/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-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:04:57,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:04:57,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:04:57,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:04:57,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:04:57,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:04:57,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:04:57,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:04:57,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:04:57,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:04:57,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:04:57,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:04:57,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:04:57,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:04:57,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:04:57,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:04:57,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:04:57,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:04:57,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:04:57,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:04:57,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:04:57,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:04:57,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:04:57,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:04:57,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:04:57,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:04:57,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:04:57,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:04:57,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:04:57,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:04:57,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:04:57,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:04:57,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:04:57,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:04:57,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:04:57,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:04:57,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:04:57,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:04:57,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:04:57,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:04:57,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:04:57,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-21 21:04:57,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:04:57,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:04:57,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:04:57,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:04:57,332 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:04:57,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:04:57,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:04:57,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:04:57,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:04:57,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:04:57,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:04:57,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:04:57,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:04:57,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:04:57,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:04:57,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:04:57,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:04:57,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:04:57,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:04:57,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:04:57,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:04:57,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:04:57,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:04:57,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:04:57,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:04:57,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:04:57,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-21 21:04:57,336 INFO L138 SettingsManager]: * To the following directory=dump/ 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 21:04:57,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:04:57,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:04:57,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:04:57,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:04:57,665 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:04:57,666 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-08-21 21:04:57,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08e78292d/7adf4424c72e48b5b2907c6d2ac2a424/FLAG5210300ca [2020-08-21 21:04:58,324 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:04:58,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-08-21 21:04:58,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08e78292d/7adf4424c72e48b5b2907c6d2ac2a424/FLAG5210300ca [2020-08-21 21:04:58,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08e78292d/7adf4424c72e48b5b2907c6d2ac2a424 [2020-08-21 21:04:58,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:04:58,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:04:58,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:04:58,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:04:58,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:04:58,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:04:58" (1/1) ... [2020-08-21 21:04:58,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c29ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:58, skipping insertion in model container [2020-08-21 21:04:58,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:04:58" (1/1) ... [2020-08-21 21:04:58,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:04:58,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:04:58,980 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-08-21 21:04:58,980 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-08-21 21:04:59,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:04:59,603 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:04:59,653 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-08-21 21:04:59,654 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-08-21 21:04:59,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:04:59,788 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:04:59,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59 WrapperNode [2020-08-21 21:04:59,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:04:59,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:04:59,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:04:59,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:04:59,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (1/1) ... [2020-08-21 21:04:59,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:04:59,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:04:59,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:04:59,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:04:59,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (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 21:05:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:05:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:05:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-08-21 21:05:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-08-21 21:05:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-08-21 21:05:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-08-21 21:05:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-08-21 21:05:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-08-21 21:05:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-08-21 21:05:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-21 21:05:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-21 21:05:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-21 21:05:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-21 21:05:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-21 21:05:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-21 21:05:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-21 21:05:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-21 21:05:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-21 21:05:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-08-21 21:05:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-08-21 21:05:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-08-21 21:05:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-08-21 21:05:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-08-21 21:05:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-08-21 21:05:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-08-21 21:05:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:05:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-21 21:05:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-08-21 21:05:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-08-21 21:05:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-08-21 21:05:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-08-21 21:05:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-08-21 21:05:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-08-21 21:05:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-21 21:05:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-21 21:05:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-08-21 21:05:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-08-21 21:05:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-08-21 21:05:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-08-21 21:05:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-08-21 21:05:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-08-21 21:05:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-21 21:05:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-08-21 21:05:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-21 21:05:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-21 21:05:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:05:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-21 21:05:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-08-21 21:05:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-08-21 21:05:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:05:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-21 21:05:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-21 21:05:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-08-21 21:05:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-08-21 21:05:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-08-21 21:05:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-21 21:05:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-08-21 21:05:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-21 21:05:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-08-21 21:05:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:05:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 21:05:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-21 21:05:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-08-21 21:05:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-08-21 21:05:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-08-21 21:05:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:05:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:05:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:05:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-08-21 21:05:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-08-21 21:05:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-08-21 21:05:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-21 21:05:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-21 21:05:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-08-21 21:05:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:05:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-08-21 21:05:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-08-21 21:05:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-08-21 21:05:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-08-21 21:05:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-08-21 21:05:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-08-21 21:05:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:05:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:05:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:05:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:05:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 21:05:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:05:00,894 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-21 21:05:01,625 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:05:01,626 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 21:05:01,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:05:01 BoogieIcfgContainer [2020-08-21 21:05:01,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:05:01,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:05:01,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:05:01,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:05:01,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:04:58" (1/3) ... [2020-08-21 21:05:01,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec59e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:05:01, skipping insertion in model container [2020-08-21 21:05:01,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:04:59" (2/3) ... [2020-08-21 21:05:01,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec59e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:05:01, skipping insertion in model container [2020-08-21 21:05:01,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:05:01" (3/3) ... [2020-08-21 21:05:01,656 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-08-21 21:05:01,667 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:05:01,678 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:05:01,694 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:05:01,726 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:05:01,726 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:05:01,726 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:05:01,726 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:05:01,726 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:05:01,726 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:05:01,727 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:05:01,727 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:05:01,765 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states. [2020-08-21 21:05:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-08-21 21:05:01,791 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:01,793 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:01,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:01,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:01,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2083768503, now seen corresponding path program 1 times [2020-08-21 21:05:01,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:01,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841686997] [2020-08-21 21:05:01,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,566 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:02,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-08-21 21:05:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 21:05:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 21:05:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 21:05:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 21:05:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-21 21:05:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-21 21:05:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-08-21 21:05:02,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841686997] [2020-08-21 21:05:02,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:05:02,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 21:05:02,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475004834] [2020-08-21 21:05:02,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:05:02,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:02,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:05:02,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:05:02,800 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 10 states. [2020-08-21 21:05:02,985 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-08-21 21:05:04,021 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-08-21 21:05:05,073 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-08-21 21:05:05,225 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-08-21 21:05:05,413 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-08-21 21:05:05,598 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-08-21 21:05:07,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:07,537 INFO L93 Difference]: Finished difference Result 815 states and 1118 transitions. [2020-08-21 21:05:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:05:07,539 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-08-21 21:05:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:07,558 INFO L225 Difference]: With dead ends: 815 [2020-08-21 21:05:07,558 INFO L226 Difference]: Without dead ends: 429 [2020-08-21 21:05:07,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:05:07,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-08-21 21:05:07,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 306. [2020-08-21 21:05:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-08-21 21:05:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 386 transitions. [2020-08-21 21:05:07,704 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 386 transitions. Word has length 91 [2020-08-21 21:05:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:07,705 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 386 transitions. [2020-08-21 21:05:07,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:05:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 386 transitions. [2020-08-21 21:05:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-08-21 21:05:07,710 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:07,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:07,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:05:07,711 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:07,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1314856814, now seen corresponding path program 1 times [2020-08-21 21:05:07,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:07,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897422174] [2020-08-21 21:05:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:07,954 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-08-21 21:05:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 21:05:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 21:05:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-21 21:05:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 21:05:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-21 21:05:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-21 21:05:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-08-21 21:05:08,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897422174] [2020-08-21 21:05:08,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:05:08,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:05:08,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310379585] [2020-08-21 21:05:08,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:05:08,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:08,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:05:08,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:05:08,064 INFO L87 Difference]: Start difference. First operand 306 states and 386 transitions. Second operand 6 states. [2020-08-21 21:05:08,183 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-08-21 21:05:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:10,846 INFO L93 Difference]: Finished difference Result 722 states and 963 transitions. [2020-08-21 21:05:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:05:10,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-08-21 21:05:10,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:10,854 INFO L225 Difference]: With dead ends: 722 [2020-08-21 21:05:10,854 INFO L226 Difference]: Without dead ends: 441 [2020-08-21 21:05:10,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:05:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-08-21 21:05:10,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 308. [2020-08-21 21:05:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-08-21 21:05:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 388 transitions. [2020-08-21 21:05:10,907 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 388 transitions. Word has length 97 [2020-08-21 21:05:10,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:10,908 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 388 transitions. [2020-08-21 21:05:10,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:05:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 388 transitions. [2020-08-21 21:05:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-21 21:05:10,913 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:10,913 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:10,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:05:10,913 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:10,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:10,914 INFO L82 PathProgramCache]: Analyzing trace with hash -492581383, now seen corresponding path program 1 times [2020-08-21 21:05:10,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:10,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845632107] [2020-08-21 21:05:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,154 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:11,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 21:05:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-21 21:05:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-21 21:05:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-08-21 21:05:11,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845632107] [2020-08-21 21:05:11,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:05:11,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:05:11,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130248896] [2020-08-21 21:05:11,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:05:11,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:11,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:05:11,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:05:11,384 INFO L87 Difference]: Start difference. First operand 308 states and 388 transitions. Second operand 6 states. [2020-08-21 21:05:11,511 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-08-21 21:05:11,738 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-08-21 21:05:11,896 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-08-21 21:05:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:15,037 INFO L93 Difference]: Finished difference Result 945 states and 1246 transitions. [2020-08-21 21:05:15,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:05:15,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-08-21 21:05:15,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:15,044 INFO L225 Difference]: With dead ends: 945 [2020-08-21 21:05:15,044 INFO L226 Difference]: Without dead ends: 662 [2020-08-21 21:05:15,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:05:15,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-08-21 21:05:15,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 489. [2020-08-21 21:05:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-08-21 21:05:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 617 transitions. [2020-08-21 21:05:15,153 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 617 transitions. Word has length 123 [2020-08-21 21:05:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:15,153 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 617 transitions. [2020-08-21 21:05:15,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:05:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 617 transitions. [2020-08-21 21:05:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 21:05:15,156 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:15,157 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:15,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:05:15,157 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:15,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:15,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1067393612, now seen corresponding path program 1 times [2020-08-21 21:05:15,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:15,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256843066] [2020-08-21 21:05:15,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,363 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:15,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-08-21 21:05:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 21:05:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 21:05:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-21 21:05:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 21:05:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 21:05:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-21 21:05:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 21:05:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-21 21:05:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-08-21 21:05:15,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256843066] [2020-08-21 21:05:15,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:05:15,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:05:15,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858797125] [2020-08-21 21:05:15,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:05:15,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:15,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:05:15,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:05:15,476 INFO L87 Difference]: Start difference. First operand 489 states and 617 transitions. Second operand 7 states. [2020-08-21 21:05:15,602 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-08-21 21:05:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:18,380 INFO L93 Difference]: Finished difference Result 1237 states and 1674 transitions. [2020-08-21 21:05:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:05:18,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-08-21 21:05:18,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:18,393 INFO L225 Difference]: With dead ends: 1237 [2020-08-21 21:05:18,393 INFO L226 Difference]: Without dead ends: 773 [2020-08-21 21:05:18,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:05:18,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-08-21 21:05:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 541. [2020-08-21 21:05:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-08-21 21:05:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 699 transitions. [2020-08-21 21:05:18,472 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 699 transitions. Word has length 110 [2020-08-21 21:05:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:18,473 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 699 transitions. [2020-08-21 21:05:18,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:05:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 699 transitions. [2020-08-21 21:05:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-21 21:05:18,476 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:18,476 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:18,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:05:18,477 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1281815870, now seen corresponding path program 1 times [2020-08-21 21:05:18,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:18,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804983113] [2020-08-21 21:05:18,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,690 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:18,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 21:05:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 21:05:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-21 21:05:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-21 21:05:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-08-21 21:05:18,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804983113] [2020-08-21 21:05:18,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:05:18,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:05:18,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320400952] [2020-08-21 21:05:18,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:05:18,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:05:18,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:05:18,918 INFO L87 Difference]: Start difference. First operand 541 states and 699 transitions. Second operand 9 states. [2020-08-21 21:05:19,072 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-08-21 21:05:19,625 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-08-21 21:05:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:22,075 INFO L93 Difference]: Finished difference Result 1246 states and 1663 transitions. [2020-08-21 21:05:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:05:22,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-08-21 21:05:22,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:22,081 INFO L225 Difference]: With dead ends: 1246 [2020-08-21 21:05:22,081 INFO L226 Difference]: Without dead ends: 708 [2020-08-21 21:05:22,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:05:22,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-08-21 21:05:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 538. [2020-08-21 21:05:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-21 21:05:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 692 transitions. [2020-08-21 21:05:22,139 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 692 transitions. Word has length 143 [2020-08-21 21:05:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:22,139 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 692 transitions. [2020-08-21 21:05:22,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:05:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 692 transitions. [2020-08-21 21:05:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-08-21 21:05:22,142 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:22,143 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:22,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:05:22,143 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:22,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:22,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1536881969, now seen corresponding path program 1 times [2020-08-21 21:05:22,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:22,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034133864] [2020-08-21 21:05:22,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,363 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:22,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:05:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:05:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-21 21:05:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 21:05:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-21 21:05:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-08-21 21:05:22,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034133864] [2020-08-21 21:05:22,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:05:22,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 21:05:22,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829778323] [2020-08-21 21:05:22,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:05:22,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:22,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:05:22,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:05:22,595 INFO L87 Difference]: Start difference. First operand 538 states and 692 transitions. Second operand 10 states. [2020-08-21 21:05:22,742 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-08-21 21:05:23,798 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:24,039 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:26,507 INFO L93 Difference]: Finished difference Result 1233 states and 1636 transitions. [2020-08-21 21:05:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 21:05:26,507 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-08-21 21:05:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:26,512 INFO L225 Difference]: With dead ends: 1233 [2020-08-21 21:05:26,513 INFO L226 Difference]: Without dead ends: 702 [2020-08-21 21:05:26,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-08-21 21:05:26,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-08-21 21:05:26,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 538. [2020-08-21 21:05:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-21 21:05:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 690 transitions. [2020-08-21 21:05:26,574 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 690 transitions. Word has length 152 [2020-08-21 21:05:26,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:26,575 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 690 transitions. [2020-08-21 21:05:26,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:05:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 690 transitions. [2020-08-21 21:05:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-08-21 21:05:26,579 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:26,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:26,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:05:26,580 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash -968590774, now seen corresponding path program 1 times [2020-08-21 21:05:26,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:26,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869244947] [2020-08-21 21:05:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,847 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:26,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:05:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:05:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-21 21:05:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 21:05:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-21 21:05:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-08-21 21:05:27,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869244947] [2020-08-21 21:05:27,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:05:27,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 21:05:27,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549840235] [2020-08-21 21:05:27,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 21:05:27,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:27,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 21:05:27,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:05:27,234 INFO L87 Difference]: Start difference. First operand 538 states and 690 transitions. Second operand 13 states. [2020-08-21 21:05:27,386 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-08-21 21:05:28,205 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:28,641 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:28,817 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:29,017 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:29,198 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-08-21 21:05:29,385 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-08-21 21:05:29,586 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-08-21 21:05:31,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:31,505 INFO L93 Difference]: Finished difference Result 1217 states and 1615 transitions. [2020-08-21 21:05:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:05:31,506 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 146 [2020-08-21 21:05:31,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:31,511 INFO L225 Difference]: With dead ends: 1217 [2020-08-21 21:05:31,512 INFO L226 Difference]: Without dead ends: 704 [2020-08-21 21:05:31,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-08-21 21:05:31,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-08-21 21:05:31,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 545. [2020-08-21 21:05:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-08-21 21:05:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2020-08-21 21:05:31,567 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 146 [2020-08-21 21:05:31,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:31,568 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2020-08-21 21:05:31,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 21:05:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2020-08-21 21:05:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-21 21:05:31,571 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:31,571 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:31,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 21:05:31,571 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:31,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:31,572 INFO L82 PathProgramCache]: Analyzing trace with hash 948696336, now seen corresponding path program 1 times [2020-08-21 21:05:31,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:31,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915690189] [2020-08-21 21:05:31,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,787 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:05:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:05:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-21 21:05:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-21 21:05:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:32,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:32,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:32,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-21 21:05:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:32,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-08-21 21:05:32,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915690189] [2020-08-21 21:05:32,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:05:32,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 21:05:32,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868476723] [2020-08-21 21:05:32,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 21:05:32,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:32,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 21:05:32,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:05:32,091 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand 11 states. [2020-08-21 21:05:32,249 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-08-21 21:05:33,392 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-08-21 21:05:33,579 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:33,756 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:33,947 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:34,128 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:35,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:35,854 INFO L93 Difference]: Finished difference Result 1168 states and 1528 transitions. [2020-08-21 21:05:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 21:05:35,855 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 164 [2020-08-21 21:05:35,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:35,859 INFO L225 Difference]: With dead ends: 1168 [2020-08-21 21:05:35,859 INFO L226 Difference]: Without dead ends: 648 [2020-08-21 21:05:35,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-08-21 21:05:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-08-21 21:05:35,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 550. [2020-08-21 21:05:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-08-21 21:05:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 707 transitions. [2020-08-21 21:05:35,910 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 707 transitions. Word has length 164 [2020-08-21 21:05:35,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:35,910 INFO L479 AbstractCegarLoop]: Abstraction has 550 states and 707 transitions. [2020-08-21 21:05:35,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 21:05:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 707 transitions. [2020-08-21 21:05:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-08-21 21:05:35,913 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:35,914 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:35,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 21:05:35,914 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:35,915 INFO L82 PathProgramCache]: Analyzing trace with hash 925896005, now seen corresponding path program 1 times [2020-08-21 21:05:35,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:35,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164039540] [2020-08-21 21:05:35,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,152 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:36,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:05:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:05:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 21:05:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-21 21:05:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-21 21:05:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-08-21 21:05:36,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164039540] [2020-08-21 21:05:36,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:05:36,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:05:36,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446222821] [2020-08-21 21:05:36,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:05:36,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:36,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:05:36,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:05:36,501 INFO L87 Difference]: Start difference. First operand 550 states and 707 transitions. Second operand 10 states. [2020-08-21 21:05:36,638 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-08-21 21:05:37,144 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-08-21 21:05:37,834 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:38,438 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:38,612 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-08-21 21:05:39,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:39,526 INFO L93 Difference]: Finished difference Result 1271 states and 1638 transitions. [2020-08-21 21:05:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:05:39,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-08-21 21:05:39,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:39,533 INFO L225 Difference]: With dead ends: 1271 [2020-08-21 21:05:39,533 INFO L226 Difference]: Without dead ends: 746 [2020-08-21 21:05:39,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:05:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-08-21 21:05:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 430. [2020-08-21 21:05:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-08-21 21:05:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 531 transitions. [2020-08-21 21:05:39,580 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 531 transitions. Word has length 152 [2020-08-21 21:05:39,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:39,581 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 531 transitions. [2020-08-21 21:05:39,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:05:39,581 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 531 transitions. [2020-08-21 21:05:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-21 21:05:39,583 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:39,584 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:39,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 21:05:39,584 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:39,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:39,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1391356121, now seen corresponding path program 1 times [2020-08-21 21:05:39,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:39,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328234339] [2020-08-21 21:05:39,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,798 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-08-21 21:05:39,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-08-21 21:05:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 21:05:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 21:05:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-21 21:05:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 21:05:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 21:05:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-21 21:05:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-21 21:05:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-21 21:05:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-21 21:05:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-21 21:05:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-08-21 21:05:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-21 21:05:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 21:05:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-08-21 21:05:39,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328234339] [2020-08-21 21:05:39,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:05:39,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 21:05:39,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731663293] [2020-08-21 21:05:39,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:05:39,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:39,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:05:39,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:05:39,956 INFO L87 Difference]: Start difference. First operand 430 states and 531 transitions. Second operand 8 states. [2020-08-21 21:05:40,082 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-08-21 21:05:42,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:42,913 INFO L93 Difference]: Finished difference Result 980 states and 1265 transitions. [2020-08-21 21:05:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:05:42,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2020-08-21 21:05:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:42,918 INFO L225 Difference]: With dead ends: 980 [2020-08-21 21:05:42,918 INFO L226 Difference]: Without dead ends: 592 [2020-08-21 21:05:42,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:05:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-08-21 21:05:42,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 453. [2020-08-21 21:05:42,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-08-21 21:05:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 568 transitions. [2020-08-21 21:05:42,983 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 568 transitions. Word has length 151 [2020-08-21 21:05:42,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:42,983 INFO L479 AbstractCegarLoop]: Abstraction has 453 states and 568 transitions. [2020-08-21 21:05:42,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:05:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 568 transitions. [2020-08-21 21:05:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-21 21:05:42,985 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:05:42,985 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:42,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 21:05:42,986 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:05:42,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:05:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash -642852378, now seen corresponding path program 2 times [2020-08-21 21:05:42,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:05:42,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349153206] [2020-08-21 21:05:42,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:05:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:05:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:05:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:05:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:05:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:05:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:05:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 21:05:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-21 21:05:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:05:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:05:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-21 21:05:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:05:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:05:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-08-21 21:05:43,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349153206] [2020-08-21 21:05:43,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:05:43,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:05:43,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774674070] [2020-08-21 21:05:43,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:05:43,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:05:43,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:05:43,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:05:43,456 INFO L87 Difference]: Start difference. First operand 453 states and 568 transitions. Second operand 7 states. [2020-08-21 21:05:43,614 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-08-21 21:05:43,844 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-08-21 21:05:44,002 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-08-21 21:05:45,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:05:45,911 INFO L93 Difference]: Finished difference Result 553 states and 710 transitions. [2020-08-21 21:05:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:05:45,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-08-21 21:05:45,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:05:45,913 INFO L225 Difference]: With dead ends: 553 [2020-08-21 21:05:45,913 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:05:45,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:05:45,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:05:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:05:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:05:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:05:45,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2020-08-21 21:05:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:05:45,917 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:05:45,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:05:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:05:45,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:05:45,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 21:05:45,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:05:49,307 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 1 [2020-08-21 21:05:49,591 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 12 [2020-08-21 21:05:49,732 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 12 [2020-08-21 21:05:50,080 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 12 [2020-08-21 21:05:50,207 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2020-08-21 21:05:50,464 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 38 [2020-08-21 21:05:50,578 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 18 [2020-08-21 21:05:50,719 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 21 [2020-08-21 21:05:50,891 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 8 [2020-08-21 21:05:51,040 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 11 [2020-08-21 21:05:51,379 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 8 [2020-08-21 21:05:51,670 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 12 [2020-08-21 21:05:51,779 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 12 [2020-08-21 21:05:52,051 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 38 [2020-08-21 21:05:52,260 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 12 [2020-08-21 21:05:52,472 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 21 [2020-08-21 21:05:52,833 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-08-21 21:05:53,188 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 12 [2020-08-21 21:05:53,313 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2020-08-21 21:05:53,632 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2020-08-21 21:05:53,890 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2020-08-21 21:05:54,069 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 3 [2020-08-21 21:05:54,200 INFO L271 CegarLoopResult]: At program point __list_addENTRY(lines 2118 2120) the Hoare annotation is: true [2020-08-21 21:05:54,200 INFO L268 CegarLoopResult]: For program point __list_addFINAL(lines 2118 2120) no Hoare annotation was computed. [2020-08-21 21:05:54,200 INFO L268 CegarLoopResult]: For program point __list_addEXIT(lines 2118 2120) no Hoare annotation was computed. [2020-08-21 21:05:54,200 INFO L268 CegarLoopResult]: For program point pnp_get_resourceEXIT(lines 2152 2154) no Hoare annotation was computed. [2020-08-21 21:05:54,200 INFO L264 CegarLoopResult]: At program point pnp_get_resourceENTRY(lines 2152 2154) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,200 INFO L268 CegarLoopResult]: For program point pnp_get_resourceFINAL(lines 2152 2154) no Hoare annotation was computed. [2020-08-21 21:05:54,200 INFO L268 CegarLoopResult]: For program point L2153-1(line 2153) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L264 CegarLoopResult]: At program point L2153(line 2153) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point list_emptyFINAL(lines 1418 1423) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L271 CegarLoopResult]: At program point list_emptyENTRY(lines 1418 1423) the Hoare annotation is: true [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point list_emptyEXIT(lines 1418 1423) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point ldv_undef_intENTRY(lines 1502 1509) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point ldv_undef_intFINAL(lines 1502 1509) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point ldv_undef_intEXIT(lines 1502 1509) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1949 2044) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L271 CegarLoopResult]: At program point L1976(line 1976) the Hoare annotation is: true [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point L1976-1(line 1976) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point L2001(lines 2001 2033) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point L1993(line 1993) no Hoare annotation was computed. [2020-08-21 21:05:54,201 INFO L268 CegarLoopResult]: For program point L1985(line 1985) no Hoare annotation was computed. [2020-08-21 21:05:54,202 INFO L268 CegarLoopResult]: For program point L1977(lines 1977 1981) no Hoare annotation was computed. [2020-08-21 21:05:54,202 INFO L268 CegarLoopResult]: For program point L2035(line 2035) no Hoare annotation was computed. [2020-08-21 21:05:54,202 INFO L268 CegarLoopResult]: For program point L1969(lines 1969 2037) no Hoare annotation was computed. [2020-08-21 21:05:54,202 INFO L271 CegarLoopResult]: At program point L1994(line 1994) the Hoare annotation is: true [2020-08-21 21:05:54,202 INFO L264 CegarLoopResult]: At program point L1961(line 1961) the Hoare annotation is: (or (not (= |old(~ldv_state_variable_1~0)| 0)) (= ~ldv_state_variable_1~0 0) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,202 INFO L268 CegarLoopResult]: For program point L1961-1(line 1961) no Hoare annotation was computed. [2020-08-21 21:05:54,202 INFO L268 CegarLoopResult]: For program point L1986(lines 1986 1991) no Hoare annotation was computed. [2020-08-21 21:05:54,202 INFO L271 CegarLoopResult]: At program point L2036(line 2036) the Hoare annotation is: true [2020-08-21 21:05:54,202 INFO L268 CegarLoopResult]: For program point L2003(lines 2003 2030) no Hoare annotation was computed. [2020-08-21 21:05:54,203 INFO L268 CegarLoopResult]: For program point L1970(line 1970) no Hoare annotation was computed. [2020-08-21 21:05:54,203 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1949 2044) no Hoare annotation was computed. [2020-08-21 21:05:54,203 INFO L268 CegarLoopResult]: For program point L2028(line 2028) no Hoare annotation was computed. [2020-08-21 21:05:54,203 INFO L271 CegarLoopResult]: At program point L1987(line 1987) the Hoare annotation is: true [2020-08-21 21:05:54,203 INFO L268 CegarLoopResult]: For program point L1987-1(line 1987) no Hoare annotation was computed. [2020-08-21 21:05:54,203 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1949 2044) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~ref_cnt~0)| ~ref_cnt~0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 |old(~ldv_state_variable_0~0)|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_retval_1~0 |old(~ldv_retval_1~0)|) (= |#memory_int| |old(#memory_int)|) (= ~ldv_retval_0~0 |old(~ldv_retval_0~0)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |old(~ldv_state_variable_1~0)| 0)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,204 INFO L268 CegarLoopResult]: For program point L2012(line 2012) no Hoare annotation was computed. [2020-08-21 21:05:54,204 INFO L268 CegarLoopResult]: For program point L2004(line 2004) no Hoare annotation was computed. [2020-08-21 21:05:54,204 INFO L268 CegarLoopResult]: For program point L1971(lines 1971 1998) no Hoare annotation was computed. [2020-08-21 21:05:54,204 INFO L271 CegarLoopResult]: At program point L2029(line 2029) the Hoare annotation is: true [2020-08-21 21:05:54,204 INFO L264 CegarLoopResult]: At program point L1963(line 1963) the Hoare annotation is: (or (not (= |old(~ldv_state_variable_1~0)| 0)) (= ~ldv_state_variable_1~0 0) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,205 INFO L268 CegarLoopResult]: For program point L1963-1(line 1963) no Hoare annotation was computed. [2020-08-21 21:05:54,205 INFO L268 CegarLoopResult]: For program point L2013(lines 2013 2026) no Hoare annotation was computed. [2020-08-21 21:05:54,205 INFO L271 CegarLoopResult]: At program point L2038(lines 1958 2043) the Hoare annotation is: true [2020-08-21 21:05:54,205 INFO L268 CegarLoopResult]: For program point L2005(lines 2005 2010) no Hoare annotation was computed. [2020-08-21 21:05:54,205 INFO L271 CegarLoopResult]: At program point L2022(lines 1958 2043) the Hoare annotation is: true [2020-08-21 21:05:54,205 INFO L264 CegarLoopResult]: At program point L2014(line 2014) the Hoare annotation is: (or (= ~ldv_state_variable_0~0 1) (not (= |old(~ldv_state_variable_1~0)| 0)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L2014-1(line 2014) no Hoare annotation was computed. [2020-08-21 21:05:54,206 INFO L271 CegarLoopResult]: At program point L2006(line 2006) the Hoare annotation is: true [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L1973(lines 1973 1995) no Hoare annotation was computed. [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L2006-1(line 2006) no Hoare annotation was computed. [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L2015(lines 2015 2019) no Hoare annotation was computed. [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L2015-2(lines 2013 2025) no Hoare annotation was computed. [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L1974(line 1974) no Hoare annotation was computed. [2020-08-21 21:05:54,206 INFO L268 CegarLoopResult]: For program point L2041(line 2041) no Hoare annotation was computed. [2020-08-21 21:05:54,207 INFO L268 CegarLoopResult]: For program point L1975(lines 1975 1983) no Hoare annotation was computed. [2020-08-21 21:05:54,207 INFO L268 CegarLoopResult]: For program point L2000(line 2000) no Hoare annotation was computed. [2020-08-21 21:05:54,207 INFO L264 CegarLoopResult]: At program point L1959(line 1959) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~ref_cnt~0)| ~ref_cnt~0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 |old(~ldv_state_variable_0~0)|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_retval_1~0 |old(~ldv_retval_1~0)|) (= |#memory_int| |old(#memory_int)|) (= ~ldv_retval_0~0 |old(~ldv_retval_0~0)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |old(~ldv_state_variable_1~0)| 0)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,207 INFO L268 CegarLoopResult]: For program point L1959-1(line 1959) no Hoare annotation was computed. [2020-08-21 21:05:54,207 INFO L264 CegarLoopResult]: At program point ns558_initENTRY(lines 1887 1913) the Hoare annotation is: (or (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_spin~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-08-21 21:05:54,207 INFO L268 CegarLoopResult]: For program point ns558_initFINAL(lines 1887 1913) no Hoare annotation was computed. [2020-08-21 21:05:54,207 INFO L271 CegarLoopResult]: At program point L1910(line 1910) the Hoare annotation is: true [2020-08-21 21:05:54,207 INFO L268 CegarLoopResult]: For program point L1910-1(line 1910) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L268 CegarLoopResult]: For program point L1906(lines 1906 1909) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L271 CegarLoopResult]: At program point L1904(line 1904) the Hoare annotation is: true [2020-08-21 21:05:54,208 INFO L268 CegarLoopResult]: For program point L1904-1(line 1904) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L268 CegarLoopResult]: For program point L1896(lines 1896 1899) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L268 CegarLoopResult]: For program point ns558_initEXIT(lines 1887 1913) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L268 CegarLoopResult]: For program point L1911(line 1911) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L268 CegarLoopResult]: For program point L1911-2(line 1911) no Hoare annotation was computed. [2020-08-21 21:05:54,208 INFO L271 CegarLoopResult]: At program point L1907(lines 1893 1912) the Hoare annotation is: true [2020-08-21 21:05:54,208 INFO L271 CegarLoopResult]: At program point L1905(lines 1893 1912) the Hoare annotation is: true [2020-08-21 21:05:54,208 INFO L264 CegarLoopResult]: At program point L1895(line 1895) the Hoare annotation is: (or (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_spin~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-08-21 21:05:54,209 INFO L268 CegarLoopResult]: For program point L1895-1(line 1895) no Hoare annotation was computed. [2020-08-21 21:05:54,209 INFO L268 CegarLoopResult]: For program point msleepEXIT(lines 2149 2151) no Hoare annotation was computed. [2020-08-21 21:05:54,209 INFO L271 CegarLoopResult]: At program point msleepENTRY(lines 2149 2151) the Hoare annotation is: true [2020-08-21 21:05:54,209 INFO L268 CegarLoopResult]: For program point msleepFINAL(lines 2149 2151) no Hoare annotation was computed. [2020-08-21 21:05:54,209 INFO L268 CegarLoopResult]: For program point pnp_resource_lenFINAL(lines 1600 1611) no Hoare annotation was computed. [2020-08-21 21:05:54,209 INFO L268 CegarLoopResult]: For program point pnp_resource_lenEXIT(lines 1600 1611) no Hoare annotation was computed. [2020-08-21 21:05:54,209 INFO L271 CegarLoopResult]: At program point pnp_resource_lenENTRY(lines 1600 1611) the Hoare annotation is: true [2020-08-21 21:05:54,209 INFO L271 CegarLoopResult]: At program point L1608(line 1608) the Hoare annotation is: true [2020-08-21 21:05:54,209 INFO L268 CegarLoopResult]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L268 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L268 CegarLoopResult]: For program point L1604-2(lines 1604 1607) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L268 CegarLoopResult]: For program point pnp_resource_validFINAL(lines 1590 1599) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L268 CegarLoopResult]: For program point pnp_resource_validEXIT(lines 1590 1599) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L271 CegarLoopResult]: At program point pnp_resource_validENTRY(lines 1590 1599) the Hoare annotation is: true [2020-08-21 21:05:54,210 INFO L268 CegarLoopResult]: For program point L1593(lines 1593 1596) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L268 CegarLoopResult]: For program point gameport_free_portEXIT(lines 1575 1581) no Hoare annotation was computed. [2020-08-21 21:05:54,210 INFO L264 CegarLoopResult]: At program point L1578(line 1578) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2020-08-21 21:05:54,210 INFO L264 CegarLoopResult]: At program point gameport_free_portENTRY(lines 1575 1581) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point gameport_free_portFINAL(lines 1575 1581) no Hoare annotation was computed. [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point ldv_stopEXIT(lines 1525 1531) no Hoare annotation was computed. [2020-08-21 21:05:54,211 INFO L271 CegarLoopResult]: At program point ldv_stopENTRY(lines 1525 1531) the Hoare annotation is: true [2020-08-21 21:05:54,211 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 2139 2141) the Hoare annotation is: true [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 2139 2141) no Hoare annotation was computed. [2020-08-21 21:05:54,211 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (or (= |#memory_int| |old(#memory_int)|) (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point ldv_check_alloc_nonatomicEXIT(lines 2078 2087) no Hoare annotation was computed. [2020-08-21 21:05:54,211 INFO L268 CegarLoopResult]: For program point ldv_check_alloc_nonatomicENTRY(lines 2078 2087) no Hoare annotation was computed. [2020-08-21 21:05:54,212 INFO L268 CegarLoopResult]: For program point L2083(line 2083) no Hoare annotation was computed. [2020-08-21 21:05:54,212 INFO L268 CegarLoopResult]: For program point L2083-1(lines 2078 2087) no Hoare annotation was computed. [2020-08-21 21:05:54,212 INFO L271 CegarLoopResult]: At program point __gameport_register_portENTRY(lines 2115 2117) the Hoare annotation is: true [2020-08-21 21:05:54,212 INFO L268 CegarLoopResult]: For program point __gameport_register_portFINAL(lines 2115 2117) no Hoare annotation was computed. [2020-08-21 21:05:54,212 INFO L268 CegarLoopResult]: For program point __gameport_register_portEXIT(lines 2115 2117) no Hoare annotation was computed. [2020-08-21 21:05:54,212 INFO L268 CegarLoopResult]: For program point ns558_exitFINAL(lines 1914 1943) no Hoare annotation was computed. [2020-08-21 21:05:54,212 INFO L271 CegarLoopResult]: At program point L1940(line 1940) the Hoare annotation is: true [2020-08-21 21:05:54,212 INFO L271 CegarLoopResult]: At program point L1937(lines 1921 1942) the Hoare annotation is: true [2020-08-21 21:05:54,213 INFO L271 CegarLoopResult]: At program point L1935(lines 1921 1942) the Hoare annotation is: true [2020-08-21 21:05:54,213 INFO L264 CegarLoopResult]: At program point ns558_exitENTRY(lines 1914 1943) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-21 21:05:54,213 INFO L271 CegarLoopResult]: At program point L1931(line 1931) the Hoare annotation is: true [2020-08-21 21:05:54,213 INFO L268 CegarLoopResult]: For program point L1931-1(line 1931) no Hoare annotation was computed. [2020-08-21 21:05:54,213 INFO L271 CegarLoopResult]: At program point L1929(lines 1929 1930) the Hoare annotation is: true [2020-08-21 21:05:54,213 INFO L268 CegarLoopResult]: For program point ns558_exitEXIT(lines 1914 1943) no Hoare annotation was computed. [2020-08-21 21:05:54,213 INFO L271 CegarLoopResult]: At program point L1928(line 1928) the Hoare annotation is: true [2020-08-21 21:05:54,213 INFO L268 CegarLoopResult]: For program point L1929-1(lines 1929 1930) no Hoare annotation was computed. [2020-08-21 21:05:54,213 INFO L268 CegarLoopResult]: For program point L1928-1(line 1928) no Hoare annotation was computed. [2020-08-21 21:05:54,214 INFO L271 CegarLoopResult]: At program point strlcpyENTRY(lines 2167 2169) the Hoare annotation is: true [2020-08-21 21:05:54,214 INFO L268 CegarLoopResult]: For program point strlcpyFINAL(lines 2167 2169) no Hoare annotation was computed. [2020-08-21 21:05:54,214 INFO L268 CegarLoopResult]: For program point strlcpyEXIT(lines 2167 2169) no Hoare annotation was computed. [2020-08-21 21:05:54,214 INFO L268 CegarLoopResult]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2020-08-21 21:05:54,214 INFO L264 CegarLoopResult]: At program point pnp_port_startENTRY(lines 1612 1627) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,214 INFO L268 CegarLoopResult]: For program point pnp_port_startFINAL(lines 1612 1627) no Hoare annotation was computed. [2020-08-21 21:05:54,214 INFO L268 CegarLoopResult]: For program point L1621(lines 1621 1624) no Hoare annotation was computed. [2020-08-21 21:05:54,214 INFO L271 CegarLoopResult]: At program point L1620(line 1620) the Hoare annotation is: true [2020-08-21 21:05:54,215 INFO L268 CegarLoopResult]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2020-08-21 21:05:54,215 INFO L268 CegarLoopResult]: For program point pnp_port_startEXIT(lines 1612 1627) no Hoare annotation was computed. [2020-08-21 21:05:54,215 INFO L264 CegarLoopResult]: At program point L1618(line 1618) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,215 INFO L268 CegarLoopResult]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2020-08-21 21:05:54,215 INFO L268 CegarLoopResult]: For program point gameport_allocate_portEXIT(lines 1565 1574) no Hoare annotation was computed. [2020-08-21 21:05:54,215 INFO L271 CegarLoopResult]: At program point gameport_allocate_portENTRY(lines 1565 1574) the Hoare annotation is: true [2020-08-21 21:05:54,215 INFO L268 CegarLoopResult]: For program point gameport_allocate_portFINAL(lines 1565 1574) no Hoare annotation was computed. [2020-08-21 21:05:54,215 INFO L271 CegarLoopResult]: At program point L1570(line 1570) the Hoare annotation is: true [2020-08-21 21:05:54,215 INFO L271 CegarLoopResult]: At program point pnp_unregister_driverENTRY(lines 2159 2161) the Hoare annotation is: true [2020-08-21 21:05:54,215 INFO L268 CegarLoopResult]: For program point pnp_unregister_driverEXIT(lines 2159 2161) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point pnp_unregister_driverFINAL(lines 2159 2161) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_spin_unlockENTRY(lines 2095 2101) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_spin_unlockFINAL(lines 2095 2101) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_spin_unlockEXIT(lines 2095 2101) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_spin_lockEXIT(lines 2088 2094) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_spin_lockENTRY(lines 2088 2094) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_spin_lockFINAL(lines 2088 2094) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L264 CegarLoopResult]: At program point ldv_mallocENTRY(lines 1468 1484) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,216 INFO L271 CegarLoopResult]: At program point L1480(line 1480) the Hoare annotation is: true [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point L1480-1(line 1480) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_mallocFINAL(lines 1468 1484) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point L1475(lines 1475 1482) no Hoare annotation was computed. [2020-08-21 21:05:54,216 INFO L268 CegarLoopResult]: For program point ldv_mallocEXIT(lines 1468 1484) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L271 CegarLoopResult]: At program point L1649(line 1649) the Hoare annotation is: true [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point L1648(lines 1648 1652) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point L1649-1(line 1649) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L271 CegarLoopResult]: At program point L1647(line 1647) the Hoare annotation is: true [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L264 CegarLoopResult]: At program point L1645(line 1645) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point pnp_port_lenEXIT(lines 1638 1655) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L264 CegarLoopResult]: At program point pnp_port_lenENTRY(lines 1638 1655) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point pnp_port_lenFINAL(lines 1638 1655) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L271 CegarLoopResult]: At program point list_addENTRY(lines 1404 1410) the Hoare annotation is: true [2020-08-21 21:05:54,217 INFO L271 CegarLoopResult]: At program point L1407(line 1407) the Hoare annotation is: true [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point L1407-1(line 1407) no Hoare annotation was computed. [2020-08-21 21:05:54,217 INFO L268 CegarLoopResult]: For program point list_addFINAL(lines 1404 1410) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 1404 1410) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point ldv_check_alloc_flagsEXIT(lines 2055 2064) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L264 CegarLoopResult]: At program point L2060(line 2060) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point L2060-1(lines 2055 2064) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L271 CegarLoopResult]: At program point ldv_check_alloc_flagsENTRY(lines 2055 2064) the Hoare annotation is: true [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point L2058(lines 2058 2061) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L271 CegarLoopResult]: At program point __release_regionENTRY(lines 2121 2123) the Hoare annotation is: true [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point __release_regionFINAL(lines 2121 2123) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point __release_regionEXIT(lines 2121 2123) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 2171 2173) no Hoare annotation was computed. [2020-08-21 21:05:54,218 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 2171 2173) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 2171 2173) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point printkFINAL(lines 2163 2165) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point printkENTRY(lines 2163 2165) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point printkEXIT(lines 2163 2165) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point ldv_spin_trylockENTRY(lines 2102 2114) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point L2106(line 2106) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point L2107(lines 2107 2112) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point L2106-1(line 2106) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point ldv_spin_trylockFINAL(lines 2102 2114) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point ldv_spin_trylockEXIT(lines 2102 2114) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point list_add_tailFINAL(lines 1411 1417) no Hoare annotation was computed. [2020-08-21 21:05:54,219 INFO L271 CegarLoopResult]: At program point list_add_tailENTRY(lines 1411 1417) the Hoare annotation is: true [2020-08-21 21:05:54,219 INFO L271 CegarLoopResult]: At program point L1414(line 1414) the Hoare annotation is: true [2020-08-21 21:05:54,219 INFO L268 CegarLoopResult]: For program point L1414-1(line 1414) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point list_add_tailEXIT(lines 1411 1417) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point kmem_cache_allocFINAL(lines 2133 2135) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point kmem_cache_allocEXIT(lines 2133 2135) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point L2134(line 2134) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point kmem_cache_allocENTRY(lines 2133 2135) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point L2134-1(line 2134) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L271 CegarLoopResult]: At program point L1585(line 1585) the Hoare annotation is: true [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point gameport_set_nameEXIT(lines 1582 1588) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L271 CegarLoopResult]: At program point gameport_set_nameENTRY(lines 1582 1588) the Hoare annotation is: true [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point gameport_set_nameFINAL(lines 1582 1588) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L268 CegarLoopResult]: For program point ldv_errorFINAL(lines 1518 1524) no Hoare annotation was computed. [2020-08-21 21:05:54,220 INFO L271 CegarLoopResult]: At program point ldv_errorENTRY(lines 1518 1524) the Hoare annotation is: true [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point ldv_errorEXIT(lines 1518 1524) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L271 CegarLoopResult]: At program point L2049(line 2049) the Hoare annotation is: true [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point L2049-1(line 2049) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point kzallocEXIT(lines 2046 2052) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L271 CegarLoopResult]: At program point kzallocENTRY(lines 2046 2052) the Hoare annotation is: true [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point kzallocFINAL(lines 2046 2052) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L271 CegarLoopResult]: At program point L1761(line 1761) the Hoare annotation is: true [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point L1761-1(lines 1682 1804) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point L1695(line 1695) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L268 CegarLoopResult]: For program point ns558_isa_probeFINAL(lines 1664 1805) no Hoare annotation was computed. [2020-08-21 21:05:54,221 INFO L271 CegarLoopResult]: At program point L1786(line 1786) the Hoare annotation is: true [2020-08-21 21:05:54,222 INFO L268 CegarLoopResult]: For program point L1786-1(line 1786) no Hoare annotation was computed. [2020-08-21 21:05:54,222 INFO L268 CegarLoopResult]: For program point L1778(lines 1778 1781) no Hoare annotation was computed. [2020-08-21 21:05:54,222 INFO L268 CegarLoopResult]: For program point L1712(line 1712) no Hoare annotation was computed. [2020-08-21 21:05:54,222 INFO L271 CegarLoopResult]: At program point L1770(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,222 INFO L271 CegarLoopResult]: At program point L1737(line 1737) the Hoare annotation is: true [2020-08-21 21:05:54,222 INFO L264 CegarLoopResult]: At program point ns558_isa_probeENTRY(lines 1664 1805) the Hoare annotation is: (or (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_spin~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-08-21 21:05:54,222 INFO L271 CegarLoopResult]: At program point L1729(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,222 INFO L268 CegarLoopResult]: For program point L1787(lines 1787 1794) no Hoare annotation was computed. [2020-08-21 21:05:54,222 INFO L268 CegarLoopResult]: For program point L1721(line 1721) no Hoare annotation was computed. [2020-08-21 21:05:54,222 INFO L268 CegarLoopResult]: For program point L1738(lines 1738 1739) no Hoare annotation was computed. [2020-08-21 21:05:54,222 INFO L271 CegarLoopResult]: At program point L1705(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1763(line 1763) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L268 CegarLoopResult]: For program point L1722(lines 1722 1727) no Hoare annotation was computed. [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1689(line 1689) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L268 CegarLoopResult]: For program point L1689-1(line 1689) no Hoare annotation was computed. [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1731(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L268 CegarLoopResult]: For program point ns558_isa_probeEXIT(lines 1664 1805) no Hoare annotation was computed. [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1789(line 1789) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1756(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1789-1(line 1789) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1723(line 1723) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1690(line 1690) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1723-1(line 1723) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1690-1(line 1690) the Hoare annotation is: true [2020-08-21 21:05:54,223 INFO L271 CegarLoopResult]: At program point L1773(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,224 INFO L268 CegarLoopResult]: For program point L1740(lines 1740 1743) no Hoare annotation was computed. [2020-08-21 21:05:54,224 INFO L271 CegarLoopResult]: At program point L1707(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,224 INFO L271 CegarLoopResult]: At program point L1790(line 1790) the Hoare annotation is: true [2020-08-21 21:05:54,224 INFO L268 CegarLoopResult]: For program point L1724(line 1724) no Hoare annotation was computed. [2020-08-21 21:05:54,224 INFO L268 CegarLoopResult]: For program point L1691(line 1691) no Hoare annotation was computed. [2020-08-21 21:05:54,224 INFO L268 CegarLoopResult]: For program point L1749(line 1749) no Hoare annotation was computed. [2020-08-21 21:05:54,224 INFO L271 CegarLoopResult]: At program point L1716(line 1716) the Hoare annotation is: true [2020-08-21 21:05:54,224 INFO L264 CegarLoopResult]: At program point L1683(lines 1683 1684) the Hoare annotation is: (or (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_spin~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-08-21 21:05:54,224 INFO L271 CegarLoopResult]: At program point L1716-1(line 1716) the Hoare annotation is: true [2020-08-21 21:05:54,224 INFO L268 CegarLoopResult]: For program point L1683-1(lines 1683 1684) no Hoare annotation was computed. [2020-08-21 21:05:54,225 INFO L271 CegarLoopResult]: At program point L1799(line 1799) the Hoare annotation is: true [2020-08-21 21:05:54,225 INFO L271 CegarLoopResult]: At program point L1799-1(line 1799) the Hoare annotation is: true [2020-08-21 21:05:54,225 INFO L268 CegarLoopResult]: For program point L1791(line 1791) no Hoare annotation was computed. [2020-08-21 21:05:54,225 INFO L271 CegarLoopResult]: At program point L1758(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,225 INFO L271 CegarLoopResult]: At program point L1750(line 1750) the Hoare annotation is: true [2020-08-21 21:05:54,225 INFO L268 CegarLoopResult]: For program point L1717(line 1717) no Hoare annotation was computed. [2020-08-21 21:05:54,225 INFO L268 CegarLoopResult]: For program point L1750-1(line 1750) no Hoare annotation was computed. [2020-08-21 21:05:54,225 INFO L268 CegarLoopResult]: For program point L1775(lines 1775 1783) no Hoare annotation was computed. [2020-08-21 21:05:54,225 INFO L271 CegarLoopResult]: At program point L1775-2(lines 1775 1783) the Hoare annotation is: true [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1693(lines 1693 1698) no Hoare annotation was computed. [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1784(line 1784) no Hoare annotation was computed. [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1751(lines 1751 1754) no Hoare annotation was computed. [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1685(lines 1685 1688) no Hoare annotation was computed. [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1751-2(lines 1751 1754) no Hoare annotation was computed. [2020-08-21 21:05:54,226 INFO L271 CegarLoopResult]: At program point L1776(lines 1776 1777) the Hoare annotation is: true [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1776-1(lines 1776 1777) no Hoare annotation was computed. [2020-08-21 21:05:54,226 INFO L268 CegarLoopResult]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1801(line 1801) the Hoare annotation is: true [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1768(lines 1682 1804) the Hoare annotation is: true [2020-08-21 21:05:54,227 INFO L268 CegarLoopResult]: For program point L1702(line 1702) no Hoare annotation was computed. [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1694(line 1694) the Hoare annotation is: true [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1694-1(line 1694) the Hoare annotation is: true [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1744(line 1744) the Hoare annotation is: true [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1711(line 1711) the Hoare annotation is: true [2020-08-21 21:05:54,227 INFO L268 CegarLoopResult]: For program point L1744-1(line 1744) no Hoare annotation was computed. [2020-08-21 21:05:54,227 INFO L271 CegarLoopResult]: At program point L1711-1(line 1711) the Hoare annotation is: true [2020-08-21 21:05:54,228 INFO L268 CegarLoopResult]: For program point L1802(line 1802) no Hoare annotation was computed. [2020-08-21 21:05:54,228 INFO L268 CegarLoopResult]: For program point ldv_release_1FINAL(lines 2143 2145) no Hoare annotation was computed. [2020-08-21 21:05:54,228 INFO L268 CegarLoopResult]: For program point ldv_release_1EXIT(lines 2143 2145) no Hoare annotation was computed. [2020-08-21 21:05:54,228 INFO L271 CegarLoopResult]: At program point ldv_release_1ENTRY(lines 2143 2145) the Hoare annotation is: true [2020-08-21 21:05:54,228 INFO L268 CegarLoopResult]: For program point L1856(lines 1856 1859) no Hoare annotation was computed. [2020-08-21 21:05:54,228 INFO L271 CegarLoopResult]: At program point L1854(lines 1854 1855) the Hoare annotation is: true [2020-08-21 21:05:54,228 INFO L268 CegarLoopResult]: For program point L1854-1(lines 1854 1855) no Hoare annotation was computed. [2020-08-21 21:05:54,228 INFO L271 CegarLoopResult]: At program point L1852(line 1852) the Hoare annotation is: true [2020-08-21 21:05:54,229 INFO L268 CegarLoopResult]: For program point L1852-1(line 1852) no Hoare annotation was computed. [2020-08-21 21:05:54,229 INFO L271 CegarLoopResult]: At program point L1850(line 1850) the Hoare annotation is: true [2020-08-21 21:05:54,229 INFO L268 CegarLoopResult]: For program point L1850-1(line 1850) no Hoare annotation was computed. [2020-08-21 21:05:54,229 INFO L271 CegarLoopResult]: At program point L1879(line 1879) the Hoare annotation is: true [2020-08-21 21:05:54,229 INFO L271 CegarLoopResult]: At program point L1879-1(line 1879) the Hoare annotation is: true [2020-08-21 21:05:54,229 INFO L264 CegarLoopResult]: At program point L1844(line 1844) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,229 INFO L268 CegarLoopResult]: For program point L1844-1(line 1844) no Hoare annotation was computed. [2020-08-21 21:05:54,229 INFO L268 CegarLoopResult]: For program point L1875(line 1875) no Hoare annotation was computed. [2020-08-21 21:05:54,229 INFO L268 CegarLoopResult]: For program point ns558_pnp_probeEXIT(lines 1831 1883) no Hoare annotation was computed. [2020-08-21 21:05:54,230 INFO L264 CegarLoopResult]: At program point ns558_pnp_probeENTRY(lines 1831 1883) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,230 INFO L271 CegarLoopResult]: At program point L1865(line 1865) the Hoare annotation is: true [2020-08-21 21:05:54,230 INFO L271 CegarLoopResult]: At program point L1865-1(line 1865) the Hoare annotation is: true [2020-08-21 21:05:54,230 INFO L268 CegarLoopResult]: For program point L1863(lines 1863 1869) no Hoare annotation was computed. [2020-08-21 21:05:54,230 INFO L268 CegarLoopResult]: For program point L1880(line 1880) no Hoare annotation was computed. [2020-08-21 21:05:54,230 INFO L268 CegarLoopResult]: For program point L1845(lines 1845 1849) no Hoare annotation was computed. [2020-08-21 21:05:54,230 INFO L271 CegarLoopResult]: At program point L1874(line 1874) the Hoare annotation is: true [2020-08-21 21:05:54,230 INFO L271 CegarLoopResult]: At program point L1874-1(line 1874) the Hoare annotation is: true [2020-08-21 21:05:54,231 INFO L268 CegarLoopResult]: For program point ns558_pnp_probeFINAL(lines 1831 1883) no Hoare annotation was computed. [2020-08-21 21:05:54,231 INFO L268 CegarLoopResult]: For program point L1866(line 1866) no Hoare annotation was computed. [2020-08-21 21:05:54,231 INFO L271 CegarLoopResult]: At program point L1862(line 1862) the Hoare annotation is: true [2020-08-21 21:05:54,231 INFO L268 CegarLoopResult]: For program point L1862-1(line 1862) no Hoare annotation was computed. [2020-08-21 21:05:54,231 INFO L271 CegarLoopResult]: At program point L1860(line 1860) the Hoare annotation is: true [2020-08-21 21:05:54,231 INFO L268 CegarLoopResult]: For program point L1860-1(line 1860) no Hoare annotation was computed. [2020-08-21 21:05:54,231 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongENTRY(lines 1510 1517) no Hoare annotation was computed. [2020-08-21 21:05:54,231 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongEXIT(lines 1510 1517) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongFINAL(lines 1510 1517) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point inbEXIT(lines 1442 1449) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L271 CegarLoopResult]: At program point inbENTRY(lines 1442 1449) the Hoare annotation is: true [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point inbFINAL(lines 1442 1449) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point kobject_nameEXIT(lines 1450 1455) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L271 CegarLoopResult]: At program point kobject_nameENTRY(lines 1450 1455) the Hoare annotation is: true [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point kobject_nameFINAL(lines 1450 1455) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point gameport_set_physFINAL(lines 2127 2129) no Hoare annotation was computed. [2020-08-21 21:05:54,232 INFO L268 CegarLoopResult]: For program point gameport_set_physEXIT(lines 2127 2129) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point gameport_set_physENTRY(lines 2127 2129) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point ldv__builtin_expectFINAL(lines 1532 1537) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point ldv__builtin_expectENTRY(lines 1532 1537) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point ldv__builtin_expectEXIT(lines 1532 1537) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point outbEXIT(lines 1435 1441) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L271 CegarLoopResult]: At program point outbENTRY(lines 1435 1441) the Hoare annotation is: true [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point outbFINAL(lines 1435 1441) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point dev_nameEXIT(lines 1550 1561) no Hoare annotation was computed. [2020-08-21 21:05:54,233 INFO L271 CegarLoopResult]: At program point dev_nameENTRY(lines 1550 1561) the Hoare annotation is: true [2020-08-21 21:05:54,233 INFO L268 CegarLoopResult]: For program point dev_nameFINAL(lines 1550 1561) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L271 CegarLoopResult]: At program point L1558(line 1558) the Hoare annotation is: true [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point L1554(lines 1554 1557) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point ldv_check_alloc_flags_and_return_some_pageFINAL(lines 2066 2077) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point L2074(line 2074) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point ldv_check_alloc_flags_and_return_some_pageENTRY(lines 2066 2077) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point L2072(line 2072) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point L2072-1(lines 2070 2073) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point L2070(lines 2070 2073) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L268 CegarLoopResult]: For program point ldv_check_alloc_flags_and_return_some_pageEXIT(lines 2066 2077) no Hoare annotation was computed. [2020-08-21 21:05:54,234 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 1465 1467) the Hoare annotation is: true [2020-08-21 21:05:54,235 INFO L268 CegarLoopResult]: For program point L1466(line 1466) no Hoare annotation was computed. [2020-08-21 21:05:54,235 INFO L268 CegarLoopResult]: For program point L1466-2(lines 1465 1467) no Hoare annotation was computed. [2020-08-21 21:05:54,235 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 1465 1467) no Hoare annotation was computed. [2020-08-21 21:05:54,235 INFO L264 CegarLoopResult]: At program point __request_regionENTRY(lines 2124 2126) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,235 INFO L268 CegarLoopResult]: For program point L2125-1(line 2125) no Hoare annotation was computed. [2020-08-21 21:05:54,235 INFO L264 CegarLoopResult]: At program point L2125(line 2125) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,235 INFO L268 CegarLoopResult]: For program point __request_regionEXIT(lines 2124 2126) no Hoare annotation was computed. [2020-08-21 21:05:54,235 INFO L268 CegarLoopResult]: For program point __request_regionFINAL(lines 2124 2126) no Hoare annotation was computed. [2020-08-21 21:05:54,235 INFO L264 CegarLoopResult]: At program point pnp_port_validENTRY(lines 1628 1637) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,236 INFO L264 CegarLoopResult]: At program point L1633(line 1633) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,236 INFO L268 CegarLoopResult]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2020-08-21 21:05:54,236 INFO L268 CegarLoopResult]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2020-08-21 21:05:54,236 INFO L268 CegarLoopResult]: For program point pnp_port_validFINAL(lines 1628 1637) no Hoare annotation was computed. [2020-08-21 21:05:54,236 INFO L268 CegarLoopResult]: For program point pnp_port_validEXIT(lines 1628 1637) no Hoare annotation was computed. [2020-08-21 21:05:54,236 INFO L271 CegarLoopResult]: At program point L1634(line 1634) the Hoare annotation is: true [2020-08-21 21:05:54,236 INFO L271 CegarLoopResult]: At program point resource_sizeENTRY(lines 1426 1431) the Hoare annotation is: true [2020-08-21 21:05:54,236 INFO L268 CegarLoopResult]: For program point resource_sizeFINAL(lines 1426 1431) no Hoare annotation was computed. [2020-08-21 21:05:54,236 INFO L268 CegarLoopResult]: For program point resource_sizeEXIT(lines 1426 1431) no Hoare annotation was computed. [2020-08-21 21:05:54,237 INFO L268 CegarLoopResult]: For program point ldv__builtin_trapENTRY(lines 1538 1544) no Hoare annotation was computed. [2020-08-21 21:05:54,237 INFO L268 CegarLoopResult]: For program point ldv__builtin_trapEXIT(lines 1538 1544) no Hoare annotation was computed. [2020-08-21 21:05:54,237 INFO L268 CegarLoopResult]: For program point ldv__builtin_trapFINAL(lines 1538 1544) no Hoare annotation was computed. [2020-08-21 21:05:54,237 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:05:54,237 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string65.base)| |#t~string65.base|) (= |old(#length)| |#length|) (= |old(#t~string76.offset)| |#t~string76.offset|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(~#pnp_devids~0.base)| |~#pnp_devids~0.base|) (= |old(#valid)| |#valid|) (= |~#ns558_list~0.base| |old(~#ns558_list~0.base)|) (= |old(#t~string87.base)| |#t~string87.base|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string90.base)| |#t~string90.base|) (= ~ldv_state_variable_0~0 |old(~ldv_state_variable_0~0)|) (= |old(~#ns558_pnp_driver~0.offset)| |~#ns558_pnp_driver~0.offset|) (= |old(~#pnp_devids~0.offset)| |~#pnp_devids~0.offset|) (= |#t~string90.offset| |old(#t~string90.offset)|) (= ~ldv_retval_0~0 |old(~ldv_retval_0~0)|) (= |old(#t~string79.base)| |#t~string79.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |~#ns558_isa_portlist~0.base| |old(~#ns558_isa_portlist~0.base)|) (= ~__mod_pnp__pnp_devids_device_table~0.id |old(~__mod_pnp__pnp_devids_device_table~0.id)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |old(#t~string91.offset)| |#t~string91.offset|) (= |old(~ref_cnt~0)| ~ref_cnt~0) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= |old(~#ns558_list~0.offset)| |~#ns558_list~0.offset|) (= |old(#t~string88.offset)| |#t~string88.offset|) (= |old(#t~string88.base)| |#t~string88.base|) (= |~#ns558_pnp_driver~0.base| |old(~#ns558_pnp_driver~0.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#t~string75.base)| |#t~string75.base|) (= |old(#t~string82.base)| |#t~string82.base|) (= |old(~__mod_pnp__pnp_devids_device_table~0.driver_data)| ~__mod_pnp__pnp_devids_device_table~0.driver_data) (= ~ldv_spin~0 |old(~ldv_spin~0)|) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |~#ns558_isa_portlist~0.offset| |old(~#ns558_isa_portlist~0.offset)|) (= |old(#t~string74.base)| |#t~string74.base|) (= ~ldv_retval_1~0 |old(~ldv_retval_1~0)|) (= |old(#t~string75.offset)| |#t~string75.offset|) (= |old(~LDV_IN_INTERRUPT~0)| ~LDV_IN_INTERRUPT~0) (= |#t~string82.offset| |old(#t~string82.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#t~string91.base)| |#t~string91.base|) (= |#t~string87.offset| |old(#t~string87.offset)|)) [2020-08-21 21:05:54,237 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:05:54,237 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateFINAL(lines 2136 2138) the Hoare annotation is: true [2020-08-21 21:05:54,237 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 2136 2138) no Hoare annotation was computed. [2020-08-21 21:05:54,238 INFO L271 CegarLoopResult]: At program point gameport_unregister_portENTRY(lines 2130 2132) the Hoare annotation is: true [2020-08-21 21:05:54,238 INFO L268 CegarLoopResult]: For program point gameport_unregister_portFINAL(lines 2130 2132) no Hoare annotation was computed. [2020-08-21 21:05:54,238 INFO L268 CegarLoopResult]: For program point gameport_unregister_portEXIT(lines 2130 2132) no Hoare annotation was computed. [2020-08-21 21:05:54,238 INFO L271 CegarLoopResult]: At program point L1497(line 1497) the Hoare annotation is: true [2020-08-21 21:05:54,238 INFO L268 CegarLoopResult]: For program point L1497-1(line 1497) no Hoare annotation was computed. [2020-08-21 21:05:54,238 INFO L268 CegarLoopResult]: For program point ldv_zallocEXIT(lines 1485 1501) no Hoare annotation was computed. [2020-08-21 21:05:54,238 INFO L271 CegarLoopResult]: At program point L1495(line 1495) the Hoare annotation is: true [2020-08-21 21:05:54,238 INFO L268 CegarLoopResult]: For program point L1495-1(line 1495) no Hoare annotation was computed. [2020-08-21 21:05:54,238 INFO L264 CegarLoopResult]: At program point ldv_zallocENTRY(lines 1485 1501) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_spin~0 0))) [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point L1492(lines 1492 1499) no Hoare annotation was computed. [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point ldv_zallocFINAL(lines 1485 1501) no Hoare annotation was computed. [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:05:54,239 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2020-08-21 21:05:54,239 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point pnp_register_driverFINAL(lines 2156 2158) no Hoare annotation was computed. [2020-08-21 21:05:54,239 INFO L271 CegarLoopResult]: At program point pnp_register_driverENTRY(lines 2156 2158) the Hoare annotation is: true [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point pnp_register_driverEXIT(lines 2156 2158) no Hoare annotation was computed. [2020-08-21 21:05:54,239 INFO L268 CegarLoopResult]: For program point ldv_some_pageEXIT(lines 2146 2148) no Hoare annotation was computed. [2020-08-21 21:05:54,240 INFO L268 CegarLoopResult]: For program point ldv_some_pageENTRY(lines 2146 2148) no Hoare annotation was computed. [2020-08-21 21:05:54,240 INFO L268 CegarLoopResult]: For program point ldv_some_pageFINAL(lines 2146 2148) no Hoare annotation was computed. [2020-08-21 21:05:54,240 INFO L268 CegarLoopResult]: For program point L2147(line 2147) no Hoare annotation was computed. [2020-08-21 21:05:54,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:05:54 BoogieIcfgContainer [2020-08-21 21:05:54,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:05:54,258 INFO L168 Benchmark]: Toolchain (without parser) took 55701.85 ms. Allocated memory was 139.5 MB in the beginning and 665.3 MB in the end (delta: 525.9 MB). Free memory was 99.5 MB in the beginning and 91.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 534.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:05:54,259 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. [2020-08-21 21:05:54,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1233.54 ms. Allocated memory was 139.5 MB in the beginning and 210.8 MB in the end (delta: 71.3 MB). Free memory was 99.5 MB in the beginning and 155.6 MB in the end (delta: -56.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2020-08-21 21:05:54,263 INFO L168 Benchmark]: Boogie Preprocessor took 206.41 ms. Allocated memory is still 210.8 MB. Free memory was 155.6 MB in the beginning and 149.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-08-21 21:05:54,268 INFO L168 Benchmark]: RCFGBuilder took 1639.80 ms. Allocated memory was 210.8 MB in the beginning and 238.0 MB in the end (delta: 27.3 MB). Free memory was 149.3 MB in the beginning and 126.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:05:54,270 INFO L168 Benchmark]: TraceAbstraction took 52615.55 ms. Allocated memory was 238.0 MB in the beginning and 665.3 MB in the end (delta: 427.3 MB). Free memory was 124.6 MB in the beginning and 91.5 MB in the end (delta: 33.1 MB). Peak memory consumption was 460.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:05:54,279 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1233.54 ms. Allocated memory was 139.5 MB in the beginning and 210.8 MB in the end (delta: 71.3 MB). Free memory was 99.5 MB in the beginning and 155.6 MB in the end (delta: -56.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.41 ms. Allocated memory is still 210.8 MB. Free memory was 155.6 MB in the beginning and 149.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1639.80 ms. Allocated memory was 210.8 MB in the beginning and 238.0 MB in the end (delta: 27.3 MB). Free memory was 149.3 MB in the beginning and 126.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52615.55 ms. Allocated memory was 238.0 MB in the beginning and 665.3 MB in the end (delta: 427.3 MB). Free memory was 124.6 MB in the beginning and 91.5 MB in the end (delta: 33.1 MB). Peak memory consumption was 460.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1522]: 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: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1958]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1958]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1682]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 58 procedures, 384 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.1s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 37.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4349 SDtfs, 5473 SDslu, 11734 SDs, 0 SdLazy, 11630 SolverSat, 3605 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 558 GetRequests, 430 SyntacticMatches, 2 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=550occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1707 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 137 LocationsWithAnnotation, 2494 PreInvPairs, 2713 NumberOfFragments, 696 HoareAnnotationTreeSize, 2494 FomulaSimplifications, 909267 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 137 FomulaSimplificationsInter, 13292 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1493 NumberOfCodeBlocks, 1493 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1482 ConstructedInterpolants, 0 QuantifiedInterpolants, 568051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 570/600 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...