/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-b7b32d2 [2021-02-21 17:35:46,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 17:35:46,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 17:35:46,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 17:35:46,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 17:35:46,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 17:35:46,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 17:35:46,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 17:35:46,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 17:35:46,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 17:35:46,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 17:35:46,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 17:35:46,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 17:35:46,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 17:35:46,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 17:35:46,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 17:35:46,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 17:35:46,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 17:35:46,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 17:35:46,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 17:35:46,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 17:35:46,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 17:35:46,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 17:35:46,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 17:35:46,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 17:35:46,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 17:35:46,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 17:35:46,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 17:35:46,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 17:35:46,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 17:35:46,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 17:35:46,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 17:35:46,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 17:35:46,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 17:35:46,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 17:35:46,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 17:35:46,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 17:35:46,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 17:35:46,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 17:35:46,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 17:35:46,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 17:35:46,591 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 [2021-02-21 17:35:46,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 17:35:46,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 17:35:46,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 17:35:46,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 17:35:46,657 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 17:35:46,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 17:35:46,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 17:35:46,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 17:35:46,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 17:35:46,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 17:35:46,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 17:35:46,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 17:35:46,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 17:35:46,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 17:35:46,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 17:35:46,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 17:35:46,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 17:35:46,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 17:35:46,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 17:35:46,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 17:35:46,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 17:35:46,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 17:35:46,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 17:35:46,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 17:35:46,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 17:35:46,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 17:35:47,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 17:35:47,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 17:35:47,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 17:35:47,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 17:35:47,149 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 17:35:47,150 INFO L432 ainManager$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 [2021-02-21 17:35:47,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec4116701/2a7cd3d265a84cad9fd45dd8e18e9c7d/FLAG379e3bf52 [2021-02-21 17:35:48,165 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 17:35:48,166 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 [2021-02-21 17:35:48,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec4116701/2a7cd3d265a84cad9fd45dd8e18e9c7d/FLAG379e3bf52 [2021-02-21 17:35:48,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec4116701/2a7cd3d265a84cad9fd45dd8e18e9c7d [2021-02-21 17:35:48,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 17:35:48,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 17:35:48,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 17:35:48,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 17:35:48,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 17:35:48,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 05:35:48" (1/1) ... [2021-02-21 17:35:48,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65484405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:48, skipping insertion in model container [2021-02-21 17:35:48,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 05:35:48" (1/1) ... [2021-02-21 17:35:48,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 17:35:48,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 17:35:49,775 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] [2021-02-21 17:35:50,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 17:35:50,127 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 17:35:50,457 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] [2021-02-21 17:35:50,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 17:35:50,619 INFO L208 MainTranslator]: Completed translation [2021-02-21 17:35:50,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50 WrapperNode [2021-02-21 17:35:50,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 17:35:50,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 17:35:50,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 17:35:50,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 17:35:50,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (1/1) ... [2021-02-21 17:35:50,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 17:35:50,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 17:35:50,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 17:35:50,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 17:35:50,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (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 [2021-02-21 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-21 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-21 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-02-21 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-02-21 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-21 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-21 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-21 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2021-02-21 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2021-02-21 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2021-02-21 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2021-02-21 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2021-02-21 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2021-02-21 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-21 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2021-02-21 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2021-02-21 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2021-02-21 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2021-02-21 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2021-02-21 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2021-02-21 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2021-02-21 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2021-02-21 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2021-02-21 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2021-02-21 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2021-02-21 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-21 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-02-21 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-02-21 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2021-02-21 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2021-02-21 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2021-02-21 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2021-02-21 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2021-02-21 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2021-02-21 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2021-02-21 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2021-02-21 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2021-02-21 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2021-02-21 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2021-02-21 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2021-02-21 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-21 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-21 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-21 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2021-02-21 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2021-02-21 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-21 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-21 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2021-02-21 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2021-02-21 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2021-02-21 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2021-02-21 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2021-02-21 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2021-02-21 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2021-02-21 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2021-02-21 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2021-02-21 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2021-02-21 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2021-02-21 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2021-02-21 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2021-02-21 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2021-02-21 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2021-02-21 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2021-02-21 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-21 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2021-02-21 17:35:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-21 17:35:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-21 17:35:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-02-21 17:35:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-02-21 17:35:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-21 17:35:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-21 17:35:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-21 17:35:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-02-21 17:35:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-02-21 17:35:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2021-02-21 17:35:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-02-21 17:35:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2021-02-21 17:35:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-21 17:35:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-21 17:35:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-21 17:35:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 17:35:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 17:35:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 17:35:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 17:35:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 17:35:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 17:35:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-21 17:35:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-02-21 17:35:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2021-02-21 17:35:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-21 17:35:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2021-02-21 17:35:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2021-02-21 17:35:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2021-02-21 17:35:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 17:35:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 17:35:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 17:35:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-21 17:35:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 17:35:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-21 17:35:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 17:35:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-21 17:35:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-21 17:35:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-02-21 17:35:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-02-21 17:35:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-02-21 17:35:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2021-02-21 17:35:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2021-02-21 17:35:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2021-02-21 17:35:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2021-02-21 17:35:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-02-21 17:35:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2021-02-21 17:35:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2021-02-21 17:35:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2021-02-21 17:35:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2021-02-21 17:35:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2021-02-21 17:35:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2021-02-21 17:35:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2021-02-21 17:35:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-21 17:35:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2021-02-21 17:35:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-02-21 17:35:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-21 17:35:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2021-02-21 17:35:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2021-02-21 17:35:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2021-02-21 17:35:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 17:35:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2021-02-21 17:35:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2021-02-21 17:35:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2021-02-21 17:35:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2021-02-21 17:35:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-21 17:35:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-21 17:35:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2021-02-21 17:35:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2021-02-21 17:35:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2021-02-21 17:35:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-21 17:35:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2021-02-21 17:35:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2021-02-21 17:35:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 17:35:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 17:35:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 17:35:51,703 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-21 17:35:53,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 17:35:53,136 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 17:35:53,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 05:35:53 BoogieIcfgContainer [2021-02-21 17:35:53,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 17:35:53,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 17:35:53,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 17:35:53,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 17:35:53,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 05:35:48" (1/3) ... [2021-02-21 17:35:53,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7ba5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 05:35:53, skipping insertion in model container [2021-02-21 17:35:53,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 05:35:50" (2/3) ... [2021-02-21 17:35:53,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7ba5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 05:35:53, skipping insertion in model container [2021-02-21 17:35:53,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 05:35:53" (3/3) ... [2021-02-21 17:35:53,155 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-02-21 17:35:53,162 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 17:35:53,169 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 17:35:53,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 17:35:53,237 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 17:35:53,237 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 17:35:53,237 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 17:35:53,237 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 17:35:53,237 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 17:35:53,238 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 17:35:53,238 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 17:35:53,238 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 17:35:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2021-02-21 17:35:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-02-21 17:35:53,302 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:35:53,303 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] [2021-02-21 17:35:53,304 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:35:53,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:35:53,313 INFO L82 PathProgramCache]: Analyzing trace with hash -823708386, now seen corresponding path program 1 times [2021-02-21 17:35:53,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:35:53,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676322787] [2021-02-21 17:35:53,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:35:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,642 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:35:54,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:35:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:35:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:35:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:35:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:54,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:54,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:54,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:35:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:35:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:35:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:35:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-21 17:35:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:55,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:55,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-02-21 17:35:55,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676322787] [2021-02-21 17:35:55,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:35:55,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 17:35:55,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504362712] [2021-02-21 17:35:55,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 17:35:55,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:35:55,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 17:35:55,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-21 17:35:55,248 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 6 states. [2021-02-21 17:35:55,781 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:35:58,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:35:58,158 INFO L93 Difference]: Finished difference Result 553 states and 733 transitions. [2021-02-21 17:35:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 17:35:58,160 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2021-02-21 17:35:58,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:35:58,175 INFO L225 Difference]: With dead ends: 553 [2021-02-21 17:35:58,176 INFO L226 Difference]: Without dead ends: 271 [2021-02-21 17:35:58,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-02-21 17:35:58,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-02-21 17:35:58,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 253. [2021-02-21 17:35:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2021-02-21 17:35:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 315 transitions. [2021-02-21 17:35:58,299 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 315 transitions. Word has length 138 [2021-02-21 17:35:58,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:35:58,299 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 315 transitions. [2021-02-21 17:35:58,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 17:35:58,299 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 315 transitions. [2021-02-21 17:35:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-02-21 17:35:58,303 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:35:58,304 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] [2021-02-21 17:35:58,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 17:35:58,304 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:35:58,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:35:58,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1648060970, now seen corresponding path program 1 times [2021-02-21 17:35:58,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:35:58,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988591021] [2021-02-21 17:35:58,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:35:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:58,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:58,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:58,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:58,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:35:58,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:58,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,044 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:35:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:35:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:35:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:35:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:35:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:35:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:35:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:35:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:35:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:35:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:35:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-02-21 17:35:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:35:59,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:35:59,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:35:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-02-21 17:35:59,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988591021] [2021-02-21 17:35:59,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:35:59,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 17:35:59,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289128990] [2021-02-21 17:35:59,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 17:35:59,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:35:59,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 17:35:59,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-21 17:35:59,528 INFO L87 Difference]: Start difference. First operand 253 states and 315 transitions. Second operand 7 states. [2021-02-21 17:36:00,000 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:00,651 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:01,183 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:04,098 INFO L93 Difference]: Finished difference Result 647 states and 816 transitions. [2021-02-21 17:36:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 17:36:04,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2021-02-21 17:36:04,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:04,106 INFO L225 Difference]: With dead ends: 647 [2021-02-21 17:36:04,106 INFO L226 Difference]: Without dead ends: 426 [2021-02-21 17:36:04,108 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 [2021-02-21 17:36:04,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-02-21 17:36:04,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 384. [2021-02-21 17:36:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2021-02-21 17:36:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 491 transitions. [2021-02-21 17:36:04,196 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 491 transitions. Word has length 138 [2021-02-21 17:36:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:04,197 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 491 transitions. [2021-02-21 17:36:04,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 17:36:04,197 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 491 transitions. [2021-02-21 17:36:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-02-21 17:36:04,200 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:04,200 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] [2021-02-21 17:36:04,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 17:36:04,201 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:04,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:04,201 INFO L82 PathProgramCache]: Analyzing trace with hash 198997508, now seen corresponding path program 1 times [2021-02-21 17:36:04,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:04,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902918149] [2021-02-21 17:36:04,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:04,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:04,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,851 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:04,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:04,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:04,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:04,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:04,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:04,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:04,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:04,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-21 17:36:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:05,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:05,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-02-21 17:36:05,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902918149] [2021-02-21 17:36:05,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:05,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 17:36:05,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425620565] [2021-02-21 17:36:05,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 17:36:05,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:05,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 17:36:05,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 17:36:05,253 INFO L87 Difference]: Start difference. First operand 384 states and 491 transitions. Second operand 8 states. [2021-02-21 17:36:05,764 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:07,054 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:08,164 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:10,464 INFO L93 Difference]: Finished difference Result 1035 states and 1342 transitions. [2021-02-21 17:36:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 17:36:10,465 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2021-02-21 17:36:10,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:10,472 INFO L225 Difference]: With dead ends: 1035 [2021-02-21 17:36:10,472 INFO L226 Difference]: Without dead ends: 683 [2021-02-21 17:36:10,474 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 [2021-02-21 17:36:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2021-02-21 17:36:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 649. [2021-02-21 17:36:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2021-02-21 17:36:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 844 transitions. [2021-02-21 17:36:10,591 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 844 transitions. Word has length 141 [2021-02-21 17:36:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:10,592 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 844 transitions. [2021-02-21 17:36:10,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 17:36:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 844 transitions. [2021-02-21 17:36:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-21 17:36:10,595 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:10,595 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] [2021-02-21 17:36:10,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 17:36:10,595 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:10,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:10,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1193394507, now seen corresponding path program 1 times [2021-02-21 17:36:10,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:10,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068999670] [2021-02-21 17:36:10,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:10,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:10,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:10,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:10,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:10,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:10,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,184 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:11,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:11,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-21 17:36:11,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068999670] [2021-02-21 17:36:11,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:11,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 17:36:11,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301805110] [2021-02-21 17:36:11,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 17:36:11,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:11,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 17:36:11,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-21 17:36:11,670 INFO L87 Difference]: Start difference. First operand 649 states and 844 transitions. Second operand 9 states. [2021-02-21 17:36:12,138 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:12,809 WARN L202 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:13,350 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:15,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:15,441 INFO L93 Difference]: Finished difference Result 701 states and 907 transitions. [2021-02-21 17:36:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 17:36:15,442 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2021-02-21 17:36:15,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:15,449 INFO L225 Difference]: With dead ends: 701 [2021-02-21 17:36:15,449 INFO L226 Difference]: Without dead ends: 690 [2021-02-21 17:36:15,450 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 [2021-02-21 17:36:15,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-02-21 17:36:15,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 649. [2021-02-21 17:36:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2021-02-21 17:36:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 843 transitions. [2021-02-21 17:36:15,546 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 843 transitions. Word has length 167 [2021-02-21 17:36:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:15,546 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 843 transitions. [2021-02-21 17:36:15,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 17:36:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 843 transitions. [2021-02-21 17:36:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-21 17:36:15,549 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:15,549 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] [2021-02-21 17:36:15,550 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 17:36:15,550 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:15,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:15,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1136136205, now seen corresponding path program 1 times [2021-02-21 17:36:15,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:15,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471043812] [2021-02-21 17:36:15,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:15,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:15,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:15,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:15,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,189 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:16,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:16,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:16,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:16,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-21 17:36:16,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471043812] [2021-02-21 17:36:16,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:16,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 17:36:16,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690617153] [2021-02-21 17:36:16,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 17:36:16,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:16,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 17:36:16,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-21 17:36:16,708 INFO L87 Difference]: Start difference. First operand 649 states and 843 transitions. Second operand 9 states. [2021-02-21 17:36:17,170 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:17,867 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:18,421 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:20,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:20,476 INFO L93 Difference]: Finished difference Result 681 states and 881 transitions. [2021-02-21 17:36:20,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 17:36:20,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2021-02-21 17:36:20,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:20,482 INFO L225 Difference]: With dead ends: 681 [2021-02-21 17:36:20,482 INFO L226 Difference]: Without dead ends: 678 [2021-02-21 17:36:20,483 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 [2021-02-21 17:36:20,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-02-21 17:36:20,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 648. [2021-02-21 17:36:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2021-02-21 17:36:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 841 transitions. [2021-02-21 17:36:20,569 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 841 transitions. Word has length 167 [2021-02-21 17:36:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:20,570 INFO L480 AbstractCegarLoop]: Abstraction has 648 states and 841 transitions. [2021-02-21 17:36:20,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 17:36:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 841 transitions. [2021-02-21 17:36:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-02-21 17:36:20,572 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:20,572 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] [2021-02-21 17:36:20,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 17:36:20,573 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:20,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:20,573 INFO L82 PathProgramCache]: Analyzing trace with hash -860680571, now seen corresponding path program 1 times [2021-02-21 17:36:20,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:20,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047998670] [2021-02-21 17:36:20,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:20,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:20,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:20,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:20,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,296 WARN L202 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:21,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:21,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:21,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:21,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-21 17:36:21,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047998670] [2021-02-21 17:36:21,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:21,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 17:36:21,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831762205] [2021-02-21 17:36:21,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 17:36:21,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:21,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 17:36:21,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-21 17:36:21,859 INFO L87 Difference]: Start difference. First operand 648 states and 841 transitions. Second operand 9 states. [2021-02-21 17:36:22,343 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:23,065 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:23,608 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:25,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:25,653 INFO L93 Difference]: Finished difference Result 680 states and 879 transitions. [2021-02-21 17:36:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 17:36:25,654 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2021-02-21 17:36:25,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:25,659 INFO L225 Difference]: With dead ends: 680 [2021-02-21 17:36:25,660 INFO L226 Difference]: Without dead ends: 677 [2021-02-21 17:36:25,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-02-21 17:36:25,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-02-21 17:36:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 647. [2021-02-21 17:36:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-02-21 17:36:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 839 transitions. [2021-02-21 17:36:25,755 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 839 transitions. Word has length 168 [2021-02-21 17:36:25,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:25,756 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 839 transitions. [2021-02-21 17:36:25,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 17:36:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 839 transitions. [2021-02-21 17:36:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-02-21 17:36:25,758 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:25,758 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] [2021-02-21 17:36:25,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 17:36:25,759 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:25,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:25,759 INFO L82 PathProgramCache]: Analyzing trace with hash -911485642, now seen corresponding path program 1 times [2021-02-21 17:36:25,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:25,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529161522] [2021-02-21 17:36:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:25,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:25,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:25,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:25,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,378 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:26,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:26,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:26,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-21 17:36:26,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529161522] [2021-02-21 17:36:26,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:26,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 17:36:26,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535624405] [2021-02-21 17:36:26,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 17:36:26,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:26,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 17:36:26,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-21 17:36:26,981 INFO L87 Difference]: Start difference. First operand 647 states and 839 transitions. Second operand 9 states. [2021-02-21 17:36:27,465 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:28,161 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:28,681 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:30,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:30,693 INFO L93 Difference]: Finished difference Result 679 states and 877 transitions. [2021-02-21 17:36:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 17:36:30,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2021-02-21 17:36:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:30,698 INFO L225 Difference]: With dead ends: 679 [2021-02-21 17:36:30,699 INFO L226 Difference]: Without dead ends: 676 [2021-02-21 17:36:30,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-02-21 17:36:30,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-02-21 17:36:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 646. [2021-02-21 17:36:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2021-02-21 17:36:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 837 transitions. [2021-02-21 17:36:30,796 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 837 transitions. Word has length 169 [2021-02-21 17:36:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:30,796 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 837 transitions. [2021-02-21 17:36:30,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 17:36:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2021-02-21 17:36:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-21 17:36:30,799 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:30,799 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] [2021-02-21 17:36:30,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 17:36:30,800 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:30,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:30,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1808529320, now seen corresponding path program 1 times [2021-02-21 17:36:30,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:30,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204421341] [2021-02-21 17:36:30,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:31,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:31,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,436 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:31,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:31,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:31,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-02-21 17:36:31,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204421341] [2021-02-21 17:36:31,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:31,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 17:36:31,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246446640] [2021-02-21 17:36:31,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 17:36:31,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:31,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 17:36:31,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-21 17:36:31,952 INFO L87 Difference]: Start difference. First operand 646 states and 837 transitions. Second operand 9 states. [2021-02-21 17:36:32,467 WARN L202 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:33,123 WARN L202 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:33,662 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:37,006 INFO L93 Difference]: Finished difference Result 1856 states and 2442 transitions. [2021-02-21 17:36:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 17:36:37,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2021-02-21 17:36:37,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:37,014 INFO L225 Difference]: With dead ends: 1856 [2021-02-21 17:36:37,014 INFO L226 Difference]: Without dead ends: 1238 [2021-02-21 17:36:37,016 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 [2021-02-21 17:36:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2021-02-21 17:36:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1208. [2021-02-21 17:36:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2021-02-21 17:36:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1589 transitions. [2021-02-21 17:36:37,170 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1589 transitions. Word has length 170 [2021-02-21 17:36:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:37,170 INFO L480 AbstractCegarLoop]: Abstraction has 1208 states and 1589 transitions. [2021-02-21 17:36:37,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 17:36:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1589 transitions. [2021-02-21 17:36:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-02-21 17:36:37,179 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:37,179 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] [2021-02-21 17:36:37,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 17:36:37,180 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:37,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:37,180 INFO L82 PathProgramCache]: Analyzing trace with hash -517590582, now seen corresponding path program 1 times [2021-02-21 17:36:37,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:37,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143823158] [2021-02-21 17:36:37,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:37,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:37,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:37,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:37,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,792 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:37,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:37,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-02-21 17:36:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 17:36:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:38,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-21 17:36:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-02-21 17:36:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:38,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:38,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-02-21 17:36:38,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143823158] [2021-02-21 17:36:38,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:38,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 17:36:38,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536881962] [2021-02-21 17:36:38,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 17:36:38,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:38,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 17:36:38,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-21 17:36:38,412 INFO L87 Difference]: Start difference. First operand 1208 states and 1589 transitions. Second operand 10 states. [2021-02-21 17:36:38,855 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:41,169 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-02-21 17:36:42,254 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-02-21 17:36:43,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:43,297 INFO L93 Difference]: Finished difference Result 2705 states and 3671 transitions. [2021-02-21 17:36:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 17:36:43,298 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2021-02-21 17:36:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:43,307 INFO L225 Difference]: With dead ends: 2705 [2021-02-21 17:36:43,307 INFO L226 Difference]: Without dead ends: 1543 [2021-02-21 17:36:43,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2021-02-21 17:36:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2021-02-21 17:36:43,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1205. [2021-02-21 17:36:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2021-02-21 17:36:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1574 transitions. [2021-02-21 17:36:43,482 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1574 transitions. Word has length 211 [2021-02-21 17:36:43,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:43,483 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1574 transitions. [2021-02-21 17:36:43,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 17:36:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1574 transitions. [2021-02-21 17:36:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-02-21 17:36:43,488 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:43,489 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] [2021-02-21 17:36:43,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 17:36:43,489 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:43,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:43,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1565412625, now seen corresponding path program 1 times [2021-02-21 17:36:43,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:43,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132244012] [2021-02-21 17:36:43,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:43,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:43,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:43,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:43,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:43,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:43,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:43,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:43,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,153 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:44,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-02-21 17:36:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:44,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:44,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 17:36:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:44,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 17:36:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-21 17:36:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-02-21 17:36:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:44,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:44,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-02-21 17:36:44,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132244012] [2021-02-21 17:36:44,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:44,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 17:36:44,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617320793] [2021-02-21 17:36:44,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 17:36:44,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:44,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 17:36:44,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-02-21 17:36:44,786 INFO L87 Difference]: Start difference. First operand 1205 states and 1574 transitions. Second operand 17 states. [2021-02-21 17:36:45,260 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:49,189 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:49,759 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2021-02-21 17:36:50,350 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:50,887 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:51,463 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:52,014 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:52,605 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:53,158 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-02-21 17:36:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:53,247 INFO L93 Difference]: Finished difference Result 2675 states and 3612 transitions. [2021-02-21 17:36:53,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-21 17:36:53,247 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 216 [2021-02-21 17:36:53,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:53,255 INFO L225 Difference]: With dead ends: 2675 [2021-02-21 17:36:53,255 INFO L226 Difference]: Without dead ends: 1516 [2021-02-21 17:36:53,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2021-02-21 17:36:53,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2021-02-21 17:36:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1185. [2021-02-21 17:36:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2021-02-21 17:36:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1548 transitions. [2021-02-21 17:36:53,412 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1548 transitions. Word has length 216 [2021-02-21 17:36:53,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:53,413 INFO L480 AbstractCegarLoop]: Abstraction has 1185 states and 1548 transitions. [2021-02-21 17:36:53,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 17:36:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1548 transitions. [2021-02-21 17:36:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-02-21 17:36:53,417 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 17:36:53,417 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] [2021-02-21 17:36:53,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 17:36:53,418 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 17:36:53,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 17:36:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1209221736, now seen corresponding path program 1 times [2021-02-21 17:36:53,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 17:36:53,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961053899] [2021-02-21 17:36:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 17:36:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:53,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:53,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:53,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:53,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,019 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-02-21 17:36:54,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 17:36:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 17:36:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 17:36:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-21 17:36:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 17:36:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-02-21 17:36:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-21 17:36:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 17:36:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 17:36:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 17:36:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-21 17:36:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:54,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:54,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:54,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 17:36:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 17:36:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 17:36:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-02-21 17:36:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 17:36:54,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 17:36:54,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 17:36:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-02-21 17:36:54,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961053899] [2021-02-21 17:36:54,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 17:36:54,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-21 17:36:54,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257946975] [2021-02-21 17:36:54,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-21 17:36:54,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 17:36:54,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-21 17:36:54,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-02-21 17:36:54,538 INFO L87 Difference]: Start difference. First operand 1185 states and 1548 transitions. Second operand 14 states. [2021-02-21 17:36:55,052 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-02-21 17:36:58,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 17:36:58,350 INFO L93 Difference]: Finished difference Result 1516 states and 2084 transitions. [2021-02-21 17:36:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 17:36:58,350 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2021-02-21 17:36:58,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 17:36:58,352 INFO L225 Difference]: With dead ends: 1516 [2021-02-21 17:36:58,352 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 17:36:58,356 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 [2021-02-21 17:36:58,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 17:36:58,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 17:36:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 17:36:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 17:36:58,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2021-02-21 17:36:58,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 17:36:58,357 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 17:36:58,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-21 17:36:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 17:36:58,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 17:36:58,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 17:36:58,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 17:37:00,395 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-21 17:37:00,621 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-21 17:37:00,831 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-21 17:37:01,005 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-21 17:37:02,175 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-21 17:37:02,330 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-21 17:37:02,520 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2021-02-21 17:37:02,629 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 51 [2021-02-21 17:37:04,753 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 262 [2021-02-21 17:37:05,648 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-21 17:37:06,117 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 1 [2021-02-21 17:37:06,680 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2021-02-21 17:37:07,142 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-21 17:37:08,067 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-21 17:37:08,439 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-21 17:37:09,410 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-21 17:37:09,889 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2021-02-21 17:37:10,750 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2021-02-21 17:37:11,698 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2021-02-21 17:37:12,211 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2021-02-21 17:37:12,689 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-21 17:37:13,114 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2021-02-21 17:37:14,056 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-21 17:37:14,514 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2021-02-21 17:37:14,939 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2021-02-21 17:37:15,372 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2021-02-21 17:37:16,257 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:17,164 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 37 [2021-02-21 17:37:17,672 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-21 17:37:18,538 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:18,980 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2021-02-21 17:37:19,839 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:20,759 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 37 [2021-02-21 17:37:21,681 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-21 17:37:22,564 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-21 17:37:23,439 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-21 17:37:24,348 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 21 [2021-02-21 17:37:25,331 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:25,448 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2021-02-21 17:37:25,983 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 82 [2021-02-21 17:37:26,402 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-21 17:37:26,884 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2021-02-21 17:37:28,205 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 194 DAG size of output: 36 [2021-02-21 17:37:29,065 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:29,497 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2021-02-21 17:37:30,352 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:30,804 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 31 [2021-02-21 17:37:32,090 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 192 DAG size of output: 29 [2021-02-21 17:37:33,040 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:33,873 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:34,888 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 43 [2021-02-21 17:37:35,745 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 20 [2021-02-21 17:37:36,167 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2021-02-21 17:37:36,412 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-21 17:37:36,412 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-21 17:37:36,412 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-21 17:37:36,412 INFO L189 CegarLoopUtils]: For program point usbnet_resumeFINAL(lines 7023 7025) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L192 CegarLoopUtils]: At program point usbnet_resumeENTRY(lines 7023 7025) the Hoare annotation is: true [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point usbnet_resumeEXIT(lines 7023 7025) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6286(line 6286) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_11EXIT(lines 6283 6290) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_11ENTRY(lines 6283 6290) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_11FINAL(lines 6283 6290) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6556(line 6556) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6557(lines 6557 6562) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6552-1(lines 6552 6555) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6552(lines 6552 6555) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_lockFINAL(lines 6548 6564) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point L6553(line 6553) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_lockENTRY(lines 6548 6564) no Hoare annotation was computed. [2021-02-21 17:37:36,413 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_lockEXIT(lines 6548 6564) no Hoare annotation was computed. [2021-02-21 17:37:36,414 INFO L189 CegarLoopUtils]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6299 6306) no Hoare annotation was computed. [2021-02-21 17:37:36,414 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))) [2021-02-21 17:37:36,414 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))) [2021-02-21 17:37:36,414 INFO L189 CegarLoopUtils]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6299 6306) no Hoare annotation was computed. [2021-02-21 17:37:36,415 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))) [2021-02-21 17:37:36,415 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_i_mutex_of_inodeENTRY(lines 6493 6499) no Hoare annotation was computed. [2021-02-21 17:37:36,415 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_i_mutex_of_inodeFINAL(lines 6493 6499) no Hoare annotation was computed. [2021-02-21 17:37:36,415 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_i_mutex_of_inodeEXIT(lines 6493 6499) no Hoare annotation was computed. [2021-02-21 17:37:36,415 INFO L189 CegarLoopUtils]: For program point ldv_stopEXIT(lines 5792 5798) no Hoare annotation was computed. [2021-02-21 17:37:36,415 INFO L192 CegarLoopUtils]: At program point ldv_stopENTRY(lines 5792 5798) the Hoare annotation is: true [2021-02-21 17:37:36,415 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeFINAL(lines 6404 6420) no Hoare annotation was computed. [2021-02-21 17:37:36,415 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeENTRY(lines 6404 6420) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point L6412(line 6412) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point L6413(lines 6413 6418) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeEXIT(lines 6404 6420) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point L6408-1(lines 6408 6411) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point L6408(lines 6408 6411) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point L6409(line 6409) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_i_mutex_of_inodeEXIT(lines 6523 6529) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_i_mutex_of_inodeFINAL(lines 6523 6529) no Hoare annotation was computed. [2021-02-21 17:37:36,416 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_i_mutex_of_inodeENTRY(lines 6523 6529) no Hoare annotation was computed. [2021-02-21 17:37:36,417 INFO L192 CegarLoopUtils]: At program point ldv_initializeFINAL(lines 6987 6989) the Hoare annotation is: true [2021-02-21 17:37:36,417 INFO L189 CegarLoopUtils]: For program point ldv_initializeEXIT(lines 6987 6989) no Hoare annotation was computed. [2021-02-21 17:37:36,417 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))) [2021-02-21 17:37:36,417 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,417 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,417 INFO L189 CegarLoopUtils]: For program point usb_deregisterEXIT(lines 7004 7006) no Hoare annotation was computed. [2021-02-21 17:37:36,417 INFO L189 CegarLoopUtils]: For program point usb_deregisterFINAL(lines 7004 7006) no Hoare annotation was computed. [2021-02-21 17:37:36,417 INFO L192 CegarLoopUtils]: At program point usb_deregisterENTRY(lines 7004 7006) the Hoare annotation is: true [2021-02-21 17:37:36,418 INFO L192 CegarLoopUtils]: At program point ldv_undef_int_negativeENTRY(lines 6336 6349) the Hoare annotation is: true [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L192 CegarLoopUtils]: At program point L6344(line 6344) the Hoare annotation is: true [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point ldv_undef_int_negativeFINAL(lines 6336 6349) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point L6341-1(line 6341) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point ldv_undef_int_negativeEXIT(lines 6336 6349) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L192 CegarLoopUtils]: At program point L6341(line 6341) the Hoare annotation is: true [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_udevFINAL(lines 6932 6939) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2021-02-21 17:37:36,418 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_udevENTRY(lines 6932 6939) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point L6936(line 6936) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_udevEXIT(lines 6932 6939) no Hoare annotation was computed. [2021-02-21 17:37:36,419 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))) [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_exitEXIT(lines 5956 5962) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_exitFINAL(lines 5956 5962) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L192 CegarLoopUtils]: At program point usbnet_disconnectENTRY(lines 7015 7017) the Hoare annotation is: true [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point usbnet_disconnectFINAL(lines 7015 7017) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point usbnet_disconnectEXIT(lines 7015 7017) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_udevFINAL(lines 6819 6835) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point L6827(line 6827) no Hoare annotation was computed. [2021-02-21 17:37:36,419 INFO L189 CegarLoopUtils]: For program point L6828(lines 6828 6833) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point L6823-1(lines 6823 6826) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_udevENTRY(lines 6819 6835) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point L6823(lines 6823 6826) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point L6824(line 6824) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_udevEXIT(lines 6819 6835) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_mutex_of_deviceEXIT(lines 6781 6787) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_mutex_of_deviceENTRY(lines 6781 6787) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_mutex_of_deviceFINAL(lines 6781 6787) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6291 6298) no Hoare annotation was computed. [2021-02-21 17:37:36,420 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6291 6298) no Hoare annotation was computed. [2021-02-21 17:37:36,421 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)) [2021-02-21 17:37:36,421 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)) [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point L6295-1(line 6295) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_8ENTRY(lines 6254 6266) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_8EXIT(lines 6254 6266) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_8FINAL(lines 6254 6266) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point L6262(line 6262) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point L6260-1(line 6260) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point L6262-1(line 6262) no Hoare annotation was computed. [2021-02-21 17:37:36,421 INFO L189 CegarLoopUtils]: For program point L6260(line 6260) no Hoare annotation was computed. [2021-02-21 17:37:36,422 INFO L189 CegarLoopUtils]: For program point usbnet_suspendFINAL(lines 7027 7029) no Hoare annotation was computed. [2021-02-21 17:37:36,422 INFO L192 CegarLoopUtils]: At program point usbnet_suspendENTRY(lines 7027 7029) the Hoare annotation is: true [2021-02-21 17:37:36,422 INFO L189 CegarLoopUtils]: For program point usbnet_suspendEXIT(lines 7027 7029) no Hoare annotation was computed. [2021-02-21 17:37:36,422 INFO L189 CegarLoopUtils]: For program point L5952-1(line 5952) no Hoare annotation was computed. [2021-02-21 17:37:36,422 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))) [2021-02-21 17:37:36,422 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_initEXIT(lines 5948 5955) no Hoare annotation was computed. [2021-02-21 17:37:36,422 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))) [2021-02-21 17:37:36,422 INFO L189 CegarLoopUtils]: For program point cdc_subset_driver_initFINAL(lines 5948 5955) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point ldv_mallocENTRY(lines 5723 5739) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point L5735(line 5735) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point L5735-1(line 5735) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point ldv_mallocFINAL(lines 5723 5739) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point L5730(lines 5730 5737) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point ldv_mallocEXIT(lines 5723 5739) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_lockFINAL(lines 6565 6575) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point L6568-1(lines 6568 6571) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point L6568(lines 6568 6571) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_lockENTRY(lines 6565 6575) no Hoare annotation was computed. [2021-02-21 17:37:36,423 INFO L189 CegarLoopUtils]: For program point L6569(line 6569) no Hoare annotation was computed. [2021-02-21 17:37:36,424 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_lockEXIT(lines 6565 6575) no Hoare annotation was computed. [2021-02-21 17:37:36,424 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))) [2021-02-21 17:37:36,424 INFO L189 CegarLoopUtils]: For program point ldv_usb_driver_1EXIT(lines 5970 5978) no Hoare annotation was computed. [2021-02-21 17:37:36,424 INFO L189 CegarLoopUtils]: For program point L5974-1(line 5974) no Hoare annotation was computed. [2021-02-21 17:37:36,424 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))) [2021-02-21 17:37:36,425 INFO L189 CegarLoopUtils]: For program point ldv_usb_driver_1FINAL(lines 5970 5978) no Hoare annotation was computed. [2021-02-21 17:37:36,425 INFO L189 CegarLoopUtils]: For program point L5856-1(line 5856) no Hoare annotation was computed. [2021-02-21 17:37:36,425 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))) [2021-02-21 17:37:36,425 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))) [2021-02-21 17:37:36,425 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)) [2021-02-21 17:37:36,425 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)) [2021-02-21 17:37:36,425 INFO L189 CegarLoopUtils]: For program point L5851-1(line 5851) no Hoare annotation was computed. [2021-02-21 17:37:36,425 INFO L189 CegarLoopUtils]: For program point m5632_recoverFINAL(lines 5843 5860) no Hoare annotation was computed. [2021-02-21 17:37:36,425 INFO L189 CegarLoopUtils]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-02-21 17:37:36,425 INFO L189 CegarLoopUtils]: For program point m5632_recoverEXIT(lines 5843 5860) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point ldv_ptr_errENTRY(lines 6362 6367) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point ldv_ptr_errFINAL(lines 6362 6367) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point ldv_ptr_errEXIT(lines 6362 6367) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point dummy_preresetENTRY(lines 5929 5934) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point dummy_preresetFINAL(lines 5929 5934) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point dummy_preresetEXIT(lines 5929 5934) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point L6945-1(line 6945) no Hoare annotation was computed. [2021-02-21 17:37:36,426 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 6940 6954) no Hoare annotation was computed. [2021-02-21 17:37:36,427 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)) [2021-02-21 17:37:36,427 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 6940 6954) no Hoare annotation was computed. [2021-02-21 17:37:36,427 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)) [2021-02-21 17:37:36,427 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)) [2021-02-21 17:37:36,427 INFO L189 CegarLoopUtils]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-02-21 17:37:36,427 INFO L189 CegarLoopUtils]: For program point L6947-1(line 6947) no Hoare annotation was computed. [2021-02-21 17:37:36,427 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)) [2021-02-21 17:37:36,427 INFO L189 CegarLoopUtils]: For program point L6950-1(line 6950) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point ldv_reset_resume_1FINAL(lines 6991 6993) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point ldv_reset_resume_1EXIT(lines 6991 6993) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L192 CegarLoopUtils]: At program point ldv_reset_resume_1ENTRY(lines 6991 6993) the Hoare annotation is: true [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point ldv_is_err_or_nullENTRY(lines 6368 6385) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point ldv_is_err_or_nullEXIT(lines 6368 6385) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point L6376-1(line 6376) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point L6377-2(lines 6373 6382) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point L6376(line 6376) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point L6377(lines 6377 6381) no Hoare annotation was computed. [2021-02-21 17:37:36,428 INFO L189 CegarLoopUtils]: For program point ldv_is_err_or_nullFINAL(lines 6368 6385) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point L6373(lines 6373 6382) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point kfreeEXIT(lines 7031 7033) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point kfreeENTRY(lines 7031 7033) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point kfreeFINAL(lines 7031 7033) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point mutex_trylockENTRY(lines 6998 7000) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point mutex_trylockEXIT(lines 6998 7000) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point mutex_trylockFINAL(lines 6998 7000) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_udevFINAL(lines 6925 6931) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_udevEXIT(lines 6925 6931) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_udevENTRY(lines 6925 6931) no Hoare annotation was computed. [2021-02-21 17:37:36,429 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_mutex_of_deviceFINAL(lines 6811 6817) no Hoare annotation was computed. [2021-02-21 17:37:36,430 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_mutex_of_deviceENTRY(lines 6811 6817) no Hoare annotation was computed. [2021-02-21 17:37:36,430 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_mutex_of_deviceEXIT(lines 6811 6817) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point mutex_unlockENTRY(lines 7001 7003) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point mutex_unlockEXIT(lines 7001 7003) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point mutex_unlockFINAL(lines 7001 7003) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_mutex_of_deviceENTRY(lines 6692 6708) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_mutex_of_deviceEXIT(lines 6692 6708) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point L6700(line 6700) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_mutex_of_deviceFINAL(lines 6692 6708) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point L6701(lines 6701 6706) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point L6696-1(lines 6696 6699) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point L6696(lines 6696 6699) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point L6697(line 6697) no Hoare annotation was computed. [2021-02-21 17:37:36,431 INFO L189 CegarLoopUtils]: For program point ldv_errorFINAL(lines 6329 6335) no Hoare annotation was computed. [2021-02-21 17:37:36,432 INFO L192 CegarLoopUtils]: At program point ldv_errorENTRY(lines 6329 6335) the Hoare annotation is: true [2021-02-21 17:37:36,432 INFO L189 CegarLoopUtils]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-02-21 17:37:36,432 INFO L189 CegarLoopUtils]: For program point ldv_errorEXIT(lines 6329 6335) no Hoare annotation was computed. [2021-02-21 17:37:36,432 INFO L189 CegarLoopUtils]: For program point ldv_usb_deregister_15FINAL(lines 6321 6328) no Hoare annotation was computed. [2021-02-21 17:37:36,432 INFO L189 CegarLoopUtils]: For program point ldv_usb_deregister_15EXIT(lines 6321 6328) no Hoare annotation was computed. [2021-02-21 17:37:36,432 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))) [2021-02-21 17:37:36,432 INFO L189 CegarLoopUtils]: For program point L6324-1(line 6324) no Hoare annotation was computed. [2021-02-21 17:37:36,432 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))) [2021-02-21 17:37:36,432 INFO L189 CegarLoopUtils]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 17:37:36,433 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))) [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point L6844(line 6844) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point L6845(lines 6845 6850) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point L6840-1(lines 6840 6843) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point L6840(lines 6840 6843) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point L6841(line 6841) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_udevFINAL(lines 6836 6852) no Hoare annotation was computed. [2021-02-21 17:37:36,433 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_udevEXIT(lines 6836 6852) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_killable_udevENTRY(lines 6836 6852) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L192 CegarLoopUtils]: At program point assume_abort_if_notENTRY(lines 5720 5722) the Hoare annotation is: true [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point L5721-2(lines 5720 5722) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5720 5722) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point L5762-1(line 5762) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point ldv_init_zallocFINAL(lines 5757 5767) no Hoare annotation was computed. [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point ldv_init_zallocEXIT(lines 5757 5767) no Hoare annotation was computed. [2021-02-21 17:37:36,434 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))) [2021-02-21 17:37:36,434 INFO L189 CegarLoopUtils]: For program point L5764-1(line 5764) no Hoare annotation was computed. [2021-02-21 17:37:36,435 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))) [2021-02-21 17:37:36,435 INFO L192 CegarLoopUtils]: At program point L5764(line 5764) the Hoare annotation is: true [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point L6513-1(line 6513) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point L6513(line 6513) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeENTRY(lines 6508 6522) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeFINAL(lines 6508 6522) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point L6518(line 6518) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeEXIT(lines 6508 6522) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point L6514(lines 6514 6520) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point L6515-1(line 6515) no Hoare annotation was computed. [2021-02-21 17:37:36,435 INFO L189 CegarLoopUtils]: For program point L6515(line 6515) no Hoare annotation was computed. [2021-02-21 17:37:36,436 INFO L189 CegarLoopUtils]: For program point L6518-1(line 6518) no Hoare annotation was computed. [2021-02-21 17:37:36,436 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,436 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)) [2021-02-21 17:37:36,436 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,436 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_lockFINAL(lines 6667 6673) no Hoare annotation was computed. [2021-02-21 17:37:36,437 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_lockENTRY(lines 6667 6673) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_lockEXIT(lines 6667 6673) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point mutex_lockENTRY(lines 6994 6996) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point mutex_lockFINAL(lines 6994 6996) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point mutex_lockEXIT(lines 6994 6996) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point L6648-1(line 6648) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point L6648(line 6648) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_lockEXIT(lines 6644 6651) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_lockFINAL(lines 6644 6651) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_lockENTRY(lines 6644 6651) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point ldv_memsetFINAL(lines 5768 5775) no Hoare annotation was computed. [2021-02-21 17:37:36,438 INFO L189 CegarLoopUtils]: For program point L5772-1(line 5772) no Hoare annotation was computed. [2021-02-21 17:37:36,439 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$.base)|)) (not (= ~ldv_retval_3~0 0)) (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_mutex_udev~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_i_mutex_of_inode~0 1))) [2021-02-21 17:37:36,439 INFO L185 CegarLoopUtils]: At program point ldv_memsetENTRY(lines 5768 5775) the Hoare annotation is: (or (not (= ~ldv_state_variable_6~0 0)) (and (= |#memory_$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))) [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point ldv_memsetEXIT(lines 5768 5775) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_i_mutex_of_inodeEXIT(lines 6466 6481) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point L6470(lines 6470 6479) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point L6471-1(line 6471) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point L6471(line 6471) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point L6472(lines 6472 6476) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_i_mutex_of_inodeENTRY(lines 6466 6481) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_i_mutex_of_inodeFINAL(lines 6466 6481) no Hoare annotation was computed. [2021-02-21 17:37:36,439 INFO L189 CegarLoopUtils]: For program point L6683(line 6683) no Hoare annotation was computed. [2021-02-21 17:37:36,440 INFO L189 CegarLoopUtils]: For program point L6684(lines 6684 6689) no Hoare annotation was computed. [2021-02-21 17:37:36,440 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceENTRY(lines 6675 6691) no Hoare annotation was computed. [2021-02-21 17:37:36,440 INFO L189 CegarLoopUtils]: For program point L6679-1(lines 6679 6682) no Hoare annotation was computed. [2021-02-21 17:37:36,440 INFO L189 CegarLoopUtils]: For program point L6679(lines 6679 6682) no Hoare annotation was computed. [2021-02-21 17:37:36,440 INFO L189 CegarLoopUtils]: For program point L6680(line 6680) no Hoare annotation was computed. [2021-02-21 17:37:36,440 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceFINAL(lines 6675 6691) no Hoare annotation was computed. [2021-02-21 17:37:36,441 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceEXIT(lines 6675 6691) no Hoare annotation was computed. [2021-02-21 17:37:36,441 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_mutex_of_deviceENTRY(lines 6754 6769) no Hoare annotation was computed. [2021-02-21 17:37:36,441 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_mutex_of_deviceEXIT(lines 6754 6769) no Hoare annotation was computed. [2021-02-21 17:37:36,441 INFO L189 CegarLoopUtils]: For program point L6758(lines 6758 6767) no Hoare annotation was computed. [2021-02-21 17:37:36,441 INFO L189 CegarLoopUtils]: For program point L6759-1(line 6759) no Hoare annotation was computed. [2021-02-21 17:37:36,441 INFO L189 CegarLoopUtils]: For program point L6759(line 6759) no Hoare annotation was computed. [2021-02-21 17:37:36,444 INFO L189 CegarLoopUtils]: For program point L6760(lines 6760 6764) no Hoare annotation was computed. [2021-02-21 17:37:36,444 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_mutex_of_deviceFINAL(lines 6754 6769) no Hoare annotation was computed. [2021-02-21 17:37:36,444 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_udevFINAL(lines 6853 6863) no Hoare annotation was computed. [2021-02-21 17:37:36,444 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)) [2021-02-21 17:37:36,444 INFO L189 CegarLoopUtils]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-02-21 17:37:36,444 INFO L189 CegarLoopUtils]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-02-21 17:37:36,445 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))) [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_udevEXIT(lines 6853 6863) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point L6395(line 6395) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point L6396(lines 6396 6401) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point L6391-1(lines 6391 6394) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point L6391(lines 6391 6394) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point L6392(line 6392) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeENTRY(lines 6387 6403) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeEXIT(lines 6387 6403) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeFINAL(lines 6387 6403) no Hoare annotation was computed. [2021-02-21 17:37:36,445 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_udevEXIT(lines 6914 6924) no Hoare annotation was computed. [2021-02-21 17:37:36,445 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))) [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-02-21 17:37:36,446 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))) [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_udevFINAL(lines 6914 6924) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L192 CegarLoopUtils]: At program point ldv_undef_intENTRY(lines 5776 5783) the Hoare annotation is: true [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point ldv_undef_intFINAL(lines 5776 5783) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point ldv_undef_intEXIT(lines 5776 5783) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-02-21 17:37:36,446 INFO L189 CegarLoopUtils]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-02-21 17:37:36,447 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 5979 6229) no Hoare annotation was computed. [2021-02-21 17:37:36,447 INFO L189 CegarLoopUtils]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-02-21 17:37:36,447 INFO L192 CegarLoopUtils]: At program point L6196(line 6196) the Hoare annotation is: true [2021-02-21 17:37:36,447 INFO L189 CegarLoopUtils]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-02-21 17:37:36,447 INFO L189 CegarLoopUtils]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-02-21 17:37:36,447 INFO L189 CegarLoopUtils]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-02-21 17:37:36,447 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))) [2021-02-21 17:37:36,447 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))) [2021-02-21 17:37:36,447 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))) [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6081-1(line 6081) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L192 CegarLoopUtils]: At program point L6214(line 6214) the Hoare annotation is: true [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6016(line 6016) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 5979 6229) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-02-21 17:37:36,448 INFO L189 CegarLoopUtils]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-02-21 17:37:36,449 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))) [2021-02-21 17:37:36,449 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))) [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6133-1(line 6133) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6034-1(line 6034) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-02-21 17:37:36,449 INFO L189 CegarLoopUtils]: For program point L6052-1(line 6052) no Hoare annotation was computed. [2021-02-21 17:37:36,450 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))) [2021-02-21 17:37:36,450 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))) [2021-02-21 17:37:36,450 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))) [2021-02-21 17:37:36,450 INFO L189 CegarLoopUtils]: For program point L6003-1(line 6003) no Hoare annotation was computed. [2021-02-21 17:37:36,450 INFO L189 CegarLoopUtils]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-02-21 17:37:36,450 INFO L189 CegarLoopUtils]: For program point L6102-1(line 6102) no Hoare annotation was computed. [2021-02-21 17:37:36,450 INFO L189 CegarLoopUtils]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-02-21 17:37:36,450 INFO L189 CegarLoopUtils]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-02-21 17:37:36,450 INFO L189 CegarLoopUtils]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-02-21 17:37:36,451 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))) [2021-02-21 17:37:36,451 INFO L189 CegarLoopUtils]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-02-21 17:37:36,451 INFO L189 CegarLoopUtils]: For program point L6070-1(line 6070) no Hoare annotation was computed. [2021-02-21 17:37:36,452 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))) [2021-02-21 17:37:36,452 INFO L189 CegarLoopUtils]: For program point L6087-1(line 6087) no Hoare annotation was computed. [2021-02-21 17:37:36,452 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))) [2021-02-21 17:37:36,452 INFO L189 CegarLoopUtils]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-02-21 17:37:36,452 INFO L189 CegarLoopUtils]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-02-21 17:37:36,452 INFO L189 CegarLoopUtils]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-02-21 17:37:36,452 INFO L189 CegarLoopUtils]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-02-21 17:37:36,452 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))) [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6005-1(line 6005) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L192 CegarLoopUtils]: At program point L6121(line 6121) the Hoare annotation is: true [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L192 CegarLoopUtils]: At program point L6221(line 6221) the Hoare annotation is: true [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6172-1(line 6172) no Hoare annotation was computed. [2021-02-21 17:37:36,453 INFO L189 CegarLoopUtils]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-02-21 17:37:36,453 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))) [2021-02-21 17:37:36,454 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))) [2021-02-21 17:37:36,454 INFO L189 CegarLoopUtils]: For program point L6007-1(line 6007) no Hoare annotation was computed. [2021-02-21 17:37:36,454 INFO L192 CegarLoopUtils]: At program point L6040(line 6040) the Hoare annotation is: true [2021-02-21 17:37:36,454 INFO L189 CegarLoopUtils]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-02-21 17:37:36,454 INFO L189 CegarLoopUtils]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-02-21 17:37:36,454 INFO L189 CegarLoopUtils]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-02-21 17:37:36,454 INFO L189 CegarLoopUtils]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-02-21 17:37:36,454 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))) [2021-02-21 17:37:36,454 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))) [2021-02-21 17:37:36,454 INFO L192 CegarLoopUtils]: At program point L6058(line 6058) the Hoare annotation is: true [2021-02-21 17:37:36,455 INFO L189 CegarLoopUtils]: For program point L6190-1(line 6190) no Hoare annotation was computed. [2021-02-21 17:37:36,455 INFO L189 CegarLoopUtils]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-02-21 17:37:36,455 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))) [2021-02-21 17:37:36,455 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))) [2021-02-21 17:37:36,455 INFO L189 CegarLoopUtils]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2021-02-21 17:37:36,455 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))) [2021-02-21 17:37:36,455 INFO L189 CegarLoopUtils]: For program point L6009-1(line 6009) no Hoare annotation was computed. [2021-02-21 17:37:36,455 INFO L189 CegarLoopUtils]: For program point L6208-1(line 6208) no Hoare annotation was computed. [2021-02-21 17:37:36,455 INFO L189 CegarLoopUtils]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-02-21 17:37:36,456 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))) [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-02-21 17:37:36,456 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))) [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6011-1(line 6011) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6226(line 6226) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-02-21 17:37:36,456 INFO L189 CegarLoopUtils]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L192 CegarLoopUtils]: At program point L6160(line 6160) the Hoare annotation is: true [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-02-21 17:37:36,457 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))) [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6095-1(line 6095) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L192 CegarLoopUtils]: At program point L6178(line 6178) the Hoare annotation is: true [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-02-21 17:37:36,457 INFO L189 CegarLoopUtils]: For program point L6112-1(line 6112) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-02-21 17:37:36,458 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))) [2021-02-21 17:37:36,458 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))) [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point L6013-1(line 6013) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_mutex_of_deviceEXIT(lines 6720 6736) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_mutex_of_deviceENTRY(lines 6720 6736) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_mutex_of_deviceFINAL(lines 6720 6736) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point L6728(line 6728) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point L6729(lines 6729 6734) no Hoare annotation was computed. [2021-02-21 17:37:36,458 INFO L189 CegarLoopUtils]: For program point L6724-1(lines 6724 6727) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point L6724(lines 6724 6727) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point L6725(line 6725) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_7ENTRY(lines 6246 6253) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_7EXIT(lines 6246 6253) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_7FINAL(lines 6246 6253) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point L6249(line 6249) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point dummy_postresetEXIT(lines 5935 5940) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point dummy_postresetENTRY(lines 5935 5940) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point dummy_postresetFINAL(lines 5935 5940) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_i_mutex_of_inodeFINAL(lines 6421 6431) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_i_mutex_of_inodeENTRY(lines 6421 6431) no Hoare annotation was computed. [2021-02-21 17:37:36,459 INFO L189 CegarLoopUtils]: For program point L6424-1(lines 6424 6427) no Hoare annotation was computed. [2021-02-21 17:37:36,460 INFO L189 CegarLoopUtils]: For program point L6424(lines 6424 6427) no Hoare annotation was computed. [2021-02-21 17:37:36,460 INFO L189 CegarLoopUtils]: For program point L6425(line 6425) no Hoare annotation was computed. [2021-02-21 17:37:36,460 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_i_mutex_of_inodeEXIT(lines 6421 6431) no Hoare annotation was computed. [2021-02-21 17:37:36,460 INFO L192 CegarLoopUtils]: At program point usbnet_probeENTRY(lines 7019 7021) the Hoare annotation is: true [2021-02-21 17:37:36,460 INFO L189 CegarLoopUtils]: For program point usbnet_probeFINAL(lines 7019 7021) no Hoare annotation was computed. [2021-02-21 17:37:36,460 INFO L189 CegarLoopUtils]: For program point usbnet_probeEXIT(lines 7019 7021) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point L6584(line 6584) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point L6585(lines 6585 6590) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point L6580-1(lines 6580 6583) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point L6580(lines 6580 6583) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point L6581(line 6581) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_lockEXIT(lines 6576 6592) no Hoare annotation was computed. [2021-02-21 17:37:36,461 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_lockENTRY(lines 6576 6592) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_lockFINAL(lines 6576 6592) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_5EXIT(lines 6230 6237) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point L6233(line 6233) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_5ENTRY(lines 6230 6237) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_5FINAL(lines 6230 6237) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_lockFINAL(lines 6637 6643) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_lockENTRY(lines 6637 6643) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_lockEXIT(lines 6637 6643) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L192 CegarLoopUtils]: At program point usb_register_driverENTRY(lines 7008 7010) the Hoare annotation is: true [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point usb_register_driverFINAL(lines 7008 7010) no Hoare annotation was computed. [2021-02-21 17:37:36,462 INFO L189 CegarLoopUtils]: For program point usb_register_driverEXIT(lines 7008 7010) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6801(line 6801) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceEXIT(lines 6796 6810) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceENTRY(lines 6796 6810) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceFINAL(lines 6796 6810) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6806(line 6806) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6802(lines 6802 6808) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6803(line 6803) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6806-1(line 6806) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_mutex_of_deviceEXIT(lines 6788 6795) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6792-1(line 6792) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point L6792(line 6792) no Hoare annotation was computed. [2021-02-21 17:37:36,463 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_mutex_of_deviceENTRY(lines 6788 6795) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_mutex_of_deviceFINAL(lines 6788 6795) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_is_errEXIT(lines 6350 6355) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_is_errENTRY(lines 6350 6355) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_is_errFINAL(lines 6350 6355) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_i_mutex_of_inodeEXIT(lines 6432 6448) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_i_mutex_of_inodeENTRY(lines 6432 6448) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_i_mutex_of_inodeFINAL(lines 6432 6448) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point L6440(line 6440) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point L6441(lines 6441 6446) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point L6436-1(lines 6436 6439) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point L6436(lines 6436 6439) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point L6437(line 6437) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_udevEXIT(lines 6881 6897) no Hoare annotation was computed. [2021-02-21 17:37:36,464 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_udevENTRY(lines 6881 6897) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_udevFINAL(lines 6881 6897) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6890(lines 6890 6894) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6886(line 6886) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6889(line 6889) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6885-1(lines 6885 6888) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6885(lines 6885 6888) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point __ldv_usb_unlock_deviceFINAL(lines 6984 6986) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L192 CegarLoopUtils]: At program point __ldv_usb_unlock_deviceENTRY(lines 6984 6986) the Hoare annotation is: true [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point __ldv_usb_unlock_deviceEXIT(lines 6984 6986) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6614(lines 6614 6623) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6615-1(line 6615) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6615(line 6615) no Hoare annotation was computed. [2021-02-21 17:37:36,465 INFO L189 CegarLoopUtils]: For program point L6616(lines 6616 6620) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_lockEXIT(lines 6610 6625) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_lockENTRY(lines 6610 6625) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_lockFINAL(lines 6610 6625) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_6ENTRY(lines 6238 6245) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point L6241(line 6241) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_6EXIT(lines 6238 6245) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_6FINAL(lines 6238 6245) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_err_ptrEXIT(lines 6356 6361) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_err_ptrENTRY(lines 6356 6361) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_err_ptrFINAL(lines 6356 6361) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_udevEXIT(lines 6864 6880) no Hoare annotation was computed. [2021-02-21 17:37:36,466 INFO L189 CegarLoopUtils]: For program point L6872(line 6872) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point L6873(lines 6873 6878) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_udevENTRY(lines 6864 6880) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point L6868-1(lines 6868 6871) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point L6868(lines 6868 6871) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point L6869(line 6869) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_trylock_udevFINAL(lines 6864 6880) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point L6270(line 6270) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_9ENTRY(lines 6267 6274) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point L6270-1(line 6270) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_9EXIT(lines 6267 6274) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_9FINAL(lines 6267 6274) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_lockENTRY(lines 6626 6636) no Hoare annotation was computed. [2021-02-21 17:37:36,467 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_lockEXIT(lines 6626 6636) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point L6630(line 6630) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_lockFINAL(lines 6626 6636) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point L6629-1(lines 6629 6632) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point L6629(lines 6629 6632) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_10ENTRY(lines 6275 6282) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_10FINAL(lines 6275 6282) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point L6278(line 6278) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_10EXIT(lines 6275 6282) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point L6278-1(line 6278) no Hoare annotation was computed. [2021-02-21 17:37:36,468 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))) [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_udevFINAL(lines 6955 6961) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_usb_unlock_device_udevEXIT(lines 6955 6961) no Hoare annotation was computed. [2021-02-21 17:37:36,468 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_udevENTRY(lines 6898 6913) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point L6902(lines 6902 6911) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point L6903-1(line 6903) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point L6903(line 6903) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_udevFINAL(lines 6898 6913) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point L6904(lines 6904 6908) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point ldv_mutex_is_locked_udevEXIT(lines 6898 6913) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L192 CegarLoopUtils]: At program point usb_reset_deviceENTRY(lines 7012 7014) the Hoare annotation is: true [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point usb_reset_deviceFINAL(lines 7012 7014) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point usb_reset_deviceEXIT(lines 7012 7014) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point ldv_undef_ulongENTRY(lines 5784 5791) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point ldv_undef_ulongEXIT(lines 5784 5791) no Hoare annotation was computed. [2021-02-21 17:37:36,469 INFO L189 CegarLoopUtils]: For program point ldv_undef_ulongFINAL(lines 5784 5791) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L192 CegarLoopUtils]: At program point always_connectedENTRY(lines 5837 5842) the Hoare annotation is: true [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point always_connectedFINAL(lines 5837 5842) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point always_connectedEXIT(lines 5837 5842) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point L6774(line 6774) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_mutex_of_deviceEXIT(lines 6770 6780) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_mutex_of_deviceENTRY(lines 6770 6780) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_mutex_of_deviceFINAL(lines 6770 6780) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point L6773-1(lines 6773 6776) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point L6773(lines 6773 6776) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point ldv_usb_register_driver_14FINAL(lines 6307 6320) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point ldv_usb_register_driver_14EXIT(lines 6307 6320) no Hoare annotation was computed. [2021-02-21 17:37:36,470 INFO L189 CegarLoopUtils]: For program point L6317-1(line 6317) no Hoare annotation was computed. [2021-02-21 17:37:36,470 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))) [2021-02-21 17:37:36,471 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))) [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6313-1(line 6313) no Hoare annotation was computed. [2021-02-21 17:37:36,471 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))) [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_lockENTRY(lines 6652 6666) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6657-1(line 6657) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6657(line 6657) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6662(line 6662) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_lockFINAL(lines 6652 6666) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6658(lines 6658 6664) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6659-1(line 6659) no Hoare annotation was computed. [2021-02-21 17:37:36,471 INFO L189 CegarLoopUtils]: For program point L6659(line 6659) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point ldv_usb_lock_device_for_reset_lockEXIT(lines 6652 6666) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6662-1(line 6662) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_i_mutex_of_inodeEXIT(lines 6500 6507) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_i_mutex_of_inodeENTRY(lines 6500 6507) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point ldv_usb_trylock_device_i_mutex_of_inodeFINAL(lines 6500 6507) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6504-1(line 6504) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6504(line 6504) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_lockFINAL(lines 6593 6609) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6602(lines 6602 6606) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6598(line 6598) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_lockENTRY(lines 6593 6609) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6601(line 6601) no Hoare annotation was computed. [2021-02-21 17:37:36,472 INFO L189 CegarLoopUtils]: For program point L6597-1(lines 6597 6600) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_lockEXIT(lines 6593 6609) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point L6597(lines 6597 6600) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeFINAL(lines 6449 6465) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point L6458(lines 6458 6462) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeENTRY(lines 6449 6465) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point L6454(line 6454) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point L6457(line 6457) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeEXIT(lines 6449 6465) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point L6453-1(lines 6453 6456) no Hoare annotation was computed. [2021-02-21 17:37:36,473 INFO L189 CegarLoopUtils]: For program point L6453(lines 6453 6456) no Hoare annotation was computed. [2021-02-21 17:37:36,473 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))) [2021-02-21 17:37:36,474 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))) [2021-02-21 17:37:36,474 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))) [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point ldv_check_final_stateEXIT(lines 6962 6983) no Hoare annotation was computed. [2021-02-21 17:37:36,474 INFO L192 CegarLoopUtils]: At program point ldv_check_final_stateENTRY(lines 6962 6983) the Hoare annotation is: true [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point L6977(lines 6962 6983) no Hoare annotation was computed. [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-02-21 17:37:36,474 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))) [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point L5752-1(line 5752) no Hoare annotation was computed. [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point L5750(line 5750) no Hoare annotation was computed. [2021-02-21 17:37:36,474 INFO L189 CegarLoopUtils]: For program point ldv_zallocEXIT(lines 5740 5756) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L5752(line 5752) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L5747(lines 5747 5754) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point ldv_zallocENTRY(lines 5740 5756) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point ldv_zallocFINAL(lines 5740 5756) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L5750-1(line 5750) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L6746(lines 6746 6750) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L6742(line 6742) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L6745(line 6745) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceEXIT(lines 6737 6753) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L6741-1(lines 6741 6744) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point L6741(lines 6741 6744) no Hoare annotation was computed. [2021-02-21 17:37:36,475 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceENTRY(lines 6737 6753) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceFINAL(lines 6737 6753) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,476 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)) [2021-02-21 17:37:36,476 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_i_mutex_of_inodeFINAL(lines 6482 6492) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_i_mutex_of_inodeEXIT(lines 6482 6492) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point L6486(line 6486) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ldv_mutex_unlock_i_mutex_of_inodeENTRY(lines 6482 6492) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point L6485-1(lines 6485 6488) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point L6485(lines 6485 6488) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_lockFINAL(lines 6531 6547) no Hoare annotation was computed. [2021-02-21 17:37:36,476 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_lockEXIT(lines 6531 6547) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6539(line 6539) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6540(lines 6540 6545) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6535-1(lines 6535 6538) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6535(lines 6535 6538) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6536(line 6536) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_interruptible_lockENTRY(lines 6531 6547) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_mutex_of_deviceENTRY(lines 6709 6719) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6712-1(lines 6712 6715) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6712(lines 6712 6715) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point L6713(line 6713) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_mutex_of_deviceFINAL(lines 6709 6719) no Hoare annotation was computed. [2021-02-21 17:37:36,477 INFO L189 CegarLoopUtils]: For program point ldv_mutex_lock_mutex_of_deviceEXIT(lines 6709 6719) no Hoare annotation was computed. [2021-02-21 17:37:36,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 05:37:36 BoogieIcfgContainer [2021-02-21 17:37:36,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 17:37:36,499 INFO L168 Benchmark]: Toolchain (without parser) took 107846.15 ms. Allocated memory was 165.7 MB in the beginning and 796.9 MB in the end (delta: 631.2 MB). Free memory was 132.4 MB in the beginning and 558.7 MB in the end (delta: -426.4 MB). Peak memory consumption was 516.8 MB. Max. memory is 8.0 GB. [2021-02-21 17:37:36,499 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 165.7 MB. Free memory is still 144.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 17:37:36,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1950.43 ms. Allocated memory is still 165.7 MB. Free memory was 131.3 MB in the beginning and 104.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 108.7 MB. Max. memory is 8.0 GB. [2021-02-21 17:37:36,500 INFO L168 Benchmark]: Boogie Preprocessor took 234.21 ms. Allocated memory was 165.7 MB in the beginning and 234.9 MB in the end (delta: 69.2 MB). Free memory was 104.3 MB in the beginning and 190.8 MB in the end (delta: -86.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-21 17:37:36,500 INFO L168 Benchmark]: RCFGBuilder took 2284.68 ms. Allocated memory is still 234.9 MB. Free memory was 190.8 MB in the beginning and 120.6 MB in the end (delta: 70.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 8.0 GB. [2021-02-21 17:37:36,500 INFO L168 Benchmark]: TraceAbstraction took 103354.46 ms. Allocated memory was 234.9 MB in the beginning and 796.9 MB in the end (delta: 562.0 MB). Free memory was 120.1 MB in the beginning and 558.7 MB in the end (delta: -438.6 MB). Peak memory consumption was 433.8 MB. Max. memory is 8.0 GB. [2021-02-21 17:37:36,501 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 165.7 MB. Free memory is still 144.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1950.43 ms. Allocated memory is still 165.7 MB. Free memory was 131.3 MB in the beginning and 104.3 MB in the end (delta: 26.9 MB). Peak memory consumption was 108.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 234.21 ms. Allocated memory was 165.7 MB in the beginning and 234.9 MB in the end (delta: 69.2 MB). Free memory was 104.3 MB in the beginning and 190.8 MB in the end (delta: -86.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2284.68 ms. Allocated memory is still 234.9 MB. Free memory was 190.8 MB in the beginning and 120.6 MB in the end (delta: 70.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 103354.46 ms. Allocated memory was 234.9 MB in the beginning and 796.9 MB in the end (delta: 562.0 MB). Free memory was 120.1 MB in the beginning and 558.7 MB in the end (delta: -438.6 MB). Peak memory consumption was 433.8 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: 65.1s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 50.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3374 SDtfs, 6286 SDslu, 6129 SDs, 0 SdLazy, 6406 SolverSat, 4043 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 820 GetRequests, 649 SyntacticMatches, 4 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 25.2s 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, 6.3s HoareSimplificationTime, 94 FomulaSimplificationsInter, 29077 FormulaSimplificationTreeSizeReductionInter, 31.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 11.7s 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...