/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:43:07,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:43:07,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:43:07,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:43:07,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:43:07,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:43:07,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:43:07,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:43:07,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:43:07,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:43:07,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:43:07,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:43:07,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:43:07,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:43:07,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:43:07,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:43:07,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:43:07,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:43:07,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:43:07,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:43:07,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:43:07,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:43:07,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:43:07,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:43:07,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:43:07,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:43:07,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:43:07,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:43:07,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:43:07,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:43:07,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:43:07,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:43:07,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:43:07,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:43:07,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:43:07,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:43:07,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:43:07,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:43:07,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:43:07,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:43:07,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:43:07,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 20:43:07,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:43:07,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:43:07,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:43:07,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:43:07,337 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:43:07,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:43:07,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:43:07,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:43:07,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:43:07,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:43:07,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:43:07,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:43:07,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:43:07,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:43:07,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:43:07,339 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:43:07,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:43:07,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:43:07,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:43:07,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:43:07,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:43:07,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:43:07,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:43:07,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:43:07,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:43:07,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:43:07,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:43:07,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:43:07,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:43:07,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:43:07,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:43:07,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:43:07,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:43:07,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:43:07,664 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:43:07,665 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-08-21 20:43:07,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c19c6480/4e7d288a34c146f6a49d0f43cd884888/FLAG4e3ceaa95 [2020-08-21 20:43:08,158 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:43:08,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-08-21 20:43:08,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c19c6480/4e7d288a34c146f6a49d0f43cd884888/FLAG4e3ceaa95 [2020-08-21 20:43:08,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c19c6480/4e7d288a34c146f6a49d0f43cd884888 [2020-08-21 20:43:08,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:43:08,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:43:08,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:43:08,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:43:08,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:43:08,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:43:08" (1/1) ... [2020-08-21 20:43:08,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7636aefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:08, skipping insertion in model container [2020-08-21 20:43:08,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:43:08" (1/1) ... [2020-08-21 20:43:08,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:43:08,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:43:08,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:43:08,861 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:43:08,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:43:09,000 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:43:09,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09 WrapperNode [2020-08-21 20:43:09,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:43:09,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:43:09,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:43:09,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:43:09,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... [2020-08-21 20:43:09,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:43:09,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:43:09,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:43:09,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:43:09,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 20:43:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:43:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:43:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-08-21 20:43:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-08-21 20:43:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-08-21 20:43:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-08-21 20:43:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-08-21 20:43:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-08-21 20:43:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-08-21 20:43:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-08-21 20:43:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-08-21 20:43:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-08-21 20:43:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-08-21 20:43:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-08-21 20:43:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-08-21 20:43:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-08-21 20:43:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-08-21 20:43:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-08-21 20:43:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-08-21 20:43:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-08-21 20:43:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-08-21 20:43:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:43:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:43:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:43:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-08-21 20:43:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-08-21 20:43:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-08-21 20:43:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-08-21 20:43:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-08-21 20:43:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-08-21 20:43:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-08-21 20:43:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:43:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:43:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:43:09,619 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2020-08-21 20:43:09,619 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-08-21 20:43:09,638 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:43:09,638 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-21 20:43:09,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:43:09 BoogieIcfgContainer [2020-08-21 20:43:09,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:43:09,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:43:09,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:43:09,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:43:09,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:43:08" (1/3) ... [2020-08-21 20:43:09,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb346c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:43:09, skipping insertion in model container [2020-08-21 20:43:09,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:43:09" (2/3) ... [2020-08-21 20:43:09,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb346c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:43:09, skipping insertion in model container [2020-08-21 20:43:09,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:43:09" (3/3) ... [2020-08-21 20:43:09,661 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-08-21 20:43:09,669 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:43:09,676 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:43:09,690 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:43:09,713 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:43:09,714 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:43:09,714 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:43:09,714 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:43:09,714 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:43:09,715 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:43:09,715 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:43:09,715 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:43:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-08-21 20:43:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-08-21 20:43:09,749 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:43:09,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:43:09,751 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:43:09,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:43:09,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1427944937, now seen corresponding path program 1 times [2020-08-21 20:43:09,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:43:09,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11428795] [2020-08-21 20:43:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:43:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:43:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:43:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:43:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:43:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:43:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-21 20:43:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:43:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:43:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 20:43:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 20:43:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:43:10,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11428795] [2020-08-21 20:43:10,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:43:10,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 20:43:10,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79854264] [2020-08-21 20:43:10,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:43:10,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:43:10,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:43:10,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:43:10,393 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 10 states. [2020-08-21 20:43:13,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:43:13,806 INFO L93 Difference]: Finished difference Result 630 states and 1050 transitions. [2020-08-21 20:43:13,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-21 20:43:13,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-08-21 20:43:13,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:43:13,830 INFO L225 Difference]: With dead ends: 630 [2020-08-21 20:43:13,830 INFO L226 Difference]: Without dead ends: 476 [2020-08-21 20:43:13,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2020-08-21 20:43:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-08-21 20:43:13,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 271. [2020-08-21 20:43:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-08-21 20:43:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 363 transitions. [2020-08-21 20:43:13,960 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 363 transitions. Word has length 78 [2020-08-21 20:43:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:43:13,961 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 363 transitions. [2020-08-21 20:43:13,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:43:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 363 transitions. [2020-08-21 20:43:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-08-21 20:43:13,966 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:43:13,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:43:13,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:43:13,967 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:43:13,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:43:13,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1440144215, now seen corresponding path program 1 times [2020-08-21 20:43:13,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:43:13,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016580058] [2020-08-21 20:43:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:43:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:43:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:43:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:43:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:43:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:43:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-21 20:43:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:43:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:43:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 20:43:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 20:43:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:43:14,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016580058] [2020-08-21 20:43:14,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:43:14,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 20:43:14,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391897884] [2020-08-21 20:43:14,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:43:14,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:43:14,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:43:14,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:43:14,282 INFO L87 Difference]: Start difference. First operand 271 states and 363 transitions. Second operand 10 states. [2020-08-21 20:43:17,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:43:17,740 INFO L93 Difference]: Finished difference Result 924 states and 1361 transitions. [2020-08-21 20:43:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-21 20:43:17,740 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-08-21 20:43:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:43:17,748 INFO L225 Difference]: With dead ends: 924 [2020-08-21 20:43:17,749 INFO L226 Difference]: Without dead ends: 680 [2020-08-21 20:43:17,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2020-08-21 20:43:17,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-08-21 20:43:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 416. [2020-08-21 20:43:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-08-21 20:43:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 562 transitions. [2020-08-21 20:43:17,859 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 562 transitions. Word has length 78 [2020-08-21 20:43:17,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:43:17,859 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 562 transitions. [2020-08-21 20:43:17,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:43:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 562 transitions. [2020-08-21 20:43:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-08-21 20:43:17,864 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:43:17,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:43:17,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:43:17,865 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:43:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:43:17,866 INFO L82 PathProgramCache]: Analyzing trace with hash -53358805, now seen corresponding path program 1 times [2020-08-21 20:43:17,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:43:17,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244799319] [2020-08-21 20:43:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:43:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:43:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:17,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:43:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:43:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:43:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:43:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-21 20:43:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:43:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:43:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 20:43:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 20:43:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:43:18,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244799319] [2020-08-21 20:43:18,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:43:18,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 20:43:18,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271157350] [2020-08-21 20:43:18,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:43:18,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:43:18,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:43:18,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:43:18,113 INFO L87 Difference]: Start difference. First operand 416 states and 562 transitions. Second operand 10 states. [2020-08-21 20:43:22,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:43:22,860 INFO L93 Difference]: Finished difference Result 1984 states and 2933 transitions. [2020-08-21 20:43:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 20:43:22,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-08-21 20:43:22,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:43:22,873 INFO L225 Difference]: With dead ends: 1984 [2020-08-21 20:43:22,873 INFO L226 Difference]: Without dead ends: 1611 [2020-08-21 20:43:22,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=259, Invalid=931, Unknown=0, NotChecked=0, Total=1190 [2020-08-21 20:43:22,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-08-21 20:43:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1175. [2020-08-21 20:43:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1175 states. [2020-08-21 20:43:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1572 transitions. [2020-08-21 20:43:23,066 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1572 transitions. Word has length 78 [2020-08-21 20:43:23,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:43:23,069 INFO L479 AbstractCegarLoop]: Abstraction has 1175 states and 1572 transitions. [2020-08-21 20:43:23,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:43:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1572 transitions. [2020-08-21 20:43:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-08-21 20:43:23,076 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:43:23,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:43:23,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:43:23,078 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:43:23,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:43:23,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1828215755, now seen corresponding path program 1 times [2020-08-21 20:43:23,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:43:23,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224757630] [2020-08-21 20:43:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:43:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:43:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:43:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:43:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:43:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:43:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-21 20:43:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:43:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 20:43:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 20:43:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 20:43:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:43:23,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224757630] [2020-08-21 20:43:23,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:43:23,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 20:43:23,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518783244] [2020-08-21 20:43:23,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 20:43:23,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:43:23,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 20:43:23,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 20:43:23,434 INFO L87 Difference]: Start difference. First operand 1175 states and 1572 transitions. Second operand 11 states. [2020-08-21 20:43:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:43:25,590 INFO L93 Difference]: Finished difference Result 2733 states and 3855 transitions. [2020-08-21 20:43:25,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 20:43:25,591 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-08-21 20:43:25,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:43:25,606 INFO L225 Difference]: With dead ends: 2733 [2020-08-21 20:43:25,606 INFO L226 Difference]: Without dead ends: 1601 [2020-08-21 20:43:25,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-08-21 20:43:25,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2020-08-21 20:43:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1195. [2020-08-21 20:43:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-08-21 20:43:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1587 transitions. [2020-08-21 20:43:25,748 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1587 transitions. Word has length 79 [2020-08-21 20:43:25,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:43:25,749 INFO L479 AbstractCegarLoop]: Abstraction has 1195 states and 1587 transitions. [2020-08-21 20:43:25,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 20:43:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1587 transitions. [2020-08-21 20:43:25,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-08-21 20:43:25,751 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:43:25,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:43:25,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:43:25,752 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:43:25,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:43:25,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1580069261, now seen corresponding path program 1 times [2020-08-21 20:43:25,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:43:25,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122644161] [2020-08-21 20:43:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:43:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:43:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:43:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:43:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:43:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:43:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-21 20:43:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:43:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 20:43:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:26,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 20:43:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:26,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 20:43:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:43:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:43:26,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122644161] [2020-08-21 20:43:26,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:43:26,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 20:43:26,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736417442] [2020-08-21 20:43:26,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:43:26,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:43:26,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:43:26,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:43:26,019 INFO L87 Difference]: Start difference. First operand 1195 states and 1587 transitions. Second operand 10 states. [2020-08-21 20:43:29,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:43:29,556 INFO L93 Difference]: Finished difference Result 4057 states and 5875 transitions. [2020-08-21 20:43:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 20:43:29,556 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-08-21 20:43:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:43:29,558 INFO L225 Difference]: With dead ends: 4057 [2020-08-21 20:43:29,558 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:43:29,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2020-08-21 20:43:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:43:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:43:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:43:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:43:29,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2020-08-21 20:43:29,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:43:29,575 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:43:29,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:43:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:43:29,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:43:29,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:43:29,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:43:29,704 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 6 [2020-08-21 20:43:29,872 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 6 [2020-08-21 20:43:30,088 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2020-08-21 20:43:38,787 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-08-21 20:43:39,316 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 13 [2020-08-21 20:43:39,726 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2020-08-21 20:43:40,003 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 17 [2020-08-21 20:43:40,217 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2020-08-21 20:43:40,425 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2020-08-21 20:43:40,662 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 32 [2020-08-21 20:43:40,842 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2020-08-21 20:43:41,270 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2020-08-21 20:43:41,693 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 13 [2020-08-21 20:43:42,148 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 38 [2020-08-21 20:43:42,337 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-08-21 20:43:42,491 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2020-08-21 20:43:42,911 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2020-08-21 20:43:43,247 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-08-21 20:43:43,607 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 48 [2020-08-21 20:43:43,767 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2020-08-21 20:43:44,029 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2020-08-21 20:43:44,366 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-08-21 20:43:44,582 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2020-08-21 20:43:44,851 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2020-08-21 20:43:45,017 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 20 [2020-08-21 20:43:45,184 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2020-08-21 20:43:45,547 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2020-08-21 20:43:45,767 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 23 [2020-08-21 20:43:45,771 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-08-21 20:43:45,771 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-21 20:43:45,771 INFO L268 CegarLoopResult]: For program point L385-2(lines 369 393) no Hoare annotation was computed. [2020-08-21 20:43:45,771 INFO L268 CegarLoopResult]: For program point L377(lines 377 381) no Hoare annotation was computed. [2020-08-21 20:43:45,772 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0)))) (and (or .cse0 (not (<= ~c_dr_pc~0 0))) (or .cse0 (not (= ~c_dr_pc~0 1))))) [2020-08-21 20:43:45,772 INFO L264 CegarLoopResult]: At program point L377-2(lines 377 381) the Hoare annotation is: (let ((.cse3 (not (= ~c_dr_pc~0 1))) (.cse1 (not (<= ~p_dw_pc~0 0))) (.cse0 (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= activate_threads_~tmp~1 0) (= |old(~p_dw_st~0)| ~p_dw_st~0) (< 0 (+ activate_threads_~tmp~1 1)))) (.cse4 (= ~p_dw_pc~0 1)) (.cse2 (not (<= ~c_dr_pc~0 0))) (.cse5 (not (= ~q_read_ev~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse0 .cse4 .cse2 .cse5))) [2020-08-21 20:43:45,773 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-08-21 20:43:45,773 INFO L264 CegarLoopResult]: At program point activate_threadsENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0)))) (and (or .cse0 (not (<= ~c_dr_pc~0 0))) (or .cse0 (not (= ~c_dr_pc~0 1))))) [2020-08-21 20:43:45,773 INFO L268 CegarLoopResult]: For program point activate_threadsEXIT(lines 369 393) no Hoare annotation was computed. [2020-08-21 20:43:45,774 INFO L268 CegarLoopResult]: For program point exists_runnable_threadEXIT(lines 277 296) no Hoare annotation was computed. [2020-08-21 20:43:45,774 INFO L268 CegarLoopResult]: For program point L285(lines 285 290) no Hoare annotation was computed. [2020-08-21 20:43:45,774 INFO L268 CegarLoopResult]: For program point L281(lines 281 291) no Hoare annotation was computed. [2020-08-21 20:43:45,774 INFO L271 CegarLoopResult]: At program point exists_runnable_threadENTRY(lines 277 296) the Hoare annotation is: true [2020-08-21 20:43:45,776 INFO L271 CegarLoopResult]: At program point L293(lines 280 295) the Hoare annotation is: true [2020-08-21 20:43:45,776 INFO L268 CegarLoopResult]: For program point exists_runnable_threadFINAL(lines 277 296) no Hoare annotation was computed. [2020-08-21 20:43:45,777 INFO L264 CegarLoopResult]: At program point update_fifo_qENTRY(lines 22 41) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)))) (and (or .cse0 (not (<= ~c_dr_pc~0 0))) (or (not (= ~c_dr_pc~0 1)) .cse0))) [2020-08-21 20:43:45,777 INFO L268 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2020-08-21 20:43:45,777 INFO L268 CegarLoopResult]: For program point update_fifo_qEXIT(lines 22 41) no Hoare annotation was computed. [2020-08-21 20:43:45,778 INFO L268 CegarLoopResult]: For program point L26-1(lines 25 40) no Hoare annotation was computed. [2020-08-21 20:43:45,778 INFO L268 CegarLoopResult]: For program point update_fifo_qFINAL(lines 22 41) no Hoare annotation was computed. [2020-08-21 20:43:45,778 INFO L268 CegarLoopResult]: For program point reset_delta_eventsEXIT(lines 315 332) no Hoare annotation was computed. [2020-08-21 20:43:45,778 INFO L268 CegarLoopResult]: For program point L319-1(lines 318 331) no Hoare annotation was computed. [2020-08-21 20:43:45,778 INFO L264 CegarLoopResult]: At program point reset_delta_eventsENTRY(lines 315 332) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)))) (and (or (not (= ~c_dr_pc~0 1)) .cse0) (or .cse0 (not (<= ~c_dr_pc~0 0))))) [2020-08-21 20:43:45,778 INFO L268 CegarLoopResult]: For program point L324-1(lines 315 332) no Hoare annotation was computed. [2020-08-21 20:43:45,779 INFO L268 CegarLoopResult]: For program point L268-1(lines 259 276) no Hoare annotation was computed. [2020-08-21 20:43:45,779 INFO L268 CegarLoopResult]: For program point init_threadsEXIT(lines 259 276) no Hoare annotation was computed. [2020-08-21 20:43:45,779 INFO L264 CegarLoopResult]: At program point init_threadsENTRY(lines 259 276) the Hoare annotation is: (or (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0)) (not (<= ~p_dw_pc~0 0)) (not (<= ~c_dr_pc~0 0))) [2020-08-21 20:43:45,779 INFO L268 CegarLoopResult]: For program point L263-1(lines 262 275) no Hoare annotation was computed. [2020-08-21 20:43:45,781 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 544 555) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0)) (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~q_write_ev~0 ~q_read_ev~0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,781 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 544 555) no Hoare annotation was computed. [2020-08-21 20:43:45,781 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 544 555) no Hoare annotation was computed. [2020-08-21 20:43:45,782 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 20:43:45,782 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0)) (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~q_write_ev~0 ~q_read_ev~0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,782 INFO L264 CegarLoopResult]: At program point L549-1(line 549) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0)) (and (= ~q_read_ev~0 2) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~c_dr_pc~0 0) (<= ~p_dw_pc~0 0) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~q_write_ev~0 ~q_read_ev~0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,782 INFO L264 CegarLoopResult]: At program point L161(lines 138 182) the Hoare annotation is: (let ((.cse1 (not (<= ~c_dr_pc~0 0))) (.cse2 (not (<= |old(~p_dw_pc~0)| 0))) (.cse3 (not (= ~c_dr_pc~0 1))) (.cse0 (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse1) (or .cse3 .cse2) (or .cse3 .cse0))) [2020-08-21 20:43:45,782 INFO L264 CegarLoopResult]: At program point do_write_pENTRY(lines 135 183) the Hoare annotation is: (let ((.cse0 (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|)))) (and (or .cse0 (not (<= ~c_dr_pc~0 0))) (or (not (= ~c_dr_pc~0 1)) .cse0))) [2020-08-21 20:43:45,783 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-21 20:43:45,784 INFO L264 CegarLoopResult]: At program point L178(lines 135 183) the Hoare annotation is: (let ((.cse1 (not (<= |old(~p_dw_pc~0)| 0))) (.cse2 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse3 (not (<= ~c_dr_pc~0 0))) (.cse0 (not (= ~c_dr_pc~0 1))) (.cse4 (= ~p_dw_pc~0 1)) (.cse5 (= |old(~p_dw_pc~0)| 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5))) [2020-08-21 20:43:45,784 INFO L268 CegarLoopResult]: For program point L145(lines 145 149) no Hoare annotation was computed. [2020-08-21 20:43:45,785 INFO L264 CegarLoopResult]: At program point L143(lines 138 182) the Hoare annotation is: (let ((.cse1 (not (<= ~c_dr_pc~0 0))) (.cse2 (and (= |old(~q_free~0)| ~q_free~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~p_dw_pc~0 1) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|))) (.cse3 (not (= ~c_dr_pc~0 1))) (.cse0 (= |old(~p_dw_pc~0)| 1))) (and (or .cse0 .cse1) (or .cse2 .cse1) (or .cse3 .cse2) (or .cse3 .cse0))) [2020-08-21 20:43:45,785 INFO L268 CegarLoopResult]: For program point do_write_pEXIT(lines 135 183) no Hoare annotation was computed. [2020-08-21 20:43:45,785 INFO L264 CegarLoopResult]: At program point L154-1(lines 138 182) the Hoare annotation is: (let ((.cse0 (= |old(~p_dw_st~0)| ~p_dw_st~0))) (let ((.cse2 (not (= ~c_dr_pc~0 1))) (.cse3 (not (<= |old(~p_dw_pc~0)| 0))) (.cse4 (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~q_free~0)| ~q_free~0) .cse0 (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (not (= ~p_dw_pc~0 1)))) (.cse1 (not (<= ~c_dr_pc~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse3 .cse4 .cse1)))) [2020-08-21 20:43:45,785 INFO L268 CegarLoopResult]: For program point L142(lines 142 150) no Hoare annotation was computed. [2020-08-21 20:43:45,786 INFO L268 CegarLoopResult]: For program point errorEXIT(lines 5 12) no Hoare annotation was computed. [2020-08-21 20:43:45,786 INFO L268 CegarLoopResult]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-08-21 20:43:45,786 INFO L271 CegarLoopResult]: At program point errorENTRY(lines 5 12) the Hoare annotation is: true [2020-08-21 20:43:45,786 INFO L268 CegarLoopResult]: For program point errorFINAL(lines 5 12) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L126-2(lines 110 134) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsENTRY(lines 110 134) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L118-2(lines 118 122) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-08-21 20:43:45,787 INFO L268 CegarLoopResult]: For program point immediate_notify_threadsEXIT(lines 110 134) no Hoare annotation was computed. [2020-08-21 20:43:45,788 INFO L268 CegarLoopResult]: For program point fire_time_eventsEXIT(lines 335 350) no Hoare annotation was computed. [2020-08-21 20:43:45,788 INFO L264 CegarLoopResult]: At program point fire_time_eventsENTRY(lines 335 350) the Hoare annotation is: (let ((.cse0 (and (= ~t~0 |old(~t~0)|) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0)))) (and (or (not (<= ~c_dr_pc~0 0)) .cse0) (or (not (= ~c_dr_pc~0 1)) .cse0))) [2020-08-21 20:43:45,788 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 350) no Hoare annotation was computed. [2020-08-21 20:43:45,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:43:45,788 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= ~t~0 |old(~t~0)|) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~q_free~0 |old(~q_free~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~slow_clk_edge~0 |old(~slow_clk_edge~0)|) (= ~c_num_read~0 |old(~c_num_read~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~p_dw_pc~0 |old(~p_dw_pc~0)|) (= ~q_read_ev~0 |old(~q_read_ev~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~p_dw_st~0 |old(~p_dw_st~0)|) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~fast_clk_edge~0 |old(~fast_clk_edge~0)|) (= ~c_dr_i~0 |old(~c_dr_i~0)|)) [2020-08-21 20:43:45,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:43:45,789 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 394 446) the Hoare annotation is: (let ((.cse0 (= ~c_last_read~0 |old(~c_last_read~0)|)) (.cse1 (= ~a_t~0 |old(~a_t~0)|)) (.cse2 (= |old(~p_dw_pc~0)| ~p_dw_pc~0)) (.cse3 (= ~c_dr_st~0 |old(~c_dr_st~0)|)) (.cse4 (= |old(~q_free~0)| ~q_free~0)) (.cse5 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse6 (= |old(~p_dw_st~0)| ~p_dw_st~0)) (.cse7 (= ~c_num_read~0 |old(~c_num_read~0)|)) (.cse8 (= ~q_buf_0~0 |old(~q_buf_0~0)|)) (.cse9 (= ~p_last_write~0 |old(~p_last_write~0)|)) (.cse10 (= ~p_num_write~0 |old(~p_num_write~0)|))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10)) (or (not (= |old(~c_dr_pc~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ~c_dr_pc~0 1))))) [2020-08-21 20:43:45,789 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0) (or (not (= |old(~c_dr_pc~0)| 1)) .cse0))) [2020-08-21 20:43:45,789 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-08-21 20:43:45,789 INFO L268 CegarLoopResult]: For program point L405-1(lines 400 440) no Hoare annotation was computed. [2020-08-21 20:43:45,789 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-21 20:43:45,789 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0) (or (not (= |old(~c_dr_pc~0)| 1)) .cse0))) [2020-08-21 20:43:45,789 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0) (or (not (= |old(~c_dr_pc~0)| 1)) .cse0))) [2020-08-21 20:43:45,790 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-08-21 20:43:45,790 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 394 446) no Hoare annotation was computed. [2020-08-21 20:43:45,790 INFO L268 CegarLoopResult]: For program point L410(lines 400 440) no Hoare annotation was computed. [2020-08-21 20:43:45,790 INFO L264 CegarLoopResult]: At program point L441(lines 394 446) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0) (or (not (= |old(~c_dr_pc~0)| 1)) .cse0))) [2020-08-21 20:43:45,790 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-08-21 20:43:45,790 INFO L264 CegarLoopResult]: At program point L425(lines 400 440) the Hoare annotation is: (let ((.cse0 (= ~c_dr_pc~0 1))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (<= ~c_dr_pc~0 0) .cse0) (or (not (= |old(~c_dr_pc~0)| 1)) .cse0))) [2020-08-21 20:43:45,791 INFO L271 CegarLoopResult]: At program point L462(lines 451 464) the Hoare annotation is: true [2020-08-21 20:43:45,791 INFO L268 CegarLoopResult]: For program point L455(lines 455 460) no Hoare annotation was computed. [2020-08-21 20:43:45,791 INFO L268 CegarLoopResult]: For program point stop_simulationEXIT(lines 447 465) no Hoare annotation was computed. [2020-08-21 20:43:45,792 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-08-21 20:43:45,792 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-08-21 20:43:45,792 INFO L271 CegarLoopResult]: At program point stop_simulationENTRY(lines 447 465) the Hoare annotation is: true [2020-08-21 20:43:45,792 INFO L268 CegarLoopResult]: For program point stop_simulationFINAL(lines 447 465) no Hoare annotation was computed. [2020-08-21 20:43:45,792 INFO L268 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-08-21 20:43:45,792 INFO L268 CegarLoopResult]: For program point L95-1(lines 95 104) no Hoare annotation was computed. [2020-08-21 20:43:45,792 INFO L271 CegarLoopResult]: At program point is_do_read_c_triggeredENTRY(lines 81 109) the Hoare annotation is: true [2020-08-21 20:43:45,793 INFO L268 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2020-08-21 20:43:45,793 INFO L268 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2020-08-21 20:43:45,793 INFO L268 CegarLoopResult]: For program point L85-2(lines 84 108) no Hoare annotation was computed. [2020-08-21 20:43:45,793 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredFINAL(lines 81 109) no Hoare annotation was computed. [2020-08-21 20:43:45,793 INFO L271 CegarLoopResult]: At program point L106(lines 84 108) the Hoare annotation is: true [2020-08-21 20:43:45,793 INFO L268 CegarLoopResult]: For program point is_do_read_c_triggeredEXIT(lines 81 109) no Hoare annotation was computed. [2020-08-21 20:43:45,793 INFO L264 CegarLoopResult]: At program point update_channelsENTRY(lines 244 258) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)))) (and (or .cse0 (not (<= ~c_dr_pc~0 0))) (or (not (= ~c_dr_pc~0 1)) .cse0))) [2020-08-21 20:43:45,793 INFO L268 CegarLoopResult]: For program point update_channelsEXIT(lines 244 258) no Hoare annotation was computed. [2020-08-21 20:43:45,794 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_ev~0 |old(~q_ev~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= ~q_write_ev~0 |old(~q_write_ev~0)|)))) (and (or .cse0 (not (<= ~c_dr_pc~0 0))) (or (not (= ~c_dr_pc~0 1)) .cse0))) [2020-08-21 20:43:45,794 INFO L268 CegarLoopResult]: For program point L248(lines 244 258) no Hoare annotation was computed. [2020-08-21 20:43:45,794 INFO L264 CegarLoopResult]: At program point fire_delta_eventsENTRY(lines 297 314) the Hoare annotation is: (let ((.cse0 (and (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_write_ev~0 |old(~q_write_ev~0)|)))) (and (or (not (= ~c_dr_pc~0 1)) .cse0) (or .cse0 (not (<= ~c_dr_pc~0 0))))) [2020-08-21 20:43:45,794 INFO L268 CegarLoopResult]: For program point L306-1(lines 297 314) no Hoare annotation was computed. [2020-08-21 20:43:45,794 INFO L268 CegarLoopResult]: For program point L301-1(lines 300 313) no Hoare annotation was computed. [2020-08-21 20:43:45,794 INFO L268 CegarLoopResult]: For program point fire_delta_eventsEXIT(lines 297 314) no Hoare annotation was computed. [2020-08-21 20:43:45,794 INFO L264 CegarLoopResult]: At program point L481-1(lines 478 518) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,795 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (and (<= ~c_dr_pc~0 0) (<= ~p_dw_pc~0 0))) [2020-08-21 20:43:45,795 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (and (<= ~c_dr_pc~0 0) (<= ~p_dw_pc~0 0))) [2020-08-21 20:43:45,795 INFO L268 CegarLoopResult]: For program point start_simulationEXIT(lines 466 524) no Hoare annotation was computed. [2020-08-21 20:43:45,795 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,795 INFO L268 CegarLoopResult]: For program point L500(lines 500 509) no Hoare annotation was computed. [2020-08-21 20:43:45,796 INFO L264 CegarLoopResult]: At program point L500-1(lines 500 509) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,796 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-08-21 20:43:45,796 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,796 INFO L271 CegarLoopResult]: At program point L519(lines 466 524) the Hoare annotation is: true [2020-08-21 20:43:45,797 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 20:43:45,797 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-08-21 20:43:45,797 INFO L264 CegarLoopResult]: At program point start_simulationENTRY(lines 466 524) the Hoare annotation is: (or (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~q_write_ev~0 ~q_read_ev~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,797 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 20:43:45,797 INFO L264 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (and (<= ~c_dr_pc~0 0) (<= ~p_dw_pc~0 0))) [2020-08-21 20:43:45,797 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (or (and (= ~c_last_read~0 |old(~c_last_read~0)|) (= ~a_t~0 |old(~a_t~0)|) (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= ~t~0 |old(~t~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= ~q_req_up~0 |old(~q_req_up~0)|) (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_last_write~0 |old(~p_last_write~0)|) (= ~q_ev~0 |old(~q_ev~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~q_buf_0~0 |old(~q_buf_0~0)|) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~q_write_ev~0 ~q_read_ev~0)) (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L474-1(line 474) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (and (= ~c_dr_st~0 |old(~c_dr_st~0)|) (<= ~c_dr_pc~0 0) (<= ~p_dw_pc~0 0) (= |old(~p_dw_st~0)| ~p_dw_st~0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L493-1(line 493) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,798 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-08-21 20:43:45,798 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (= |old(~q_read_ev~0)| 2)) (not (<= |old(~p_dw_pc~0)| 0)) (<= ~c_dr_pc~0 0) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|)) (= ~c_dr_pc~0 1)) [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~c_dr_pc~0 0) (<= ~p_dw_pc~0 0) (= ~q_write_ev~0 ~q_read_ev~0)) [2020-08-21 20:43:45,799 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point L56-2(lines 55 79) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredFINAL(lines 52 80) no Hoare annotation was computed. [2020-08-21 20:43:45,799 INFO L268 CegarLoopResult]: For program point is_do_write_p_triggeredEXIT(lines 52 80) no Hoare annotation was computed. [2020-08-21 20:43:45,800 INFO L264 CegarLoopResult]: At program point L77(lines 55 79) the Hoare annotation is: (let ((.cse1 (= ~p_dw_pc~0 1)) (.cse5 (not (<= ~c_dr_pc~0 0))) (.cse2 (not (= ~q_read_ev~0 2))) (.cse0 (not (= ~c_dr_pc~0 1))) (.cse4 (not (<= ~p_dw_pc~0 0))) (.cse3 (and (<= 0 is_do_write_p_triggered_~__retres1~0) (<= is_do_write_p_triggered_~__retres1~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse3))) [2020-08-21 20:43:45,800 INFO L271 CegarLoopResult]: At program point is_do_write_p_triggeredENTRY(lines 52 80) the Hoare annotation is: true [2020-08-21 20:43:45,800 INFO L268 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-08-21 20:43:45,800 INFO L268 CegarLoopResult]: For program point reset_time_eventsEXIT(lines 351 368) no Hoare annotation was computed. [2020-08-21 20:43:45,800 INFO L268 CegarLoopResult]: For program point L360-1(lines 351 368) no Hoare annotation was computed. [2020-08-21 20:43:45,800 INFO L264 CegarLoopResult]: At program point reset_time_eventsENTRY(lines 351 368) the Hoare annotation is: (let ((.cse0 (and (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0)))) (and (or (not (= ~c_dr_pc~0 1)) .cse0) (or (not (<= ~c_dr_pc~0 0)) .cse0))) [2020-08-21 20:43:45,801 INFO L268 CegarLoopResult]: For program point L355-1(lines 354 367) no Hoare annotation was computed. [2020-08-21 20:43:45,801 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-08-21 20:43:45,801 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-08-21 20:43:45,801 INFO L268 CegarLoopResult]: For program point do_read_cEXIT(lines 185 243) no Hoare annotation was computed. [2020-08-21 20:43:45,801 INFO L264 CegarLoopResult]: At program point L238(lines 185 243) the Hoare annotation is: (let ((.cse0 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse1 (= ~c_dr_pc~0 1))) (and (or (and .cse0 (= |old(~q_free~0)| ~q_free~0) (= ~c_num_read~0 |old(~c_num_read~0)|) .cse1) (not (= |old(~c_dr_pc~0)| 1))) (or (and .cse0 .cse1) (not (<= |old(~c_dr_pc~0)| 0))))) [2020-08-21 20:43:45,801 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (not (= |old(~c_dr_pc~0)| 1)) (not (<= |old(~c_dr_pc~0)| 0))) [2020-08-21 20:43:45,802 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-08-21 20:43:45,802 INFO L264 CegarLoopResult]: At program point L234-1(lines 188 242) the Hoare annotation is: (let ((.cse0 (= ~c_last_read~0 |old(~c_last_read~0)|)) (.cse1 (= ~a_t~0 |old(~a_t~0)|)) (.cse2 (= ~c_dr_st~0 |old(~c_dr_st~0)|)) (.cse3 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse4 (= |old(~q_free~0)| ~q_free~0)) (.cse5 (= ~c_num_read~0 |old(~c_num_read~0)|))) (and (or (not (= |old(~c_dr_pc~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~c_dr_pc~0 1))) (or (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse1 .cse2 (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) .cse3 .cse4 .cse5)))) [2020-08-21 20:43:45,802 INFO L264 CegarLoopResult]: At program point L193(lines 188 242) the Hoare annotation is: (and (not (= |old(~c_dr_pc~0)| 1)) (not (<= |old(~c_dr_pc~0)| 0))) [2020-08-21 20:43:45,802 INFO L268 CegarLoopResult]: For program point L224(lines 224 236) no Hoare annotation was computed. [2020-08-21 20:43:45,802 INFO L268 CegarLoopResult]: For program point L189(lines 189 197) no Hoare annotation was computed. [2020-08-21 20:43:45,802 INFO L264 CegarLoopResult]: At program point do_read_cENTRY(lines 185 243) the Hoare annotation is: (let ((.cse0 (= ~c_last_read~0 |old(~c_last_read~0)|)) (.cse1 (= ~a_t~0 |old(~a_t~0)|)) (.cse2 (= ~c_dr_st~0 |old(~c_dr_st~0)|)) (.cse3 (= |old(~q_free~0)| ~q_free~0)) (.cse4 (= ~q_req_up~0 |old(~q_req_up~0)|)) (.cse5 (= ~c_num_read~0 |old(~c_num_read~0)|))) (and (or (not (<= |old(~c_dr_pc~0)| 0)) (and .cse0 .cse1 .cse2 (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) .cse3 .cse4 .cse5)) (or (not (= |old(~c_dr_pc~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~c_dr_pc~0 1))))) [2020-08-21 20:43:45,802 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 218) no Hoare annotation was computed. [2020-08-21 20:43:45,802 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (and (not (= |old(~c_dr_pc~0)| 1)) (not (<= |old(~c_dr_pc~0)| 0))) [2020-08-21 20:43:45,802 INFO L268 CegarLoopResult]: For program point init_modelFINAL(lines 525 543) no Hoare annotation was computed. [2020-08-21 20:43:45,803 INFO L268 CegarLoopResult]: For program point init_modelEXIT(lines 525 543) no Hoare annotation was computed. [2020-08-21 20:43:45,803 INFO L264 CegarLoopResult]: At program point init_modelENTRY(lines 525 543) the Hoare annotation is: (or (not (<= |old(~c_dr_pc~0)| 0)) (not (<= |old(~p_dw_pc~0)| 0)) (and (= |old(~p_dw_pc~0)| ~p_dw_pc~0) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= |old(~c_dr_i~0)| ~c_dr_i~0) (= ~c_dr_pc~0 |old(~c_dr_pc~0)|) (= |old(~q_free~0)| ~q_free~0) (= |old(~slow_clk_edge~0)| ~slow_clk_edge~0) (= ~p_dw_i~0 |old(~p_dw_i~0)|) (= ~c_num_read~0 |old(~c_num_read~0)|) (= |old(~fast_clk_edge~0)| ~fast_clk_edge~0) (= ~p_num_write~0 |old(~p_num_write~0)|) (= ~q_write_ev~0 ~q_read_ev~0)) (not (= |old(~q_read_ev~0)| |old(~q_write_ev~0)|))) [2020-08-21 20:43:45,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:43:45 BoogieIcfgContainer [2020-08-21 20:43:45,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:43:45,837 INFO L168 Benchmark]: Toolchain (without parser) took 37283.67 ms. Allocated memory was 140.0 MB in the beginning and 704.6 MB in the end (delta: 564.7 MB). Free memory was 103.2 MB in the beginning and 576.6 MB in the end (delta: -473.4 MB). Peak memory consumption was 584.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:43:45,841 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 20:43:45,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.66 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.0 MB in the beginning and 178.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:43:45,844 INFO L168 Benchmark]: Boogie Preprocessor took 44.47 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 176.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:43:45,845 INFO L168 Benchmark]: RCFGBuilder took 600.98 ms. Allocated memory is still 202.4 MB. Free memory was 176.0 MB in the beginning and 140.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:43:45,846 INFO L168 Benchmark]: TraceAbstraction took 36183.86 ms. Allocated memory was 202.4 MB in the beginning and 704.6 MB in the end (delta: 502.3 MB). Free memory was 140.1 MB in the beginning and 576.6 MB in the end (delta: -436.6 MB). Peak memory consumption was 559.1 MB. Max. memory is 7.1 GB. [2020-08-21 20:43:45,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.66 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.0 MB in the beginning and 178.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.47 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 176.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 600.98 ms. Allocated memory is still 202.4 MB. Free memory was 176.0 MB in the beginning and 140.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36183.86 ms. Allocated memory was 202.4 MB in the beginning and 704.6 MB in the end (delta: 502.3 MB). Free memory was 140.1 MB in the beginning and 576.6 MB in the end (delta: -436.6 MB). Peak memory consumption was 559.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: !(\old(c_dr_pc) == 1) && !(\old(c_dr_pc) <= 0) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((!(c_dr_pc == 1) || p_dw_pc == 1) || !(q_read_ev == 2)) || (0 <= __retres1 && __retres1 <= 0)) && ((!(p_dw_pc <= 0) || !(c_dr_pc <= 0)) || (0 <= __retres1 && __retres1 <= 0))) && (((p_dw_pc == 1 || !(c_dr_pc <= 0)) || !(q_read_ev == 2)) || (0 <= __retres1 && __retres1 <= 0))) && ((!(c_dr_pc == 1) || !(p_dw_pc <= 0)) || (0 <= __retres1 && __retres1 <= 0)) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((!(\old(c_dr_pc) <= 0) || c_dr_pc <= 0) || c_dr_pc == 1) && (!(\old(c_dr_pc) == 1) || c_dr_pc == 1) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((!(c_dr_pc == 1) || !(\old(p_dw_pc) <= 0)) || q_req_up == \old(q_req_up)) && ((!(\old(p_dw_pc) <= 0) || q_req_up == \old(q_req_up)) || !(c_dr_pc <= 0))) && ((!(c_dr_pc == 1) || p_dw_pc == 1) || q_req_up == \old(q_req_up))) && ((p_dw_pc == 1 || q_req_up == \old(q_req_up)) || !(c_dr_pc <= 0))) && ((p_dw_pc == 1 || \old(p_dw_pc) == 1) || !(c_dr_pc <= 0))) && ((!(c_dr_pc == 1) || p_dw_pc == 1) || \old(p_dw_pc) == 1) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (!(\old(c_dr_pc) == 1) || ((((((c_last_read == \old(c_last_read) && a_t == \old(a_t)) && c_dr_st == \old(c_dr_st)) && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && c_num_read == \old(c_num_read)) && c_dr_pc == 1)) && (!(\old(c_dr_pc) <= 0) || ((((((c_last_read == \old(c_last_read) && a_t == \old(a_t)) && c_dr_st == \old(c_dr_st)) && c_dr_pc == \old(c_dr_pc)) && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && c_num_read == \old(c_num_read))) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((\old(p_dw_st) == p_dw_st || !(c_dr_pc <= 0)) && ((!(c_dr_pc == 1) || !(\old(p_dw_pc) <= 0)) || (((((((\old(p_dw_pc) == p_dw_pc && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)) && !(p_dw_pc == 1)))) && (!(c_dr_pc == 1) || \old(p_dw_st) == p_dw_st)) && ((!(\old(p_dw_pc) <= 0) || (((((((\old(p_dw_pc) == p_dw_pc && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)) && !(p_dw_pc == 1))) || !(c_dr_pc <= 0)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((\old(p_dw_pc) == 1 || !(c_dr_pc <= 0)) && (((((((\old(q_free) == q_free && q_req_up == \old(q_req_up)) && p_dw_pc == 1) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)) || !(c_dr_pc <= 0))) && (!(c_dr_pc == 1) || ((((((\old(q_free) == q_free && q_req_up == \old(q_req_up)) && p_dw_pc == 1) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)))) && (!(c_dr_pc == 1) || \old(p_dw_pc) == 1) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((!(\old(c_dr_pc) <= 0) || !(\old(q_read_ev) == 2)) || !(\old(p_dw_pc) <= 0)) || c_dr_pc <= 0) || !(\old(q_read_ev) == \old(q_write_ev))) || c_dr_pc == 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((((\old(p_dw_pc) == p_dw_pc && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write)) || !(c_dr_pc <= 0)) && (!(\old(p_dw_pc) <= 0) || !(c_dr_pc <= 0))) && (!(c_dr_pc == 1) || !(\old(p_dw_pc) <= 0))) && (!(c_dr_pc == 1) || ((((((\old(p_dw_pc) == p_dw_pc && q_req_up == \old(q_req_up)) && \old(q_free) == q_free) && \old(p_dw_st) == p_dw_st) && q_buf_0 == \old(q_buf_0)) && p_last_write == \old(p_last_write)) && p_num_write == \old(p_num_write))) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((!(\old(c_dr_pc) <= 0) || c_dr_pc <= 0) || c_dr_pc == 1) && (!(\old(c_dr_pc) == 1) || c_dr_pc == 1) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((q_req_up == \old(q_req_up) && \old(q_free) == q_free) && c_num_read == \old(c_num_read)) && c_dr_pc == 1) || !(\old(c_dr_pc) == 1)) && ((q_req_up == \old(q_req_up) && c_dr_pc == 1) || !(\old(c_dr_pc) <= 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1165 SDtfs, 3209 SDslu, 1118 SDs, 0 SdLazy, 10126 SolverSat, 2183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1195occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 1311 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2470 PreInvPairs, 4165 NumberOfFragments, 1973 HoareAnnotationTreeSize, 2470 FomulaSimplifications, 2989124 FormulaSimplificationTreeSizeReduction, 8.6s HoareSimplificationTime, 63 FomulaSimplificationsInter, 81014 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 93577 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...