/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:26:29,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:26:29,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:26:29,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:26:29,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:26:29,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:26:29,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:26:29,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:26:29,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:26:29,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:26:29,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:26:29,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:26:29,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:26:29,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:26:29,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:26:29,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:26:29,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:26:29,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:26:29,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:26:29,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:26:29,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:26:29,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:26:29,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:26:29,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:26:29,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:26:29,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:26:29,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:26:29,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:26:29,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:26:29,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:26:29,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:26:29,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:26:29,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:26:29,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:26:29,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:26:29,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:26:29,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:26:29,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:26:29,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:26:29,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:26:29,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:26:29,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 02:26:29,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:26:29,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:26:29,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:26:29,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:26:29,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:26:29,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:26:29,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:26:29,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:26:29,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:26:29,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:26:29,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:26:29,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:26:29,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:26:29,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:26:29,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:26:29,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:26:29,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:26:29,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:26:29,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:26:29,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:26:29,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:26:29,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:26:29,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:26:29,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:26:29,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:26:29,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:26:29,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:26:29,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:26:29,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 02:26:29,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:26:29,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:26:29,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:26:29,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:26:29,885 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:26:29,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-11-07 02:26:29,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f677c38/3270b40d8b6b45dc991f470a620e9115/FLAG0ff823293 [2019-11-07 02:26:30,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:26:30,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-11-07 02:26:30,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f677c38/3270b40d8b6b45dc991f470a620e9115/FLAG0ff823293 [2019-11-07 02:26:30,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f677c38/3270b40d8b6b45dc991f470a620e9115 [2019-11-07 02:26:30,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:26:30,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:26:30,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:26:30,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:26:30,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:26:30,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:26:30" (1/1) ... [2019-11-07 02:26:30,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617c78c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:30, skipping insertion in model container [2019-11-07 02:26:30,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:26:30" (1/1) ... [2019-11-07 02:26:30,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:26:30,938 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:26:32,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:26:32,480 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:26:32,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:26:32,915 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:26:32,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32 WrapperNode [2019-11-07 02:26:32,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:26:32,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:26:32,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:26:32,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:26:32,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:32,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:33,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:33,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:33,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:33,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:33,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... [2019-11-07 02:26:33,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:26:33,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:26:33,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:26:33,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:26:33,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:26:33,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:26:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:26:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 02:26:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 02:26:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 02:26:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 02:26:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 02:26:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 02:26:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 02:26:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-11-07 02:26:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-11-07 02:26:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-11-07 02:26:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-11-07 02:26:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-11-07 02:26:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-07 02:26:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-07 02:26:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-07 02:26:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-07 02:26:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-07 02:26:33,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-07 02:26:33,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-07 02:26:33,281 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-11-07 02:26:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-11-07 02:26:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-11-07 02:26:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 02:26:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 02:26:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-11-07 02:26:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-11-07 02:26:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-11-07 02:26:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-11-07 02:26:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-11-07 02:26:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:26:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-11-07 02:26:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-11-07 02:26:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-11-07 02:26:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-11-07 02:26:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-11-07 02:26:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-11-07 02:26:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-11-07 02:26:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-11-07 02:26:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-11-07 02:26:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-11-07 02:26:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-11-07 02:26:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-11-07 02:26:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-11-07 02:26:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-11-07 02:26:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-11-07 02:26:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-11-07 02:26:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-11-07 02:26:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 02:26:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 02:26:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 02:26:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 02:26:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 02:26:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 02:26:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 02:26:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 02:26:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 02:26:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 02:26:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 02:26:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 02:26:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 02:26:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 02:26:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-11-07 02:26:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-11-07 02:26:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-11-07 02:26:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-11-07 02:26:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 02:26:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-11-07 02:26:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-11-07 02:26:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-11-07 02:26:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-11-07 02:26:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-11-07 02:26:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-11-07 02:26:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-11-07 02:26:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 02:26:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 02:26:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 02:26:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-11-07 02:26:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-11-07 02:26:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 02:26:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-11-07 02:26:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-11-07 02:26:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-11-07 02:26:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-11-07 02:26:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 02:26:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 02:26:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:26:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 02:26:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-07 02:26:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 02:26:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-07 02:26:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-07 02:26:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-07 02:26:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 02:26:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-07 02:26:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-07 02:26:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-07 02:26:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 02:26:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 02:26:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 02:26:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 02:26:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 02:26:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:26:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 02:26:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:26:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 02:26:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 02:26:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:26:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 02:26:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 02:26:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 02:26:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-11-07 02:26:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-11-07 02:26:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:26:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:26:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-11-07 02:26:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:26:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-11-07 02:26:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-11-07 02:26:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-11-07 02:26:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-11-07 02:26:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-11-07 02:26:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-11-07 02:26:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 02:26:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 02:26:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 02:26:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 02:26:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-11-07 02:26:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-11-07 02:26:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-11-07 02:26:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-11-07 02:26:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-11-07 02:26:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-11-07 02:26:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-11-07 02:26:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-11-07 02:26:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-11-07 02:26:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-11-07 02:26:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-11-07 02:26:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-11-07 02:26:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-11-07 02:26:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-11-07 02:26:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-11-07 02:26:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-11-07 02:26:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-11-07 02:26:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-11-07 02:26:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-11-07 02:26:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-11-07 02:26:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-11-07 02:26:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-11-07 02:26:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-11-07 02:26:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-11-07 02:26:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-11-07 02:26:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-11-07 02:26:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-11-07 02:26:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-11-07 02:26:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-11-07 02:26:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 02:26:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:26:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 02:26:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-11-07 02:26:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-11-07 02:26:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 02:26:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 02:26:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-11-07 02:26:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-11-07 02:26:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-11-07 02:26:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-11-07 02:26:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-11-07 02:26:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-11-07 02:26:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 02:26:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-11-07 02:26:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-11-07 02:26:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 02:26:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:26:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-11-07 02:26:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-11-07 02:26:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 02:26:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-11-07 02:26:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-11-07 02:26:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-11-07 02:26:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-11-07 02:26:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-11-07 02:26:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-11-07 02:26:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-11-07 02:26:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-11-07 02:26:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-11-07 02:26:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-11-07 02:26:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-11-07 02:26:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-11-07 02:26:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-11-07 02:26:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-11-07 02:26:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-11-07 02:26:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-11-07 02:26:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-11-07 02:26:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-11-07 02:26:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-11-07 02:26:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-11-07 02:26:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-11-07 02:26:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-11-07 02:26:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 02:26:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 02:26:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:26:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 02:26:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 02:26:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-07 02:26:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 02:26:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 02:26:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 02:26:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 02:26:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 02:26:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 02:26:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 02:26:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 02:26:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 02:26:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-11-07 02:26:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 02:26:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 02:26:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:26:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:26:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 02:26:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 02:26:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:26:38,716 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:26:38,717 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 02:26:38,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:26:38 BoogieIcfgContainer [2019-11-07 02:26:38,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:26:38,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:26:38,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:26:38,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:26:38,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:26:30" (1/3) ... [2019-11-07 02:26:38,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71394434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:26:38, skipping insertion in model container [2019-11-07 02:26:38,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:32" (2/3) ... [2019-11-07 02:26:38,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71394434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:26:38, skipping insertion in model container [2019-11-07 02:26:38,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:26:38" (3/3) ... [2019-11-07 02:26:38,727 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-11-07 02:26:38,737 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:26:38,751 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:26:38,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:26:38,808 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:26:38,809 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:26:38,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:26:38,809 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:26:38,809 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:26:38,809 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:26:38,809 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:26:38,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:26:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states. [2019-11-07 02:26:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-07 02:26:38,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:38,879 INFO L410 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] [2019-11-07 02:26:38,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:38,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:38,889 INFO L82 PathProgramCache]: Analyzing trace with hash 616432345, now seen corresponding path program 1 times [2019-11-07 02:26:38,900 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:38,900 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338148115] [2019-11-07 02:26:38,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:39,483 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338148115] [2019-11-07 02:26:39,485 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:39,485 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:39,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577007458] [2019-11-07 02:26:39,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:39,493 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:39,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:39,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:39,510 INFO L87 Difference]: Start difference. First operand 773 states. Second operand 3 states. [2019-11-07 02:26:39,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:39,799 INFO L93 Difference]: Finished difference Result 2007 states and 2828 transitions. [2019-11-07 02:26:39,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:39,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-07 02:26:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:39,840 INFO L225 Difference]: With dead ends: 2007 [2019-11-07 02:26:39,840 INFO L226 Difference]: Without dead ends: 1317 [2019-11-07 02:26:39,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-11-07 02:26:40,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1288. [2019-11-07 02:26:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2019-11-07 02:26:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1761 transitions. [2019-11-07 02:26:40,090 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1761 transitions. Word has length 33 [2019-11-07 02:26:40,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:40,091 INFO L462 AbstractCegarLoop]: Abstraction has 1288 states and 1761 transitions. [2019-11-07 02:26:40,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1761 transitions. [2019-11-07 02:26:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-07 02:26:40,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:40,111 INFO L410 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] [2019-11-07 02:26:40,112 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:40,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:40,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1235393503, now seen corresponding path program 1 times [2019-11-07 02:26:40,112 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:40,112 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786913864] [2019-11-07 02:26:40,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:40,324 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786913864] [2019-11-07 02:26:40,324 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:40,324 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:40,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607483199] [2019-11-07 02:26:40,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:40,330 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:40,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:40,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:40,330 INFO L87 Difference]: Start difference. First operand 1288 states and 1761 transitions. Second operand 3 states. [2019-11-07 02:26:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:40,639 INFO L93 Difference]: Finished difference Result 3179 states and 4351 transitions. [2019-11-07 02:26:40,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:40,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-11-07 02:26:40,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:40,654 INFO L225 Difference]: With dead ends: 3179 [2019-11-07 02:26:40,654 INFO L226 Difference]: Without dead ends: 1900 [2019-11-07 02:26:40,660 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2019-11-07 02:26:40,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1896. [2019-11-07 02:26:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-11-07 02:26:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2593 transitions. [2019-11-07 02:26:40,752 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2593 transitions. Word has length 31 [2019-11-07 02:26:40,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:40,752 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 2593 transitions. [2019-11-07 02:26:40,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2593 transitions. [2019-11-07 02:26:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-07 02:26:40,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:40,755 INFO L410 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] [2019-11-07 02:26:40,756 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:40,756 INFO L82 PathProgramCache]: Analyzing trace with hash -376057016, now seen corresponding path program 1 times [2019-11-07 02:26:40,757 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:40,757 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860845460] [2019-11-07 02:26:40,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:40,905 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860845460] [2019-11-07 02:26:40,906 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:40,906 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:40,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253583731] [2019-11-07 02:26:40,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:40,907 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:40,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:40,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:40,910 INFO L87 Difference]: Start difference. First operand 1896 states and 2593 transitions. Second operand 3 states. [2019-11-07 02:26:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:41,081 INFO L93 Difference]: Finished difference Result 4960 states and 6782 transitions. [2019-11-07 02:26:41,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:41,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-11-07 02:26:41,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:41,104 INFO L225 Difference]: With dead ends: 4960 [2019-11-07 02:26:41,104 INFO L226 Difference]: Without dead ends: 3073 [2019-11-07 02:26:41,113 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:41,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3073 states. [2019-11-07 02:26:41,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3073 to 3044. [2019-11-07 02:26:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2019-11-07 02:26:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4163 transitions. [2019-11-07 02:26:41,271 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4163 transitions. Word has length 35 [2019-11-07 02:26:41,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:41,272 INFO L462 AbstractCegarLoop]: Abstraction has 3044 states and 4163 transitions. [2019-11-07 02:26:41,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:41,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4163 transitions. [2019-11-07 02:26:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-07 02:26:41,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:41,276 INFO L410 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] [2019-11-07 02:26:41,276 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:41,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:41,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1695829988, now seen corresponding path program 1 times [2019-11-07 02:26:41,276 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:41,277 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660957064] [2019-11-07 02:26:41,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:41,452 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660957064] [2019-11-07 02:26:41,454 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:41,454 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:41,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030540565] [2019-11-07 02:26:41,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:41,455 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:41,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:41,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:41,456 INFO L87 Difference]: Start difference. First operand 3044 states and 4163 transitions. Second operand 3 states. [2019-11-07 02:26:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:41,706 INFO L93 Difference]: Finished difference Result 3046 states and 4164 transitions. [2019-11-07 02:26:41,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:41,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-07 02:26:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:41,728 INFO L225 Difference]: With dead ends: 3046 [2019-11-07 02:26:41,728 INFO L226 Difference]: Without dead ends: 3043 [2019-11-07 02:26:41,730 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2019-11-07 02:26:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 3043. [2019-11-07 02:26:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2019-11-07 02:26:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4161 transitions. [2019-11-07 02:26:41,991 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4161 transitions. Word has length 34 [2019-11-07 02:26:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:41,991 INFO L462 AbstractCegarLoop]: Abstraction has 3043 states and 4161 transitions. [2019-11-07 02:26:41,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4161 transitions. [2019-11-07 02:26:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-07 02:26:41,995 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:41,995 INFO L410 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] [2019-11-07 02:26:41,995 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:41,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:41,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1030608465, now seen corresponding path program 1 times [2019-11-07 02:26:41,996 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:41,996 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882741422] [2019-11-07 02:26:41,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:42,151 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882741422] [2019-11-07 02:26:42,151 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:42,151 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:42,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560955356] [2019-11-07 02:26:42,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:42,152 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:42,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:42,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:42,153 INFO L87 Difference]: Start difference. First operand 3043 states and 4161 transitions. Second operand 3 states. [2019-11-07 02:26:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:42,346 INFO L93 Difference]: Finished difference Result 3045 states and 4162 transitions. [2019-11-07 02:26:42,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:42,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-11-07 02:26:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:42,365 INFO L225 Difference]: With dead ends: 3045 [2019-11-07 02:26:42,365 INFO L226 Difference]: Without dead ends: 3042 [2019-11-07 02:26:42,367 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:42,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2019-11-07 02:26:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2019-11-07 02:26:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2019-11-07 02:26:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4159 transitions. [2019-11-07 02:26:42,518 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4159 transitions. Word has length 35 [2019-11-07 02:26:42,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:42,518 INFO L462 AbstractCegarLoop]: Abstraction has 3042 states and 4159 transitions. [2019-11-07 02:26:42,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4159 transitions. [2019-11-07 02:26:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-07 02:26:42,520 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:42,521 INFO L410 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] [2019-11-07 02:26:42,521 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:42,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:42,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1883582599, now seen corresponding path program 1 times [2019-11-07 02:26:42,521 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:42,522 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843303623] [2019-11-07 02:26:42,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:42,655 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843303623] [2019-11-07 02:26:42,656 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:42,656 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:42,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284532477] [2019-11-07 02:26:42,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:42,657 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:42,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:42,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:42,657 INFO L87 Difference]: Start difference. First operand 3042 states and 4159 transitions. Second operand 3 states. [2019-11-07 02:26:42,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:42,862 INFO L93 Difference]: Finished difference Result 3044 states and 4160 transitions. [2019-11-07 02:26:42,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:42,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-07 02:26:42,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:42,881 INFO L225 Difference]: With dead ends: 3044 [2019-11-07 02:26:42,881 INFO L226 Difference]: Without dead ends: 3041 [2019-11-07 02:26:42,883 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:42,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2019-11-07 02:26:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3041. [2019-11-07 02:26:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3041 states. [2019-11-07 02:26:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4157 transitions. [2019-11-07 02:26:43,132 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4157 transitions. Word has length 36 [2019-11-07 02:26:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:43,133 INFO L462 AbstractCegarLoop]: Abstraction has 3041 states and 4157 transitions. [2019-11-07 02:26:43,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4157 transitions. [2019-11-07 02:26:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-07 02:26:43,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:43,134 INFO L410 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] [2019-11-07 02:26:43,135 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:43,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:43,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1738985452, now seen corresponding path program 1 times [2019-11-07 02:26:43,135 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:43,135 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671258309] [2019-11-07 02:26:43,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:43,264 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671258309] [2019-11-07 02:26:43,265 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:43,265 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:43,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645167043] [2019-11-07 02:26:43,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:43,266 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:43,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:43,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:43,266 INFO L87 Difference]: Start difference. First operand 3041 states and 4157 transitions. Second operand 3 states. [2019-11-07 02:26:43,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:43,534 INFO L93 Difference]: Finished difference Result 6562 states and 9027 transitions. [2019-11-07 02:26:43,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:43,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-07 02:26:43,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:43,557 INFO L225 Difference]: With dead ends: 6562 [2019-11-07 02:26:43,557 INFO L226 Difference]: Without dead ends: 3518 [2019-11-07 02:26:43,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2019-11-07 02:26:43,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3491. [2019-11-07 02:26:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3491 states. [2019-11-07 02:26:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4732 transitions. [2019-11-07 02:26:43,753 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4732 transitions. Word has length 37 [2019-11-07 02:26:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:43,753 INFO L462 AbstractCegarLoop]: Abstraction has 3491 states and 4732 transitions. [2019-11-07 02:26:43,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4732 transitions. [2019-11-07 02:26:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-07 02:26:43,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:43,764 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:43,764 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:43,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:43,765 INFO L82 PathProgramCache]: Analyzing trace with hash -560787085, now seen corresponding path program 1 times [2019-11-07 02:26:43,765 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:43,765 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505800449] [2019-11-07 02:26:43,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 02:26:43,951 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505800449] [2019-11-07 02:26:43,952 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:43,952 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:43,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008713402] [2019-11-07 02:26:43,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:43,953 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:43,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:43,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:43,953 INFO L87 Difference]: Start difference. First operand 3491 states and 4732 transitions. Second operand 3 states. [2019-11-07 02:26:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:44,390 INFO L93 Difference]: Finished difference Result 4003 states and 5356 transitions. [2019-11-07 02:26:44,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:44,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-11-07 02:26:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:44,417 INFO L225 Difference]: With dead ends: 4003 [2019-11-07 02:26:44,418 INFO L226 Difference]: Without dead ends: 3489 [2019-11-07 02:26:44,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:44,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2019-11-07 02:26:44,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3477. [2019-11-07 02:26:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2019-11-07 02:26:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4687 transitions. [2019-11-07 02:26:44,627 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4687 transitions. Word has length 68 [2019-11-07 02:26:44,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:44,628 INFO L462 AbstractCegarLoop]: Abstraction has 3477 states and 4687 transitions. [2019-11-07 02:26:44,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4687 transitions. [2019-11-07 02:26:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-07 02:26:44,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:44,638 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:44,639 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:44,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:44,639 INFO L82 PathProgramCache]: Analyzing trace with hash 911448743, now seen corresponding path program 1 times [2019-11-07 02:26:44,639 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:44,639 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794243187] [2019-11-07 02:26:44,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 02:26:44,794 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794243187] [2019-11-07 02:26:44,795 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:44,795 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:44,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829031575] [2019-11-07 02:26:44,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:44,797 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:44,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:44,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:44,798 INFO L87 Difference]: Start difference. First operand 3477 states and 4687 transitions. Second operand 3 states. [2019-11-07 02:26:45,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:45,084 INFO L93 Difference]: Finished difference Result 9758 states and 13114 transitions. [2019-11-07 02:26:45,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:45,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-11-07 02:26:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:45,136 INFO L225 Difference]: With dead ends: 9758 [2019-11-07 02:26:45,136 INFO L226 Difference]: Without dead ends: 6290 [2019-11-07 02:26:45,151 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:45,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2019-11-07 02:26:45,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 6262. [2019-11-07 02:26:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6262 states. [2019-11-07 02:26:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8404 transitions. [2019-11-07 02:26:45,655 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8404 transitions. Word has length 120 [2019-11-07 02:26:45,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:45,655 INFO L462 AbstractCegarLoop]: Abstraction has 6262 states and 8404 transitions. [2019-11-07 02:26:45,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8404 transitions. [2019-11-07 02:26:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-07 02:26:45,690 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:45,691 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:45,691 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:45,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:45,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1007265875, now seen corresponding path program 1 times [2019-11-07 02:26:45,692 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:45,692 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907529132] [2019-11-07 02:26:45,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 02:26:45,936 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907529132] [2019-11-07 02:26:45,937 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:45,937 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:45,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417596773] [2019-11-07 02:26:45,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:45,939 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:45,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:45,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:45,940 INFO L87 Difference]: Start difference. First operand 6262 states and 8404 transitions. Second operand 3 states. [2019-11-07 02:26:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:46,385 INFO L93 Difference]: Finished difference Result 16220 states and 21753 transitions. [2019-11-07 02:26:46,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:46,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-07 02:26:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:46,453 INFO L225 Difference]: With dead ends: 16220 [2019-11-07 02:26:46,453 INFO L226 Difference]: Without dead ends: 9967 [2019-11-07 02:26:46,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2019-11-07 02:26:47,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9939. [2019-11-07 02:26:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9939 states. [2019-11-07 02:26:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9939 states to 9939 states and 13322 transitions. [2019-11-07 02:26:47,592 INFO L78 Accepts]: Start accepts. Automaton has 9939 states and 13322 transitions. Word has length 122 [2019-11-07 02:26:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:47,592 INFO L462 AbstractCegarLoop]: Abstraction has 9939 states and 13322 transitions. [2019-11-07 02:26:47,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 9939 states and 13322 transitions. [2019-11-07 02:26:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-07 02:26:47,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:47,627 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:47,627 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:47,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1385068002, now seen corresponding path program 1 times [2019-11-07 02:26:47,628 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:47,628 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493685102] [2019-11-07 02:26:47,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-07 02:26:48,156 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493685102] [2019-11-07 02:26:48,157 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:48,157 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-07 02:26:48,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621915067] [2019-11-07 02:26:48,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-07 02:26:48,158 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:48,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-07 02:26:48,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-11-07 02:26:48,159 INFO L87 Difference]: Start difference. First operand 9939 states and 13322 transitions. Second operand 16 states. [2019-11-07 02:26:48,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:48,794 INFO L93 Difference]: Finished difference Result 20369 states and 27581 transitions. [2019-11-07 02:26:48,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 02:26:48,795 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 140 [2019-11-07 02:26:48,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:48,839 INFO L225 Difference]: With dead ends: 20369 [2019-11-07 02:26:48,839 INFO L226 Difference]: Without dead ends: 10563 [2019-11-07 02:26:48,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2019-11-07 02:26:48,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10563 states. [2019-11-07 02:26:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10563 to 10259. [2019-11-07 02:26:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10259 states. [2019-11-07 02:26:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10259 states to 10259 states and 13738 transitions. [2019-11-07 02:26:49,329 INFO L78 Accepts]: Start accepts. Automaton has 10259 states and 13738 transitions. Word has length 140 [2019-11-07 02:26:49,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:49,331 INFO L462 AbstractCegarLoop]: Abstraction has 10259 states and 13738 transitions. [2019-11-07 02:26:49,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-07 02:26:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10259 states and 13738 transitions. [2019-11-07 02:26:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-07 02:26:49,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:49,367 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:49,367 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:49,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:49,367 INFO L82 PathProgramCache]: Analyzing trace with hash 268359456, now seen corresponding path program 1 times [2019-11-07 02:26:49,368 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:49,368 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94625032] [2019-11-07 02:26:49,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-07 02:26:49,908 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94625032] [2019-11-07 02:26:49,909 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173347217] [2019-11-07 02:26:49,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 02:26:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:50,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 76 conjunts are in the unsatisfiable core [2019-11-07 02:26:50,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:26:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-07 02:26:50,985 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 02:26:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-07 02:26:52,707 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [272768890] [2019-11-07 02:26:52,740 INFO L159 IcfgInterpreter]: Started Sifa with 112 locations of interest [2019-11-07 02:26:52,740 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 02:26:52,748 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 02:26:52,755 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 02:26:52,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs