/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/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-bitabs-178dd20 [2021-01-07 02:11:17,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 02:11:17,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 02:11:17,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 02:11:17,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 02:11:17,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 02:11:17,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 02:11:17,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 02:11:17,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 02:11:17,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 02:11:17,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 02:11:17,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 02:11:17,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 02:11:17,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 02:11:17,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 02:11:17,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 02:11:17,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 02:11:17,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 02:11:17,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 02:11:17,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 02:11:17,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 02:11:17,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 02:11:17,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 02:11:17,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 02:11:17,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 02:11:17,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 02:11:17,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 02:11:17,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 02:11:17,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 02:11:17,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 02:11:17,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 02:11:17,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 02:11:17,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 02:11:17,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 02:11:17,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 02:11:17,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 02:11:17,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 02:11:17,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 02:11:17,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 02:11:17,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 02:11:17,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 02:11:17,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-07 02:11:17,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 02:11:17,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 02:11:17,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 02:11:17,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 02:11:17,261 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 02:11:17,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 02:11:17,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 02:11:17,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 02:11:17,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-07 02:11:17,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 02:11:17,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-07 02:11:17,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-07 02:11:17,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 02:11:17,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-07 02:11:17,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 02:11:17,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 02:11:17,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 02:11:17,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 02:11:17,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 02:11:17,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 02:11:17,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-07 02:11:17,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 02:11:17,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 02:11:17,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-07 02:11:17,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 02:11:17,268 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 02:11:17,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 02:11:17,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 02:11:17,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 02:11:17,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 02:11:17,727 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 02:11:17,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-01-07 02:11:17,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6f03bc0bb/ca8b339eb2fa40679e39c78874ff2f56/FLAG75c7e1eef [2021-01-07 02:11:18,997 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 02:11:18,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-01-07 02:11:19,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6f03bc0bb/ca8b339eb2fa40679e39c78874ff2f56/FLAG75c7e1eef [2021-01-07 02:11:19,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6f03bc0bb/ca8b339eb2fa40679e39c78874ff2f56 [2021-01-07 02:11:19,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 02:11:19,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 02:11:19,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 02:11:19,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 02:11:19,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 02:11:19,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 02:11:19" (1/1) ... [2021-01-07 02:11:19,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6cdc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:19, skipping insertion in model container [2021-01-07 02:11:19,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 02:11:19" (1/1) ... [2021-01-07 02:11:19,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 02:11:19,360 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~p~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~p~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~udev~0,] left hand side expression in assignment: lhs: VariableLHS[~intf~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cdc_subset_driver_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg6~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~ldv_func_res~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~ldv_func_res~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~usb_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] [2021-01-07 02:11:20,441 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/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] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~2,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~3,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~4,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~5,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~6,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~7,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~2,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~2,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~8,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~9,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~10,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~3,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~3,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~11,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] [2021-01-07 02:11:20,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 02:11:20,740 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~p~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~p~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~udev~0,] left hand side expression in assignment: lhs: VariableLHS[~intf~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cdc_subset_driver_group1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~ldvarg6~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ref_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_retval_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_6~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_5~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~ldv_func_res~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~ldv_func_res~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~usb_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_state_variable_1~0,GLOBAL] [2021-01-07 02:11:21,003 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/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] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~ret~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~0,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~2,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_i_mutex_of_inode~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~3,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~4,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~1,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~5,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_lock~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~6,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~7,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~2,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~2,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~8,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_mutex_of_device~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~9,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~10,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~is_mutex_held_by_another_thread~3,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~atomic_value_after_dec~3,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nondetermined~11,] left hand side expression in assignment: lhs: VariableLHS[~ldv_mutex_udev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] [2021-01-07 02:11:21,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 02:11:21,186 INFO L208 MainTranslator]: Completed translation [2021-01-07 02:11:21,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21 WrapperNode [2021-01-07 02:11:21,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 02:11:21,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 02:11:21,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 02:11:21,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 02:11:21,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 02:11:21,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 02:11:21,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 02:11:21,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 02:11:21,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... [2021-01-07 02:11:21,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 02:11:21,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 02:11:21,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 02:11:21,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 02:11:21,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 02:11:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-07 02:11:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-07 02:11:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 02:11:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-07 02:11:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 02:11:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-01-07 02:11:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-07 02:11:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 02:11:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 02:11:23,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 02:11:23,380 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2021-01-07 02:11:23,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 02:11:23 BoogieIcfgContainer [2021-01-07 02:11:23,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 02:11:23,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 02:11:23,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 02:11:23,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 02:11:23,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 02:11:19" (1/3) ... [2021-01-07 02:11:23,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa1c712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 02:11:23, skipping insertion in model container [2021-01-07 02:11:23,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 02:11:21" (2/3) ... [2021-01-07 02:11:23,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa1c712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 02:11:23, skipping insertion in model container [2021-01-07 02:11:23,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 02:11:23" (3/3) ... [2021-01-07 02:11:23,391 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-01-07 02:11:23,399 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 02:11:23,405 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-07 02:11:23,425 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-07 02:11:23,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 02:11:23,455 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-07 02:11:23,455 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 02:11:23,455 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 02:11:23,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 02:11:23,456 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 02:11:23,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 02:11:23,456 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 02:11:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2021-01-07 02:11:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-07 02:11:23,496 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:23,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:23,497 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:23,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:23,505 INFO L82 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2021-01-07 02:11:23,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:23,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91545263] [2021-01-07 02:11:23,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:24,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91545263] [2021-01-07 02:11:24,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:24,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 02:11:24,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267536449] [2021-01-07 02:11:24,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-07 02:11:24,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:24,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-07 02:11:24,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 02:11:24,263 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2021-01-07 02:11:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:24,314 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2021-01-07 02:11:24,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-07 02:11:24,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2021-01-07 02:11:24,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:24,330 INFO L225 Difference]: With dead ends: 310 [2021-01-07 02:11:24,330 INFO L226 Difference]: Without dead ends: 144 [2021-01-07 02:11:24,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-07 02:11:24,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-01-07 02:11:24,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-01-07 02:11:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-01-07 02:11:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2021-01-07 02:11:24,394 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2021-01-07 02:11:24,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:24,394 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2021-01-07 02:11:24,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-07 02:11:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2021-01-07 02:11:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-07 02:11:24,397 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:24,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:24,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 02:11:24,398 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:24,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:24,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2021-01-07 02:11:24,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:24,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913555146] [2021-01-07 02:11:24,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:24,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913555146] [2021-01-07 02:11:24,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:24,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 02:11:24,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751659648] [2021-01-07 02:11:24,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:24,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:24,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:24,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:24,683 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand 3 states. [2021-01-07 02:11:24,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:24,776 INFO L93 Difference]: Finished difference Result 347 states and 479 transitions. [2021-01-07 02:11:24,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:24,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2021-01-07 02:11:24,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:24,780 INFO L225 Difference]: With dead ends: 347 [2021-01-07 02:11:24,780 INFO L226 Difference]: Without dead ends: 233 [2021-01-07 02:11:24,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-01-07 02:11:24,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 219. [2021-01-07 02:11:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2021-01-07 02:11:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 306 transitions. [2021-01-07 02:11:24,804 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 306 transitions. Word has length 39 [2021-01-07 02:11:24,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:24,805 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 306 transitions. [2021-01-07 02:11:24,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 306 transitions. [2021-01-07 02:11:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-07 02:11:24,807 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:24,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:24,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-07 02:11:24,808 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:24,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:24,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1555974485, now seen corresponding path program 1 times [2021-01-07 02:11:24,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:24,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834866418] [2021-01-07 02:11:24,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:25,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:25,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834866418] [2021-01-07 02:11:25,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:25,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 02:11:25,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411761230] [2021-01-07 02:11:25,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:25,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:25,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:25,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:25,053 INFO L87 Difference]: Start difference. First operand 219 states and 306 transitions. Second operand 3 states. [2021-01-07 02:11:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:25,216 INFO L93 Difference]: Finished difference Result 564 states and 821 transitions. [2021-01-07 02:11:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:25,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-01-07 02:11:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:25,221 INFO L225 Difference]: With dead ends: 564 [2021-01-07 02:11:25,221 INFO L226 Difference]: Without dead ends: 375 [2021-01-07 02:11:25,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:25,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-01-07 02:11:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2021-01-07 02:11:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2021-01-07 02:11:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 538 transitions. [2021-01-07 02:11:25,253 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 538 transitions. Word has length 42 [2021-01-07 02:11:25,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:25,254 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 538 transitions. [2021-01-07 02:11:25,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 538 transitions. [2021-01-07 02:11:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-07 02:11:25,256 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:25,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:25,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-07 02:11:25,257 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:25,258 INFO L82 PathProgramCache]: Analyzing trace with hash 819401089, now seen corresponding path program 1 times [2021-01-07 02:11:25,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:25,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396540781] [2021-01-07 02:11:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:25,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396540781] [2021-01-07 02:11:25,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:25,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 02:11:25,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678435403] [2021-01-07 02:11:25,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:25,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:25,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:25,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:25,668 INFO L87 Difference]: Start difference. First operand 371 states and 538 transitions. Second operand 3 states. [2021-01-07 02:11:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:25,684 INFO L93 Difference]: Finished difference Result 371 states and 538 transitions. [2021-01-07 02:11:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:25,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-07 02:11:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:25,687 INFO L225 Difference]: With dead ends: 371 [2021-01-07 02:11:25,687 INFO L226 Difference]: Without dead ends: 369 [2021-01-07 02:11:25,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-01-07 02:11:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-01-07 02:11:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2021-01-07 02:11:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 536 transitions. [2021-01-07 02:11:25,732 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 536 transitions. Word has length 51 [2021-01-07 02:11:25,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:25,734 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 536 transitions. [2021-01-07 02:11:25,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 536 transitions. [2021-01-07 02:11:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-07 02:11:25,740 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:25,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:25,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-07 02:11:25,741 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:25,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:25,741 INFO L82 PathProgramCache]: Analyzing trace with hash -368363485, now seen corresponding path program 1 times [2021-01-07 02:11:25,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:25,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196117039] [2021-01-07 02:11:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:25,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196117039] [2021-01-07 02:11:25,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:25,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 02:11:25,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525362612] [2021-01-07 02:11:25,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:25,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:25,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:25,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:25,970 INFO L87 Difference]: Start difference. First operand 369 states and 536 transitions. Second operand 3 states. [2021-01-07 02:11:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:25,983 INFO L93 Difference]: Finished difference Result 369 states and 536 transitions. [2021-01-07 02:11:25,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:25,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-07 02:11:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:25,987 INFO L225 Difference]: With dead ends: 369 [2021-01-07 02:11:25,988 INFO L226 Difference]: Without dead ends: 367 [2021-01-07 02:11:25,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:25,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-01-07 02:11:26,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-01-07 02:11:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2021-01-07 02:11:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 534 transitions. [2021-01-07 02:11:26,006 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 534 transitions. Word has length 52 [2021-01-07 02:11:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:26,008 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 534 transitions. [2021-01-07 02:11:26,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 534 transitions. [2021-01-07 02:11:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-07 02:11:26,017 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:26,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:26,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-07 02:11:26,018 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:26,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1465640395, now seen corresponding path program 1 times [2021-01-07 02:11:26,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:26,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037528729] [2021-01-07 02:11:26,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:26,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037528729] [2021-01-07 02:11:26,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:26,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 02:11:26,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245459945] [2021-01-07 02:11:26,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:26,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:26,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:26,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:26,271 INFO L87 Difference]: Start difference. First operand 367 states and 534 transitions. Second operand 3 states. [2021-01-07 02:11:26,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:26,285 INFO L93 Difference]: Finished difference Result 367 states and 534 transitions. [2021-01-07 02:11:26,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:26,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-07 02:11:26,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:26,288 INFO L225 Difference]: With dead ends: 367 [2021-01-07 02:11:26,289 INFO L226 Difference]: Without dead ends: 365 [2021-01-07 02:11:26,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-01-07 02:11:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2021-01-07 02:11:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2021-01-07 02:11:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 532 transitions. [2021-01-07 02:11:26,306 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 532 transitions. Word has length 53 [2021-01-07 02:11:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:26,306 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 532 transitions. [2021-01-07 02:11:26,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 532 transitions. [2021-01-07 02:11:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-07 02:11:26,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:26,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:26,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-07 02:11:26,314 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:26,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:26,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1809781459, now seen corresponding path program 1 times [2021-01-07 02:11:26,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:26,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036897699] [2021-01-07 02:11:26,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-07 02:11:26,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036897699] [2021-01-07 02:11:26,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:26,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-07 02:11:26,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431193309] [2021-01-07 02:11:26,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:26,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:26,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:26,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:26,588 INFO L87 Difference]: Start difference. First operand 365 states and 532 transitions. Second operand 3 states. [2021-01-07 02:11:26,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:26,627 INFO L93 Difference]: Finished difference Result 1025 states and 1526 transitions. [2021-01-07 02:11:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:26,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-07 02:11:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:26,632 INFO L225 Difference]: With dead ends: 1025 [2021-01-07 02:11:26,632 INFO L226 Difference]: Without dead ends: 684 [2021-01-07 02:11:26,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:26,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2021-01-07 02:11:26,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 679. [2021-01-07 02:11:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2021-01-07 02:11:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1006 transitions. [2021-01-07 02:11:26,665 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1006 transitions. Word has length 54 [2021-01-07 02:11:26,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:26,666 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1006 transitions. [2021-01-07 02:11:26,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:26,666 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1006 transitions. [2021-01-07 02:11:26,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-07 02:11:26,668 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:26,668 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:26,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-07 02:11:26,668 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:26,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:26,670 INFO L82 PathProgramCache]: Analyzing trace with hash -454066381, now seen corresponding path program 1 times [2021-01-07 02:11:26,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:26,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856423185] [2021-01-07 02:11:26,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 02:11:26,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856423185] [2021-01-07 02:11:26,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:26,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-07 02:11:26,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435061469] [2021-01-07 02:11:26,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-07 02:11:26,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:26,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-07 02:11:26,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:26,874 INFO L87 Difference]: Start difference. First operand 679 states and 1006 transitions. Second operand 3 states. [2021-01-07 02:11:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:27,018 INFO L93 Difference]: Finished difference Result 1328 states and 1981 transitions. [2021-01-07 02:11:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-07 02:11:27,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-07 02:11:27,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:27,023 INFO L225 Difference]: With dead ends: 1328 [2021-01-07 02:11:27,023 INFO L226 Difference]: Without dead ends: 679 [2021-01-07 02:11:27,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-07 02:11:27,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2021-01-07 02:11:27,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 678. [2021-01-07 02:11:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2021-01-07 02:11:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1001 transitions. [2021-01-07 02:11:27,056 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1001 transitions. Word has length 66 [2021-01-07 02:11:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:27,056 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 1001 transitions. [2021-01-07 02:11:27,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-07 02:11:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1001 transitions. [2021-01-07 02:11:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-07 02:11:27,058 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:27,058 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-07 02:11:27,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-07 02:11:27,059 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:27,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:27,059 INFO L82 PathProgramCache]: Analyzing trace with hash -134151878, now seen corresponding path program 1 times [2021-01-07 02:11:27,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:27,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677837541] [2021-01-07 02:11:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 02:11:27,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677837541] [2021-01-07 02:11:27,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:27,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-07 02:11:27,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907145867] [2021-01-07 02:11:27,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-07 02:11:27,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:27,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-07 02:11:27,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-07 02:11:27,274 INFO L87 Difference]: Start difference. First operand 678 states and 1001 transitions. Second operand 7 states. [2021-01-07 02:11:27,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:27,483 INFO L93 Difference]: Finished difference Result 2538 states and 3823 transitions. [2021-01-07 02:11:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-07 02:11:27,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2021-01-07 02:11:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:27,494 INFO L225 Difference]: With dead ends: 2538 [2021-01-07 02:11:27,494 INFO L226 Difference]: Without dead ends: 1890 [2021-01-07 02:11:27,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-01-07 02:11:27,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2021-01-07 02:11:27,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 679. [2021-01-07 02:11:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2021-01-07 02:11:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1001 transitions. [2021-01-07 02:11:27,545 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1001 transitions. Word has length 67 [2021-01-07 02:11:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:27,546 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1001 transitions. [2021-01-07 02:11:27,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-07 02:11:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1001 transitions. [2021-01-07 02:11:27,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-07 02:11:27,547 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 02:11:27,547 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2021-01-07 02:11:27,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-07 02:11:27,548 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-07 02:11:27,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 02:11:27,548 INFO L82 PathProgramCache]: Analyzing trace with hash -466045329, now seen corresponding path program 1 times [2021-01-07 02:11:27,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 02:11:27,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714236709] [2021-01-07 02:11:27,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 02:11:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-07 02:11:27,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-07 02:11:27,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714236709] [2021-01-07 02:11:27,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-07 02:11:27,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-07 02:11:27,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099733041] [2021-01-07 02:11:27,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-07 02:11:27,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-07 02:11:27,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-07 02:11:27,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-07 02:11:27,754 INFO L87 Difference]: Start difference. First operand 679 states and 1001 transitions. Second operand 5 states. [2021-01-07 02:11:27,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-07 02:11:27,831 INFO L93 Difference]: Finished difference Result 970 states and 1448 transitions. [2021-01-07 02:11:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-07 02:11:27,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-01-07 02:11:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-07 02:11:27,833 INFO L225 Difference]: With dead ends: 970 [2021-01-07 02:11:27,833 INFO L226 Difference]: Without dead ends: 0 [2021-01-07 02:11:27,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-07 02:11:27,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-07 02:11:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-07 02:11:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-07 02:11:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-07 02:11:27,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2021-01-07 02:11:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-07 02:11:27,836 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-07 02:11:27,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-07 02:11:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-07 02:11:27,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-07 02:11:27,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-07 02:11:27,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-07 02:11:28,572 INFO L189 CegarLoopUtils]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-01-07 02:11:28,573 INFO L189 CegarLoopUtils]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-01-07 02:11:28,573 INFO L189 CegarLoopUtils]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-01-07 02:11:28,573 INFO L189 CegarLoopUtils]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-01-07 02:11:28,573 INFO L185 CegarLoopUtils]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,574 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-01-07 02:11:28,574 INFO L189 CegarLoopUtils]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-01-07 02:11:28,575 INFO L189 CegarLoopUtils]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-01-07 02:11:28,575 INFO L189 CegarLoopUtils]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-01-07 02:11:28,576 INFO L185 CegarLoopUtils]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,576 INFO L189 CegarLoopUtils]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-01-07 02:11:28,576 INFO L189 CegarLoopUtils]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-01-07 02:11:28,576 INFO L189 CegarLoopUtils]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,576 INFO L189 CegarLoopUtils]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,577 INFO L189 CegarLoopUtils]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,577 INFO L189 CegarLoopUtils]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,577 INFO L189 CegarLoopUtils]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,577 INFO L189 CegarLoopUtils]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,577 INFO L189 CegarLoopUtils]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2021-01-07 02:11:28,577 INFO L189 CegarLoopUtils]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-01-07 02:11:28,578 INFO L185 CegarLoopUtils]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,578 INFO L189 CegarLoopUtils]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,578 INFO L189 CegarLoopUtils]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,579 INFO L189 CegarLoopUtils]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,579 INFO L189 CegarLoopUtils]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,579 INFO L189 CegarLoopUtils]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,579 INFO L189 CegarLoopUtils]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,579 INFO L189 CegarLoopUtils]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2021-01-07 02:11:28,580 INFO L189 CegarLoopUtils]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-01-07 02:11:28,580 INFO L185 CegarLoopUtils]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,580 INFO L192 CegarLoopUtils]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2021-01-07 02:11:28,580 INFO L189 CegarLoopUtils]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-01-07 02:11:28,580 INFO L185 CegarLoopUtils]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,580 INFO L185 CegarLoopUtils]: At program point L6153(lines 6965 6968) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,581 INFO L189 CegarLoopUtils]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-01-07 02:11:28,581 INFO L189 CegarLoopUtils]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-01-07 02:11:28,581 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-01-07 02:11:28,581 INFO L189 CegarLoopUtils]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-01-07 02:11:28,581 INFO L189 CegarLoopUtils]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-01-07 02:11:28,581 INFO L185 CegarLoopUtils]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ULTIMATE.start_m5632_recover_~r~0 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,581 INFO L189 CegarLoopUtils]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-01-07 02:11:28,582 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-01-07 02:11:28,582 INFO L189 CegarLoopUtils]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-01-07 02:11:28,582 INFO L189 CegarLoopUtils]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-01-07 02:11:28,582 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-01-07 02:11:28,582 INFO L185 CegarLoopUtils]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,582 INFO L185 CegarLoopUtils]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,583 INFO L185 CegarLoopUtils]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,583 INFO L189 CegarLoopUtils]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-01-07 02:11:28,583 INFO L189 CegarLoopUtils]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-01-07 02:11:28,583 INFO L185 CegarLoopUtils]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 (= 2 ~ldv_mutex_udev~0) .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) .cse2) (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) .cse0 (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) .cse1 .cse2))) [2021-01-07 02:11:28,583 INFO L192 CegarLoopUtils]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,583 INFO L192 CegarLoopUtils]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,583 INFO L192 CegarLoopUtils]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,584 INFO L192 CegarLoopUtils]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,584 INFO L192 CegarLoopUtils]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,584 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-01-07 02:11:28,584 INFO L192 CegarLoopUtils]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,585 INFO L192 CegarLoopUtils]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,585 INFO L192 CegarLoopUtils]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,585 INFO L192 CegarLoopUtils]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2021-01-07 02:11:28,585 INFO L189 CegarLoopUtils]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-01-07 02:11:28,589 INFO L189 CegarLoopUtils]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-01-07 02:11:28,589 INFO L189 CegarLoopUtils]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-01-07 02:11:28,589 INFO L185 CegarLoopUtils]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ULTIMATE.start_m5632_recover_~r~0 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,590 INFO L189 CegarLoopUtils]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-01-07 02:11:28,590 INFO L189 CegarLoopUtils]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-01-07 02:11:28,590 INFO L189 CegarLoopUtils]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-01-07 02:11:28,590 INFO L185 CegarLoopUtils]: At program point L6326(lines 1 7033) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,590 INFO L192 CegarLoopUtils]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2021-01-07 02:11:28,590 INFO L189 CegarLoopUtils]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-01-07 02:11:28,590 INFO L189 CegarLoopUtils]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-01-07 02:11:28,591 INFO L185 CegarLoopUtils]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,591 INFO L185 CegarLoopUtils]: At program point L5765-2(lines 5757 5767) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,591 INFO L185 CegarLoopUtils]: At program point L5765-3(lines 5757 5767) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,591 INFO L185 CegarLoopUtils]: At program point L5765(lines 5757 5767) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,591 INFO L185 CegarLoopUtils]: At program point L5765-1(lines 5757 5767) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,592 INFO L185 CegarLoopUtils]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,592 INFO L185 CegarLoopUtils]: At program point L5765-4(lines 5757 5767) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,592 INFO L185 CegarLoopUtils]: At program point L5765-5(lines 5757 5767) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,592 INFO L189 CegarLoopUtils]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-01-07 02:11:28,592 INFO L185 CegarLoopUtils]: At program point L6922(lines 1 7033) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,592 INFO L185 CegarLoopUtils]: At program point L6988(lines 6987 6989) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,592 INFO L189 CegarLoopUtils]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-01-07 02:11:28,593 INFO L189 CegarLoopUtils]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-01-07 02:11:28,593 INFO L189 CegarLoopUtils]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-01-07 02:11:28,594 INFO L189 CegarLoopUtils]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-01-07 02:11:28,595 INFO L189 CegarLoopUtils]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-01-07 02:11:28,595 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,595 INFO L185 CegarLoopUtils]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 (= 2 ~ldv_mutex_udev~0) .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) .cse2) (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) .cse0 (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) .cse1 .cse2))) [2021-01-07 02:11:28,595 INFO L189 CegarLoopUtils]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-01-07 02:11:28,595 INFO L189 CegarLoopUtils]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-01-07 02:11:28,595 INFO L189 CegarLoopUtils]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-01-07 02:11:28,596 INFO L189 CegarLoopUtils]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-01-07 02:11:28,596 INFO L189 CegarLoopUtils]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-01-07 02:11:28,596 INFO L185 CegarLoopUtils]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,596 INFO L189 CegarLoopUtils]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-01-07 02:11:28,596 INFO L189 CegarLoopUtils]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-01-07 02:11:28,596 INFO L189 CegarLoopUtils]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-01-07 02:11:28,596 INFO L185 CegarLoopUtils]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6332(line 6332) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-01-07 02:11:28,597 INFO L189 CegarLoopUtils]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-01-07 02:11:28,598 INFO L185 CegarLoopUtils]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,598 INFO L189 CegarLoopUtils]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-01-07 02:11:28,598 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,598 INFO L189 CegarLoopUtils]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-01-07 02:11:28,598 INFO L189 CegarLoopUtils]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-01-07 02:11:28,598 INFO L189 CegarLoopUtils]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-01-07 02:11:28,598 INFO L185 CegarLoopUtils]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,598 INFO L185 CegarLoopUtils]: At program point L5773(lines 5768 5775) 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_mutex_lock~0 1)) [2021-01-07 02:11:28,599 INFO L189 CegarLoopUtils]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-01-07 02:11:28,599 INFO L189 CegarLoopUtils]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-01-07 02:11:28,599 INFO L189 CegarLoopUtils]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-01-07 02:11:28,599 INFO L185 CegarLoopUtils]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,599 INFO L185 CegarLoopUtils]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,599 INFO L185 CegarLoopUtils]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,600 INFO L185 CegarLoopUtils]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-01-07 02:11:28,600 INFO L189 CegarLoopUtils]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L185 CegarLoopUtils]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,601 INFO L189 CegarLoopUtils]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point L-1-6(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L185 CegarLoopUtils]: At program point L-1-8(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_mutex_lock~0 1)) [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-01-07 02:11:28,602 INFO L189 CegarLoopUtils]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-01-07 02:11:28,603 INFO L189 CegarLoopUtils]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-01-07 02:11:28,603 INFO L185 CegarLoopUtils]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,603 INFO L185 CegarLoopUtils]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-01-07 02:11:28,603 INFO L189 CegarLoopUtils]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-01-07 02:11:28,603 INFO L189 CegarLoopUtils]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-01-07 02:11:28,603 INFO L189 CegarLoopUtils]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-01-07 02:11:28,603 INFO L189 CegarLoopUtils]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-01-07 02:11:28,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.01 02:11:28 BoogieIcfgContainer [2021-01-07 02:11:28,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-07 02:11:28,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-07 02:11:28,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-07 02:11:28,662 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-07 02:11:28,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 02:11:23" (3/4) ... [2021-01-07 02:11:28,666 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-07 02:11:28,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-01-07 02:11:28,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-01-07 02:11:28,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-01-07 02:11:28,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-07 02:11:28,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-07 02:11:28,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && ldv_mutex_lock == 1) || ((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) [2021-01-07 02:11:28,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && \result == 0) && ldv_mutex_lock == 1) || (((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) [2021-01-07 02:11:28,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 [2021-01-07 02:11:28,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 [2021-01-07 02:11:28,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 [2021-01-07 02:11:29,346 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i-witness.graphml [2021-01-07 02:11:29,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-07 02:11:29,350 INFO L168 Benchmark]: Toolchain (without parser) took 10118.56 ms. Allocated memory was 162.5 MB in the beginning and 441.5 MB in the end (delta: 278.9 MB). Free memory was 128.7 MB in the beginning and 241.1 MB in the end (delta: -112.4 MB). Peak memory consumption was 202.5 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,350 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 162.5 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 02:11:29,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2005.09 ms. Allocated memory was 162.5 MB in the beginning and 210.8 MB in the end (delta: 48.2 MB). Free memory was 128.5 MB in the beginning and 179.4 MB in the end (delta: -50.9 MB). Peak memory consumption was 89.6 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.85 ms. Allocated memory is still 210.8 MB. Free memory was 179.4 MB in the beginning and 170.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,352 INFO L168 Benchmark]: Boogie Preprocessor took 152.28 ms. Allocated memory is still 210.8 MB. Free memory was 170.5 MB in the beginning and 161.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,352 INFO L168 Benchmark]: RCFGBuilder took 1808.55 ms. Allocated memory is still 210.8 MB. Free memory was 160.5 MB in the beginning and 133.4 MB in the end (delta: 27.1 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,353 INFO L168 Benchmark]: TraceAbstraction took 5277.00 ms. Allocated memory was 210.8 MB in the beginning and 323.0 MB in the end (delta: 112.2 MB). Free memory was 132.9 MB in the beginning and 94.8 MB in the end (delta: 38.1 MB). Peak memory consumption was 151.4 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,353 INFO L168 Benchmark]: Witness Printer took 685.09 ms. Allocated memory was 323.0 MB in the beginning and 441.5 MB in the end (delta: 118.5 MB). Free memory was 94.8 MB in the beginning and 241.1 MB in the end (delta: -146.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-01-07 02:11:29,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 162.5 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2005.09 ms. Allocated memory was 162.5 MB in the beginning and 210.8 MB in the end (delta: 48.2 MB). Free memory was 128.5 MB in the beginning and 179.4 MB in the end (delta: -50.9 MB). Peak memory consumption was 89.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 178.85 ms. Allocated memory is still 210.8 MB. Free memory was 179.4 MB in the beginning and 170.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.28 ms. Allocated memory is still 210.8 MB. Free memory was 170.5 MB in the beginning and 161.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1808.55 ms. Allocated memory is still 210.8 MB. Free memory was 160.5 MB in the beginning and 133.4 MB in the end (delta: 27.1 MB). Peak memory consumption was 79.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5277.00 ms. Allocated memory was 210.8 MB in the beginning and 323.0 MB in the end (delta: 112.2 MB). Free memory was 132.9 MB in the beginning and 94.8 MB in the end (delta: 38.1 MB). Peak memory consumption was 151.4 MB. Max. memory is 8.0 GB. * Witness Printer took 685.09 ms. Allocated memory was 323.0 MB in the beginning and 441.5 MB in the end (delta: 118.5 MB). Free memory was 94.8 MB in the beginning and 241.1 MB in the end (delta: -146.3 MB). Peak memory consumption was 6.3 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 - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 6 specifications checked. All of them hold - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6965]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 7004]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7019]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5768]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6336]: Loop Invariant Derived loop invariant: ((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6307]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && \result == 0) && ldv_mutex_lock == 1) || (((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7012]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 7027]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6940]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && ldv_mutex_lock == 1) || ((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2417 SDtfs, 2528 SDslu, 2902 SDs, 0 SdLazy, 88 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1235 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 203 NumberOfFragments, 634 HoareAnnotationTreeSize, 48 FomulaSimplifications, 10313 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 535 NumberOfCodeBlocks, 535 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 525 ConstructedInterpolants, 0 QuantifiedInterpolants, 53161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 16/16 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...