/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:35:42,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:35:42,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:35:42,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:35:42,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:35:42,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:35:42,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:35:42,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:35:42,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:35:42,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:35:42,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:35:42,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:35:42,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:35:42,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:35:42,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:35:42,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:35:42,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:35:42,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:35:42,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:35:42,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:35:42,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:35:42,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:35:42,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:35:42,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:35:42,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:35:42,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:35:42,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:35:42,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:35:42,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:35:42,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:35:42,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:35:42,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:35:42,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:35:42,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:35:42,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:35:42,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:35:42,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:35:42,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:35:42,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:35:42,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:35:42,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:35:42,390 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 [2019-11-07 03:35:42,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:35:42,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:35:42,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:35:42,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:35:42,417 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:35:42,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:35:42,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:35:42,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:35:42,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:35:42,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:35:42,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:35:42,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:35:42,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:35:42,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:35:42,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:35:42,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:35:42,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:35:42,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:35:42,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:35:42,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:35:42,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:35:42,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:35:42,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:35:42,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:35:42,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:35:42,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:35:42,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:35:42,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:35:42,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 03:35:42,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:35:42,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:35:42,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:35:42,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:35:42,732 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:35:42,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2019-11-07 03:35:42,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e87f75ab/6a8ea92d4ae64535844b9cf8a40e6a08/FLAG7d9eadc80 [2019-11-07 03:35:43,499 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:35:43,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2019-11-07 03:35:43,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e87f75ab/6a8ea92d4ae64535844b9cf8a40e6a08/FLAG7d9eadc80 [2019-11-07 03:35:43,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e87f75ab/6a8ea92d4ae64535844b9cf8a40e6a08 [2019-11-07 03:35:43,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:35:43,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:35:43,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:35:43,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:35:43,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:35:43,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:43" (1/1) ... [2019-11-07 03:35:43,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af4c7b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:43, skipping insertion in model container [2019-11-07 03:35:43,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:43" (1/1) ... [2019-11-07 03:35:43,587 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:35:43,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:35:45,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:35:45,468 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:35:45,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:35:46,044 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:35:46,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46 WrapperNode [2019-11-07 03:35:46,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:35:46,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:35:46,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:35:46,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:35:46,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (1/1) ... [2019-11-07 03:35:46,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:35:46,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:35:46,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:35:46,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:35:46,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (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 [2019-11-07 03:35:46,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:35:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:35:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 03:35:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 03:35:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 03:35:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2019-11-07 03:35:46,420 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 03:35:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-07 03:35:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-07 03:35:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 03:35:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 03:35:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 03:35:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-07 03:35:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:35:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:35:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 03:35:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:35:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:35:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:35:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:35:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:35:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:35:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:35:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-11-07 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mdname [2019-11-07 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_ast [2019-11-07 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2019-11-07 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2019-11-07 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2019-11-07 03:35:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2019-11-07 03:35:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2019-11-07 03:35:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure add_resync_info [2019-11-07 03:35:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure read_resync_info [2019-11-07 03:35:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_bitmaps [2019-11-07 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_prep [2019-11-07 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_slot [2019-11-07 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_done [2019-11-07 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ack_bast [2019-11-07 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __remove_suspend_info [2019-11-07 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_suspend_info [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure process_suspend_info [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure process_add_new_disk [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure process_metadata_update [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure process_remove_disk [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure process_readd_disk [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure process_recvd_msg [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_daemon [2019-11-07 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2019-11-07 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2019-11-07 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2019-11-07 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2019-11-07 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_all_resync_info [2019-11-07 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure join [2019-11-07 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure leave [2019-11-07 03:35:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure slot_number [2019-11-07 03:35:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2019-11-07 03:35:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_update_start [2019-11-07 03:35:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_update_finish [2019-11-07 03:35:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_update_cancel [2019-11-07 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2019-11-07 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_start [2019-11-07 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_finish [2019-11-07 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure area_resyncing [2019-11-07 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure add_new_disk_start [2019-11-07 03:35:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure add_new_disk_finish [2019-11-07 03:35:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure new_disk_ack [2019-11-07 03:35:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_disk [2019-11-07 03:35:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_bitmaps [2019-11-07 03:35:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cluster_init [2019-11-07 03:35:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cluster_exit [2019-11-07 03:35:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dlm_lockspace_ops_2 [2019-11-07 03:35:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_md_cluster_operations_1 [2019-11-07 03:35:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:35:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-11-07 03:35:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-11-07 03:35:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:35:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:35:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:35:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:35:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:35:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-07 03:35:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-07 03:35:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-07 03:35:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-07 03:35:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-07 03:35:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:35:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 03:35:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 03:35:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 03:35:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 03:35:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 03:35:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 03:35:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_new_lockspace [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent_env [2019-11-07 03:35:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:35:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-07 03:35:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure md_check_recovery [2019-11-07 03:35:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure md_find_rdev_nr_rcu [2019-11-07 03:35:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure md_kick_rdev_from_array [2019-11-07 03:35:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2019-11-07 03:35:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reload_sb [2019-11-07 03:35:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2019-11-07 03:35:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure md_update_sb [2019-11-07 03:35:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2019-11-07 03:35:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 03:35:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure register_md_cluster_operations [2019-11-07 03:35:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-11-07 03:35:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_md_cluster_operations [2019-11-07 03:35:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-07 03:35:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-11-07 03:35:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:35:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:35:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:35:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:35:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 03:35:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-11-07 03:35:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:35:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 03:35:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 03:35:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 03:35:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:35:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2019-11-07 03:35:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 03:35:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 03:35:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 03:35:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 03:35:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:35:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 03:35:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-07 03:35:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:35:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-07 03:35:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-07 03:35:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 03:35:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-11-07 03:35:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:35:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-07 03:35:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-11-07 03:35:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 03:35:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 03:35:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-07 03:35:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent_env [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-11-07 03:35:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-11-07 03:35:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-07 03:35:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-07 03:35:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:35:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:35:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:35:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:35:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dlm_lockspace_ops_2 [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_md_cluster_operations_1 [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_new_lockspace [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2019-11-07 03:35:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure mdname [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure register_md_cluster_operations [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_md_cluster_operations [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2019-11-07 03:35:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure md_check_recovery [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure md_reload_sb [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure md_update_sb [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure md_kick_rdev_from_array [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure md_find_rdev_nr_rcu [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure sync_ast [2019-11-07 03:35:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure add_resync_info [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure read_resync_info [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 03:35:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure recover_bitmaps [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure recover_prep [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure recover_slot [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure recover_done [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure ack_bast [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure __remove_suspend_info [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure remove_suspend_info [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure process_suspend_info [2019-11-07 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure process_add_new_disk [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure process_metadata_update [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure process_remove_disk [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure process_readd_disk [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure process_recvd_msg [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure recv_daemon [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2019-11-07 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure gather_all_resync_info [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure join [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure leave [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure slot_number [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2019-11-07 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_update_start [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_update_finish [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_update_cancel [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure resync_start [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure resync_finish [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure area_resyncing [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure add_new_disk_start [2019-11-07 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure add_new_disk_finish [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure new_disk_ack [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure remove_disk [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure gather_bitmaps [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure cluster_init [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure cluster_exit [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-07 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-07 03:35:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-07 03:35:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:35:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:35:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 03:35:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 03:35:47,454 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:35:51,121 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-07 03:35:54,674 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:35:54,675 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:35:54,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:54 BoogieIcfgContainer [2019-11-07 03:35:54,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:35:54,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:35:54,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:35:54,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:35:54,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:43" (1/3) ... [2019-11-07 03:35:54,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70543732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:54, skipping insertion in model container [2019-11-07 03:35:54,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:46" (2/3) ... [2019-11-07 03:35:54,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70543732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:54, skipping insertion in model container [2019-11-07 03:35:54,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:54" (3/3) ... [2019-11-07 03:35:54,685 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2019-11-07 03:35:54,696 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:35:54,706 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:35:54,718 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:35:54,751 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:35:54,751 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:35:54,751 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:35:54,751 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:35:54,751 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:35:54,751 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:35:54,752 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:35:54,752 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:35:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states. [2019-11-07 03:35:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-07 03:35:54,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:54,805 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 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] [2019-11-07 03:35:54,807 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:54,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:54,814 INFO L82 PathProgramCache]: Analyzing trace with hash 709305547, now seen corresponding path program 1 times [2019-11-07 03:35:54,824 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:54,824 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132158637] [2019-11-07 03:35:54,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-07 03:35:55,628 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132158637] [2019-11-07 03:35:55,629 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:55,629 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:55,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212407438] [2019-11-07 03:35:55,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:55,635 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:55,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:55,653 INFO L87 Difference]: Start difference. First operand 814 states. Second operand 3 states. [2019-11-07 03:35:56,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:56,847 INFO L93 Difference]: Finished difference Result 1866 states and 2437 transitions. [2019-11-07 03:35:56,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:56,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-11-07 03:35:56,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:56,897 INFO L225 Difference]: With dead ends: 1866 [2019-11-07 03:35:56,897 INFO L226 Difference]: Without dead ends: 1226 [2019-11-07 03:35:56,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:56,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2019-11-07 03:35:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1223. [2019-11-07 03:35:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2019-11-07 03:35:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1588 transitions. [2019-11-07 03:35:57,220 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1588 transitions. Word has length 148 [2019-11-07 03:35:57,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:57,221 INFO L462 AbstractCegarLoop]: Abstraction has 1223 states and 1588 transitions. [2019-11-07 03:35:57,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1588 transitions. [2019-11-07 03:35:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-07 03:35:57,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:57,227 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 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] [2019-11-07 03:35:57,227 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:57,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:57,228 INFO L82 PathProgramCache]: Analyzing trace with hash -845800899, now seen corresponding path program 1 times [2019-11-07 03:35:57,228 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:57,228 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003272924] [2019-11-07 03:35:57,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-07 03:35:57,541 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003272924] [2019-11-07 03:35:57,542 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:57,542 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:35:57,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872112382] [2019-11-07 03:35:57,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:35:57,546 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:57,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:35:57,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:35:57,547 INFO L87 Difference]: Start difference. First operand 1223 states and 1588 transitions. Second operand 5 states. [2019-11-07 03:35:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:57,857 INFO L93 Difference]: Finished difference Result 2405 states and 3120 transitions. [2019-11-07 03:35:57,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:35:57,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2019-11-07 03:35:57,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:57,877 INFO L225 Difference]: With dead ends: 2405 [2019-11-07 03:35:57,878 INFO L226 Difference]: Without dead ends: 1222 [2019-11-07 03:35:57,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 03:35:57,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2019-11-07 03:35:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1222. [2019-11-07 03:35:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2019-11-07 03:35:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1584 transitions. [2019-11-07 03:35:57,992 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1584 transitions. Word has length 152 [2019-11-07 03:35:57,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:57,995 INFO L462 AbstractCegarLoop]: Abstraction has 1222 states and 1584 transitions. [2019-11-07 03:35:57,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:35:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1584 transitions. [2019-11-07 03:35:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-07 03:35:58,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:58,007 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:35:58,007 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:58,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:58,008 INFO L82 PathProgramCache]: Analyzing trace with hash -2082918782, now seen corresponding path program 1 times [2019-11-07 03:35:58,008 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:58,009 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136005887] [2019-11-07 03:35:58,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-11-07 03:35:58,430 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136005887] [2019-11-07 03:35:58,430 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:58,431 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:58,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261551035] [2019-11-07 03:35:58,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:58,432 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:58,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:58,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:58,434 INFO L87 Difference]: Start difference. First operand 1222 states and 1584 transitions. Second operand 3 states. [2019-11-07 03:35:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:58,573 INFO L93 Difference]: Finished difference Result 3583 states and 4653 transitions. [2019-11-07 03:35:58,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:58,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-11-07 03:35:58,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:58,591 INFO L225 Difference]: With dead ends: 3583 [2019-11-07 03:35:58,591 INFO L226 Difference]: Without dead ends: 2392 [2019-11-07 03:35:58,600 INFO L630 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 [2019-11-07 03:35:58,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2019-11-07 03:35:58,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2380. [2019-11-07 03:35:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2380 states. [2019-11-07 03:35:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3094 transitions. [2019-11-07 03:35:58,755 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 3094 transitions. Word has length 196 [2019-11-07 03:35:58,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:58,757 INFO L462 AbstractCegarLoop]: Abstraction has 2380 states and 3094 transitions. [2019-11-07 03:35:58,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3094 transitions. [2019-11-07 03:35:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-07 03:35:58,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:58,769 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:35:58,770 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:58,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:58,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1172965491, now seen corresponding path program 1 times [2019-11-07 03:35:58,770 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:58,772 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973690695] [2019-11-07 03:35:58,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2019-11-07 03:35:59,774 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973690695] [2019-11-07 03:35:59,775 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103618513] [2019-11-07 03:35:59,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:36:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:36:09,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 2711 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-07 03:36:09,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:36:10,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2019-11-07 03:36:10,241 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:36:10,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:10,948 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:11,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:36:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2019-11-07 03:36:11,467 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 03:36:11,468 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [12] total 21 [2019-11-07 03:36:11,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702097035] [2019-11-07 03:36:11,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-07 03:36:11,473 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:36:11,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-07 03:36:11,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2019-11-07 03:36:11,479 INFO L87 Difference]: Start difference. First operand 2380 states and 3094 transitions. Second operand 15 states.