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-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 06:15:05,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:15:05,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:15:05,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:15:05,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:15:05,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:15:05,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:15:05,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:15:05,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:15:05,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:15:05,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:15:05,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:15:05,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:15:05,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:15:05,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:15:05,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:15:05,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:15:05,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:15:05,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:15:05,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:15:05,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:15:05,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:15:05,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:15:05,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:15:05,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:15:05,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:15:05,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:15:05,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:15:05,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:15:05,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:15:05,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:15:05,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:15:05,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:15:05,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:15:05,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:15:05,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:15:05,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:15:05,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:15:05,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:15:05,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:15:05,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:15:05,350 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 [2019-10-07 06:15:05,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:15:05,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:15:05,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:15:05,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:15:05,376 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:15:05,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:15:05,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:15:05,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:15:05,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:15:05,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:15:05,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:15:05,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:15:05,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:15:05,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:15:05,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:15:05,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:15:05,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:15:05,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:15:05,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:15:05,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:15:05,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:15:05,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:15:05,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:15:05,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:15:05,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:15:05,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:15:05,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:15:05,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:15:05,381 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 [2019-10-07 06:15:05,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:15:05,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:15:05,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:15:05,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:15:05,670 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:15:05,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-10-07 06:15:05,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33caef996/c5e3f6bb70824f84a6f5cf6560157148/FLAGcb85d4eff [2019-10-07 06:15:06,525 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:15:06,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-10-07 06:15:06,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33caef996/c5e3f6bb70824f84a6f5cf6560157148/FLAGcb85d4eff [2019-10-07 06:15:06,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33caef996/c5e3f6bb70824f84a6f5cf6560157148 [2019-10-07 06:15:06,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:15:06,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:15:06,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:15:06,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:15:06,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:15:06,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:15:06" (1/1) ... [2019-10-07 06:15:06,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92df964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:06, skipping insertion in model container [2019-10-07 06:15:06,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:15:06" (1/1) ... [2019-10-07 06:15:06,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:15:06,816 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:15:08,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:15:08,774 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:15:09,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:15:09,627 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:15:09,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09 WrapperNode [2019-10-07 06:15:09,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:15:09,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:15:09,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:15:09,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:15:09,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (1/1) ... [2019-10-07 06:15:09,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:15:09,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:15:09,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:15:09,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:15:09,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (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 [2019-10-07 06:15:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:15:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:15:10,040 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 [2019-10-07 06:15:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 06:15:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-10-07 06:15:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 06:15:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 06:15:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 06:15:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 06:15:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 06:15:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-07 06:15:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 06:15:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 06:15:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 06:15:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 06:15:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-10-07 06:15:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-07 06:15:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 06:15:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 06:15:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 06:15:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 06:15:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-07 06:15:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-07 06:15:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 06:15:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 06:15:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2019-10-07 06:15:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2019-10-07 06:15:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-07 06:15:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 06:15:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 06:15:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-07 06:15:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-07 06:15:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 06:15:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2019-10-07 06:15:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2019-10-07 06:15:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-07 06:15:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2019-10-07 06:15:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2019-10-07 06:15:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2019-10-07 06:15:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2019-10-07 06:15:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2019-10-07 06:15:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2019-10-07 06:15:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_aops [2019-10-07 06:15:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2019-10-07 06:15:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_direct_write [2019-10-07 06:15:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_write [2019-10-07 06:15:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_send [2019-10-07 06:15:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_splice_actor [2019-10-07 06:15:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_direct_splice_actor [2019-10-07 06:15:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_receive [2019-10-07 06:15:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_receive [2019-10-07 06:15:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bio_filebacked [2019-10-07 06:15:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add_bio [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_bio [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_bio [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_thread [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2019-10-07 06:15:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2019-10-07 06:15:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2019-10-07 06:15:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2019-10-07 06:15:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2019-10-07 06:15:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2019-10-07 06:15:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2019-10-07 06:15:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2019-10-07 06:15:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2019-10-07 06:15:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2019-10-07 06:15:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2019-10-07 06:15:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2019-10-07 06:15:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2019-10-07 06:15:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2019-10-07 06:15:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2019-10-07 06:15:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2019-10-07 06:15:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2019-10-07 06:15:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2019-10-07 06:15:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2019-10-07 06:15:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2019-10-07 06:15:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2019-10-07 06:15:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2019-10-07 06:15:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2019-10-07 06:15:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2019-10-07 06:15:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2019-10-07 06:15:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2019-10-07 06:15:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2019-10-07 06:15:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2019-10-07 06:15:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_one [2019-10-07 06:15:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_del_one [2019-10-07 06:15:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2019-10-07 06:15:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2019-10-07 06:15:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2019-10-07 06:15:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:15:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-07 06:15:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 06:15:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 06:15:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 06:15:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 06:15:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 06:15:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:15:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_1 [2019-10-07 06:15:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-10-07 06:15:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2019-10-07 06:15:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_4 [2019-10-07 06:15:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-10-07 06:15:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-07 06:15:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-07 06:15:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 06:15:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 06:15:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 06:15:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 06:15:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 06:15:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 06:15:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __splice_from_pipe [2019-10-07 06:15:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 06:15:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-07 06:15:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 06:15:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 06:15:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 06:15:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 06:15:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-07 06:15:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-07 06:15:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-07 06:15:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2019-10-07 06:15:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2019-10-07 06:15:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2019-10-07 06:15:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-07 06:15:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2019-10-07 06:15:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-07 06:15:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2019-10-07 06:15:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2019-10-07 06:15:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2019-10-07 06:15:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2019-10-07 06:15:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 06:15:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-07 06:15:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure d_path [2019-10-07 06:15:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-07 06:15:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure file_update_time [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2019-10-07 06:15:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-10-07 06:15:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-07 06:15:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-10-07 06:15:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-10-07 06:15:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 06:15:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_begin [2019-10-07 06:15:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_end [2019-10-07 06:15:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-07 06:15:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:15:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-07 06:15:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-07 06:15:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure splice_direct_to_actor [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-07 06:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-07 06:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2019-10-07 06:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2019-10-07 06:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-07 06:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-07 06:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 06:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-07 06:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 06:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 06:15:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-07 06:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 06:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-07 06:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 06:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 06:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-07 06:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_1 [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_4 [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-10-07 06:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 06:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 06:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure d_path [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_begin [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_end [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2019-10-07 06:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure file_update_time [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-07 06:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-07 06:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 06:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2019-10-07 06:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-07 06:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-10-07 06:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure __splice_from_pipe [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure splice_direct_to_actor [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2019-10-07 06:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2019-10-07 06:15:10,158 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 [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_aops [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_direct_write [2019-10-07 06:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_write [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure lo_send [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure lo_splice_actor [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure lo_direct_splice_actor [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_receive [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure lo_receive [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure do_bio_filebacked [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add_bio [2019-10-07 06:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_bio [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_bio [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure loop_thread [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2019-10-07 06:15:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2019-10-07 06:15:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 06:15:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2019-10-07 06:15:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2019-10-07 06:15:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2019-10-07 06:15:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_one [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure loop_del_one [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:15:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 06:15:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 06:15:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:15:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 06:15:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 06:15:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 06:15:12,375 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 06:15:12,375 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 06:15:13,178 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:15:13,234 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-07 06:15:13,234 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-07 06:15:15,112 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:15:15,156 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-07 06:15:15,157 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-07 06:15:15,294 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:15:15,359 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-07 06:15:15,359 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-07 06:15:15,463 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 06:15:15,463 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 06:15:15,465 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 06:15:20,877 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:15:20,878 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-07 06:15:20,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:15:20 BoogieIcfgContainer [2019-10-07 06:15:20,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:15:20,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:15:20,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:15:20,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:15:20,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:15:06" (1/3) ... [2019-10-07 06:15:20,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bf0bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:15:20, skipping insertion in model container [2019-10-07 06:15:20,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:15:09" (2/3) ... [2019-10-07 06:15:20,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bf0bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:15:20, skipping insertion in model container [2019-10-07 06:15:20,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:15:20" (3/3) ... [2019-10-07 06:15:20,887 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2019-10-07 06:15:20,897 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:15:20,906 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:15:20,917 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:15:20,951 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:15:20,951 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:15:20,951 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:15:20,951 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:15:20,951 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:15:20,952 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:15:20,952 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:15:20,952 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:15:20,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states. [2019-10-07 06:15:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-07 06:15:21,001 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:15:21,002 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:15:21,004 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:15:21,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:15:21,009 INFO L82 PathProgramCache]: Analyzing trace with hash -600536735, now seen corresponding path program 1 times [2019-10-07 06:15:21,015 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:15:21,015 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:21,016 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:21,016 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:21,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:15:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:15:21,574 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:21,575 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:15:21,575 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:15:21,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:15:21,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:15:21,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:15:21,600 INFO L87 Difference]: Start difference. First operand 1335 states. Second operand 3 states. [2019-10-07 06:15:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:15:21,952 INFO L93 Difference]: Finished difference Result 3517 states and 4586 transitions. [2019-10-07 06:15:21,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:15:21,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-07 06:15:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:15:22,001 INFO L225 Difference]: With dead ends: 3517 [2019-10-07 06:15:22,001 INFO L226 Difference]: Without dead ends: 2312 [2019-10-07 06:15:22,016 INFO L606 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 [2019-10-07 06:15:22,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2019-10-07 06:15:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2299. [2019-10-07 06:15:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2019-10-07 06:15:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2961 transitions. [2019-10-07 06:15:22,298 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2961 transitions. Word has length 20 [2019-10-07 06:15:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:15:22,299 INFO L462 AbstractCegarLoop]: Abstraction has 2299 states and 2961 transitions. [2019-10-07 06:15:22,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:15:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2961 transitions. [2019-10-07 06:15:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 06:15:22,314 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:15:22,315 INFO L385 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] [2019-10-07 06:15:22,315 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:15:22,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:15:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash -187657691, now seen corresponding path program 1 times [2019-10-07 06:15:22,316 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:15:22,316 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:22,316 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:22,316 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:15:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:15:22,584 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:22,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:15:22,585 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:15:22,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:15:22,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:15:22,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:15:22,587 INFO L87 Difference]: Start difference. First operand 2299 states and 2961 transitions. Second operand 5 states. [2019-10-07 06:15:22,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:15:22,722 INFO L93 Difference]: Finished difference Result 4482 states and 5789 transitions. [2019-10-07 06:15:22,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:15:22,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-07 06:15:22,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:15:22,737 INFO L225 Difference]: With dead ends: 4482 [2019-10-07 06:15:22,737 INFO L226 Difference]: Without dead ends: 2299 [2019-10-07 06:15:22,745 INFO L606 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 [2019-10-07 06:15:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2019-10-07 06:15:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2299. [2019-10-07 06:15:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2019-10-07 06:15:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2959 transitions. [2019-10-07 06:15:22,840 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2959 transitions. Word has length 58 [2019-10-07 06:15:22,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:15:22,840 INFO L462 AbstractCegarLoop]: Abstraction has 2299 states and 2959 transitions. [2019-10-07 06:15:22,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:15:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2959 transitions. [2019-10-07 06:15:22,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 06:15:22,845 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:15:22,845 INFO L385 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] [2019-10-07 06:15:22,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:15:22,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:15:22,846 INFO L82 PathProgramCache]: Analyzing trace with hash 2043793623, now seen corresponding path program 1 times [2019-10-07 06:15:22,846 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:15:22,846 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:22,846 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:22,846 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:22,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:15:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:15:23,117 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:23,117 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:15:23,117 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:15:23,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:15:23,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:15:23,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:15:23,119 INFO L87 Difference]: Start difference. First operand 2299 states and 2959 transitions. Second operand 5 states. [2019-10-07 06:15:23,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:15:23,236 INFO L93 Difference]: Finished difference Result 4482 states and 5787 transitions. [2019-10-07 06:15:23,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:15:23,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-07 06:15:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:15:23,251 INFO L225 Difference]: With dead ends: 4482 [2019-10-07 06:15:23,251 INFO L226 Difference]: Without dead ends: 2279 [2019-10-07 06:15:23,261 INFO L606 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 [2019-10-07 06:15:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2019-10-07 06:15:23,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2279. [2019-10-07 06:15:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2279 states. [2019-10-07 06:15:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 2934 transitions. [2019-10-07 06:15:23,361 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 2934 transitions. Word has length 64 [2019-10-07 06:15:23,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:15:23,362 INFO L462 AbstractCegarLoop]: Abstraction has 2279 states and 2934 transitions. [2019-10-07 06:15:23,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:15:23,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2934 transitions. [2019-10-07 06:15:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-07 06:15:23,365 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:15:23,365 INFO L385 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] [2019-10-07 06:15:23,365 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:15:23,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:15:23,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1850367473, now seen corresponding path program 1 times [2019-10-07 06:15:23,366 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:15:23,366 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:23,366 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:23,366 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:23,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:15:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:15:23,587 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:23,588 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:15:23,588 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 06:15:23,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 06:15:23,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 06:15:23,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 06:15:23,590 INFO L87 Difference]: Start difference. First operand 2279 states and 2934 transitions. Second operand 6 states. [2019-10-07 06:15:26,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:15:26,562 INFO L93 Difference]: Finished difference Result 4477 states and 5781 transitions. [2019-10-07 06:15:26,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:15:26,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-10-07 06:15:26,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:15:26,581 INFO L225 Difference]: With dead ends: 4477 [2019-10-07 06:15:26,581 INFO L226 Difference]: Without dead ends: 2285 [2019-10-07 06:15:26,591 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:15:26,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2019-10-07 06:15:26,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2280. [2019-10-07 06:15:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2280 states. [2019-10-07 06:15:26,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 2935 transitions. [2019-10-07 06:15:26,737 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 2935 transitions. Word has length 70 [2019-10-07 06:15:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:15:26,739 INFO L462 AbstractCegarLoop]: Abstraction has 2280 states and 2935 transitions. [2019-10-07 06:15:26,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 06:15:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2935 transitions. [2019-10-07 06:15:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-07 06:15:26,744 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:15:26,745 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:15:26,745 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:15:26,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:15:26,746 INFO L82 PathProgramCache]: Analyzing trace with hash 260150211, now seen corresponding path program 1 times [2019-10-07 06:15:26,746 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:15:26,746 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:26,747 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:26,747 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:15:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 06:15:27,058 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:27,058 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:15:27,059 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:15:27,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:15:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:15:27,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:15:27,062 INFO L87 Difference]: Start difference. First operand 2280 states and 2935 transitions. Second operand 5 states. [2019-10-07 06:15:27,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:15:27,204 INFO L93 Difference]: Finished difference Result 4541 states and 5850 transitions. [2019-10-07 06:15:27,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:15:27,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-10-07 06:15:27,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:15:27,222 INFO L225 Difference]: With dead ends: 4541 [2019-10-07 06:15:27,222 INFO L226 Difference]: Without dead ends: 2272 [2019-10-07 06:15:27,232 INFO L606 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 [2019-10-07 06:15:27,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-07 06:15:27,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-10-07 06:15:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-10-07 06:15:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2924 transitions. [2019-10-07 06:15:27,351 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2924 transitions. Word has length 103 [2019-10-07 06:15:27,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:15:27,352 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2924 transitions. [2019-10-07 06:15:27,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:15:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2924 transitions. [2019-10-07 06:15:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 06:15:27,366 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:15:27,366 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:15:27,366 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:15:27,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:15:27,367 INFO L82 PathProgramCache]: Analyzing trace with hash -760424580, now seen corresponding path program 1 times [2019-10-07 06:15:27,367 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:15:27,368 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:27,368 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:27,368 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:15:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:15:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 06:15:27,806 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:15:27,806 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:15:27,806 INFO L95 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 [2019-10-07 06:15:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:15:28,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 1836 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-07 06:15:28,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:15:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 06:15:28,854 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:15:29,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:15:29,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:15:29,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:15:29,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:15:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 06:15:29,365 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 06:15:29,409 INFO L162 IcfgInterpreter]: Started Sifa with 129 locations of interest [2019-10-07 06:15:29,409 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 06:15:29,416 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 06:15:29,424 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 06:15:29,425 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 06:19:14,746 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1245 [2019-10-07 06:19:26,935 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 147 [2019-10-07 06:19:27,729 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1243 [2019-10-07 06:19:28,680 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1239 [2019-10-07 06:19:29,425 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 06:19:30,117 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2019-10-07 06:19:30,824 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 06:19:31,228 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 1228 [2019-10-07 06:19:31,584 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 1228 [2019-10-07 06:19:32,227 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:32,795 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:33,376 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:33,903 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:35,053 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1328 [2019-10-07 06:19:35,620 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:36,242 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:36,786 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:37,363 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:37,888 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 06:19:37,915 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 295 for LOIs [2019-10-07 06:19:38,598 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 06:19:38,612 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1338 for LOIs [2019-10-07 06:19:39,166 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 06:19:39,676 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 06:19:40,458 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1354 [2019-10-07 06:19:41,009 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:41,521 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:42,137 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:42,699 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:43,223 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:44,445 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:45,437 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 1360 DAG size of output: 1340 [2019-10-07 06:19:45,952 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:46,531 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:47,059 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:47,559 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:48,147 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:48,658 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:49,166 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:49,722 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:50,234 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:50,751 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:51,317 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:51,861 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:52,365 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:52,927 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:53,437 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:53,951 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:54,517 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:55,036 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:55,541 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:56,122 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:56,628 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:57,138 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:57,699 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:58,235 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:58,748 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:19:59,312 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:19:59,823 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:00,346 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:00,917 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:20:01,441 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:01,994 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:02,599 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:20:03,127 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:03,664 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:04,264 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:20:04,799 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:05,368 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:05,959 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:20:06,501 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:07,042 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:07,632 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:20:08,174 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:08,712 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 06:20:09,302 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1358 [2019-10-07 06:20:09,846 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:20:09,848 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 06:20:09,856 INFO L168 Benchmark]: Toolchain (without parser) took 303196.56 ms. Allocated memory was 145.2 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 93.1 MB in the beginning and 525.8 MB in the end (delta: -432.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 06:20:09,857 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 06:20:09,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2968.62 ms. Allocated memory was 145.2 MB in the beginning and 262.1 MB in the end (delta: 116.9 MB). Free memory was 92.6 MB in the beginning and 118.4 MB in the end (delta: -25.8 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:20:09,859 INFO L168 Benchmark]: Boogie Preprocessor took 329.86 ms. Allocated memory is still 262.1 MB. Free memory was 118.4 MB in the beginning and 92.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:20:09,866 INFO L168 Benchmark]: RCFGBuilder took 10919.47 ms. Allocated memory was 262.1 MB in the beginning and 396.9 MB in the end (delta: 134.7 MB). Free memory was 92.7 MB in the beginning and 276.7 MB in the end (delta: -184.0 MB). Peak memory consumption was 178.4 MB. Max. memory is 7.1 GB. [2019-10-07 06:20:09,867 INFO L168 Benchmark]: TraceAbstraction took 288973.53 ms. Allocated memory was 396.9 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 276.7 MB in the beginning and 525.8 MB in the end (delta: -249.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 06:20:09,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2968.62 ms. Allocated memory was 145.2 MB in the beginning and 262.1 MB in the end (delta: 116.9 MB). Free memory was 92.6 MB in the beginning and 118.4 MB in the end (delta: -25.8 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 329.86 ms. Allocated memory is still 262.1 MB. Free memory was 118.4 MB in the beginning and 92.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10919.47 ms. Allocated memory was 262.1 MB in the beginning and 396.9 MB in the end (delta: 134.7 MB). Free memory was 92.7 MB in the beginning and 276.7 MB in the end (delta: -184.0 MB). Peak memory consumption was 178.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 288973.53 ms. Allocated memory was 396.9 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 276.7 MB in the beginning and 525.8 MB in the end (delta: -249.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...