/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 15:02:35,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 15:02:35,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 15:02:35,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 15:02:35,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 15:02:35,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 15:02:35,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 15:02:35,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 15:02:35,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 15:02:35,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 15:02:35,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 15:02:35,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 15:02:35,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 15:02:35,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 15:02:35,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 15:02:35,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 15:02:35,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 15:02:35,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 15:02:35,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 15:02:35,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 15:02:35,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 15:02:35,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 15:02:35,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 15:02:35,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 15:02:35,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 15:02:35,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 15:02:35,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 15:02:35,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 15:02:35,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 15:02:35,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 15:02:35,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 15:02:35,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 15:02:35,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 15:02:35,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 15:02:35,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 15:02:35,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 15:02:35,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 15:02:35,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 15:02:35,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 15:02:35,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 15:02:35,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 15:02:35,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2021-02-23 15:02:35,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 15:02:35,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 15:02:35,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 15:02:35,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 15:02:35,708 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 15:02:35,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 15:02:35,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 15:02:35,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 15:02:35,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 15:02:35,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 15:02:35,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 15:02:35,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 15:02:35,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 15:02:35,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 15:02:35,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 15:02:35,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 15:02:35,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 15:02:35,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 15:02:35,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 15:02:35,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 15:02:35,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 15:02:35,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 15:02:35,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 15:02:35,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 15:02:35,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 15:02:35,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 15:02:36,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 15:02:36,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 15:02:36,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 15:02:36,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 15:02:36,175 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 15:02:36,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-02-23 15:02:36,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4466e4d/1a448344ed6046d58d6c26f608952ffc/FLAG58f3a4fb3 [2021-02-23 15:02:37,225 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 15:02:37,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-02-23 15:02:37,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4466e4d/1a448344ed6046d58d6c26f608952ffc/FLAG58f3a4fb3 [2021-02-23 15:02:37,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4466e4d/1a448344ed6046d58d6c26f608952ffc [2021-02-23 15:02:37,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 15:02:37,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 15:02:37,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 15:02:37,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 15:02:37,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 15:02:37,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 03:02:37" (1/1) ... [2021-02-23 15:02:37,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd2216a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:37, skipping insertion in model container [2021-02-23 15:02:37,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 03:02:37" (1/1) ... [2021-02-23 15:02:37,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 15:02:37,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 15:02:38,876 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-02-23 15:02:39,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 15:02:39,124 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 15:02:39,424 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-02-23 15:02:39,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 15:02:39,601 INFO L208 MainTranslator]: Completed translation [2021-02-23 15:02:39,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39 WrapperNode [2021-02-23 15:02:39,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 15:02:39,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 15:02:39,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 15:02:39,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 15:02:39,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (1/1) ... [2021-02-23 15:02:39,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 15:02:39,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 15:02:39,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 15:02:39,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 15:02:39,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (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 [2021-02-23 15:02:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 15:02:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 15:02:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 15:02:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 15:02:39,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-23 15:02:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-23 15:02:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-02-23 15:02:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-02-23 15:02:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-23 15:02:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-23 15:02:39,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-23 15:02:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2021-02-23 15:02:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2021-02-23 15:02:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2021-02-23 15:02:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2021-02-23 15:02:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2021-02-23 15:02:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2021-02-23 15:02:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2021-02-23 15:02:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2021-02-23 15:02:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2021-02-23 15:02:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2021-02-23 15:02:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2021-02-23 15:02:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2021-02-23 15:02:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2021-02-23 15:02:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2021-02-23 15:02:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-23 15:02:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-23 15:02:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2021-02-23 15:02:39,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2021-02-23 15:02:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2021-02-23 15:02:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2021-02-23 15:02:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2021-02-23 15:02:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2021-02-23 15:02:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2021-02-23 15:02:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-23 15:02:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-23 15:02:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-23 15:02:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-02-23 15:02:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-02-23 15:02:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2021-02-23 15:02:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-02-23 15:02:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2021-02-23 15:02:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 15:02:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-23 15:02:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 15:02:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 15:02:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 15:02:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 15:02:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 15:02:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2021-02-23 15:02:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-23 15:02:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-23 15:02:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2021-02-23 15:02:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2021-02-23 15:02:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2021-02-23 15:02:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2021-02-23 15:02:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-23 15:02:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-02-23 15:02:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2021-02-23 15:02:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-23 15:02:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-23 15:02:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2021-02-23 15:02:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 15:02:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 15:02:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 15:02:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 15:02:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 15:02:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 15:02:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 15:02:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 15:02:40,673 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-23 15:02:42,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 15:02:42,142 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 15:02:42,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:02:42 BoogieIcfgContainer [2021-02-23 15:02:42,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 15:02:42,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 15:02:42,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 15:02:42,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 15:02:42,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 03:02:37" (1/3) ... [2021-02-23 15:02:42,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4bedb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 03:02:42, skipping insertion in model container [2021-02-23 15:02:42,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:02:39" (2/3) ... [2021-02-23 15:02:42,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4bedb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 03:02:42, skipping insertion in model container [2021-02-23 15:02:42,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:02:42" (3/3) ... [2021-02-23 15:02:42,157 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-02-23 15:02:42,165 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 15:02:42,171 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 15:02:42,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 15:02:42,239 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 15:02:42,239 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 15:02:42,240 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 15:02:42,240 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 15:02:42,240 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 15:02:42,240 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 15:02:42,240 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 15:02:42,240 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 15:02:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2021-02-23 15:02:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-02-23 15:02:42,304 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:02:42,306 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:02:42,306 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:02:42,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:02:42,315 INFO L82 PathProgramCache]: Analyzing trace with hash -823708386, now seen corresponding path program 1 times [2021-02-23 15:02:42,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:02:42,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125186393] [2021-02-23 15:02:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:02:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:43,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,821 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:02:43,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:02:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:43,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:43,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:43,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:43,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:02:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:43,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:43,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:43,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:02:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:02:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:02:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:02:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:02:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:02:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-23 15:02:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:44,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:44,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-02-23 15:02:44,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125186393] [2021-02-23 15:02:44,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:02:44,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 15:02:44,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852702929] [2021-02-23 15:02:44,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 15:02:44,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:02:44,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 15:02:44,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 15:02:44,440 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 6 states. [2021-02-23 15:02:44,899 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:02:46,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:02:46,953 INFO L93 Difference]: Finished difference Result 553 states and 733 transitions. [2021-02-23 15:02:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 15:02:46,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2021-02-23 15:02:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:02:46,970 INFO L225 Difference]: With dead ends: 553 [2021-02-23 15:02:46,970 INFO L226 Difference]: Without dead ends: 271 [2021-02-23 15:02:46,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-02-23 15:02:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-02-23 15:02:47,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 253. [2021-02-23 15:02:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2021-02-23 15:02:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 315 transitions. [2021-02-23 15:02:47,100 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 315 transitions. Word has length 138 [2021-02-23 15:02:47,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:02:47,101 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 315 transitions. [2021-02-23 15:02:47,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 15:02:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 315 transitions. [2021-02-23 15:02:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-02-23 15:02:47,105 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:02:47,106 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:02:47,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 15:02:47,106 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:02:47,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:02:47,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1648060970, now seen corresponding path program 1 times [2021-02-23 15:02:47,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:02:47,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197775882] [2021-02-23 15:02:47,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:02:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:02:47,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,773 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:02:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:02:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:02:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:02:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:02:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:02:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:47,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:47,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:02:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:02:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:02:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-23 15:02:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:48,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:48,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-02-23 15:02:48,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197775882] [2021-02-23 15:02:48,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:02:48,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 15:02:48,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041818786] [2021-02-23 15:02:48,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 15:02:48,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:02:48,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 15:02:48,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-23 15:02:48,148 INFO L87 Difference]: Start difference. First operand 253 states and 315 transitions. Second operand 7 states. [2021-02-23 15:02:48,627 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:02:49,278 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:02:49,813 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:02:52,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:02:52,723 INFO L93 Difference]: Finished difference Result 647 states and 816 transitions. [2021-02-23 15:02:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 15:02:52,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2021-02-23 15:02:52,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:02:52,730 INFO L225 Difference]: With dead ends: 647 [2021-02-23 15:02:52,730 INFO L226 Difference]: Without dead ends: 426 [2021-02-23 15:02:52,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-02-23 15:02:52,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-02-23 15:02:52,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 384. [2021-02-23 15:02:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2021-02-23 15:02:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 491 transitions. [2021-02-23 15:02:52,807 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 491 transitions. Word has length 138 [2021-02-23 15:02:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:02:52,808 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 491 transitions. [2021-02-23 15:02:52,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 15:02:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 491 transitions. [2021-02-23 15:02:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-02-23 15:02:52,811 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:02:52,811 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:02:52,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 15:02:52,812 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:02:52,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:02:52,812 INFO L82 PathProgramCache]: Analyzing trace with hash 198997508, now seen corresponding path program 1 times [2021-02-23 15:02:52,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:02:52,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69946766] [2021-02-23 15:02:52,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:02:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:02:53,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,447 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:02:53,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:02:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:02:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:02:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:02:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:02:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:02:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:02:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:02:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-23 15:02:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:02:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:53,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:53,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-02-23 15:02:53,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69946766] [2021-02-23 15:02:53,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:02:53,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 15:02:53,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111782926] [2021-02-23 15:02:53,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 15:02:53,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:02:53,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 15:02:53,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 15:02:53,825 INFO L87 Difference]: Start difference. First operand 384 states and 491 transitions. Second operand 8 states. [2021-02-23 15:02:54,261 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:02:55,662 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:02:56,733 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:02:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:02:59,026 INFO L93 Difference]: Finished difference Result 1035 states and 1342 transitions. [2021-02-23 15:02:59,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 15:02:59,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2021-02-23 15:02:59,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:02:59,035 INFO L225 Difference]: With dead ends: 1035 [2021-02-23 15:02:59,035 INFO L226 Difference]: Without dead ends: 683 [2021-02-23 15:02:59,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-02-23 15:02:59,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2021-02-23 15:02:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 649. [2021-02-23 15:02:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2021-02-23 15:02:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 844 transitions. [2021-02-23 15:02:59,146 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 844 transitions. Word has length 141 [2021-02-23 15:02:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:02:59,146 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 844 transitions. [2021-02-23 15:02:59,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 15:02:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 844 transitions. [2021-02-23 15:02:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-23 15:02:59,149 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:02:59,150 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:02:59,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 15:02:59,150 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:02:59,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:02:59,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1193394507, now seen corresponding path program 1 times [2021-02-23 15:02:59,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:02:59,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909915968] [2021-02-23 15:02:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:02:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:02:59,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,744 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:02:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:02:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:02:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:02:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:02:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:02:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:02:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:02:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:02:59,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:02:59,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:02:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:02:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:00,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:00,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-23 15:03:00,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909915968] [2021-02-23 15:03:00,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:00,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 15:03:00,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424053519] [2021-02-23 15:03:00,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 15:03:00,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:00,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 15:03:00,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-23 15:03:00,221 INFO L87 Difference]: Start difference. First operand 649 states and 844 transitions. Second operand 9 states. [2021-02-23 15:03:00,629 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:01,266 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:03:01,778 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:03:03,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:03,897 INFO L93 Difference]: Finished difference Result 701 states and 907 transitions. [2021-02-23 15:03:03,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 15:03:03,897 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2021-02-23 15:03:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:03,903 INFO L225 Difference]: With dead ends: 701 [2021-02-23 15:03:03,904 INFO L226 Difference]: Without dead ends: 690 [2021-02-23 15:03:03,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-02-23 15:03:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-02-23 15:03:04,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 649. [2021-02-23 15:03:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2021-02-23 15:03:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 843 transitions. [2021-02-23 15:03:04,009 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 843 transitions. Word has length 167 [2021-02-23 15:03:04,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:04,010 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 843 transitions. [2021-02-23 15:03:04,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 15:03:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 843 transitions. [2021-02-23 15:03:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-23 15:03:04,013 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:04,013 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:03:04,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 15:03:04,014 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:04,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:04,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1136136205, now seen corresponding path program 1 times [2021-02-23 15:03:04,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:04,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167335949] [2021-02-23 15:03:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:04,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,586 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:04,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:04,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:04,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-23 15:03:05,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167335949] [2021-02-23 15:03:05,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:05,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 15:03:05,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648687686] [2021-02-23 15:03:05,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 15:03:05,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:05,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 15:03:05,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-23 15:03:05,073 INFO L87 Difference]: Start difference. First operand 649 states and 843 transitions. Second operand 9 states. [2021-02-23 15:03:05,576 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:06,233 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:03:06,765 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:03:08,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:08,781 INFO L93 Difference]: Finished difference Result 681 states and 881 transitions. [2021-02-23 15:03:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 15:03:08,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2021-02-23 15:03:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:08,787 INFO L225 Difference]: With dead ends: 681 [2021-02-23 15:03:08,787 INFO L226 Difference]: Without dead ends: 678 [2021-02-23 15:03:08,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-02-23 15:03:08,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-02-23 15:03:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 648. [2021-02-23 15:03:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2021-02-23 15:03:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 841 transitions. [2021-02-23 15:03:08,890 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 841 transitions. Word has length 167 [2021-02-23 15:03:08,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:08,891 INFO L480 AbstractCegarLoop]: Abstraction has 648 states and 841 transitions. [2021-02-23 15:03:08,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 15:03:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 841 transitions. [2021-02-23 15:03:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-23 15:03:08,894 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:08,894 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:03:08,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 15:03:08,895 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash -860680571, now seen corresponding path program 1 times [2021-02-23 15:03:08,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:08,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536816778] [2021-02-23 15:03:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:09,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,523 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:09,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:09,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:09,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-23 15:03:10,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536816778] [2021-02-23 15:03:10,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:10,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 15:03:10,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955575187] [2021-02-23 15:03:10,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 15:03:10,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:10,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 15:03:10,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-23 15:03:10,012 INFO L87 Difference]: Start difference. First operand 648 states and 841 transitions. Second operand 9 states. [2021-02-23 15:03:10,606 WARN L202 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:11,267 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:03:11,825 WARN L202 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:03:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:13,828 INFO L93 Difference]: Finished difference Result 680 states and 879 transitions. [2021-02-23 15:03:13,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 15:03:13,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2021-02-23 15:03:13,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:13,836 INFO L225 Difference]: With dead ends: 680 [2021-02-23 15:03:13,837 INFO L226 Difference]: Without dead ends: 677 [2021-02-23 15:03:13,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-02-23 15:03:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-02-23 15:03:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 647. [2021-02-23 15:03:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-02-23 15:03:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 839 transitions. [2021-02-23 15:03:13,934 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 839 transitions. Word has length 168 [2021-02-23 15:03:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:13,935 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 839 transitions. [2021-02-23 15:03:13,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 15:03:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 839 transitions. [2021-02-23 15:03:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-02-23 15:03:13,940 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:13,940 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:03:13,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 15:03:13,941 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:13,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:13,941 INFO L82 PathProgramCache]: Analyzing trace with hash -911485642, now seen corresponding path program 1 times [2021-02-23 15:03:13,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:13,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047400611] [2021-02-23 15:03:13,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:14,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,507 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:14,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:14,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:14,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:14,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-23 15:03:15,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047400611] [2021-02-23 15:03:15,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:15,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 15:03:15,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41033206] [2021-02-23 15:03:15,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 15:03:15,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:15,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 15:03:15,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-23 15:03:15,039 INFO L87 Difference]: Start difference. First operand 647 states and 839 transitions. Second operand 9 states. [2021-02-23 15:03:15,549 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:16,273 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:03:16,817 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:03:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:18,833 INFO L93 Difference]: Finished difference Result 679 states and 877 transitions. [2021-02-23 15:03:18,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 15:03:18,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2021-02-23 15:03:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:18,841 INFO L225 Difference]: With dead ends: 679 [2021-02-23 15:03:18,841 INFO L226 Difference]: Without dead ends: 676 [2021-02-23 15:03:18,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-02-23 15:03:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-02-23 15:03:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 646. [2021-02-23 15:03:18,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2021-02-23 15:03:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 837 transitions. [2021-02-23 15:03:18,939 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 837 transitions. Word has length 169 [2021-02-23 15:03:18,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:18,942 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 837 transitions. [2021-02-23 15:03:18,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 15:03:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2021-02-23 15:03:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-23 15:03:18,945 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:18,945 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:03:18,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 15:03:18,945 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:18,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:18,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1808529320, now seen corresponding path program 1 times [2021-02-23 15:03:18,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:18,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355746803] [2021-02-23 15:03:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:19,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:19,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,566 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:19,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:19,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:19,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-23 15:03:19,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355746803] [2021-02-23 15:03:19,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:19,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 15:03:19,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107878040] [2021-02-23 15:03:19,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 15:03:19,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:19,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 15:03:19,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-23 15:03:19,995 INFO L87 Difference]: Start difference. First operand 646 states and 837 transitions. Second operand 9 states. [2021-02-23 15:03:20,520 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:21,172 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:03:21,675 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:03:24,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:24,983 INFO L93 Difference]: Finished difference Result 1856 states and 2442 transitions. [2021-02-23 15:03:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 15:03:24,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2021-02-23 15:03:24,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:24,991 INFO L225 Difference]: With dead ends: 1856 [2021-02-23 15:03:24,991 INFO L226 Difference]: Without dead ends: 1238 [2021-02-23 15:03:24,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-02-23 15:03:24,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2021-02-23 15:03:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1208. [2021-02-23 15:03:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2021-02-23 15:03:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1589 transitions. [2021-02-23 15:03:25,155 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1589 transitions. Word has length 170 [2021-02-23 15:03:25,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:25,156 INFO L480 AbstractCegarLoop]: Abstraction has 1208 states and 1589 transitions. [2021-02-23 15:03:25,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 15:03:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1589 transitions. [2021-02-23 15:03:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-02-23 15:03:25,161 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:25,161 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:03:25,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 15:03:25,162 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:25,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash -517590582, now seen corresponding path program 1 times [2021-02-23 15:03:25,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:25,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363599048] [2021-02-23 15:03:25,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:25,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:25,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:25,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:25,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,845 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:25,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:25,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-02-23 15:03:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:26,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 15:03:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-23 15:03:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-02-23 15:03:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:26,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:26,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-02-23 15:03:26,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363599048] [2021-02-23 15:03:26,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:26,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 15:03:26,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310528923] [2021-02-23 15:03:26,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 15:03:26,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:26,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 15:03:26,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-23 15:03:26,355 INFO L87 Difference]: Start difference. First operand 1208 states and 1589 transitions. Second operand 10 states. [2021-02-23 15:03:26,869 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:29,139 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-23 15:03:30,248 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-23 15:03:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:31,307 INFO L93 Difference]: Finished difference Result 2705 states and 3671 transitions. [2021-02-23 15:03:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 15:03:31,308 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2021-02-23 15:03:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:31,317 INFO L225 Difference]: With dead ends: 2705 [2021-02-23 15:03:31,317 INFO L226 Difference]: Without dead ends: 1543 [2021-02-23 15:03:31,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2021-02-23 15:03:31,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2021-02-23 15:03:31,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1205. [2021-02-23 15:03:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2021-02-23 15:03:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1574 transitions. [2021-02-23 15:03:31,492 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1574 transitions. Word has length 211 [2021-02-23 15:03:31,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:31,493 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1574 transitions. [2021-02-23 15:03:31,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 15:03:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1574 transitions. [2021-02-23 15:03:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-02-23 15:03:31,497 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:31,498 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 15:03:31,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 15:03:31,498 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:31,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1565412625, now seen corresponding path program 1 times [2021-02-23 15:03:31,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:31,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201997285] [2021-02-23 15:03:31,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:31,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:31,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:31,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:31,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:31,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:31,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:31,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:31,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,126 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:32,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-02-23 15:03:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:32,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:32,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:32,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:32,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 15:03:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:32,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 15:03:32,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 15:03:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-02-23 15:03:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:32,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:32,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-02-23 15:03:32,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201997285] [2021-02-23 15:03:32,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:32,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 15:03:32,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333911579] [2021-02-23 15:03:32,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 15:03:32,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:32,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 15:03:32,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-02-23 15:03:32,803 INFO L87 Difference]: Start difference. First operand 1205 states and 1574 transitions. Second operand 17 states. [2021-02-23 15:03:33,329 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:37,356 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:37,918 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2021-02-23 15:03:38,519 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:39,070 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:39,650 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:40,201 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:40,795 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:41,353 WARN L202 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-23 15:03:41,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:41,442 INFO L93 Difference]: Finished difference Result 2675 states and 3612 transitions. [2021-02-23 15:03:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 15:03:41,443 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 216 [2021-02-23 15:03:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:41,451 INFO L225 Difference]: With dead ends: 2675 [2021-02-23 15:03:41,451 INFO L226 Difference]: Without dead ends: 1516 [2021-02-23 15:03:41,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2021-02-23 15:03:41,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2021-02-23 15:03:41,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1185. [2021-02-23 15:03:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2021-02-23 15:03:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1548 transitions. [2021-02-23 15:03:41,603 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1548 transitions. Word has length 216 [2021-02-23 15:03:41,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:41,606 INFO L480 AbstractCegarLoop]: Abstraction has 1185 states and 1548 transitions. [2021-02-23 15:03:41,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 15:03:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1548 transitions. [2021-02-23 15:03:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-02-23 15:03:41,614 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 15:03:41,614 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2021-02-23 15:03:41,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 15:03:41,615 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 15:03:41,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 15:03:41,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1209221736, now seen corresponding path program 1 times [2021-02-23 15:03:41,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 15:03:41,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209473402] [2021-02-23 15:03:41,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 15:03:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:41,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:41,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:41,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:41,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,275 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-23 15:03:42,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 15:03:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 15:03:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 15:03:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 15:03:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 15:03:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-23 15:03:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-23 15:03:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 15:03:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 15:03:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 15:03:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-23 15:03:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:42,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:42,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:42,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:42,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 15:03:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 15:03:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 15:03:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-02-23 15:03:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 15:03:42,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 15:03:42,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 15:03:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-02-23 15:03:42,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209473402] [2021-02-23 15:03:42,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 15:03:42,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-23 15:03:42,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45733702] [2021-02-23 15:03:42,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 15:03:42,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 15:03:42,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 15:03:42,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-02-23 15:03:42,874 INFO L87 Difference]: Start difference. First operand 1185 states and 1548 transitions. Second operand 14 states. [2021-02-23 15:03:43,298 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-23 15:03:46,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 15:03:46,675 INFO L93 Difference]: Finished difference Result 1516 states and 2084 transitions. [2021-02-23 15:03:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 15:03:46,676 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2021-02-23 15:03:46,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 15:03:46,677 INFO L225 Difference]: With dead ends: 1516 [2021-02-23 15:03:46,677 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 15:03:46,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2021-02-23 15:03:46,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 15:03:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 15:03:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 15:03:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 15:03:46,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2021-02-23 15:03:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 15:03:46,682 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 15:03:46,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 15:03:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 15:03:46,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 15:03:46,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 15:03:46,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 15:03:48,746 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-23 15:03:48,946 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-23 15:03:49,153 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-23 15:03:49,363 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-23 15:03:50,411 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-23 15:03:50,593 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-23 15:03:50,718 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-23 15:03:52,797 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 262 [2021-02-23 15:03:53,674 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-23 15:03:54,166 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 1 [2021-02-23 15:03:54,702 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2021-02-23 15:03:55,160 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-23 15:03:56,074 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-23 15:03:56,511 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-23 15:03:57,489 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-23 15:03:57,954 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2021-02-23 15:03:58,719 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2021-02-23 15:03:59,686 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2021-02-23 15:04:00,196 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2021-02-23 15:04:00,616 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-23 15:04:01,029 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2021-02-23 15:04:01,967 WARN L202 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-23 15:04:02,417 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2021-02-23 15:04:02,844 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2021-02-23 15:04:03,274 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2021-02-23 15:04:04,153 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:05,059 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 37 [2021-02-23 15:04:05,569 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-23 15:04:06,431 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:06,892 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2021-02-23 15:04:07,718 WARN L202 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:08,633 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 37 [2021-02-23 15:04:09,551 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-23 15:04:10,437 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-23 15:04:11,307 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-23 15:04:12,203 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-23 15:04:13,189 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:13,305 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2021-02-23 15:04:13,839 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 82 [2021-02-23 15:04:14,254 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-23 15:04:14,730 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2021-02-23 15:04:16,047 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 194 DAG size of output: 36 [2021-02-23 15:04:16,895 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:17,331 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2021-02-23 15:04:18,181 WARN L202 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:18,628 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2021-02-23 15:04:19,903 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 192 DAG size of output: 29 [2021-02-23 15:04:20,849 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:21,691 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:22,702 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-23 15:04:23,549 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-23 15:04:23,965 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point usbnet_resumeFINAL(lines 7023 7025) no Hoare annotation was computed. [2021-02-23 15:04:24,210 INFO L192 CegarLoopUtils]: At program point usbnet_resumeENTRY(lines 7023 7025) the Hoare annotation is: true [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point usbnet_resumeEXIT(lines 7023 7025) no Hoare annotation was computed. [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point L6286(line 6286) no Hoare annotation was computed. [2021-02-23 15:04:24,210 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_11EXIT(lines 6283 6290) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_11ENTRY(lines 6283 6290) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_11FINAL(lines 6283 6290) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point L6556(line 6556) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point L6557(lines 6557 6562) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point L6552-1(lines 6552 6555) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point L6552(lines 6552 6555) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_lockFINAL(lines 6548 6564) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point L6553(line 6553) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_lockENTRY(lines 6548 6564) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_lockEXIT(lines 6548 6564) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L189 CegarLoopUtils]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6299 6306) no Hoare annotation was computed. [2021-02-23 15:04:24,211 INFO L185 CegarLoopUtils]: At program point L6302(line 6302) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_udev~0) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,212 INFO L185 CegarLoopUtils]: At program point ldv___ldv_usb_unlock_device_13ENTRY(lines 6299 6306) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_udev~0) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6299 6306) no Hoare annotation was computed. [2021-02-23 15:04:24,212 INFO L185 CegarLoopUtils]: At program point L6302-1(line 6302) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_udev~0) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_i_mutex_of_inodeENTRY(lines 6493 6499) no Hoare annotation was computed. [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_i_mutex_of_inodeFINAL(lines 6493 6499) no Hoare annotation was computed. [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_i_mutex_of_inodeEXIT(lines 6493 6499) no Hoare annotation was computed. [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv_stopEXIT(lines 5792 5798) no Hoare annotation was computed. [2021-02-23 15:04:24,212 INFO L192 CegarLoopUtils]: At program point ldv_stopENTRY(lines 5792 5798) the Hoare annotation is: true [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeFINAL(lines 6404 6420) no Hoare annotation was computed. [2021-02-23 15:04:24,212 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeENTRY(lines 6404 6420) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point L6412(line 6412) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point L6413(lines 6413 6418) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeEXIT(lines 6404 6420) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point L6408-1(lines 6408 6411) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point L6408(lines 6408 6411) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point L6409(line 6409) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_i_mutex_of_inodeEXIT(lines 6523 6529) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_i_mutex_of_inodeFINAL(lines 6523 6529) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_i_mutex_of_inodeENTRY(lines 6523 6529) no Hoare annotation was computed. [2021-02-23 15:04:24,213 INFO L192 CegarLoopUtils]: At program point ldv_initializeFINAL(lines 6987 6989) the Hoare annotation is: true [2021-02-23 15:04:24,214 INFO L189 CegarLoopUtils]: For program point ldv_initializeEXIT(lines 6987 6989) no Hoare annotation was computed. [2021-02-23 15:04:24,214 INFO L185 CegarLoopUtils]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_retval_3~0 0))) (.cse1 (not (= ~ldv_mutex_lock~0 1))) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (not (= ~ldv_mutex_udev~0 1))) (.cse4 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse5 (not (= ~ldv_mutex_i_mutex_of_inode~0 1)))) (and (or (not (= ~ldv_state_variable_6~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) .cse5))) [2021-02-23 15:04:24,214 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,214 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,214 INFO L189 CegarLoopUtils]: For program point usb_deregisterEXIT(lines 7004 7006) no Hoare annotation was computed. [2021-02-23 15:04:24,214 INFO L189 CegarLoopUtils]: For program point usb_deregisterFINAL(lines 7004 7006) no Hoare annotation was computed. [2021-02-23 15:04:24,214 INFO L192 CegarLoopUtils]: At program point usb_deregisterENTRY(lines 7004 7006) the Hoare annotation is: true [2021-02-23 15:04:24,214 INFO L192 CegarLoopUtils]: At program point ldv_undef_int_negativeENTRY(lines 6336 6349) the Hoare annotation is: true [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L192 CegarLoopUtils]: At program point L6344(line 6344) the Hoare annotation is: true [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point ldv_undef_int_negativeFINAL(lines 6336 6349) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point L6341-1(line 6341) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point ldv_undef_int_negativeEXIT(lines 6336 6349) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L192 CegarLoopUtils]: At program point L6341(line 6341) the Hoare annotation is: true [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_udevFINAL(lines 6932 6939) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_udevENTRY(lines 6932 6939) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point L6936(line 6936) no Hoare annotation was computed. [2021-02-23 15:04:24,215 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_udevEXIT(lines 6932 6939) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L185 CegarLoopUtils]: At program point cdc_subset_driver_exitENTRY(lines 5956 5962) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_exitEXIT(lines 5956 5962) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_exitFINAL(lines 5956 5962) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L192 CegarLoopUtils]: At program point usbnet_disconnectENTRY(lines 7015 7017) the Hoare annotation is: true [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point usbnet_disconnectFINAL(lines 7015 7017) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point usbnet_disconnectEXIT(lines 7015 7017) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_udevFINAL(lines 6819 6835) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point L6827(line 6827) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point L6828(lines 6828 6833) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point L6823-1(lines 6823 6826) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_udevENTRY(lines 6819 6835) no Hoare annotation was computed. [2021-02-23 15:04:24,216 INFO L189 CegarLoopUtils]: For program point L6823(lines 6823 6826) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point L6824(line 6824) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_udevEXIT(lines 6819 6835) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_mutex_of_deviceEXIT(lines 6781 6787) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_mutex_of_deviceENTRY(lines 6781 6787) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_mutex_of_deviceFINAL(lines 6781 6787) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6291 6298) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6291 6298) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L185 CegarLoopUtils]: At program point ldv_usb_lock_device_for_reset_12ENTRY(lines 6291 6298) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,217 INFO L185 CegarLoopUtils]: At program point L6295(line 6295) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point L6295-1(line 6295) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_8ENTRY(lines 6254 6266) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_8EXIT(lines 6254 6266) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_8FINAL(lines 6254 6266) no Hoare annotation was computed. [2021-02-23 15:04:24,217 INFO L189 CegarLoopUtils]: For program point L6262(line 6262) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point L6260-1(line 6260) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point L6262-1(line 6262) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point L6260(line 6260) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point usbnet_suspendFINAL(lines 7027 7029) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L192 CegarLoopUtils]: At program point usbnet_suspendENTRY(lines 7027 7029) the Hoare annotation is: true [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point usbnet_suspendEXIT(lines 7027 7029) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point L5952-1(line 5952) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L185 CegarLoopUtils]: At program point L5952(line 5952) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~usb_counter~0 |old(~usb_counter~0)|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_initEXIT(lines 5948 5955) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L185 CegarLoopUtils]: At program point cdc_subset_driver_initENTRY(lines 5948 5955) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~usb_counter~0 |old(~usb_counter~0)|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_initFINAL(lines 5948 5955) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point ldv_mallocENTRY(lines 5723 5739) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point L5735(line 5735) no Hoare annotation was computed. [2021-02-23 15:04:24,218 INFO L189 CegarLoopUtils]: For program point L5735-1(line 5735) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point ldv_mallocFINAL(lines 5723 5739) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point L5730(lines 5730 5737) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point ldv_mallocEXIT(lines 5723 5739) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_lockFINAL(lines 6565 6575) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point L6568-1(lines 6568 6571) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point L6568(lines 6568 6571) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_lockENTRY(lines 6565 6575) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point L6569(line 6569) no Hoare annotation was computed. [2021-02-23 15:04:24,219 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_lockEXIT(lines 6565 6575) no Hoare annotation was computed. [2021-02-23 15:04:24,220 INFO L185 CegarLoopUtils]: At program point L5974(line 5974) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,220 INFO L189 CegarLoopUtils]: For program point ldv_usb_driver_1EXIT(lines 5970 5978) no Hoare annotation was computed. [2021-02-23 15:04:24,220 INFO L189 CegarLoopUtils]: For program point L5974-1(line 5974) no Hoare annotation was computed. [2021-02-23 15:04:24,220 INFO L185 CegarLoopUtils]: At program point ldv_usb_driver_1ENTRY(lines 5970 5978) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,220 INFO L189 CegarLoopUtils]: For program point ldv_usb_driver_1FINAL(lines 5970 5978) no Hoare annotation was computed. [2021-02-23 15:04:24,220 INFO L189 CegarLoopUtils]: For program point L5856-1(line 5856) no Hoare annotation was computed. [2021-02-23 15:04:24,220 INFO L185 CegarLoopUtils]: At program point L5857(line 5857) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (<= 0 m5632_recover_~r~0) (= 2 ~ldv_mutex_udev~0))) [2021-02-23 15:04:24,220 INFO L185 CegarLoopUtils]: At program point L5856(line 5856) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (<= 0 m5632_recover_~r~0) (= 2 ~ldv_mutex_udev~0))) [2021-02-23 15:04:24,221 INFO L185 CegarLoopUtils]: At program point L5851(line 5851) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,221 INFO L185 CegarLoopUtils]: At program point m5632_recoverENTRY(lines 5843 5860) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point L5851-1(line 5851) no Hoare annotation was computed. [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point m5632_recoverFINAL(lines 5843 5860) no Hoare annotation was computed. [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point m5632_recoverEXIT(lines 5843 5860) no Hoare annotation was computed. [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point ldv_ptr_errENTRY(lines 6362 6367) no Hoare annotation was computed. [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point ldv_ptr_errFINAL(lines 6362 6367) no Hoare annotation was computed. [2021-02-23 15:04:24,221 INFO L189 CegarLoopUtils]: For program point ldv_ptr_errEXIT(lines 6362 6367) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L189 CegarLoopUtils]: For program point dummy_preresetENTRY(lines 5929 5934) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L189 CegarLoopUtils]: For program point dummy_preresetFINAL(lines 5929 5934) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L189 CegarLoopUtils]: For program point dummy_preresetEXIT(lines 5929 5934) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L189 CegarLoopUtils]: For program point L6945-1(line 6945) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 6940 6954) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L185 CegarLoopUtils]: At program point L6945(line 6945) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,222 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 6940 6954) no Hoare annotation was computed. [2021-02-23 15:04:24,222 INFO L185 CegarLoopUtils]: At program point ldv_usb_lock_device_for_reset_udevENTRY(lines 6940 6954) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,222 INFO L185 CegarLoopUtils]: At program point L6950(line 6950) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point L6947-1(line 6947) no Hoare annotation was computed. [2021-02-23 15:04:24,223 INFO L185 CegarLoopUtils]: At program point L6947(line 6947) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point L6950-1(line 6950) no Hoare annotation was computed. [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point ldv_reset_resume_1FINAL(lines 6991 6993) no Hoare annotation was computed. [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point ldv_reset_resume_1EXIT(lines 6991 6993) no Hoare annotation was computed. [2021-02-23 15:04:24,223 INFO L192 CegarLoopUtils]: At program point ldv_reset_resume_1ENTRY(lines 6991 6993) the Hoare annotation is: true [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point ldv_is_err_or_nullENTRY(lines 6368 6385) no Hoare annotation was computed. [2021-02-23 15:04:24,223 INFO L189 CegarLoopUtils]: For program point ldv_is_err_or_nullEXIT(lines 6368 6385) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point L6376-1(line 6376) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point L6377-2(lines 6373 6382) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point L6376(line 6376) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point L6377(lines 6377 6381) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point ldv_is_err_or_nullFINAL(lines 6368 6385) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point L6373(lines 6373 6382) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point kfreeEXIT(lines 7031 7033) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point kfreeENTRY(lines 7031 7033) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point kfreeFINAL(lines 7031 7033) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point mutex_trylockENTRY(lines 6998 7000) no Hoare annotation was computed. [2021-02-23 15:04:24,224 INFO L189 CegarLoopUtils]: For program point mutex_trylockEXIT(lines 6998 7000) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point mutex_trylockFINAL(lines 6998 7000) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_udevFINAL(lines 6925 6931) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_udevEXIT(lines 6925 6931) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_udevENTRY(lines 6925 6931) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_mutex_of_deviceFINAL(lines 6811 6817) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_mutex_of_deviceENTRY(lines 6811 6817) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_mutex_of_deviceEXIT(lines 6811 6817) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point mutex_unlockENTRY(lines 7001 7003) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point mutex_unlockEXIT(lines 7001 7003) no Hoare annotation was computed. [2021-02-23 15:04:24,225 INFO L189 CegarLoopUtils]: For program point mutex_unlockFINAL(lines 7001 7003) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_mutex_of_deviceENTRY(lines 6692 6708) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_mutex_of_deviceEXIT(lines 6692 6708) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point L6700(line 6700) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_mutex_of_deviceFINAL(lines 6692 6708) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point L6701(lines 6701 6706) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point L6696-1(lines 6696 6699) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point L6696(lines 6696 6699) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point L6697(line 6697) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point ldv_errorFINAL(lines 6329 6335) no Hoare annotation was computed. [2021-02-23 15:04:24,226 INFO L192 CegarLoopUtils]: At program point ldv_errorENTRY(lines 6329 6335) the Hoare annotation is: true [2021-02-23 15:04:24,226 INFO L189 CegarLoopUtils]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-02-23 15:04:24,227 INFO L189 CegarLoopUtils]: For program point ldv_errorEXIT(lines 6329 6335) no Hoare annotation was computed. [2021-02-23 15:04:24,227 INFO L189 CegarLoopUtils]: For program point ldv_usb_deregister_15FINAL(lines 6321 6328) no Hoare annotation was computed. [2021-02-23 15:04:24,227 INFO L189 CegarLoopUtils]: For program point ldv_usb_deregister_15EXIT(lines 6321 6328) no Hoare annotation was computed. [2021-02-23 15:04:24,227 INFO L185 CegarLoopUtils]: At program point ldv_usb_deregister_15ENTRY(lines 6321 6328) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,227 INFO L189 CegarLoopUtils]: For program point L6324-1(line 6324) no Hoare annotation was computed. [2021-02-23 15:04:24,227 INFO L185 CegarLoopUtils]: At program point L6324(line 6324) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,227 INFO L189 CegarLoopUtils]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,227 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 15:04:24,228 INFO L185 CegarLoopUtils]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: (or (not (= ~ldv_state_variable_6~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point L6844(line 6844) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point L6845(lines 6845 6850) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point L6840-1(lines 6840 6843) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point L6840(lines 6840 6843) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point L6841(line 6841) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_udevFINAL(lines 6836 6852) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_udevEXIT(lines 6836 6852) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_udevENTRY(lines 6836 6852) no Hoare annotation was computed. [2021-02-23 15:04:24,228 INFO L192 CegarLoopUtils]: At program point assume_abort_if_notENTRY(lines 5720 5722) the Hoare annotation is: true [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point L5721-2(lines 5720 5722) no Hoare annotation was computed. [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5720 5722) no Hoare annotation was computed. [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point L5762-1(line 5762) no Hoare annotation was computed. [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point ldv_init_zallocFINAL(lines 5757 5767) no Hoare annotation was computed. [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point ldv_init_zallocEXIT(lines 5757 5767) no Hoare annotation was computed. [2021-02-23 15:04:24,229 INFO L185 CegarLoopUtils]: At program point ldv_init_zallocENTRY(lines 5757 5767) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_retval_3~0 0))) (.cse1 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))) (.cse2 (not (= ~ldv_mutex_lock~0 1))) (.cse3 (not (= ~ldv_mutex_udev~0 1))) (.cse4 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse5 (not (= ~ldv_mutex_i_mutex_of_inode~0 1)))) (and (or (not (= ~ldv_state_variable_6~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) .cse5))) [2021-02-23 15:04:24,229 INFO L189 CegarLoopUtils]: For program point L5764-1(line 5764) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L185 CegarLoopUtils]: At program point L5762(line 5762) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_retval_3~0 0))) (.cse1 (not (= ~ldv_mutex_lock~0 1))) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (not (= ~ldv_mutex_udev~0 1))) (.cse4 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse5 (not (= ~ldv_mutex_i_mutex_of_inode~0 1)))) (and (or (not (= ~ldv_state_variable_6~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) .cse5))) [2021-02-23 15:04:24,230 INFO L192 CegarLoopUtils]: At program point L5764(line 5764) the Hoare annotation is: true [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point L6513-1(line 6513) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point L6513(line 6513) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeENTRY(lines 6508 6522) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeFINAL(lines 6508 6522) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point L6518(line 6518) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeEXIT(lines 6508 6522) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point L6514(lines 6514 6520) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point L6515-1(line 6515) no Hoare annotation was computed. [2021-02-23 15:04:24,230 INFO L189 CegarLoopUtils]: For program point L6515(line 6515) no Hoare annotation was computed. [2021-02-23 15:04:24,231 INFO L189 CegarLoopUtils]: For program point L6518-1(line 6518) no Hoare annotation was computed. [2021-02-23 15:04:24,231 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,231 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#an2720_info~0.base)| |~#an2720_info~0.base|) (= ~ldv_retval_3~0 |old(~ldv_retval_3~0)|) (= ~__mod_usb__products_device_table~0.bDeviceClass |old(~__mod_usb__products_device_table~0.bDeviceClass)|) (= |old(#length)| |#length|) (= |old(~__mod_usb__products_device_table~0.driver_info)| ~__mod_usb__products_device_table~0.driver_info) (= |old(~#epson2888_info~0.offset)| |~#epson2888_info~0.offset|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0) (= |old(~#ali_m5632_info~0.offset)| |~#ali_m5632_info~0.offset|) (= |~#blob_info~0.base| |old(~#blob_info~0.base)|) (= ~ldv_state_variable_0~0 |old(~ldv_state_variable_0~0)|) (= |~#linuxdev_info~0.base| |old(~#linuxdev_info~0.base)|) (= |old(~#yopy_info~0.base)| |~#yopy_info~0.base|) (= |old(~__mod_usb__products_device_table~0.bInterfaceNumber)| ~__mod_usb__products_device_table~0.bInterfaceNumber) (= ~__mod_usb__products_device_table~0.match_flags |old(~__mod_usb__products_device_table~0.match_flags)|) (= |old(~__mod_usb__products_device_table~0.bDeviceProtocol)| ~__mod_usb__products_device_table~0.bDeviceProtocol) (= |old(#t~string43.base)| |#t~string43.base|) (= |~#ali_m5632_info~0.base| |old(~#ali_m5632_info~0.base)|) (= |old(#t~string42.base)| |#t~string42.base|) (= ~__mod_usb__products_device_table~0.bInterfaceSubClass |old(~__mod_usb__products_device_table~0.bInterfaceSubClass)|) (= |old(#t~string40.base)| |#t~string40.base|) (= |old(~__mod_usb__products_device_table~0.bInterfaceProtocol)| ~__mod_usb__products_device_table~0.bInterfaceProtocol) (= ~ldv_retval_2~0 |old(~ldv_retval_2~0)|) (= |~#kc2190_info~0.base| |old(~#kc2190_info~0.base)|) (= |old(~ref_cnt~0)| ~ref_cnt~0) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |~#cdc_subset_driver~0.base| |old(~#cdc_subset_driver~0.base)|) (= ~ldv_mutex_i_mutex_of_inode~0 |old(~ldv_mutex_i_mutex_of_inode~0)|) (= |old(#t~string39.offset)| |#t~string39.offset|) (= ~ldv_state_variable_3~0 |old(~ldv_state_variable_3~0)|) (= |old(#t~string38.base)| |#t~string38.base|) (= ~ldv_retval_1~0 |old(~ldv_retval_1~0)|) (= |old(~LDV_IN_INTERRUPT~0)| ~LDV_IN_INTERRUPT~0) (= |old(#t~string39.base)| |#t~string39.base|) (= |old(~#belkin_info~0.offset)| |~#belkin_info~0.offset|) (= |old(#t~string44.offset)| |#t~string44.offset|) (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= ~__mod_usb__products_device_table~0.bDeviceSubClass |old(~__mod_usb__products_device_table~0.bDeviceSubClass)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |old(~#kc2190_info~0.offset)| |~#kc2190_info~0.offset|) (= |#t~string0.base| |old(#t~string0.base)|) (= |~#yopy_info~0.offset| |old(~#yopy_info~0.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |old(#NULL.base)| |#NULL.base|) (= |~#an2720_info~0.offset| |old(~#an2720_info~0.offset)|) (= |~#products~0.offset| |old(~#products~0.offset)|) (= |~#products~0.base| |old(~#products~0.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#t~string36.base)| |#t~string36.base|) (= ~ldv_state_variable_2~0 |old(~ldv_state_variable_2~0)|) (= ~ldv_retval_0~0 |old(~ldv_retval_0~0)|) (= |old(~ldv_mutex_mutex_of_device~0)| ~ldv_mutex_mutex_of_device~0) (= ~__mod_usb__products_device_table~0.bcdDevice_hi |old(~__mod_usb__products_device_table~0.bcdDevice_hi)|) (= |old(~__mod_usb__products_device_table~0.idProduct)| ~__mod_usb__products_device_table~0.idProduct) (= |~#epson2888_info~0.base| |old(~#epson2888_info~0.base)|) (= |old(#t~string41.offset)| |#t~string41.offset|) (= |old(~__mod_usb__products_device_table~0.idVendor)| ~__mod_usb__products_device_table~0.idVendor) (= |~#blob_info~0.offset| |old(~#blob_info~0.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |old(#t~string38.offset)| |#t~string38.offset|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_4~0 |old(~ldv_state_variable_4~0)|) (= ~usb_counter~0 |old(~usb_counter~0)|) (= |~#cdc_subset_driver~0.offset| |old(~#cdc_subset_driver~0.offset)|) (= ~ldv_mutex_lock~0 |old(~ldv_mutex_lock~0)|) (= |old(#t~string37.base)| |#t~string37.base|) (= |old(~__mod_usb__products_device_table~0.bInterfaceClass)| ~__mod_usb__products_device_table~0.bInterfaceClass) (= ~ldv_state_variable_6~0 |old(~ldv_state_variable_6~0)|) (= |old(~#belkin_info~0.base)| |~#belkin_info~0.base|) (= |old(#t~string41.base)| |#t~string41.base|) (= |old(#t~string45.base)| |#t~string45.base|) (= ~ldv_state_variable_5~0 |old(~ldv_state_variable_5~0)|) (= |old(#t~string44.base)| |#t~string44.base|) (= |~#linuxdev_info~0.offset| |old(~#linuxdev_info~0.offset)|) (= ~__mod_usb__products_device_table~0.bcdDevice_lo |old(~__mod_usb__products_device_table~0.bcdDevice_lo)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) [2021-02-23 15:04:24,231 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,231 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_lockFINAL(lines 6667 6673) no Hoare annotation was computed. [2021-02-23 15:04:24,231 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_lockENTRY(lines 6667 6673) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_lockEXIT(lines 6667 6673) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point mutex_lockENTRY(lines 6994 6996) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point mutex_lockFINAL(lines 6994 6996) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point mutex_lockEXIT(lines 6994 6996) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point L6648-1(line 6648) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point L6648(line 6648) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_lockEXIT(lines 6644 6651) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_lockFINAL(lines 6644 6651) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_lockENTRY(lines 6644 6651) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point ldv_memsetFINAL(lines 5768 5775) no Hoare annotation was computed. [2021-02-23 15:04:24,232 INFO L189 CegarLoopUtils]: For program point L5772-1(line 5772) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L185 CegarLoopUtils]: At program point L5772(line 5772) the Hoare annotation is: (or (not (= ~ldv_state_variable_6~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,233 INFO L185 CegarLoopUtils]: At program point ldv_memsetENTRY(lines 5768 5775) the Hoare annotation is: (or (not (= ~ldv_state_variable_6~0 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point ldv_memsetEXIT(lines 5768 5775) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_i_mutex_of_inodeEXIT(lines 6466 6481) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point L6470(lines 6470 6479) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point L6471-1(line 6471) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point L6471(line 6471) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point L6472(lines 6472 6476) no Hoare annotation was computed. [2021-02-23 15:04:24,233 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_i_mutex_of_inodeENTRY(lines 6466 6481) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_i_mutex_of_inodeFINAL(lines 6466 6481) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point L6683(line 6683) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point L6684(lines 6684 6689) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceENTRY(lines 6675 6691) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point L6679-1(lines 6679 6682) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point L6679(lines 6679 6682) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point L6680(line 6680) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceFINAL(lines 6675 6691) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceEXIT(lines 6675 6691) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_mutex_of_deviceENTRY(lines 6754 6769) no Hoare annotation was computed. [2021-02-23 15:04:24,234 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_mutex_of_deviceEXIT(lines 6754 6769) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point L6758(lines 6758 6767) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point L6759-1(line 6759) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point L6759(line 6759) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point L6760(lines 6760 6764) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_mutex_of_deviceFINAL(lines 6754 6769) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_udevFINAL(lines 6853 6863) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L185 CegarLoopUtils]: At program point ldv_mutex_lock_udevENTRY(lines 6853 6863) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-02-23 15:04:24,235 INFO L189 CegarLoopUtils]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L185 CegarLoopUtils]: At program point L6857(line 6857) the Hoare annotation is: (or (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_udevEXIT(lines 6853 6863) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point L6395(line 6395) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point L6396(lines 6396 6401) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point L6391-1(lines 6391 6394) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point L6391(lines 6391 6394) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point L6392(line 6392) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeENTRY(lines 6387 6403) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeEXIT(lines 6387 6403) no Hoare annotation was computed. [2021-02-23 15:04:24,236 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeFINAL(lines 6387 6403) no Hoare annotation was computed. [2021-02-23 15:04:24,237 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_udevEXIT(lines 6914 6924) no Hoare annotation was computed. [2021-02-23 15:04:24,237 INFO L185 CegarLoopUtils]: At program point L6918(line 6918) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,237 INFO L189 CegarLoopUtils]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-02-23 15:04:24,237 INFO L185 CegarLoopUtils]: At program point ldv_mutex_unlock_udevENTRY(lines 6914 6924) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_udev~0) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,237 INFO L189 CegarLoopUtils]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-02-23 15:04:24,237 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_udevFINAL(lines 6914 6924) no Hoare annotation was computed. [2021-02-23 15:04:24,237 INFO L192 CegarLoopUtils]: At program point ldv_undef_intENTRY(lines 5776 5783) the Hoare annotation is: true [2021-02-23 15:04:24,237 INFO L189 CegarLoopUtils]: For program point ldv_undef_intFINAL(lines 5776 5783) no Hoare annotation was computed. [2021-02-23 15:04:24,237 INFO L189 CegarLoopUtils]: For program point ldv_undef_intEXIT(lines 5776 5783) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 5979 6229) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L192 CegarLoopUtils]: At program point L6196(line 6196) the Hoare annotation is: true [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-02-23 15:04:24,238 INFO L189 CegarLoopUtils]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-02-23 15:04:24,239 INFO L185 CegarLoopUtils]: At program point L6015(line 6015) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,239 INFO L185 CegarLoopUtils]: At program point L6015-1(line 6015) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,239 INFO L185 CegarLoopUtils]: At program point L6081(line 6081) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,239 INFO L189 CegarLoopUtils]: For program point L6081-1(line 6081) no Hoare annotation was computed. [2021-02-23 15:04:24,239 INFO L189 CegarLoopUtils]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-02-23 15:04:24,239 INFO L189 CegarLoopUtils]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-02-23 15:04:24,239 INFO L189 CegarLoopUtils]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-02-23 15:04:24,239 INFO L192 CegarLoopUtils]: At program point L6214(line 6214) the Hoare annotation is: true [2021-02-23 15:04:24,239 INFO L189 CegarLoopUtils]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-02-23 15:04:24,239 INFO L189 CegarLoopUtils]: For program point L6016(line 6016) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 5979 6229) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L185 CegarLoopUtils]: At program point L6034(line 6034) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,240 INFO L185 CegarLoopUtils]: At program point L6133(line 6133) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6133-1(line 6133) no Hoare annotation was computed. [2021-02-23 15:04:24,240 INFO L189 CegarLoopUtils]: For program point L6034-1(line 6034) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L189 CegarLoopUtils]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L189 CegarLoopUtils]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L189 CegarLoopUtils]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L189 CegarLoopUtils]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L189 CegarLoopUtils]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L189 CegarLoopUtils]: For program point L6052-1(line 6052) no Hoare annotation was computed. [2021-02-23 15:04:24,241 INFO L185 CegarLoopUtils]: At program point L6052(line 6052) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,241 INFO L185 CegarLoopUtils]: At program point L6102(line 6102) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,241 INFO L185 CegarLoopUtils]: At program point L6003(line 6003) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= |#memory_int| |old(#memory_int)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6003-1(line 6003) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6102-1(line 6102) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L185 CegarLoopUtils]: At program point L6070(line 6070) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L189 CegarLoopUtils]: For program point L6070-1(line 6070) no Hoare annotation was computed. [2021-02-23 15:04:24,242 INFO L185 CegarLoopUtils]: At program point L6087(line 6087) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6087-1(line 6087) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L185 CegarLoopUtils]: At program point L6153(lines 6002 6228) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (= ~ldv_mutex_udev~0 1) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L185 CegarLoopUtils]: At program point L6005(line 6005) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6005-1(line 6005) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-02-23 15:04:24,243 INFO L189 CegarLoopUtils]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L192 CegarLoopUtils]: At program point L6121(line 6121) the Hoare annotation is: true [2021-02-23 15:04:24,244 INFO L189 CegarLoopUtils]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L189 CegarLoopUtils]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L192 CegarLoopUtils]: At program point L6221(line 6221) the Hoare annotation is: true [2021-02-23 15:04:24,244 INFO L189 CegarLoopUtils]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L189 CegarLoopUtils]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L189 CegarLoopUtils]: For program point L6172-1(line 6172) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L189 CegarLoopUtils]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-02-23 15:04:24,244 INFO L185 CegarLoopUtils]: At program point L6172(line 6172) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,244 INFO L185 CegarLoopUtils]: At program point L6007(line 6007) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,245 INFO L189 CegarLoopUtils]: For program point L6007-1(line 6007) no Hoare annotation was computed. [2021-02-23 15:04:24,245 INFO L192 CegarLoopUtils]: At program point L6040(line 6040) the Hoare annotation is: true [2021-02-23 15:04:24,245 INFO L189 CegarLoopUtils]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-02-23 15:04:24,245 INFO L189 CegarLoopUtils]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-02-23 15:04:24,245 INFO L189 CegarLoopUtils]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-02-23 15:04:24,245 INFO L189 CegarLoopUtils]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-02-23 15:04:24,245 INFO L185 CegarLoopUtils]: At program point L6223(lines 6002 6228) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,245 INFO L185 CegarLoopUtils]: At program point L6190(line 6190) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,245 INFO L192 CegarLoopUtils]: At program point L6058(line 6058) the Hoare annotation is: true [2021-02-23 15:04:24,246 INFO L189 CegarLoopUtils]: For program point L6190-1(line 6190) no Hoare annotation was computed. [2021-02-23 15:04:24,246 INFO L189 CegarLoopUtils]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-02-23 15:04:24,246 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 5979 6229) the Hoare annotation is: (or (and (= ~ldv_retval_2~0 |old(~ldv_retval_2~0)|) (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(~ref_cnt~0)| ~ref_cnt~0) (= |old(#length)| |#length|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_4~0 |old(~ldv_state_variable_4~0)|) (= ~usb_counter~0 |old(~usb_counter~0)|) (= |#memory_int| |old(#memory_int)|) (= ~ldv_state_variable_6~0 |old(~ldv_state_variable_6~0)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0) (= ~ldv_state_variable_3~0 |old(~ldv_state_variable_3~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~ldv_state_variable_5~0 |old(~ldv_state_variable_5~0)|) (= ~ldv_state_variable_0~0 |old(~ldv_state_variable_0~0)|) (= ~ldv_retval_1~0 |old(~ldv_retval_1~0)|) (= ~ldv_state_variable_2~0 |old(~ldv_state_variable_2~0)|) (= ~ldv_retval_0~0 |old(~ldv_retval_0~0)|) (= ~ldv_retval_3~0 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,246 INFO L185 CegarLoopUtils]: At program point L6141(line 6141) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (and (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_3~0 0) (= |old(~ldv_mutex_udev~0)| ~ldv_mutex_udev~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,246 INFO L189 CegarLoopUtils]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2021-02-23 15:04:24,246 INFO L185 CegarLoopUtils]: At program point L6009(line 6009) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,246 INFO L189 CegarLoopUtils]: For program point L6009-1(line 6009) no Hoare annotation was computed. [2021-02-23 15:04:24,246 INFO L189 CegarLoopUtils]: For program point L6208-1(line 6208) no Hoare annotation was computed. [2021-02-23 15:04:24,246 INFO L189 CegarLoopUtils]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L185 CegarLoopUtils]: At program point L6208(line 6208) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L185 CegarLoopUtils]: At program point L6011(line 6011) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6011-1(line 6011) no Hoare annotation was computed. [2021-02-23 15:04:24,247 INFO L189 CegarLoopUtils]: For program point L6226(line 6226) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L192 CegarLoopUtils]: At program point L6160(line 6160) the Hoare annotation is: true [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L185 CegarLoopUtils]: At program point L6095(line 6095) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6095-1(line 6095) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L189 CegarLoopUtils]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-02-23 15:04:24,248 INFO L192 CegarLoopUtils]: At program point L6178(line 6178) the Hoare annotation is: true [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point L6112-1(line 6112) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L185 CegarLoopUtils]: At program point L6112(line 6112) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_retval_3~0 0)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,249 INFO L185 CegarLoopUtils]: At program point L6013(line 6013) the Hoare annotation is: (or (not (= |old(~ldv_retval_3~0)| 0)) (not (= |old(~ldv_mutex_udev~0)| 1)) (not (= ~ldv_mutex_lock~0 1)) (and (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= |old(~ldv_state_variable_6~0)| 0))) [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point L6013-1(line 6013) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_mutex_of_deviceEXIT(lines 6720 6736) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_mutex_of_deviceENTRY(lines 6720 6736) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_mutex_of_deviceFINAL(lines 6720 6736) no Hoare annotation was computed. [2021-02-23 15:04:24,249 INFO L189 CegarLoopUtils]: For program point L6728(line 6728) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point L6729(lines 6729 6734) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point L6724-1(lines 6724 6727) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point L6724(lines 6724 6727) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point L6725(line 6725) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_7ENTRY(lines 6246 6253) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_7EXIT(lines 6246 6253) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_7FINAL(lines 6246 6253) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point L6249(line 6249) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point dummy_postresetEXIT(lines 5935 5940) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point dummy_postresetENTRY(lines 5935 5940) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point dummy_postresetFINAL(lines 5935 5940) no Hoare annotation was computed. [2021-02-23 15:04:24,250 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_i_mutex_of_inodeFINAL(lines 6421 6431) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_i_mutex_of_inodeENTRY(lines 6421 6431) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6424-1(lines 6424 6427) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6424(lines 6424 6427) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6425(line 6425) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_i_mutex_of_inodeEXIT(lines 6421 6431) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L192 CegarLoopUtils]: At program point usbnet_probeENTRY(lines 7019 7021) the Hoare annotation is: true [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point usbnet_probeFINAL(lines 7019 7021) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point usbnet_probeEXIT(lines 7019 7021) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6584(line 6584) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6585(lines 6585 6590) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6580-1(lines 6580 6583) no Hoare annotation was computed. [2021-02-23 15:04:24,251 INFO L189 CegarLoopUtils]: For program point L6580(lines 6580 6583) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point L6581(line 6581) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_lockEXIT(lines 6576 6592) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_lockENTRY(lines 6576 6592) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_lockFINAL(lines 6576 6592) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_5EXIT(lines 6230 6237) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point L6233(line 6233) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_5ENTRY(lines 6230 6237) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_5FINAL(lines 6230 6237) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_lockFINAL(lines 6637 6643) no Hoare annotation was computed. [2021-02-23 15:04:24,252 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_lockENTRY(lines 6637 6643) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_lockEXIT(lines 6637 6643) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L192 CegarLoopUtils]: At program point usb_register_driverENTRY(lines 7008 7010) the Hoare annotation is: true [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point usb_register_driverFINAL(lines 7008 7010) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point usb_register_driverEXIT(lines 7008 7010) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point L6801(line 6801) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceEXIT(lines 6796 6810) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceENTRY(lines 6796 6810) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceFINAL(lines 6796 6810) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point L6806(line 6806) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point L6802(lines 6802 6808) no Hoare annotation was computed. [2021-02-23 15:04:24,253 INFO L189 CegarLoopUtils]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point L6803(line 6803) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point L6806-1(line 6806) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_mutex_of_deviceEXIT(lines 6788 6795) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point L6792-1(line 6792) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point L6792(line 6792) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_mutex_of_deviceENTRY(lines 6788 6795) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_mutex_of_deviceFINAL(lines 6788 6795) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_is_errEXIT(lines 6350 6355) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_is_errENTRY(lines 6350 6355) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_is_errFINAL(lines 6350 6355) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_i_mutex_of_inodeEXIT(lines 6432 6448) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_i_mutex_of_inodeENTRY(lines 6432 6448) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_i_mutex_of_inodeFINAL(lines 6432 6448) no Hoare annotation was computed. [2021-02-23 15:04:24,254 INFO L189 CegarLoopUtils]: For program point L6440(line 6440) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6441(lines 6441 6446) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6436-1(lines 6436 6439) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6436(lines 6436 6439) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6437(line 6437) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_udevEXIT(lines 6881 6897) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_udevENTRY(lines 6881 6897) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_udevFINAL(lines 6881 6897) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6890(lines 6890 6894) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6886(line 6886) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6889(line 6889) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6885-1(lines 6885 6888) no Hoare annotation was computed. [2021-02-23 15:04:24,255 INFO L189 CegarLoopUtils]: For program point L6885(lines 6885 6888) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point __ldv_usb_unlock_deviceFINAL(lines 6984 6986) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L192 CegarLoopUtils]: At program point __ldv_usb_unlock_deviceENTRY(lines 6984 6986) the Hoare annotation is: true [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point __ldv_usb_unlock_deviceEXIT(lines 6984 6986) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point L6614(lines 6614 6623) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point L6615-1(line 6615) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point L6615(line 6615) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point L6616(lines 6616 6620) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_lockEXIT(lines 6610 6625) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_lockENTRY(lines 6610 6625) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_lockFINAL(lines 6610 6625) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_6ENTRY(lines 6238 6245) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point L6241(line 6241) no Hoare annotation was computed. [2021-02-23 15:04:24,256 INFO L189 CegarLoopUtils]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_6EXIT(lines 6238 6245) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_6FINAL(lines 6238 6245) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_err_ptrEXIT(lines 6356 6361) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_err_ptrENTRY(lines 6356 6361) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_err_ptrFINAL(lines 6356 6361) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_udevEXIT(lines 6864 6880) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point L6872(line 6872) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point L6873(lines 6873 6878) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_udevENTRY(lines 6864 6880) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point L6868-1(lines 6868 6871) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point L6868(lines 6868 6871) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point L6869(line 6869) no Hoare annotation was computed. [2021-02-23 15:04:24,257 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_udevFINAL(lines 6864 6880) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point L6270(line 6270) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_9ENTRY(lines 6267 6274) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point L6270-1(line 6270) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_9EXIT(lines 6267 6274) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_9FINAL(lines 6267 6274) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_lockENTRY(lines 6626 6636) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_lockEXIT(lines 6626 6636) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point L6630(line 6630) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_lockFINAL(lines 6626 6636) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point L6629-1(lines 6629 6632) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point L6629(lines 6629 6632) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_10ENTRY(lines 6275 6282) no Hoare annotation was computed. [2021-02-23 15:04:24,258 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_10FINAL(lines 6275 6282) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point L6278(line 6278) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_10EXIT(lines 6275 6282) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point L6278-1(line 6278) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L185 CegarLoopUtils]: At program point ldv_usb_unlock_device_udevENTRY(lines 6955 6961) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_udev~0) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_udevFINAL(lines 6955 6961) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_udevEXIT(lines 6955 6961) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_udevENTRY(lines 6898 6913) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point L6902(lines 6902 6911) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point L6903-1(line 6903) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point L6903(line 6903) no Hoare annotation was computed. [2021-02-23 15:04:24,259 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_udevFINAL(lines 6898 6913) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point L6904(lines 6904 6908) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_udevEXIT(lines 6898 6913) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L192 CegarLoopUtils]: At program point usb_reset_deviceENTRY(lines 7012 7014) the Hoare annotation is: true [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point usb_reset_deviceFINAL(lines 7012 7014) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point usb_reset_deviceEXIT(lines 7012 7014) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point ldv_undef_ulongENTRY(lines 5784 5791) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point ldv_undef_ulongEXIT(lines 5784 5791) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point ldv_undef_ulongFINAL(lines 5784 5791) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L192 CegarLoopUtils]: At program point always_connectedENTRY(lines 5837 5842) the Hoare annotation is: true [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point always_connectedFINAL(lines 5837 5842) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point always_connectedEXIT(lines 5837 5842) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point L6774(line 6774) no Hoare annotation was computed. [2021-02-23 15:04:24,260 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_mutex_of_deviceEXIT(lines 6770 6780) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_mutex_of_deviceENTRY(lines 6770 6780) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_mutex_of_deviceFINAL(lines 6770 6780) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point L6773-1(lines 6773 6776) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point L6773(lines 6773 6776) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point ldv_usb_register_driver_14FINAL(lines 6307 6320) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point ldv_usb_register_driver_14EXIT(lines 6307 6320) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point L6317-1(line 6317) no Hoare annotation was computed. [2021-02-23 15:04:24,261 INFO L185 CegarLoopUtils]: At program point L6317(line 6317) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,261 INFO L185 CegarLoopUtils]: At program point ldv_usb_register_driver_14ENTRY(lines 6307 6320) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~usb_counter~0 |old(~usb_counter~0)|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,261 INFO L189 CegarLoopUtils]: For program point L6313-1(line 6313) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L185 CegarLoopUtils]: At program point L6313(line 6313) the Hoare annotation is: (or (not (= ~ldv_retval_3~0 0)) (and (= |old(~cdc_subset_driver_group1~0.offset)| ~cdc_subset_driver_group1~0.offset) (= |old(#length)| |#length|) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|) (= ~usb_counter~0 |old(~usb_counter~0)|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|) (= |old(~cdc_subset_driver_group1~0.base)| ~cdc_subset_driver_group1~0.base)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_lockENTRY(lines 6652 6666) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6657-1(line 6657) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6657(line 6657) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6662(line 6662) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_lockFINAL(lines 6652 6666) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6658(lines 6658 6664) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6659-1(line 6659) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6659(line 6659) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_lockEXIT(lines 6652 6666) no Hoare annotation was computed. [2021-02-23 15:04:24,262 INFO L189 CegarLoopUtils]: For program point L6662-1(line 6662) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_i_mutex_of_inodeEXIT(lines 6500 6507) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_i_mutex_of_inodeENTRY(lines 6500 6507) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_i_mutex_of_inodeFINAL(lines 6500 6507) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6504-1(line 6504) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6504(line 6504) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_lockFINAL(lines 6593 6609) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6602(lines 6602 6606) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6598(line 6598) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_lockENTRY(lines 6593 6609) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6601(line 6601) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6597-1(lines 6597 6600) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_lockEXIT(lines 6593 6609) no Hoare annotation was computed. [2021-02-23 15:04:24,263 INFO L189 CegarLoopUtils]: For program point L6597(lines 6597 6600) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeFINAL(lines 6449 6465) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point L6458(lines 6458 6462) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeENTRY(lines 6449 6465) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point L6454(line 6454) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point L6457(line 6457) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeEXIT(lines 6449 6465) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point L6453-1(lines 6453 6456) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L189 CegarLoopUtils]: For program point L6453(lines 6453 6456) no Hoare annotation was computed. [2021-02-23 15:04:24,264 INFO L185 CegarLoopUtils]: At program point L6974(line 6974) the Hoare annotation is: (or (not (= ~ldv_mutex_udev~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2021-02-23 15:04:24,264 INFO L185 CegarLoopUtils]: At program point L6970(line 6970) the Hoare annotation is: (or (not (= ~ldv_mutex_udev~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2021-02-23 15:04:24,264 INFO L185 CegarLoopUtils]: At program point L6966(line 6966) the Hoare annotation is: (or (not (= ~ldv_mutex_udev~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point ldv_check_final_stateEXIT(lines 6962 6983) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L192 CegarLoopUtils]: At program point ldv_check_final_stateENTRY(lines 6962 6983) the Hoare annotation is: true [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L6977(lines 6962 6983) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L185 CegarLoopUtils]: At program point L6978(line 6978) the Hoare annotation is: (or (not (= ~ldv_mutex_udev~0 1)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L5752-1(line 5752) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L5750(line 5750) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point ldv_zallocEXIT(lines 5740 5756) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L5752(line 5752) no Hoare annotation was computed. [2021-02-23 15:04:24,265 INFO L189 CegarLoopUtils]: For program point L5747(lines 5747 5754) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point ldv_zallocENTRY(lines 5740 5756) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point ldv_zallocFINAL(lines 5740 5756) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point L5750-1(line 5750) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point L6746(lines 6746 6750) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point L6742(line 6742) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point L6745(line 6745) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceEXIT(lines 6737 6753) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point L6741-1(lines 6741 6744) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point L6741(lines 6741 6744) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceENTRY(lines 6737 6753) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceFINAL(lines 6737 6753) no Hoare annotation was computed. [2021-02-23 15:04:24,266 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2021-02-23 15:04:24,267 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_i_mutex_of_inodeFINAL(lines 6482 6492) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_i_mutex_of_inodeEXIT(lines 6482 6492) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point L6486(line 6486) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_i_mutex_of_inodeENTRY(lines 6482 6492) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point L6485-1(lines 6485 6488) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point L6485(lines 6485 6488) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_lockFINAL(lines 6531 6547) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_lockEXIT(lines 6531 6547) no Hoare annotation was computed. [2021-02-23 15:04:24,267 INFO L189 CegarLoopUtils]: For program point L6539(line 6539) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6540(lines 6540 6545) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6535-1(lines 6535 6538) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6535(lines 6535 6538) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6536(line 6536) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_lockENTRY(lines 6531 6547) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_mutex_of_deviceENTRY(lines 6709 6719) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6712-1(lines 6712 6715) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6712(lines 6712 6715) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point L6713(line 6713) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_mutex_of_deviceFINAL(lines 6709 6719) no Hoare annotation was computed. [2021-02-23 15:04:24,268 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_mutex_of_deviceEXIT(lines 6709 6719) no Hoare annotation was computed. [2021-02-23 15:04:24,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 03:04:24 BoogieIcfgContainer [2021-02-23 15:04:24,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 15:04:24,288 INFO L168 Benchmark]: Toolchain (without parser) took 106606.29 ms. Allocated memory was 154.1 MB in the beginning and 829.4 MB in the end (delta: 675.3 MB). Free memory was 121.1 MB in the beginning and 269.2 MB in the end (delta: -148.1 MB). Peak memory consumption was 539.7 MB. Max. memory is 8.0 GB. [2021-02-23 15:04:24,289 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 154.1 MB. Free memory is still 131.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 15:04:24,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1905.41 ms. Allocated memory was 154.1 MB in the beginning and 191.9 MB in the end (delta: 37.7 MB). Free memory was 120.1 MB in the beginning and 133.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. [2021-02-23 15:04:24,289 INFO L168 Benchmark]: Boogie Preprocessor took 275.35 ms. Allocated memory is still 191.9 MB. Free memory was 133.6 MB in the beginning and 147.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 8.0 GB. [2021-02-23 15:04:24,289 INFO L168 Benchmark]: RCFGBuilder took 2267.94 ms. Allocated memory was 191.9 MB in the beginning and 294.6 MB in the end (delta: 102.8 MB). Free memory was 146.8 MB in the beginning and 182.6 MB in the end (delta: -35.8 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. [2021-02-23 15:04:24,293 INFO L168 Benchmark]: TraceAbstraction took 102137.99 ms. Allocated memory was 294.6 MB in the beginning and 829.4 MB in the end (delta: 534.8 MB). Free memory was 182.6 MB in the beginning and 269.2 MB in the end (delta: -86.6 MB). Peak memory consumption was 458.2 MB. Max. memory is 8.0 GB. [2021-02-23 15:04:24,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 154.1 MB. Free memory is still 131.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1905.41 ms. Allocated memory was 154.1 MB in the beginning and 191.9 MB in the end (delta: 37.7 MB). Free memory was 120.1 MB in the beginning and 133.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 275.35 ms. Allocated memory is still 191.9 MB. Free memory was 133.6 MB in the beginning and 147.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2267.94 ms. Allocated memory was 191.9 MB in the beginning and 294.6 MB in the end (delta: 102.8 MB). Free memory was 146.8 MB in the beginning and 182.6 MB in the end (delta: -35.8 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 102137.99 ms. Allocated memory was 294.6 MB in the beginning and 829.4 MB in the end (delta: 534.8 MB). Free memory was 182.6 MB in the beginning and 269.2 MB in the end (delta: -86.6 MB). Peak memory consumption was 458.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: (((((!(\old(ldv_retval_3) == 0) || !(\old(ldv_mutex_udev) == 1)) || ldv_mutex_udev == 1) || !(ldv_mutex_lock == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_i_mutex_of_inode == 1)) || !(\old(ldv_state_variable_6) == 0) - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: (((((!(\old(ldv_retval_3) == 0) || !(\old(ldv_mutex_udev) == 1)) || !(ldv_mutex_lock == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_i_mutex_of_inode == 1)) || (ldv_mutex_udev == 1 && ldv_retval_3 == 0)) || !(\old(ldv_state_variable_6) == 0) - InvariantResult [Line: 5792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 628 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.4s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 49.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3374 SDtfs, 6286 SDslu, 6129 SDs, 0 SdLazy, 6406 SolverSat, 4043 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 820 GetRequests, 649 SyntacticMatches, 4 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 25.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1208occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 924 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 94 LocationsWithAnnotation, 1206 PreInvPairs, 1328 NumberOfFragments, 2349 HoareAnnotationTreeSize, 1206 FomulaSimplifications, 2151298 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 94 FomulaSimplificationsInter, 29077 FormulaSimplificationTreeSizeReductionInter, 31.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1893 ConstructedInterpolants, 0 QuantifiedInterpolants, 1130246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 3013/3013 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...