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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -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 0.1.24-112bae1 [2019-09-10 10:36:13,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:36:13,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:36:13,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:36:13,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:36:13,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:36:13,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:36:13,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:36:13,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:36:13,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:36:13,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:36:13,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:36:13,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:36:13,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:36:13,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:36:13,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:36:13,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:36:13,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:36:13,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:36:13,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:36:13,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:36:13,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:36:13,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:36:13,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:36:13,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:36:13,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:36:13,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:36:13,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:36:13,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:36:13,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:36:13,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:36:13,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:36:13,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:36:13,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:36:13,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:36:13,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:36:13,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:36:13,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:36:13,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:36:13,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:36:13,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:36:13,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:36:13,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:36:13,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:36:13,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:36:13,395 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:36:13,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:36:13,396 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:36:13,397 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:36:13,397 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:36:13,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:36:13,397 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:36:13,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:36:13,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:36:13,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:36:13,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:36:13,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:36:13,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:36:13,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:36:13,399 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:36:13,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:36:13,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:36:13,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:36:13,400 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:36:13,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:36:13,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:36:13,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:36:13,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:36:13,401 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:36:13,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:36:13,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:36:13,402 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:36:13,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:36:13,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:36:13,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:36:13,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:36:13,462 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:36:13,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-09-10 10:36:13,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75299610d/ea69d48d4ccd44bdb215b959bd3c735f/FLAG6234ed71e [2019-09-10 10:36:14,374 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:36:14,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-09-10 10:36:14,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75299610d/ea69d48d4ccd44bdb215b959bd3c735f/FLAG6234ed71e [2019-09-10 10:36:14,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75299610d/ea69d48d4ccd44bdb215b959bd3c735f [2019-09-10 10:36:14,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:36:14,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:36:14,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:36:14,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:36:14,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:36:14,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:36:14" (1/1) ... [2019-09-10 10:36:14,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612f6629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:14, skipping insertion in model container [2019-09-10 10:36:14,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:36:14" (1/1) ... [2019-09-10 10:36:14,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:36:15,059 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:36:16,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:36:16,326 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:36:16,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:36:16,784 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:36:16,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16 WrapperNode [2019-09-10 10:36:16,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:36:16,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:36:16,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:36:16,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:36:16,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:16,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:16,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:16,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:17,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:17,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:17,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... [2019-09-10 10:36:17,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:36:17,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:36:17,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:36:17,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:36:17,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:36:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:36:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:36:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:36:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:36:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:36:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:36:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:36:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:36:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:36:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-09-10 10:36:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-09-10 10:36:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-09-10 10:36:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-09-10 10:36:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-09-10 10:36:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 10:36:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 10:36:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 10:36:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 10:36:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 10:36:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-10 10:36:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 10:36:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-10 10:36:17,298 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-10 10:36:17,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-09-10 10:36:17,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-10 10:36:17,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-10 10:36:17,299 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-09-10 10:36:17,299 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-09-10 10:36:17,300 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-09-10 10:36:17,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-09-10 10:36:17,300 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-09-10 10:36:17,300 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-09-10 10:36:17,300 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-09-10 10:36:17,300 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-09-10 10:36:17,301 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-09-10 10:36:17,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-09-10 10:36:17,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-09-10 10:36:17,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-09-10 10:36:17,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-09-10 10:36:17,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-09-10 10:36:17,302 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-09-10 10:36:17,302 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-09-10 10:36:17,302 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-09-10 10:36:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-09-10 10:36:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-09-10 10:36:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-09-10 10:36:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-09-10 10:36:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-09-10 10:36:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-09-10 10:36:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-09-10 10:36:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-09-10 10:36:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-09-10 10:36:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-09-10 10:36:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-09-10 10:36:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-09-10 10:36:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:36:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-10 10:36:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-10 10:36:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-10 10:36:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-09-10 10:36:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-10 10:36:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-09-10 10:36:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-10 10:36:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-09-10 10:36:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-09-10 10:36:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-09-10 10:36:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-09-10 10:36:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:36:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:36:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:36:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 10:36:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 10:36:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:36:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 10:36:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 10:36:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:36:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:36:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:36:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:36:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:36:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:36:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:36:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:36:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 10:36:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-09-10 10:36:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-09-10 10:36:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-09-10 10:36:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-09-10 10:36:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:36:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-10 10:36:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-10 10:36:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-10 10:36:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-09-10 10:36:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-09-10 10:36:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-09-10 10:36:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-09-10 10:36:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 10:36:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 10:36:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:36:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-09-10 10:36:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-09-10 10:36:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:36:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-09-10 10:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-09-10 10:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-09-10 10:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-09-10 10:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:36:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:36:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:36:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 10:36:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 10:36:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:36:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 10:36:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 10:36:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 10:36:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 10:36:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 10:36:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:36:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:36:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:36:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:36:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:36:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:36:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:36:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-09-10 10:36:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-09-10 10:36:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-10 10:36:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-09-10 10:36:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-09-10 10:36:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-09-10 10:36:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-09-10 10:36:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:36:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-10 10:36:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-09-10 10:36:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-09-10 10:36:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-09-10 10:36:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-09-10 10:36:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-09-10 10:36:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:36:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:36:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:36:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:36:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:36:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:36:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 10:36:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:36:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 10:36:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:36:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:36:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:36:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:36:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-09-10 10:36:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:36:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:36:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:36:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:36:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:36:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:36:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:36:21,104 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:36:21,106 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:36:21,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:36:21 BoogieIcfgContainer [2019-09-10 10:36:21,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:36:21,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:36:21,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:36:21,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:36:21,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:36:14" (1/3) ... [2019-09-10 10:36:21,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ab0e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:36:21, skipping insertion in model container [2019-09-10 10:36:21,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:36:16" (2/3) ... [2019-09-10 10:36:21,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ab0e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:36:21, skipping insertion in model container [2019-09-10 10:36:21,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:36:21" (3/3) ... [2019-09-10 10:36:21,120 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-09-10 10:36:21,130 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:36:21,140 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:36:21,156 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:36:21,183 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:36:21,183 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:36:21,183 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:36:21,183 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:36:21,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:36:21,184 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:36:21,184 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:36:21,184 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:36:21,223 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states. [2019-09-10 10:36:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-09-10 10:36:21,245 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:21,246 INFO L399 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] [2019-09-10 10:36:21,249 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:21,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:21,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1883563716, now seen corresponding path program 1 times [2019-09-10 10:36:21,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:21,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:21,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:21,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:21,328 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:21,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:21,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:21,766 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:21,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:21,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:21,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:21,795 INFO L87 Difference]: Start difference. First operand 971 states. Second operand 3 states. [2019-09-10 10:36:22,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:22,038 INFO L93 Difference]: Finished difference Result 1638 states and 2232 transitions. [2019-09-10 10:36:22,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:22,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-09-10 10:36:22,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:22,073 INFO L225 Difference]: With dead ends: 1638 [2019-09-10 10:36:22,073 INFO L226 Difference]: Without dead ends: 1624 [2019-09-10 10:36:22,075 INFO L628 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 [2019-09-10 10:36:22,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2019-09-10 10:36:22,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1603. [2019-09-10 10:36:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2019-09-10 10:36:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2195 transitions. [2019-09-10 10:36:22,273 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2195 transitions. Word has length 37 [2019-09-10 10:36:22,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:22,273 INFO L475 AbstractCegarLoop]: Abstraction has 1603 states and 2195 transitions. [2019-09-10 10:36:22,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2195 transitions. [2019-09-10 10:36:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-10 10:36:22,279 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:22,279 INFO L399 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] [2019-09-10 10:36:22,279 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash -633769266, now seen corresponding path program 1 times [2019-09-10 10:36:22,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:22,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:22,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:22,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:22,285 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:22,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:22,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:22,420 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:22,422 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:22,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:22,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:22,423 INFO L87 Difference]: Start difference. First operand 1603 states and 2195 transitions. Second operand 3 states. [2019-09-10 10:36:22,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:22,653 INFO L93 Difference]: Finished difference Result 3154 states and 4325 transitions. [2019-09-10 10:36:22,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:22,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-10 10:36:22,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:22,678 INFO L225 Difference]: With dead ends: 3154 [2019-09-10 10:36:22,678 INFO L226 Difference]: Without dead ends: 3154 [2019-09-10 10:36:22,680 INFO L628 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 [2019-09-10 10:36:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2019-09-10 10:36:22,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2019-09-10 10:36:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3150 states. [2019-09-10 10:36:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4322 transitions. [2019-09-10 10:36:22,799 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4322 transitions. Word has length 34 [2019-09-10 10:36:22,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:22,799 INFO L475 AbstractCegarLoop]: Abstraction has 3150 states and 4322 transitions. [2019-09-10 10:36:22,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4322 transitions. [2019-09-10 10:36:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-10 10:36:22,803 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:22,803 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:22,803 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:22,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:22,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1131553523, now seen corresponding path program 1 times [2019-09-10 10:36:22,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:22,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:22,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:22,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:22,807 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:22,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:22,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:22,980 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:22,980 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:22,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:22,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:22,981 INFO L87 Difference]: Start difference. First operand 3150 states and 4322 transitions. Second operand 3 states. [2019-09-10 10:36:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:23,126 INFO L93 Difference]: Finished difference Result 6141 states and 8413 transitions. [2019-09-10 10:36:23,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:23,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-10 10:36:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:23,172 INFO L225 Difference]: With dead ends: 6141 [2019-09-10 10:36:23,172 INFO L226 Difference]: Without dead ends: 6141 [2019-09-10 10:36:23,172 INFO L628 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 [2019-09-10 10:36:23,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2019-09-10 10:36:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 6120. [2019-09-10 10:36:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6120 states. [2019-09-10 10:36:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 8390 transitions. [2019-09-10 10:36:23,607 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 8390 transitions. Word has length 39 [2019-09-10 10:36:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:23,607 INFO L475 AbstractCegarLoop]: Abstraction has 6120 states and 8390 transitions. [2019-09-10 10:36:23,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 8390 transitions. [2019-09-10 10:36:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-10 10:36:23,610 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:23,610 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:23,611 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:23,611 INFO L82 PathProgramCache]: Analyzing trace with hash 374043500, now seen corresponding path program 1 times [2019-09-10 10:36:23,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:23,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:23,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:23,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:23,616 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:23,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:23,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:23,741 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:23,742 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:23,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:23,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:23,743 INFO L87 Difference]: Start difference. First operand 6120 states and 8390 transitions. Second operand 3 states. [2019-09-10 10:36:23,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:23,969 INFO L93 Difference]: Finished difference Result 6119 states and 8388 transitions. [2019-09-10 10:36:23,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:23,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-09-10 10:36:23,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:24,008 INFO L225 Difference]: With dead ends: 6119 [2019-09-10 10:36:24,009 INFO L226 Difference]: Without dead ends: 6119 [2019-09-10 10:36:24,009 INFO L628 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 [2019-09-10 10:36:24,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2019-09-10 10:36:24,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 6119. [2019-09-10 10:36:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6119 states. [2019-09-10 10:36:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6119 states to 6119 states and 8388 transitions. [2019-09-10 10:36:24,218 INFO L78 Accepts]: Start accepts. Automaton has 6119 states and 8388 transitions. Word has length 38 [2019-09-10 10:36:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:24,219 INFO L475 AbstractCegarLoop]: Abstraction has 6119 states and 8388 transitions. [2019-09-10 10:36:24,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 6119 states and 8388 transitions. [2019-09-10 10:36:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-10 10:36:24,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:24,223 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:24,223 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:24,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1290066999, now seen corresponding path program 1 times [2019-09-10 10:36:24,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:24,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:24,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:24,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:24,229 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:24,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:24,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:24,410 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:24,411 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:24,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:24,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:24,411 INFO L87 Difference]: Start difference. First operand 6119 states and 8388 transitions. Second operand 3 states. [2019-09-10 10:36:24,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:24,583 INFO L93 Difference]: Finished difference Result 6118 states and 8386 transitions. [2019-09-10 10:36:24,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:24,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-10 10:36:24,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:24,622 INFO L225 Difference]: With dead ends: 6118 [2019-09-10 10:36:24,623 INFO L226 Difference]: Without dead ends: 6118 [2019-09-10 10:36:24,623 INFO L628 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 [2019-09-10 10:36:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6118 states. [2019-09-10 10:36:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6118 to 6118. [2019-09-10 10:36:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6118 states. [2019-09-10 10:36:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8386 transitions. [2019-09-10 10:36:25,036 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8386 transitions. Word has length 39 [2019-09-10 10:36:25,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:25,037 INFO L475 AbstractCegarLoop]: Abstraction has 6118 states and 8386 transitions. [2019-09-10 10:36:25,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8386 transitions. [2019-09-10 10:36:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-10 10:36:25,042 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:25,042 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:25,042 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:25,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:25,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1337880049, now seen corresponding path program 1 times [2019-09-10 10:36:25,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:25,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:25,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:25,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:25,054 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:25,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:25,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:25,215 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:25,215 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:25,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:25,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:25,216 INFO L87 Difference]: Start difference. First operand 6118 states and 8386 transitions. Second operand 3 states. [2019-09-10 10:36:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:25,414 INFO L93 Difference]: Finished difference Result 6117 states and 8384 transitions. [2019-09-10 10:36:25,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:25,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-10 10:36:25,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:25,459 INFO L225 Difference]: With dead ends: 6117 [2019-09-10 10:36:25,459 INFO L226 Difference]: Without dead ends: 6117 [2019-09-10 10:36:25,459 INFO L628 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 [2019-09-10 10:36:25,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2019-09-10 10:36:25,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117. [2019-09-10 10:36:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6117 states. [2019-09-10 10:36:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8384 transitions. [2019-09-10 10:36:25,645 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8384 transitions. Word has length 40 [2019-09-10 10:36:25,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:25,646 INFO L475 AbstractCegarLoop]: Abstraction has 6117 states and 8384 transitions. [2019-09-10 10:36:25,646 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8384 transitions. [2019-09-10 10:36:25,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-10 10:36:25,649 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:25,650 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:25,650 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:25,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:25,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1474887564, now seen corresponding path program 1 times [2019-09-10 10:36:25,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:25,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:25,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:25,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:25,653 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:25,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:25,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:25,832 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:25,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:25,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:25,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:25,835 INFO L87 Difference]: Start difference. First operand 6117 states and 8384 transitions. Second operand 3 states. [2019-09-10 10:36:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:26,134 INFO L93 Difference]: Finished difference Result 7383 states and 10034 transitions. [2019-09-10 10:36:26,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:26,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-10 10:36:26,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:26,181 INFO L225 Difference]: With dead ends: 7383 [2019-09-10 10:36:26,181 INFO L226 Difference]: Without dead ends: 7370 [2019-09-10 10:36:26,182 INFO L628 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 [2019-09-10 10:36:26,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2019-09-10 10:36:26,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 7320. [2019-09-10 10:36:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7320 states. [2019-09-10 10:36:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7320 states to 7320 states and 9965 transitions. [2019-09-10 10:36:26,394 INFO L78 Accepts]: Start accepts. Automaton has 7320 states and 9965 transitions. Word has length 41 [2019-09-10 10:36:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:26,397 INFO L475 AbstractCegarLoop]: Abstraction has 7320 states and 9965 transitions. [2019-09-10 10:36:26,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 7320 states and 9965 transitions. [2019-09-10 10:36:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 10:36:26,406 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:26,406 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:26,407 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:26,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:26,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1002028891, now seen corresponding path program 1 times [2019-09-10 10:36:26,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:26,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:26,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:26,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:26,411 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 10:36:26,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:26,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:26,562 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:26,563 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:26,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:26,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:26,564 INFO L87 Difference]: Start difference. First operand 7320 states and 9965 transitions. Second operand 3 states. [2019-09-10 10:36:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:26,767 INFO L93 Difference]: Finished difference Result 7318 states and 9902 transitions. [2019-09-10 10:36:26,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:26,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-10 10:36:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:26,799 INFO L225 Difference]: With dead ends: 7318 [2019-09-10 10:36:26,799 INFO L226 Difference]: Without dead ends: 7318 [2019-09-10 10:36:26,799 INFO L628 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 [2019-09-10 10:36:26,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2019-09-10 10:36:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 7286. [2019-09-10 10:36:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7286 states. [2019-09-10 10:36:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 9871 transitions. [2019-09-10 10:36:27,113 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 9871 transitions. Word has length 77 [2019-09-10 10:36:27,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:27,114 INFO L475 AbstractCegarLoop]: Abstraction has 7286 states and 9871 transitions. [2019-09-10 10:36:27,114 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 9871 transitions. [2019-09-10 10:36:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-10 10:36:27,138 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:27,138 INFO L399 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, 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] [2019-09-10 10:36:27,138 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:27,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:27,139 INFO L82 PathProgramCache]: Analyzing trace with hash 897760997, now seen corresponding path program 1 times [2019-09-10 10:36:27,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:27,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:27,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:27,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:27,142 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 10:36:27,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:27,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:27,295 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:27,296 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:27,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:27,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:27,297 INFO L87 Difference]: Start difference. First operand 7286 states and 9871 transitions. Second operand 3 states. [2019-09-10 10:36:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:27,445 INFO L93 Difference]: Finished difference Result 14385 states and 19419 transitions. [2019-09-10 10:36:27,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:27,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-09-10 10:36:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:27,505 INFO L225 Difference]: With dead ends: 14385 [2019-09-10 10:36:27,505 INFO L226 Difference]: Without dead ends: 14385 [2019-09-10 10:36:27,505 INFO L628 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 [2019-09-10 10:36:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14385 states. [2019-09-10 10:36:27,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14385 to 14366. [2019-09-10 10:36:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14366 states. [2019-09-10 10:36:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14366 states to 14366 states and 19401 transitions. [2019-09-10 10:36:27,946 INFO L78 Accepts]: Start accepts. Automaton has 14366 states and 19401 transitions. Word has length 149 [2019-09-10 10:36:27,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:27,946 INFO L475 AbstractCegarLoop]: Abstraction has 14366 states and 19401 transitions. [2019-09-10 10:36:27,946 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 14366 states and 19401 transitions. [2019-09-10 10:36:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-10 10:36:27,979 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:27,979 INFO L399 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, 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] [2019-09-10 10:36:27,980 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:27,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:27,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1669055563, now seen corresponding path program 1 times [2019-09-10 10:36:27,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:27,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:27,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:27,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:27,985 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 10:36:28,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:28,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:28,242 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:28,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:28,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:28,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:28,244 INFO L87 Difference]: Start difference. First operand 14366 states and 19401 transitions. Second operand 3 states. [2019-09-10 10:36:28,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:28,468 INFO L93 Difference]: Finished difference Result 24613 states and 33147 transitions. [2019-09-10 10:36:28,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:28,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-09-10 10:36:28,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:28,577 INFO L225 Difference]: With dead ends: 24613 [2019-09-10 10:36:28,578 INFO L226 Difference]: Without dead ends: 24613 [2019-09-10 10:36:28,578 INFO L628 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 [2019-09-10 10:36:28,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24613 states. [2019-09-10 10:36:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24613 to 24594. [2019-09-10 10:36:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24594 states. [2019-09-10 10:36:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24594 states to 24594 states and 33129 transitions. [2019-09-10 10:36:29,171 INFO L78 Accepts]: Start accepts. Automaton has 24594 states and 33129 transitions. Word has length 150 [2019-09-10 10:36:29,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:29,171 INFO L475 AbstractCegarLoop]: Abstraction has 24594 states and 33129 transitions. [2019-09-10 10:36:29,171 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24594 states and 33129 transitions. [2019-09-10 10:36:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-10 10:36:29,250 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:29,250 INFO L399 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:29,251 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:29,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:29,251 INFO L82 PathProgramCache]: Analyzing trace with hash 911374317, now seen corresponding path program 1 times [2019-09-10 10:36:29,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:29,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:29,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:29,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:29,257 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 10:36:29,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:29,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:29,428 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:29,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:29,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:29,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:29,430 INFO L87 Difference]: Start difference. First operand 24594 states and 33129 transitions. Second operand 3 states. [2019-09-10 10:36:29,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:29,566 INFO L93 Difference]: Finished difference Result 24618 states and 33153 transitions. [2019-09-10 10:36:29,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:29,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-09-10 10:36:29,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:29,670 INFO L225 Difference]: With dead ends: 24618 [2019-09-10 10:36:29,670 INFO L226 Difference]: Without dead ends: 24618 [2019-09-10 10:36:29,671 INFO L628 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 [2019-09-10 10:36:30,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24618 states. [2019-09-10 10:36:30,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24618 to 24618. [2019-09-10 10:36:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24618 states. [2019-09-10 10:36:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24618 states to 24618 states and 33153 transitions. [2019-09-10 10:36:30,992 INFO L78 Accepts]: Start accepts. Automaton has 24618 states and 33153 transitions. Word has length 172 [2019-09-10 10:36:30,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:30,993 INFO L475 AbstractCegarLoop]: Abstraction has 24618 states and 33153 transitions. [2019-09-10 10:36:30,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 24618 states and 33153 transitions. [2019-09-10 10:36:31,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-10 10:36:31,067 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:31,067 INFO L399 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:36:31,068 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:31,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:31,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1858412203, now seen corresponding path program 1 times [2019-09-10 10:36:31,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:31,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:31,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:31,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:31,072 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-09-10 10:36:31,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:36:31,698 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:36:31,699 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2019-09-10 10:36:31,702 INFO L207 CegarAbsIntRunner]: [77], [78], [79], [80], [91], [167], [173], [174], [268], [270], [271], [299], [301], [302], [323], [330], [337], [344], [369], [374], [375], [413], [415], [421], [441], [443], [448], [450], [451], [452], [455], [461], [465], [468], [472], [476], [488], [536], [796], [797], [940], [942], [943], [944], [946], [948], [960], [1005], [1017], [1062], [1107], [1110], [1113], [1126], [1129], [1132], [1191], [1194], [1197], [1209], [1212], [1215], [1217], [1222], [1225], [1419], [1421], [1423], [1426], [1429], [1618], [1631], [1633], [1636], [1666], [1671], [1676], [1681], [1710], [1712], [1713], [1958], [1960], [1961], [1976], [1978], [1979], [2188], [2193], [2198], [2201], [2206], [2242], [2244], [2245], [2333], [2371], [2372], [2379], [2380], [2391], [2399], [2401], [2402], [2403], [2471], [2472], [2473], [2474], [2493], [2503], [2504], [2537], [2538], [2539], [2540], [2541], [2575], [2576], [2577], [2585], [2589], [2590], [2643], [2644], [2647], [2648], [2707], [2708], [2709], [2711], [2713], [2714] [2019-09-10 10:36:31,786 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:36:31,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:36:31,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:36:31,922 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 224 root evaluator evaluations with a maximum evaluation depth of 0. Performed 224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 396 variables. [2019-09-10 10:36:31,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:31,927 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:36:31,997 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:36:31,998 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:36:32,006 INFO L420 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-09-10 10:36:32,007 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:36:32,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:36:32,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [17] total 17 [2019-09-10 10:36:32,010 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:32,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:36:32,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:36:32,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:36:32,012 INFO L87 Difference]: Start difference. First operand 24618 states and 33153 transitions. Second operand 2 states. [2019-09-10 10:36:32,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:32,012 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:36:32,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:36:32,013 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-09-10 10:36:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:32,013 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:36:32,013 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:36:32,013 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:36:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:36:32,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:36:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:36:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:36:32,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-09-10 10:36:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:32,014 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:36:32,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:36:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:36:32,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:36:32,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:36:32 BoogieIcfgContainer [2019-09-10 10:36:32,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:36:32,024 INFO L168 Benchmark]: Toolchain (without parser) took 17097.34 ms. Allocated memory was 140.0 MB in the beginning and 688.9 MB in the end (delta: 548.9 MB). Free memory was 81.8 MB in the beginning and 173.5 MB in the end (delta: -91.7 MB). Peak memory consumption was 457.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:32,025 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 10:36:32,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1859.64 ms. Allocated memory was 140.0 MB in the beginning and 217.6 MB in the end (delta: 77.6 MB). Free memory was 81.6 MB in the beginning and 99.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:32,028 INFO L168 Benchmark]: Boogie Preprocessor took 396.74 ms. Allocated memory is still 217.6 MB. Free memory was 99.9 MB in the beginning and 83.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:32,032 INFO L168 Benchmark]: RCFGBuilder took 3923.80 ms. Allocated memory was 217.6 MB in the beginning and 369.6 MB in the end (delta: 152.0 MB). Free memory was 83.5 MB in the beginning and 274.0 MB in the end (delta: -190.5 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:32,033 INFO L168 Benchmark]: TraceAbstraction took 10909.60 ms. Allocated memory was 369.6 MB in the beginning and 688.9 MB in the end (delta: 319.3 MB). Free memory was 274.0 MB in the beginning and 173.5 MB in the end (delta: 100.5 MB). Peak memory consumption was 419.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:32,038 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1859.64 ms. Allocated memory was 140.0 MB in the beginning and 217.6 MB in the end (delta: 77.6 MB). Free memory was 81.6 MB in the beginning and 99.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 396.74 ms. Allocated memory is still 217.6 MB. Free memory was 99.9 MB in the beginning and 83.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3923.80 ms. Allocated memory was 217.6 MB in the beginning and 369.6 MB in the end (delta: 152.0 MB). Free memory was 83.5 MB in the beginning and 274.0 MB in the end (delta: -190.5 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10909.60 ms. Allocated memory was 369.6 MB in the beginning and 688.9 MB in the end (delta: 319.3 MB). Free memory was 274.0 MB in the beginning and 173.5 MB in the end (delta: 100.5 MB). Peak memory consumption was 419.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 131 procedures, 1124 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14774 SDtfs, 10217 SDslu, 8197 SDs, 0 SdLazy, 91 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24618occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.3508771929824563 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 166 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 988 NumberOfCodeBlocks, 988 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 976 ConstructedInterpolants, 0 QuantifiedInterpolants, 159050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 132/153 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...