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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:08:51,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:08:51,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:08:51,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:08:51,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:08:51,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:08:51,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:08:51,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:08:51,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:08:51,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:08:51,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:08:51,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:08:51,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:08:51,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:08:51,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:08:51,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:08:51,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:08:51,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:08:51,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:08:51,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:08:51,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:08:51,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:08:51,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:08:51,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:08:51,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:08:51,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:08:51,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:08:51,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:08:51,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:08:51,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:08:51,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:08:51,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:08:51,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:08:51,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:08:51,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:08:51,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:08:51,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:08:51,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:08:51,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:08:51,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:08:51,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:08:51,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:08:51,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:08:51,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:08:51,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:08:51,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:08:51,410 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:08:51,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:08:51,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:08:51,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:08:51,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:08:51,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:08:51,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:08:51,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:08:51,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:08:51,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:08:51,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:08:51,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:08:51,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:08:51,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:08:51,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:08:51,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:08:51,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:08:51,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:08:51,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:08:51,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:08:51,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:08:51,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:08:51,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:08:51,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:08:51,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:08:51,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:08:51,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:08:51,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:08:51,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:08:51,489 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:08:51,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-09-20 13:08:51,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0e8e4794/3e5c813764474c5fba609268c0cecae0/FLAG417395e1f [2019-09-20 13:08:52,354 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:08:52,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-09-20 13:08:52,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0e8e4794/3e5c813764474c5fba609268c0cecae0/FLAG417395e1f [2019-09-20 13:08:52,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0e8e4794/3e5c813764474c5fba609268c0cecae0 [2019-09-20 13:08:52,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:08:52,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:08:52,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:08:52,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:08:52,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:08:52,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:08:52" (1/1) ... [2019-09-20 13:08:52,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630350c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:52, skipping insertion in model container [2019-09-20 13:08:52,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:08:52" (1/1) ... [2019-09-20 13:08:52,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:08:53,029 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:08:54,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:08:55,009 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:08:55,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:08:55,798 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:08:55,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55 WrapperNode [2019-09-20 13:08:55,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:08:55,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:08:55,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:08:55,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:08:55,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:55,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:55,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:55,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:56,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:56,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:56,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... [2019-09-20 13:08:56,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:08:56,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:08:56,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:08:56,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:08:56,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:08:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:08:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:08:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-09-20 13:08:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:08:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-09-20 13:08:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:08:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:08:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 13:08:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:08:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 13:08:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-09-20 13:08:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:08:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-20 13:08:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:08:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:08:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-09-20 13:08:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-09-20 13:08:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-20 13:08:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:08:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2019-09-20 13:08:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-09-20 13:08:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:08:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:08:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-09-20 13:08:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-09-20 13:08:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-20 13:08:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:08:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:08:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-09-20 13:08:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-09-20 13:08:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2019-09-20 13:08:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2019-09-20 13:08:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2019-09-20 13:08:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-09-20 13:08:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2019-09-20 13:08:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2019-09-20 13:08:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2019-09-20 13:08:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2019-09-20 13:08:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2019-09-20 13:08:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2019-09-20 13:08:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-09-20 13:08:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2019-09-20 13:08:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2019-09-20 13:08:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2019-09-20 13:08:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2019-09-20 13:08:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_aops [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_direct_write [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_write [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_send [2019-09-20 13:08:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_splice_actor [2019-09-20 13:08:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_direct_splice_actor [2019-09-20 13:08:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_receive [2019-09-20 13:08:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_receive [2019-09-20 13:08:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bio_filebacked [2019-09-20 13:08:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add_bio [2019-09-20 13:08:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_bio [2019-09-20 13:08:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2019-09-20 13:08:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_bio [2019-09-20 13:08:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_thread [2019-09-20 13:08:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2019-09-20 13:08:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2019-09-20 13:08:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2019-09-20 13:08:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2019-09-20 13:08:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2019-09-20 13:08:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2019-09-20 13:08:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2019-09-20 13:08:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2019-09-20 13:08:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2019-09-20 13:08:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2019-09-20 13:08:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2019-09-20 13:08:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2019-09-20 13:08:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2019-09-20 13:08:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2019-09-20 13:08:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2019-09-20 13:08:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2019-09-20 13:08:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2019-09-20 13:08:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2019-09-20 13:08:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2019-09-20 13:08:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2019-09-20 13:08:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2019-09-20 13:08:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2019-09-20 13:08:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2019-09-20 13:08:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2019-09-20 13:08:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2019-09-20 13:08:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2019-09-20 13:08:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2019-09-20 13:08:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2019-09-20 13:08:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2019-09-20 13:08:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2019-09-20 13:08:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2019-09-20 13:08:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2019-09-20 13:08:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2019-09-20 13:08:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2019-09-20 13:08:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2019-09-20 13:08:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2019-09-20 13:08:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2019-09-20 13:08:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2019-09-20 13:08:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2019-09-20 13:08:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2019-09-20 13:08:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2019-09-20 13:08:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_one [2019-09-20 13:08:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_del_one [2019-09-20 13:08:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2019-09-20 13:08:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2019-09-20 13:08:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2019-09-20 13:08:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:08:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 13:08:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 13:08:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 13:08:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 13:08:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 13:08:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 13:08:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:08:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_1 [2019-09-20 13:08:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 13:08:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2019-09-20 13:08:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_4 [2019-09-20 13:08:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-09-20 13:08:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-09-20 13:08:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-09-20 13:08:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:08:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:08:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:08:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-20 13:08:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:08:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:08:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __splice_from_pipe [2019-09-20 13:08:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 13:08:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-09-20 13:08:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:08:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:08:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:08:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:08:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-09-20 13:08:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-09-20 13:08:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-09-20 13:08:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2019-09-20 13:08:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2019-09-20 13:08:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2019-09-20 13:08:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-09-20 13:08:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2019-09-20 13:08:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-09-20 13:08:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2019-09-20 13:08:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2019-09-20 13:08:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2019-09-20 13:08:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure d_path [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure file_update_time [2019-09-20 13:08:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-09-20 13:08:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-09-20 13:08:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-09-20 13:08:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:08:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:08:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 13:08:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 13:08:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:08:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:08:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:08:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_begin [2019-09-20 13:08:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_end [2019-09-20 13:08:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 13:08:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2019-09-20 13:08:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure splice_direct_to_actor [2019-09-20 13:08:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-09-20 13:08:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-09-20 13:08:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-09-20 13:08:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2019-09-20 13:08:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2019-09-20 13:08:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-20 13:08:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-09-20 13:08:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:08:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-20 13:08:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:08:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:08:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:08:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:08:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-09-20 13:08:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:08:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:08:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:08:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:08:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 13:08:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 13:08:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-09-20 13:08:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:08:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:08:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-20 13:08:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-09-20 13:08:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-20 13:08:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:08:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 13:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 13:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 13:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 13:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-09-20 13:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-09-20 13:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-09-20 13:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-09-20 13:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-09-20 13:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-09-20 13:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_1 [2019-09-20 13:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_4 [2019-09-20 13:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 13:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2019-09-20 13:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-09-20 13:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-20 13:08:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-20 13:08:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2019-09-20 13:08:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-09-20 13:08:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-20 13:08:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-20 13:08:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-09-20 13:08:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2019-09-20 13:08:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2019-09-20 13:08:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure d_path [2019-09-20 13:08:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_begin [2019-09-20 13:08:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_end [2019-09-20 13:08:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-09-20 13:08:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:08:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-09-20 13:08:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-09-20 13:08:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2019-09-20 13:08:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2019-09-20 13:08:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure file_update_time [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2019-09-20 13:08:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:08:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:08:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:08:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-09-20 13:08:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-09-20 13:08:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2019-09-20 13:08:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-09-20 13:08:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2019-09-20 13:08:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2019-09-20 13:08:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2019-09-20 13:08:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-09-20 13:08:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2019-09-20 13:08:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2019-09-20 13:08:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2019-09-20 13:08:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2019-09-20 13:08:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure __splice_from_pipe [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure splice_direct_to_actor [2019-09-20 13:08:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2019-09-20 13:08:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:08:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2019-09-20 13:08:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2019-09-20 13:08:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2019-09-20 13:08:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2019-09-20 13:08:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_aops [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_direct_write [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_write [2019-09-20 13:08:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure lo_send [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure lo_splice_actor [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure lo_direct_splice_actor [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_receive [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure lo_receive [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure do_bio_filebacked [2019-09-20 13:08:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add_bio [2019-09-20 13:08:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_bio [2019-09-20 13:08:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2019-09-20 13:08:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2019-09-20 13:08:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_bio [2019-09-20 13:08:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure loop_thread [2019-09-20 13:08:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2019-09-20 13:08:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-09-20 13:08:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2019-09-20 13:08:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2019-09-20 13:08:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2019-09-20 13:08:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2019-09-20 13:08:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2019-09-20 13:08:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:08:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2019-09-20 13:08:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2019-09-20 13:08:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2019-09-20 13:08:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2019-09-20 13:08:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2019-09-20 13:08:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2019-09-20 13:08:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2019-09-20 13:08:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 13:08:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2019-09-20 13:08:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2019-09-20 13:08:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2019-09-20 13:08:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2019-09-20 13:08:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2019-09-20 13:08:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2019-09-20 13:08:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2019-09-20 13:08:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2019-09-20 13:08:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2019-09-20 13:08:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_one [2019-09-20 13:08:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure loop_del_one [2019-09-20 13:08:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:08:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:08:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:08:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:08:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:08:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:08:59,143 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:08:59,143 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:08:59,995 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:09:00,100 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-20 13:09:00,101 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-20 13:09:01,899 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:09:01,947 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-20 13:09:01,948 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-20 13:09:02,099 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:09:02,162 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-20 13:09:02,162 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-20 13:09:02,323 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:09:02,324 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:09:02,326 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 13:09:04,366 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:09:04,366 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:09:04,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:09:04 BoogieIcfgContainer [2019-09-20 13:09:04,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:09:04,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:09:04,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:09:04,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:09:04,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:08:52" (1/3) ... [2019-09-20 13:09:04,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4c194d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:09:04, skipping insertion in model container [2019-09-20 13:09:04,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:08:55" (2/3) ... [2019-09-20 13:09:04,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4c194d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:09:04, skipping insertion in model container [2019-09-20 13:09:04,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:09:04" (3/3) ... [2019-09-20 13:09:04,380 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2019-09-20 13:09:04,393 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:09:04,407 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:09:04,426 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:09:04,472 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:09:04,473 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:09:04,473 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:09:04,473 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:09:04,474 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:09:04,474 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:09:04,474 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:09:04,474 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:09:04,474 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:09:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states. [2019-09-20 13:09:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-20 13:09:04,545 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:04,546 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:04,548 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:04,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:04,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1529456141, now seen corresponding path program 1 times [2019-09-20 13:09:04,555 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:04,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:04,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:04,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:04,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:05,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:05,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:09:05,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:09:05,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:09:05,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:05,227 INFO L87 Difference]: Start difference. First operand 1585 states. Second operand 3 states. [2019-09-20 13:09:05,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:05,594 INFO L93 Difference]: Finished difference Result 4268 states and 5598 transitions. [2019-09-20 13:09:05,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:09:05,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-09-20 13:09:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:05,647 INFO L225 Difference]: With dead ends: 4268 [2019-09-20 13:09:05,647 INFO L226 Difference]: Without dead ends: 2844 [2019-09-20 13:09:05,664 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:09:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2019-09-20 13:09:05,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2841. [2019-09-20 13:09:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2019-09-20 13:09:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3632 transitions. [2019-09-20 13:09:05,977 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3632 transitions. Word has length 21 [2019-09-20 13:09:05,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:05,978 INFO L475 AbstractCegarLoop]: Abstraction has 2841 states and 3632 transitions. [2019-09-20 13:09:05,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:09:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3632 transitions. [2019-09-20 13:09:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:09:05,989 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:05,989 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:05,990 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:05,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:05,990 INFO L82 PathProgramCache]: Analyzing trace with hash -443746671, now seen corresponding path program 1 times [2019-09-20 13:09:05,990 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:05,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:06,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:06,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:06,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:06,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:06,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:09:06,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:09:06,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:09:06,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:06,217 INFO L87 Difference]: Start difference. First operand 2841 states and 3632 transitions. Second operand 5 states. [2019-09-20 13:09:06,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:06,371 INFO L93 Difference]: Finished difference Result 5541 states and 7105 transitions. [2019-09-20 13:09:06,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:09:06,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-20 13:09:06,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:06,405 INFO L225 Difference]: With dead ends: 5541 [2019-09-20 13:09:06,405 INFO L226 Difference]: Without dead ends: 2841 [2019-09-20 13:09:06,421 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:06,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2019-09-20 13:09:06,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2841. [2019-09-20 13:09:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2019-09-20 13:09:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3630 transitions. [2019-09-20 13:09:06,686 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3630 transitions. Word has length 64 [2019-09-20 13:09:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:06,687 INFO L475 AbstractCegarLoop]: Abstraction has 2841 states and 3630 transitions. [2019-09-20 13:09:06,687 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:09:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3630 transitions. [2019-09-20 13:09:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-20 13:09:06,696 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:06,696 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:06,696 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:06,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:06,697 INFO L82 PathProgramCache]: Analyzing trace with hash -215401368, now seen corresponding path program 1 times [2019-09-20 13:09:06,697 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:06,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:06,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:06,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:06,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:06,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:06,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:09:06,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:09:06,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:09:06,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:06,921 INFO L87 Difference]: Start difference. First operand 2841 states and 3630 transitions. Second operand 5 states. [2019-09-20 13:09:07,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:07,055 INFO L93 Difference]: Finished difference Result 5541 states and 7103 transitions. [2019-09-20 13:09:07,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:09:07,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-09-20 13:09:07,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:07,078 INFO L225 Difference]: With dead ends: 5541 [2019-09-20 13:09:07,079 INFO L226 Difference]: Without dead ends: 2817 [2019-09-20 13:09:07,089 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:07,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2019-09-20 13:09:07,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2817. [2019-09-20 13:09:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2019-09-20 13:09:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3601 transitions. [2019-09-20 13:09:07,222 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3601 transitions. Word has length 72 [2019-09-20 13:09:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:07,223 INFO L475 AbstractCegarLoop]: Abstraction has 2817 states and 3601 transitions. [2019-09-20 13:09:07,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:09:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3601 transitions. [2019-09-20 13:09:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:09:07,226 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:07,226 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:07,227 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:07,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:07,227 INFO L82 PathProgramCache]: Analyzing trace with hash 747690818, now seen corresponding path program 1 times [2019-09-20 13:09:07,227 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:07,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:07,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:07,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:07,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:07,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:07,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:09:07,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:09:07,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:09:07,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:09:07,425 INFO L87 Difference]: Start difference. First operand 2817 states and 3601 transitions. Second operand 4 states. [2019-09-20 13:09:07,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:07,562 INFO L93 Difference]: Finished difference Result 5554 states and 7122 transitions. [2019-09-20 13:09:07,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:09:07,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-09-20 13:09:07,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:07,583 INFO L225 Difference]: With dead ends: 5554 [2019-09-20 13:09:07,583 INFO L226 Difference]: Without dead ends: 2841 [2019-09-20 13:09:07,594 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:09:07,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2019-09-20 13:09:07,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2821. [2019-09-20 13:09:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2821 states. [2019-09-20 13:09:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3606 transitions. [2019-09-20 13:09:07,723 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3606 transitions. Word has length 80 [2019-09-20 13:09:07,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:07,725 INFO L475 AbstractCegarLoop]: Abstraction has 2821 states and 3606 transitions. [2019-09-20 13:09:07,725 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:09:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3606 transitions. [2019-09-20 13:09:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:09:07,730 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:07,730 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:07,731 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:07,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1479658244, now seen corresponding path program 1 times [2019-09-20 13:09:07,731 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:07,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:07,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:07,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:07,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:09:07,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:07,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:09:07,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:09:07,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:09:07,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:09:07,902 INFO L87 Difference]: Start difference. First operand 2821 states and 3606 transitions. Second operand 4 states. [2019-09-20 13:09:10,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:10,172 INFO L93 Difference]: Finished difference Result 5615 states and 7182 transitions. [2019-09-20 13:09:10,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:09:10,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-09-20 13:09:10,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:10,193 INFO L225 Difference]: With dead ends: 5615 [2019-09-20 13:09:10,194 INFO L226 Difference]: Without dead ends: 2818 [2019-09-20 13:09:10,205 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:09:10,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2019-09-20 13:09:10,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2818. [2019-09-20 13:09:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2019-09-20 13:09:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3600 transitions. [2019-09-20 13:09:10,330 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3600 transitions. Word has length 80 [2019-09-20 13:09:10,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:10,330 INFO L475 AbstractCegarLoop]: Abstraction has 2818 states and 3600 transitions. [2019-09-20 13:09:10,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:09:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3600 transitions. [2019-09-20 13:09:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-09-20 13:09:10,339 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:10,339 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:10,339 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:10,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:10,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1464919487, now seen corresponding path program 1 times [2019-09-20 13:09:10,340 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:10,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:10,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:10,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:10,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:09:10,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:10,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:09:10,518 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:09:10,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:09:10,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:10,519 INFO L87 Difference]: Start difference. First operand 2818 states and 3600 transitions. Second operand 5 states. [2019-09-20 13:09:10,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:10,656 INFO L93 Difference]: Finished difference Result 5613 states and 7176 transitions. [2019-09-20 13:09:10,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:09:10,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2019-09-20 13:09:10,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:10,675 INFO L225 Difference]: With dead ends: 5613 [2019-09-20 13:09:10,675 INFO L226 Difference]: Without dead ends: 2807 [2019-09-20 13:09:10,686 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:09:10,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2019-09-20 13:09:10,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2807. [2019-09-20 13:09:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2019-09-20 13:09:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3586 transitions. [2019-09-20 13:09:10,800 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3586 transitions. Word has length 119 [2019-09-20 13:09:10,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:10,800 INFO L475 AbstractCegarLoop]: Abstraction has 2807 states and 3586 transitions. [2019-09-20 13:09:10,801 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:09:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3586 transitions. [2019-09-20 13:09:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-20 13:09:10,804 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:10,805 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:10,805 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash 180454152, now seen corresponding path program 1 times [2019-09-20 13:09:10,805 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:10,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:10,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:10,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:10,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:09:11,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:09:11,305 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:09:11,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:11,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 1863 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:09:11,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:09:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:09:12,134 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:09:12,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-20 13:09:12,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:09:12,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:09:12,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:09:12,139 INFO L87 Difference]: Start difference. First operand 2807 states and 3586 transitions. Second operand 8 states. [2019-09-20 13:09:12,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:12,317 INFO L93 Difference]: Finished difference Result 5531 states and 7088 transitions. [2019-09-20 13:09:12,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:09:12,318 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2019-09-20 13:09:12,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:12,336 INFO L225 Difference]: With dead ends: 5531 [2019-09-20 13:09:12,336 INFO L226 Difference]: Without dead ends: 2818 [2019-09-20 13:09:12,347 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:09:12,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2019-09-20 13:09:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2813. [2019-09-20 13:09:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2019-09-20 13:09:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3594 transitions. [2019-09-20 13:09:12,456 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3594 transitions. Word has length 159 [2019-09-20 13:09:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:12,456 INFO L475 AbstractCegarLoop]: Abstraction has 2813 states and 3594 transitions. [2019-09-20 13:09:12,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:09:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3594 transitions. [2019-09-20 13:09:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-09-20 13:09:12,462 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:12,462 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:09:12,462 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:12,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:12,463 INFO L82 PathProgramCache]: Analyzing trace with hash -129579390, now seen corresponding path program 2 times [2019-09-20 13:09:12,463 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:12,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:12,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:12,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:09:12,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2019-09-20 13:09:12,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:09:12,855 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:09:13,257 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:09:13,646 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-09-20 13:09:13,647 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:09:13,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 34 conjunts are in the unsatisfiable core [2019-09-20 13:09:13,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:09:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-09-20 13:09:13,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:09:13,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2019-09-20 13:09:13,910 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:09:13,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:09:13,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:09:13,912 INFO L87 Difference]: Start difference. First operand 2813 states and 3594 transitions. Second operand 15 states. [2019-09-20 13:09:14,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:09:14,813 INFO L93 Difference]: Finished difference Result 8131 states and 10453 transitions. [2019-09-20 13:09:14,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:09:14,814 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 238 [2019-09-20 13:09:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:09:14,856 INFO L225 Difference]: With dead ends: 8131 [2019-09-20 13:09:14,856 INFO L226 Difference]: Without dead ends: 5418 [2019-09-20 13:09:14,872 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2019-09-20 13:09:14,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2019-09-20 13:09:15,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 5355. [2019-09-20 13:09:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5355 states. [2019-09-20 13:09:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 6874 transitions. [2019-09-20 13:09:15,132 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 6874 transitions. Word has length 238 [2019-09-20 13:09:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:09:15,133 INFO L475 AbstractCegarLoop]: Abstraction has 5355 states and 6874 transitions. [2019-09-20 13:09:15,133 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:09:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 6874 transitions. [2019-09-20 13:09:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-09-20 13:09:15,140 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:09:15,140 INFO L407 BasicCegarLoop]: trace histogram [10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:09:15,140 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:09:15,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:09:15,141 INFO L82 PathProgramCache]: Analyzing trace with hash -915860026, now seen corresponding path program 1 times [2019-09-20 13:09:15,141 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:09:15,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:09:15,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:15,151 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:09:15,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:09:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:09:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2019-09-20 13:09:15,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:09:15,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:09:15,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:09:15,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:09:15,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:09:15,633 INFO L87 Difference]: Start difference. First operand 5355 states and 6874 transitions. Second operand 7 states.