoare triple {267#true} assume !(2 == ~c_dr_pc~0); {267#true} is VALID [2020-07-18 00:50:57,419 INFO L280 TraceCheckUtils]: 79: Hoare triple {267#true} ~__retres1~1 := 0; {267#true} is VALID [2020-07-18 00:50:57,419 INFO L280 TraceCheckUtils]: 80: Hoare triple {267#true} #res := ~__retres1~1; {267#true} is VALID [2020-07-18 00:50:57,420 INFO L280 TraceCheckUtils]: 81: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,420 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {267#true} {267#true} #508#return; {267#true} is VALID [2020-07-18 00:50:57,420 INFO L280 TraceCheckUtils]: 83: Hoare triple {267#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {267#true} is VALID [2020-07-18 00:50:57,421 INFO L280 TraceCheckUtils]: 84: Hoare triple {267#true} ~tmp___0~1 := #t~ret4; {267#true} is VALID [2020-07-18 00:50:57,421 INFO L280 TraceCheckUtils]: 85: Hoare triple {267#true} havoc #t~ret4; {267#true} is VALID [2020-07-18 00:50:57,421 INFO L280 TraceCheckUtils]: 86: Hoare triple {267#true} assume !(0 != ~tmp___0~1); {267#true} is VALID [2020-07-18 00:50:57,422 INFO L280 TraceCheckUtils]: 87: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,422 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {267#true} {267#true} #534#return; {267#true} is VALID [2020-07-18 00:50:57,423 INFO L263 TraceCheckUtils]: 89: Hoare triple {267#true} call reset_delta_events(); {360#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:50:57,423 INFO L280 TraceCheckUtils]: 90: Hoare triple {360#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {267#true} is VALID [2020-07-18 00:50:57,424 INFO L280 TraceCheckUtils]: 91: Hoare triple {267#true} assume !(1 == ~q_write_ev~0); {267#true} is VALID [2020-07-18 00:50:57,424 INFO L280 TraceCheckUtils]: 92: Hoare triple {267#true} assume true; {267#true} is VALID [2020-07-18 00:50:57,424 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {267#true} {267#true} #536#return; {267#true} is VALID [2020-07-18 00:50:57,425 INFO L280 TraceCheckUtils]: 94: Hoare triple {267#true} assume !false; {267#true} is VALID [2020-07-18 00:50:57,425 INFO L280 TraceCheckUtils]: 95: Hoare triple {267#true} ~kernel_st~0 := 1; {267#true} is VALID [2020-07-18 00:50:57,425 INFO L263 TraceCheckUtils]: 96: Hoare triple {267#true} call eval(); {267#true} is VALID [2020-07-18 00:50:57,426 INFO L280 TraceCheckUtils]: 97: Hoare triple {267#true} havoc ~tmp~2; {267#true} is VALID [2020-07-18 00:50:57,426 INFO L280 TraceCheckUtils]: 98: Hoare triple {267#true} havoc ~tmp___0~2; {267#true} is VALID [2020-07-18 00:50:57,426 INFO L280 TraceCheckUtils]: 99: Hoare triple {267#true} havoc ~tmp___1~0; {267#true} is VALID [2020-07-18 00:50:57,427 INFO L280 TraceCheckUtils]: 100: Hoare triple {267#true} assume !false; {267#true} is VALID [2020-07-18 00:50:57,427 INFO L263 TraceCheckUtils]: 101: Hoare triple {267#true} call #t~ret5 := exists_runnable_thread(); {267#true} is VALID [2020-07-18 00:50:57,427 INFO L280 TraceCheckUtils]: 102: Hoare triple {267#true} havoc ~__retres1~2; {267#true} is VALID [2020-07-18 00:50:57,428 INFO L280 TraceCheckUtils]: 103: Hoare triple {267#true} assume 0 == ~p_dw_st~0; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,429 INFO L280 TraceCheckUtils]: 104: Hoare triple {355#(= 0 ~p_dw_st~0)} ~__retres1~2 := 1; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,430 INFO L280 TraceCheckUtils]: 105: Hoare triple {355#(= 0 ~p_dw_st~0)} #res := ~__retres1~2; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,431 INFO L280 TraceCheckUtils]: 106: Hoare triple {355#(= 0 ~p_dw_st~0)} assume true; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,432 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {355#(= 0 ~p_dw_st~0)} {267#true} #518#return; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,433 INFO L280 TraceCheckUtils]: 108: Hoare triple {355#(= 0 ~p_dw_st~0)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,433 INFO L280 TraceCheckUtils]: 109: Hoare triple {355#(= 0 ~p_dw_st~0)} ~tmp___1~0 := #t~ret5; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,434 INFO L280 TraceCheckUtils]: 110: Hoare triple {355#(= 0 ~p_dw_st~0)} havoc #t~ret5; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,435 INFO L280 TraceCheckUtils]: 111: Hoare triple {355#(= 0 ~p_dw_st~0)} assume 0 != ~tmp___1~0; {355#(= 0 ~p_dw_st~0)} is VALID [2020-07-18 00:50:57,436 INFO L280 TraceCheckUtils]: 112: Hoare triple {355#(= 0 ~p_dw_st~0)} assume !(0 == ~p_dw_st~0); {268#false} is VALID [2020-07-18 00:50:57,436 INFO L280 TraceCheckUtils]: 113: Hoare triple {268#false} assume 0 == ~c_dr_st~0; {268#false} is VALID [2020-07-18 00:50:57,436 INFO L280 TraceCheckUtils]: 114: Hoare triple {268#false} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {268#false} is VALID [2020-07-18 00:50:57,437 INFO L280 TraceCheckUtils]: 115: Hoare triple {268#false} ~tmp___0~2 := #t~nondet7; {268#false} is VALID [2020-07-18 00:50:57,437 INFO L280 TraceCheckUtils]: 116: Hoare triple {268#false} havoc #t~nondet7; {268#false} is VALID [2020-07-18 00:50:57,437 INFO L280 TraceCheckUtils]: 117: Hoare triple {268#false} assume 0 != ~tmp___0~2; {268#false} is VALID [2020-07-18 00:50:57,437 INFO L280 TraceCheckUtils]: 118: Hoare triple {268#false} ~c_dr_st~0 := 1; {268#false} is VALID [2020-07-18 00:50:57,438 INFO L263 TraceCheckUtils]: 119: Hoare triple {268#false} call do_read_c(); {268#false} is VALID [2020-07-18 00:50:57,438 INFO L280 TraceCheckUtils]: 120: Hoare triple {268#false} havoc ~a~0; {268#false} is VALID [2020-07-18 00:50:57,438 INFO L280 TraceCheckUtils]: 121: Hoare triple {268#false} assume !(0 == ~c_dr_pc~0); {268#false} is VALID [2020-07-18 00:50:57,439 INFO L280 TraceCheckUtils]: 122: Hoare triple {268#false} assume 2 == ~c_dr_pc~0; {268#false} is VALID [2020-07-18 00:50:57,439 INFO L280 TraceCheckUtils]: 123: Hoare triple {268#false} ~a~0 := ~a_t~0; {268#false} is VALID [2020-07-18 00:50:57,439 INFO L280 TraceCheckUtils]: 124: Hoare triple {268#false} ~a~0 := ~q_buf_0~0; {268#false} is VALID [2020-07-18 00:50:57,440 INFO L280 TraceCheckUtils]: 125: Hoare triple {268#false} ~c_last_read~0 := ~a~0; {268#false} is VALID [2020-07-18 00:50:57,440 INFO L280 TraceCheckUtils]: 126: Hoare triple {268#false} ~c_num_read~0 := 1 + ~c_num_read~0; {268#false} is VALID [2020-07-18 00:50:57,440 INFO L280 TraceCheckUtils]: 127: Hoare triple {268#false} ~q_free~0 := 1; {268#false} is VALID [2020-07-18 00:50:57,440 INFO L280 TraceCheckUtils]: 128: Hoare triple {268#false} ~q_req_up~0 := 1; {268#false} is VALID [2020-07-18 00:50:57,441 INFO L280 TraceCheckUtils]: 129: Hoare triple {268#false} assume !(~p_last_write~0 == ~c_last_read~0); {268#false} is VALID [2020-07-18 00:50:57,441 INFO L263 TraceCheckUtils]: 130: Hoare triple {268#false} call error(); {268#false} is VALID [2020-07-18 00:50:57,441 INFO L280 TraceCheckUtils]: 131: Hoare triple {268#false} assume !false; {268#false} is VALID [2020-07-18 00:50:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:50:57,480 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:50:57,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912214446] [2020-07-18 00:50:57,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:50:57,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:50:57,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160651618] [2020-07-18 00:50:57,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-07-18 00:50:57,499 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:50:57,504 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 00:50:57,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:50:57,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 00:50:57,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:50:57,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 00:50:57,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-18 00:50:57,712 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 8 states. [2020-07-18 00:51:13,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:51:13,935 INFO L93 Difference]: Finished difference Result 968 states and 1466 transitions. [2020-07-18 00:51:13,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-18 00:51:13,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-07-18 00:51:13,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:51:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:51:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1466 transitions. [2020-07-18 00:51:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:51:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1466 transitions. [2020-07-18 00:51:14,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 1466 transitions. [2020-07-18 00:51:16,619 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1466 edges. 1466 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:51:16,762 INFO L225 Difference]: With dead ends: 968 [2020-07-18 00:51:16,762 INFO L226 Difference]: Without dead ends: 742 [2020-07-18 00:51:16,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-07-18 00:51:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-07-18 00:51:19,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 422. [2020-07-18 00:51:19,886 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:51:19,886 INFO L82 GeneralOperation]: Start isEquivalent. First operand 742 states. Second operand 422 states. [2020-07-18 00:51:19,887 INFO L74 IsIncluded]: Start isIncluded. First operand 742 states. Second operand 422 states. [2020-07-18 00:51:19,887 INFO L87 Difference]: Start difference. First operand 742 states. Second operand 422 states. [2020-07-18 00:51:19,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:51:19,981 INFO L93 Difference]: Finished difference Result 742 states and 1096 transitions. [2020-07-18 00:51:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1096 transitions. [2020-07-18 00:51:19,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:51:19,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:51:19,993 INFO L74 IsIncluded]: Start isIncluded. First operand 422 states. Second operand 742 states. [2020-07-18 00:51:19,994 INFO L87 Difference]: Start difference. First operand 422 states. Second operand 742 states. [2020-07-18 00:51:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:51:20,060 INFO L93 Difference]: Finished difference Result 742 states and 1096 transitions. [2020-07-18 00:51:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1096 transitions. [2020-07-18 00:51:20,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:51:20,067 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:51:20,067 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:51:20,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:51:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-07-18 00:51:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 522 transitions. [2020-07-18 00:51:20,091 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 522 transitions. Word has length 132 [2020-07-18 00:51:20,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:51:20,092 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 522 transitions. [2020-07-18 00:51:20,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 00:51:20,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 422 states and 522 transitions. [2020-07-18 00:51:21,150 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 522 edges. 522 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:51:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 522 transitions. [2020-07-18 00:51:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-18 00:51:21,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:51:21,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:51:21,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:51:21,155 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:51:21,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:51:21,156 INFO L82 PathProgramCache]: Analyzing trace with hash 719867291, now seen corresponding path program 1 times [2020-07-18 00:51:21,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:51:21,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130904216] [2020-07-18 00:51:21,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:51:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,317 INFO L280 TraceCheckUtils]: 0: Hoare triple {4772#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,318 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} ~slow_clk_edge~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,318 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} ~q_buf_0~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,318 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} ~q_free~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,319 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} ~q_read_ev~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,319 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} ~q_write_ev~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,319 INFO L280 TraceCheckUtils]: 6: Hoare triple {4682#true} ~q_req_up~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,320 INFO L280 TraceCheckUtils]: 7: Hoare triple {4682#true} ~q_ev~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,320 INFO L280 TraceCheckUtils]: 8: Hoare triple {4682#true} ~p_num_write~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,320 INFO L280 TraceCheckUtils]: 9: Hoare triple {4682#true} ~p_last_write~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,320 INFO L280 TraceCheckUtils]: 10: Hoare triple {4682#true} ~p_dw_st~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,321 INFO L280 TraceCheckUtils]: 11: Hoare triple {4682#true} ~p_dw_pc~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,321 INFO L280 TraceCheckUtils]: 12: Hoare triple {4682#true} ~p_dw_i~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,321 INFO L280 TraceCheckUtils]: 13: Hoare triple {4682#true} ~c_num_read~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,322 INFO L280 TraceCheckUtils]: 14: Hoare triple {4682#true} ~c_last_read~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,322 INFO L280 TraceCheckUtils]: 15: Hoare triple {4682#true} ~c_dr_st~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,322 INFO L280 TraceCheckUtils]: 16: Hoare triple {4682#true} ~c_dr_pc~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,322 INFO L280 TraceCheckUtils]: 17: Hoare triple {4682#true} ~c_dr_i~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,323 INFO L280 TraceCheckUtils]: 18: Hoare triple {4682#true} ~a_t~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,323 INFO L280 TraceCheckUtils]: 19: Hoare triple {4682#true} ~t~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,323 INFO L280 TraceCheckUtils]: 20: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,323 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4682#true} {4682#true} #558#return; {4682#true} is VALID [2020-07-18 00:51:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,369 INFO L280 TraceCheckUtils]: 0: Hoare triple {4773#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2; {4682#true} is VALID [2020-07-18 00:51:21,369 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} ~slow_clk_edge~0 := 2; {4682#true} is VALID [2020-07-18 00:51:21,369 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} ~q_free~0 := 1; {4682#true} is VALID [2020-07-18 00:51:21,370 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} ~q_write_ev~0 := 2; {4682#true} is VALID [2020-07-18 00:51:21,370 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} ~q_read_ev~0 := ~q_write_ev~0; {4682#true} is VALID [2020-07-18 00:51:21,370 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} ~p_num_write~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,370 INFO L280 TraceCheckUtils]: 6: Hoare triple {4682#true} ~p_dw_pc~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,372 INFO L280 TraceCheckUtils]: 7: Hoare triple {4682#true} ~p_dw_i~0 := 1; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,375 INFO L280 TraceCheckUtils]: 8: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~c_num_read~0 := 0; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,375 INFO L280 TraceCheckUtils]: 9: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~c_dr_pc~0 := 0; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,376 INFO L280 TraceCheckUtils]: 10: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~c_dr_i~0 := 1; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {4719#(= 1 ~p_dw_i~0)} assume true; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,377 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4719#(= 1 ~p_dw_i~0)} {4682#true} #510#return; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {4774#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {4682#true} is VALID [2020-07-18 00:51:21,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,405 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4682#true} {4719#(= 1 ~p_dw_i~0)} #528#return; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {4775#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume !(1 == ~p_dw_i~0); {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,434 INFO L280 TraceCheckUtils]: 1: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} ~p_dw_st~0 := 2; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,434 INFO L280 TraceCheckUtils]: 2: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} assume 1 == ~c_dr_i~0; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,435 INFO L280 TraceCheckUtils]: 3: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} ~c_dr_st~0 := 0; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,435 INFO L280 TraceCheckUtils]: 4: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} assume true; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,436 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4776#(not (= 1 ~p_dw_i~0))} {4719#(= 1 ~p_dw_i~0)} #530#return; {4683#false} is VALID [2020-07-18 00:51:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {4777#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} assume !(0 == ~q_write_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,463 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,463 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4682#true} {4683#false} #532#return; {4683#false} is VALID [2020-07-18 00:51:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,494 INFO L280 TraceCheckUtils]: 0: Hoare triple {4682#true} havoc ~__retres1~0; {4682#true} is VALID [2020-07-18 00:51:21,495 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} assume !(1 == ~p_dw_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,495 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} assume !(2 == ~p_dw_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,496 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} ~__retres1~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,496 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} #res := ~__retres1~0; {4682#true} is VALID [2020-07-18 00:51:21,496 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,497 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {4682#true} {4682#true} #506#return; {4682#true} is VALID [2020-07-18 00:51:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,500 INFO L280 TraceCheckUtils]: 0: Hoare triple {4682#true} havoc ~__retres1~1; {4682#true} is VALID [2020-07-18 00:51:21,501 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} assume !(1 == ~c_dr_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,501 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} assume !(2 == ~c_dr_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,501 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} ~__retres1~1 := 0; {4682#true} is VALID [2020-07-18 00:51:21,501 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} #res := ~__retres1~1; {4682#true} is VALID [2020-07-18 00:51:21,502 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,502 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {4682#true} {4682#true} #508#return; {4682#true} is VALID [2020-07-18 00:51:21,502 INFO L280 TraceCheckUtils]: 0: Hoare triple {4775#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1; {4682#true} is VALID [2020-07-18 00:51:21,503 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} havoc ~tmp___0~1; {4682#true} is VALID [2020-07-18 00:51:21,503 INFO L263 TraceCheckUtils]: 2: Hoare triple {4682#true} call #t~ret3 := is_do_write_p_triggered(); {4682#true} is VALID [2020-07-18 00:51:21,503 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} havoc ~__retres1~0; {4682#true} is VALID [2020-07-18 00:51:21,504 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} assume !(1 == ~p_dw_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,504 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} assume !(2 == ~p_dw_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,504 INFO L280 TraceCheckUtils]: 6: Hoare triple {4682#true} ~__retres1~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,504 INFO L280 TraceCheckUtils]: 7: Hoare triple {4682#true} #res := ~__retres1~0; {4682#true} is VALID [2020-07-18 00:51:21,505 INFO L280 TraceCheckUtils]: 8: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,505 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {4682#true} {4682#true} #506#return; {4682#true} is VALID [2020-07-18 00:51:21,505 INFO L280 TraceCheckUtils]: 10: Hoare triple {4682#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4682#true} is VALID [2020-07-18 00:51:21,505 INFO L280 TraceCheckUtils]: 11: Hoare triple {4682#true} ~tmp~1 := #t~ret3; {4682#true} is VALID [2020-07-18 00:51:21,506 INFO L280 TraceCheckUtils]: 12: Hoare triple {4682#true} havoc #t~ret3; {4682#true} is VALID [2020-07-18 00:51:21,506 INFO L280 TraceCheckUtils]: 13: Hoare triple {4682#true} assume !(0 != ~tmp~1); {4682#true} is VALID [2020-07-18 00:51:21,508 INFO L263 TraceCheckUtils]: 14: Hoare triple {4682#true} call #t~ret4 := is_do_read_c_triggered(); {4682#true} is VALID [2020-07-18 00:51:21,508 INFO L280 TraceCheckUtils]: 15: Hoare triple {4682#true} havoc ~__retres1~1; {4682#true} is VALID [2020-07-18 00:51:21,509 INFO L280 TraceCheckUtils]: 16: Hoare triple {4682#true} assume !(1 == ~c_dr_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,509 INFO L280 TraceCheckUtils]: 17: Hoare triple {4682#true} assume !(2 == ~c_dr_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,509 INFO L280 TraceCheckUtils]: 18: Hoare triple {4682#true} ~__retres1~1 := 0; {4682#true} is VALID [2020-07-18 00:51:21,510 INFO L280 TraceCheckUtils]: 19: Hoare triple {4682#true} #res := ~__retres1~1; {4682#true} is VALID [2020-07-18 00:51:21,510 INFO L280 TraceCheckUtils]: 20: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,510 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4682#true} {4682#true} #508#return; {4682#true} is VALID [2020-07-18 00:51:21,510 INFO L280 TraceCheckUtils]: 22: Hoare triple {4682#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4682#true} is VALID [2020-07-18 00:51:21,511 INFO L280 TraceCheckUtils]: 23: Hoare triple {4682#true} ~tmp___0~1 := #t~ret4; {4682#true} is VALID [2020-07-18 00:51:21,511 INFO L280 TraceCheckUtils]: 24: Hoare triple {4682#true} havoc #t~ret4; {4682#true} is VALID [2020-07-18 00:51:21,511 INFO L280 TraceCheckUtils]: 25: Hoare triple {4682#true} assume !(0 != ~tmp___0~1); {4682#true} is VALID [2020-07-18 00:51:21,511 INFO L280 TraceCheckUtils]: 26: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,512 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {4682#true} {4683#false} #534#return; {4683#false} is VALID [2020-07-18 00:51:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,522 INFO L280 TraceCheckUtils]: 0: Hoare triple {4777#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,522 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} assume !(1 == ~q_write_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,523 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4682#true} {4683#false} #536#return; {4683#false} is VALID [2020-07-18 00:51:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:51:21,528 INFO L280 TraceCheckUtils]: 0: Hoare triple {4682#true} havoc ~__retres1~2; {4682#true} is VALID [2020-07-18 00:51:21,529 INFO L280 TraceCheckUtils]: 1: Hoare triple {4682#true} assume !(0 == ~p_dw_st~0); {4682#true} is VALID [2020-07-18 00:51:21,529 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} assume 0 == ~c_dr_st~0; {4682#true} is VALID [2020-07-18 00:51:21,529 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} ~__retres1~2 := 1; {4682#true} is VALID [2020-07-18 00:51:21,530 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} #res := ~__retres1~2; {4682#true} is VALID [2020-07-18 00:51:21,530 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,530 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {4682#true} {4683#false} #518#return; {4683#false} is VALID [2020-07-18 00:51:21,532 INFO L263 TraceCheckUtils]: 0: Hoare triple {4682#true} call ULTIMATE.init(); {4772#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:51:21,533 INFO L280 TraceCheckUtils]: 1: Hoare triple {4772#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~t~0 |old(~t~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,533 INFO L280 TraceCheckUtils]: 2: Hoare triple {4682#true} ~slow_clk_edge~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,533 INFO L280 TraceCheckUtils]: 3: Hoare triple {4682#true} ~q_buf_0~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,534 INFO L280 TraceCheckUtils]: 4: Hoare triple {4682#true} ~q_free~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,534 INFO L280 TraceCheckUtils]: 5: Hoare triple {4682#true} ~q_read_ev~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,534 INFO L280 TraceCheckUtils]: 6: Hoare triple {4682#true} ~q_write_ev~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,534 INFO L280 TraceCheckUtils]: 7: Hoare triple {4682#true} ~q_req_up~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,535 INFO L280 TraceCheckUtils]: 8: Hoare triple {4682#true} ~q_ev~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,535 INFO L280 TraceCheckUtils]: 9: Hoare triple {4682#true} ~p_num_write~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,540 INFO L280 TraceCheckUtils]: 10: Hoare triple {4682#true} ~p_last_write~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,541 INFO L280 TraceCheckUtils]: 11: Hoare triple {4682#true} ~p_dw_st~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,541 INFO L280 TraceCheckUtils]: 12: Hoare triple {4682#true} ~p_dw_pc~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,541 INFO L280 TraceCheckUtils]: 13: Hoare triple {4682#true} ~p_dw_i~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,541 INFO L280 TraceCheckUtils]: 14: Hoare triple {4682#true} ~c_num_read~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,542 INFO L280 TraceCheckUtils]: 15: Hoare triple {4682#true} ~c_last_read~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,542 INFO L280 TraceCheckUtils]: 16: Hoare triple {4682#true} ~c_dr_st~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,542 INFO L280 TraceCheckUtils]: 17: Hoare triple {4682#true} ~c_dr_pc~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,543 INFO L280 TraceCheckUtils]: 18: Hoare triple {4682#true} ~c_dr_i~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,543 INFO L280 TraceCheckUtils]: 19: Hoare triple {4682#true} ~a_t~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,543 INFO L280 TraceCheckUtils]: 20: Hoare triple {4682#true} ~t~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,543 INFO L280 TraceCheckUtils]: 21: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,544 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4682#true} {4682#true} #558#return; {4682#true} is VALID [2020-07-18 00:51:21,544 INFO L263 TraceCheckUtils]: 23: Hoare triple {4682#true} call #t~ret11 := main(); {4682#true} is VALID [2020-07-18 00:51:21,544 INFO L280 TraceCheckUtils]: 24: Hoare triple {4682#true} havoc ~__retres1~3; {4682#true} is VALID [2020-07-18 00:51:21,555 INFO L263 TraceCheckUtils]: 25: Hoare triple {4682#true} call init_model(); {4773#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:51:21,556 INFO L280 TraceCheckUtils]: 26: Hoare triple {4773#(and (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} ~fast_clk_edge~0 := 2; {4682#true} is VALID [2020-07-18 00:51:21,556 INFO L280 TraceCheckUtils]: 27: Hoare triple {4682#true} ~slow_clk_edge~0 := 2; {4682#true} is VALID [2020-07-18 00:51:21,557 INFO L280 TraceCheckUtils]: 28: Hoare triple {4682#true} ~q_free~0 := 1; {4682#true} is VALID [2020-07-18 00:51:21,557 INFO L280 TraceCheckUtils]: 29: Hoare triple {4682#true} ~q_write_ev~0 := 2; {4682#true} is VALID [2020-07-18 00:51:21,557 INFO L280 TraceCheckUtils]: 30: Hoare triple {4682#true} ~q_read_ev~0 := ~q_write_ev~0; {4682#true} is VALID [2020-07-18 00:51:21,557 INFO L280 TraceCheckUtils]: 31: Hoare triple {4682#true} ~p_num_write~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,558 INFO L280 TraceCheckUtils]: 32: Hoare triple {4682#true} ~p_dw_pc~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,563 INFO L280 TraceCheckUtils]: 33: Hoare triple {4682#true} ~p_dw_i~0 := 1; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,564 INFO L280 TraceCheckUtils]: 34: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~c_num_read~0 := 0; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,564 INFO L280 TraceCheckUtils]: 35: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~c_dr_pc~0 := 0; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,565 INFO L280 TraceCheckUtils]: 36: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~c_dr_i~0 := 1; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,565 INFO L280 TraceCheckUtils]: 37: Hoare triple {4719#(= 1 ~p_dw_i~0)} assume true; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,566 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4719#(= 1 ~p_dw_i~0)} {4682#true} #510#return; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,567 INFO L263 TraceCheckUtils]: 39: Hoare triple {4719#(= 1 ~p_dw_i~0)} call start_simulation(); {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,567 INFO L280 TraceCheckUtils]: 40: Hoare triple {4719#(= 1 ~p_dw_i~0)} havoc ~kernel_st~0; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,568 INFO L280 TraceCheckUtils]: 41: Hoare triple {4719#(= 1 ~p_dw_i~0)} havoc ~tmp~4; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,569 INFO L280 TraceCheckUtils]: 42: Hoare triple {4719#(= 1 ~p_dw_i~0)} havoc ~tmp___0~3; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,570 INFO L280 TraceCheckUtils]: 43: Hoare triple {4719#(= 1 ~p_dw_i~0)} ~kernel_st~0 := 0; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,571 INFO L263 TraceCheckUtils]: 44: Hoare triple {4719#(= 1 ~p_dw_i~0)} call update_channels(); {4774#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} is VALID [2020-07-18 00:51:21,571 INFO L280 TraceCheckUtils]: 45: Hoare triple {4774#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|))} assume !(1 == ~q_req_up~0); {4682#true} is VALID [2020-07-18 00:51:21,572 INFO L280 TraceCheckUtils]: 46: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,572 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {4682#true} {4719#(= 1 ~p_dw_i~0)} #528#return; {4719#(= 1 ~p_dw_i~0)} is VALID [2020-07-18 00:51:21,580 INFO L263 TraceCheckUtils]: 48: Hoare triple {4719#(= 1 ~p_dw_i~0)} call init_threads(); {4775#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-18 00:51:21,582 INFO L280 TraceCheckUtils]: 49: Hoare triple {4775#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} assume !(1 == ~p_dw_i~0); {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,584 INFO L280 TraceCheckUtils]: 50: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} ~p_dw_st~0 := 2; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,586 INFO L280 TraceCheckUtils]: 51: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} assume 1 == ~c_dr_i~0; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,587 INFO L280 TraceCheckUtils]: 52: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} ~c_dr_st~0 := 0; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,588 INFO L280 TraceCheckUtils]: 53: Hoare triple {4776#(not (= 1 ~p_dw_i~0))} assume true; {4776#(not (= 1 ~p_dw_i~0))} is VALID [2020-07-18 00:51:21,588 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {4776#(not (= 1 ~p_dw_i~0))} {4719#(= 1 ~p_dw_i~0)} #530#return; {4683#false} is VALID [2020-07-18 00:51:21,589 INFO L263 TraceCheckUtils]: 55: Hoare triple {4683#false} call fire_delta_events(); {4777#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:51:21,589 INFO L280 TraceCheckUtils]: 56: Hoare triple {4777#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(0 == ~q_read_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,589 INFO L280 TraceCheckUtils]: 57: Hoare triple {4682#true} assume !(0 == ~q_write_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,589 INFO L280 TraceCheckUtils]: 58: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,590 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4682#true} {4683#false} #532#return; {4683#false} is VALID [2020-07-18 00:51:21,590 INFO L263 TraceCheckUtils]: 60: Hoare triple {4683#false} call activate_threads(); {4775#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2020-07-18 00:51:21,590 INFO L280 TraceCheckUtils]: 61: Hoare triple {4775#(and (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~1; {4682#true} is VALID [2020-07-18 00:51:21,590 INFO L280 TraceCheckUtils]: 62: Hoare triple {4682#true} havoc ~tmp___0~1; {4682#true} is VALID [2020-07-18 00:51:21,590 INFO L263 TraceCheckUtils]: 63: Hoare triple {4682#true} call #t~ret3 := is_do_write_p_triggered(); {4682#true} is VALID [2020-07-18 00:51:21,591 INFO L280 TraceCheckUtils]: 64: Hoare triple {4682#true} havoc ~__retres1~0; {4682#true} is VALID [2020-07-18 00:51:21,591 INFO L280 TraceCheckUtils]: 65: Hoare triple {4682#true} assume !(1 == ~p_dw_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,596 INFO L280 TraceCheckUtils]: 66: Hoare triple {4682#true} assume !(2 == ~p_dw_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,597 INFO L280 TraceCheckUtils]: 67: Hoare triple {4682#true} ~__retres1~0 := 0; {4682#true} is VALID [2020-07-18 00:51:21,597 INFO L280 TraceCheckUtils]: 68: Hoare triple {4682#true} #res := ~__retres1~0; {4682#true} is VALID [2020-07-18 00:51:21,597 INFO L280 TraceCheckUtils]: 69: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,597 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4682#true} {4682#true} #506#return; {4682#true} is VALID [2020-07-18 00:51:21,598 INFO L280 TraceCheckUtils]: 71: Hoare triple {4682#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; {4682#true} is VALID [2020-07-18 00:51:21,598 INFO L280 TraceCheckUtils]: 72: Hoare triple {4682#true} ~tmp~1 := #t~ret3; {4682#true} is VALID [2020-07-18 00:51:21,598 INFO L280 TraceCheckUtils]: 73: Hoare triple {4682#true} havoc #t~ret3; {4682#true} is VALID [2020-07-18 00:51:21,598 INFO L280 TraceCheckUtils]: 74: Hoare triple {4682#true} assume !(0 != ~tmp~1); {4682#true} is VALID [2020-07-18 00:51:21,598 INFO L263 TraceCheckUtils]: 75: Hoare triple {4682#true} call #t~ret4 := is_do_read_c_triggered(); {4682#true} is VALID [2020-07-18 00:51:21,599 INFO L280 TraceCheckUtils]: 76: Hoare triple {4682#true} havoc ~__retres1~1; {4682#true} is VALID [2020-07-18 00:51:21,599 INFO L280 TraceCheckUtils]: 77: Hoare triple {4682#true} assume !(1 == ~c_dr_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,599 INFO L280 TraceCheckUtils]: 78: Hoare triple {4682#true} assume !(2 == ~c_dr_pc~0); {4682#true} is VALID [2020-07-18 00:51:21,600 INFO L280 TraceCheckUtils]: 79: Hoare triple {4682#true} ~__retres1~1 := 0; {4682#true} is VALID [2020-07-18 00:51:21,600 INFO L280 TraceCheckUtils]: 80: Hoare triple {4682#true} #res := ~__retres1~1; {4682#true} is VALID [2020-07-18 00:51:21,601 INFO L280 TraceCheckUtils]: 81: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,602 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4682#true} {4682#true} #508#return; {4682#true} is VALID [2020-07-18 00:51:21,602 INFO L280 TraceCheckUtils]: 83: Hoare triple {4682#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4682#true} is VALID [2020-07-18 00:51:21,602 INFO L280 TraceCheckUtils]: 84: Hoare triple {4682#true} ~tmp___0~1 := #t~ret4; {4682#true} is VALID [2020-07-18 00:51:21,603 INFO L280 TraceCheckUtils]: 85: Hoare triple {4682#true} havoc #t~ret4; {4682#true} is VALID [2020-07-18 00:51:21,603 INFO L280 TraceCheckUtils]: 86: Hoare triple {4682#true} assume !(0 != ~tmp___0~1); {4682#true} is VALID [2020-07-18 00:51:21,603 INFO L280 TraceCheckUtils]: 87: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,603 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {4682#true} {4683#false} #534#return; {4683#false} is VALID [2020-07-18 00:51:21,604 INFO L263 TraceCheckUtils]: 89: Hoare triple {4683#false} call reset_delta_events(); {4777#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} is VALID [2020-07-18 00:51:21,604 INFO L280 TraceCheckUtils]: 90: Hoare triple {4777#(and (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|))} assume !(1 == ~q_read_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,604 INFO L280 TraceCheckUtils]: 91: Hoare triple {4682#true} assume !(1 == ~q_write_ev~0); {4682#true} is VALID [2020-07-18 00:51:21,604 INFO L280 TraceCheckUtils]: 92: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,605 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {4682#true} {4683#false} #536#return; {4683#false} is VALID [2020-07-18 00:51:21,605 INFO L280 TraceCheckUtils]: 94: Hoare triple {4683#false} assume !false; {4683#false} is VALID [2020-07-18 00:51:21,605 INFO L280 TraceCheckUtils]: 95: Hoare triple {4683#false} ~kernel_st~0 := 1; {4683#false} is VALID [2020-07-18 00:51:21,605 INFO L263 TraceCheckUtils]: 96: Hoare triple {4683#false} call eval(); {4683#false} is VALID [2020-07-18 00:51:21,605 INFO L280 TraceCheckUtils]: 97: Hoare triple {4683#false} havoc ~tmp~2; {4683#false} is VALID [2020-07-18 00:51:21,606 INFO L280 TraceCheckUtils]: 98: Hoare triple {4683#false} havoc ~tmp___0~2; {4683#false} is VALID [2020-07-18 00:51:21,606 INFO L280 TraceCheckUtils]: 99: Hoare triple {4683#false} havoc ~tmp___1~0; {4683#false} is VALID [2020-07-18 00:51:21,606 INFO L280 TraceCheckUtils]: 100: Hoare triple {4683#false} assume !false; {4683#false} is VALID [2020-07-18 00:51:21,606 INFO L263 TraceCheckUtils]: 101: Hoare triple {4683#false} call #t~ret5 := exists_runnable_thread(); {4682#true} is VALID [2020-07-18 00:51:21,607 INFO L280 TraceCheckUtils]: 102: Hoare triple {4682#true} havoc ~__retres1~2; {4682#true} is VALID [2020-07-18 00:51:21,607 INFO L280 TraceCheckUtils]: 103: Hoare triple {4682#true} assume !(0 == ~p_dw_st~0); {4682#true} is VALID [2020-07-18 00:51:21,607 INFO L280 TraceCheckUtils]: 104: Hoare triple {4682#true} assume 0 == ~c_dr_st~0; {4682#true} is VALID [2020-07-18 00:51:21,607 INFO L280 TraceCheckUtils]: 105: Hoare triple {4682#true} ~__retres1~2 := 1; {4682#true} is VALID [2020-07-18 00:51:21,608 INFO L280 TraceCheckUtils]: 106: Hoare triple {4682#true} #res := ~__retres1~2; {4682#true} is VALID [2020-07-18 00:51:21,608 INFO L280 TraceCheckUtils]: 107: Hoare triple {4682#true} assume true; {4682#true} is VALID [2020-07-18 00:51:21,608 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {4682#true} {4683#false} #518#return; {4683#false} is VALID [2020-07-18 00:51:21,608 INFO L280 TraceCheckUtils]: 109: Hoare triple {4683#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {4683#false} is VALID [2020-07-18 00:51:21,608 INFO L280 TraceCheckUtils]: 110: Hoare triple {4683#false} ~tmp___1~0 := #t~ret5; {4683#false} is VALID [2020-07-18 00:51:21,609 INFO L280 TraceCheckUtils]: 111: Hoare triple {4683#false} havoc #t~ret5; {4683#false} is VALID [2020-07-18 00:51:21,609 INFO L280 TraceCheckUtils]: 112: Hoare triple {4683#false} assume 0 != ~tmp___1~0; {4683#false} is VALID [2020-07-18 00:51:21,609 INFO L280 TraceCheckUtils]: 113: Hoare triple {4683#false} assume !(0 == ~p_dw_st~0); {4683#false} is VALID [2020-07-18 00:51:21,609 INFO L280 TraceCheckUtils]: 114: Hoare triple {4683#false} assume 0 == ~c_dr_st~0; {4683#false} is VALID [2020-07-18 00:51:21,610 INFO L280 TraceCheckUtils]: 115: Hoare triple {4683#false} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {4683#false} is VALID [2020-07-18 00:51:21,610 INFO L280 TraceCheckUtils]: 116: Hoare triple {4683#false} ~tmp___0~2 := #t~nondet7; {4683#false} is VALID [2020-07-18 00:51:21,610 INFO L280 TraceCheckUtils]: 117: Hoare triple {4683#false} havoc #t~nondet7; {4683#false} is VALID [2020-07-18 00:51:21,610 INFO L280 TraceCheckUtils]: 118: Hoare triple {4683#false} assume 0 != ~tmp___0~2; {4683#false} is VALID [2020-07-18 00:51:21,610 INFO L280 TraceCheckUtils]: 119: Hoare triple {4683#false} ~c_dr_st~0 := 1; {4683#false} is VALID [2020-07-18 00:51:21,611 INFO L263 TraceCheckUtils]: 120: Hoare triple {4683#false} call do_read_c(); {4683#false} is VALID [2020-07-18 00:51:21,611 INFO L280 TraceCheckUtils]: 121: Hoare triple {4683#false} havoc ~a~0; {4683#false} is VALID [2020-07-18 00:51:21,611 INFO L280 TraceCheckUtils]: 122: Hoare triple {4683#false} assume !(0 == ~c_dr_pc~0); {4683#false} is VALID [2020-07-18 00:51:21,611 INFO L280 TraceCheckUtils]: 123: Hoare triple {4683#false} assume 2 == ~c_dr_pc~0; {4683#false} is VALID [2020-07-18 00:51:21,612 INFO L280 TraceCheckUtils]: 124: Hoare triple {4683#false} ~a~0 := ~a_t~0; {4683#false} is VALID [2020-07-18 00:51:21,612 INFO L280 TraceCheckUtils]: 125: Hoare triple {4683#false} ~a~0 := ~q_buf_0~0; {4683#false} is VALID [2020-07-18 00:51:21,612 INFO L280 TraceCheckUtils]: 126: Hoare triple {4683#false} ~c_last_read~0 := ~a~0; {4683#false} is VALID [2020-07-18 00:51:21,612 INFO L280 TraceCheckUtils]: 127: Hoare triple {4683#false} ~c_num_read~0 := 1 + ~c_num_read~0; {4683#false} is VALID [2020-07-18 00:51:21,613 INFO L280 TraceCheckUtils]: 128: Hoare triple {4683#false} ~q_free~0 := 1; {4683#false} is VALID [2020-07-18 00:51:21,613 INFO L280 TraceCheckUtils]: 129: Hoare triple {4683#false} ~q_req_up~0 := 1; {4683#false} is VALID [2020-07-18 00:51:21,613 INFO L280 TraceCheckUtils]: 130: Hoare triple {4683#false} assume !(~p_last_write~0 == ~c_last_read~0); {4683#false} is VALID [2020-07-18 00:51:21,614 INFO L263 TraceCheckUtils]: 131: Hoare triple {4683#false} call error(); {4683#false} is VALID [2020-07-18 00:51:21,614 INFO L280 TraceCheckUtils]: 132: Hoare triple {4683#false} assume !false; {4683#false} is VALID [2020-07-18 00:51:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:51:22,624 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:51:22,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130904216] [2020-07-18 00:51:22,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:51:22,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-07-18 00:51:22,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918793449] [2020-07-18 00:51:22,628 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 133 [2020-07-18 00:51:22,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:51:22,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2020-07-18 00:51:22,637 WARN L140 InductivityCheck]: Transition 4803#(and (not (= 0 eval_~tmp___1~0)) (not (= 0 ~p_dw_st~0)) (not (= 0 eval_~tmp___0~2)) (= ~c_dr_st~0 1) (<= 0 (+ eval_~tmp___1~0 2147483648)) (<= eval_~tmp___0~2 2147483647) (<= eval_~tmp___1~0 2147483647) (<= 0 (+ eval_~tmp___0~2 2147483648))) ( _ , call do_read_c(); , 4803#(and (not (= 0 eval_~tmp___1~0)) (not (= 0 ~p_dw_st~0)) (not (= 0 eval_~tmp___0~2)) (= ~c_dr_st~0 1) (<= 0 (+ eval_~tmp___1~0 2147483648)) (<= eval_~tmp___0~2 2147483647) (<= eval_~tmp___1~0 2147483647) (<= 0 (+ eval_~tmp___0~2 2147483648))) ) not inductive [2020-07-18 00:51:22,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:51:22,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:51:22,644 INFO L168 Benchmark]: Toolchain (without parser) took 27966.76 ms. Allocated memory was 145.2 MB in the beginning and 528.5 MB in the end (delta: 383.3 MB). Free memory was 103.7 MB in the beginning and 392.3 MB in the end (delta: -288.6 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:51:22,645 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:51:22,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.15 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 177.9 MB in the end (delta: -74.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:51:22,647 INFO L168 Benchmark]: Boogie Preprocessor took 112.20 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 175.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:51:22,648 INFO L168 Benchmark]: RCFGBuilder took 1026.06 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 96.1 MB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:51:22,648 INFO L168 Benchmark]: TraceAbstraction took 26178.64 ms. Allocated memory was 201.9 MB in the beginning and 528.5 MB in the end (delta: 326.6 MB). Free memory was 95.4 MB in the beginning and 392.3 MB in the end (delta: -296.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:51:22,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.15 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 177.9 MB in the end (delta: -74.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.20 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 175.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1026.06 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 96.1 MB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26178.64 ms. Allocated memory was 201.9 MB in the beginning and 528.5 MB in the end (delta: 326.6 MB). Free memory was 95.4 MB in the beginning and 392.3 MB in the end (delta: -296.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...